CN108590470B - Sound-insulation composite door - Google Patents

Sound-insulation composite door Download PDF

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Publication number
CN108590470B
CN108590470B CN201810351810.XA CN201810351810A CN108590470B CN 108590470 B CN108590470 B CN 108590470B CN 201810351810 A CN201810351810 A CN 201810351810A CN 108590470 B CN108590470 B CN 108590470B
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parts
plate
sound insulation
door
composite fiber
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CN108590470A (en
Inventor
吴东君
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Zhejiang Yimeida Door Industry Co ltd
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Zhejiang Yimeida Door Industry Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/047—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/10—Lime cements or magnesium oxide cements
    • C04B28/105—Magnesium oxide or magnesium carbonate cements
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • 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
    • B32B2419/00—Buildings or parts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017—Aspects relating to the protection of the environment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52—Sound-insulating materials
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B2003/7049—Specific panel characteristics
    • E06B2003/7051—Specific panel characteristics of layered construction involving different materials

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The invention discloses a sound insulation composite door, which comprises a door plate and a door frame, wherein the door plate comprises an inner sound insulation plate, an outer sound insulation plate arranged below the inner sound insulation plate, and a frame which is connected with the inner sound insulation plate and the outer sound insulation plate through tenon-and-mortise and used for fixing the door plate, the lower surface of the inner sound insulation plate is provided with a first composite fiber plate which is attached to the inner sound insulation plate and used for increasing the strength of the door plate, the upper surface of the outer sound insulation plate is provided with a second composite fiber plate which is attached to the outer sound insulation plate and used for increasing the strength of the door plate, and a sound absorption sponge layer is arranged between the first composite fiber plate and the second composite fiber plate; the sound insulation composite door has the advantages of high hardness, good sound absorption and noise reduction effects, durability, safety and environmental protection, and is suitable for various occasions.

Description

Sound-insulation composite door
Technical Field
The invention relates to a sound insulation composite door.
Background
With the rapid development of industrialization and urbanization, the pollution level of urban noise is increased inevitably, and the urban noise becomes a great harm to human beings. The noise can cause various diseases, the noise can cause other personal injuries besides the damage of hearing, the noise can also cause restlessness, tension, accelerated heartbeat and increased blood pressure, the noise can also reduce the secretion of saliva and gastric juice of a person and reduce gastric acid, so that the person is susceptible to gastric ulcer and duodenal ulcer. Work in noisy environments for long periods of time can also cause disorders to nerve function. Human experiments under laboratory conditions have shown that human brain waves can change under the influence of noise. For example, when the noise is 80-85 db, the patient tends to be excited and feels tired, and the headache is mostly in the temporofrontal area; when 95-120 decibels are available, the operation individuals often suffer from blunt headache, easy excitation, sleep disorder, dizziness and hypomnesis; noise levels as high as 140-150 decibels cause not only ear disease, but also fear and increased general nervous system tone. Therefore, how to reduce or isolate the noise is an urgent problem to be solved.
The composite door has the general structure that the composite door comprises an inner frame, a door core and a veneer, various performances and grades are determined according to the materials and methods of all parts, the composite door is made of two or more main materials, the composite door does not need to be painted, the cost is saved, oil workers are saved, the key point is that no paint is polluted, the composite door is not easy to deform, the door surface has various patterns, lines are smooth, the color is bright, natural textures are clear, the texture is firm, and the composite door has beautiful visual stereoscopic impression; therefore, composite doors are becoming more and more choices, and the existing composite doors have common sound insulation and noise reduction effects although low cost and elegant appearance.
Disclosure of Invention
In view of the above, the present invention aims to provide a sound insulation composite door which has the advantages of high hardness, good sound absorption and noise reduction effects, durability, safety, environmental protection, and suitability for various occasions.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a compound door gives sound insulation, includes door plant and door frame, the door plant is including interior acoustic celotex board, and the outer acoustic celotex board of acoustic celotex board below including setting up, and with interior acoustic celotex board and outer acoustic celotex board through tenon fourth of the twelve earthly branches connection, be used for the frame of fixed door plant, the lower surface of interior acoustic celotex board is provided with the first composite fiber board that laminates mutually with interior acoustic celotex board, is used for increasing door plant intensity, the upper surface of outer acoustic celotex board is provided with the second composite fiber board that laminates mutually with outer acoustic celotex board, be provided with between first composite fiber board and the second composite fiber board and inhale the sound.
Preferably, the inner sound insulation board and the outer sound insulation board are both prepared from the following raw materials in parts by weight: 50-55 parts of wood sawdust, 7-9 parts of shell powder, 10-20 parts of barite powder, 8-10 parts of asbestos, 15-18 parts of chitin, 16-18 parts of polypropylene fiber, 7-9 parts of calcium carbonate, 3-5 parts of sodium benzenesulfonate, 4-6 parts of magnesium oxide, 8-9 parts of epoxidized soybean oil, 3-5 parts of zinc stearate, 4-6 parts of guar gum, 1-3 parts of sodium alginate, 6-8 parts of chlorinated paraffin and 7-9 parts of zirconium dioxide.
Preferably, the door plate and the door frame are connected through a door hinge.
Preferably, the first composite fiber board is fixedly bonded to the inner sound insulation board, and the second composite fiber board is fixedly bonded to the outer sound insulation board.
Preferably, the sound absorption sponge layer is a wave crest sound absorption sponge.
Preferably, the first composite fiber board, the second composite fiber board and the frame are fixedly connected through bolts.
Preferably, the door panel is provided with a handle for pushing and pulling the door panel.
Preferably, the door panel is further provided with a cat eye for observing an external environment, and the cat eye penetrates through the inner sound insulation plate and the outer sound insulation plate.
Preferably, the first composite fiber board and the second composite fiber board are high-strength composite fiber boards.
Another technical problem to be solved by the present invention is to provide a method for preparing a sound insulation board, comprising the following steps:
1) 50-55 parts of wood sawdust, 7-9 parts of shell powder, 10-20 parts of barite powder and 8-10 parts of asbestos are taken, impurities are removed, the materials are put into a ball mill, and ball milling is carried out for 15-20min at the speed of 240-280r/min, so as to obtain ball milling particles for later use;
2) putting the ball-milled particles obtained in the step 1), 7-9 parts of calcium carbonate, 3-5 parts of sodium benzenesulfonate, 4-6 parts of magnesium oxide, 3-5 parts of zinc stearate and 7-9 parts of zirconium dioxide into a stirrer, and stirring at the speed of 80-100r/min for 8-10min to obtain mixed particles for later use;
3) placing 15-18 parts of chitin and 16-18 parts of polypropylene fiber into a reaction kettle, heating for 10-15min at 60-80 ℃, then adding 4-6 parts of guar gum, 1-3 parts of sodium alginate, the mixed particles obtained in the step 2) and a proper amount of water, and continuously heating for 20-30min at 80-100 ℃ to obtain a heated material for later use;
4) when the heated material obtained in the step 3) is cooled to 50-60 ℃, adding 8-9 parts of epoxidized soybean oil and 6-8 parts of chlorinated paraffin, and stirring at the speed of 60-80r/min for 10-15min to uniformly stir all the materials to obtain a mixture for later use;
5) placing the mixture obtained in the step 4) in a hot press for paving, setting the pressure value of the hot press to be 30-40MPa, the temperature to be 120-130 ℃, and the hot pressing time to be 8-10min, and preparing a molded plate for later use;
6) feeding the plate subjected to hot press molding in the step 5) into an air dryer, air-drying for 30-40min at 40-50 ℃ to obtain an air-dried plate, and taking out for later use;
7) trimming and polishing the plate obtained in the step 6) to obtain the sound insulation plate.
The technical effects of the invention are mainly reflected in the following aspects: the door plate consists of an inner sound insulation board, an outer sound insulation board arranged below the inner sound insulation board, a frame which is connected with the inner sound insulation board and the outer sound insulation board through mortise and tenon joints and is used for fixing the door plate, a first composite fiber board which is arranged on the lower surface of the inner sound insulation board and is attached to the inner sound insulation board and is used for increasing the strength of the door plate, a second composite fiber board which is arranged on the upper surface of the outer sound insulation board and is attached to the outer sound insulation board and is used for increasing the strength of the door plate, and a sound-absorbing sponge layer which is arranged between the first composite fiber board and the second composite fiber board, has high hardness and good sound-absorbing and noise-reducing effects, and simultaneously, the inner sound insulation board and the outer sound insulation board are prepared by the specific preparation method of the invention, not only is safe and environment-friendly, but also has good sound absorption and noise insulation performance.
Drawings
FIG. 1 is a front view of a soundproof composite door according to the present invention;
fig. 2 is a sectional view of a door panel of a soundproof composite door according to the present invention.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying fig. 1-2, is provided to facilitate the understanding and appreciation of the present invention.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
Example 1
A sound insulation composite door is shown in figures 1-2 and comprises a door plate 1 and a door frame 2, wherein the door plate 1 is connected with the door frame 2 through a door hinge 3. The door plate 1 comprises an inner sound insulation plate 11, an outer sound insulation plate 12 arranged below the inner sound insulation plate 11, a frame 13 which is connected with the inner sound insulation plate 11 and the outer sound insulation plate 12 in a mortise-tenon manner and used for fixing the door plate, a first composite fiber plate 111 which is attached to the inner sound insulation plate 11 and used for increasing the strength of the door plate 1 is arranged on the lower surface of the inner sound insulation plate 11, a second composite fiber plate 121 which is attached to the outer sound insulation plate 12 and used for increasing the strength of the door plate 1 is arranged on the upper surface of the outer sound insulation plate 12, the first composite fiber plate 111 is fixed to the inner sound insulation plate 11 in a sticking manner, the second composite fiber plate 121 is fixed to the outer sound insulation plate 12 in a sticking manner, and the first composite fiber plate 111 and the second composite fiber plate 121 are high-strength composite fiber plates. A sound absorption sponge layer 14 is arranged between the first composite fiber board 111 and the second composite fiber board 121, and the sound absorption sponge layer 14 is a wave crest sound absorption sponge. The first composite fiber plate 111, the second composite fiber plate 121 and the frame 13 are all fixedly connected through bolts. The door panel 1 is provided with a handle 15 for pushing and pulling the door panel 1. The door panel 1 is further provided with a cat eye 16 for observing the external environment, and the cat eye 16 penetrates through the inner sound insulation board 11 and the outer sound insulation board 12.
The inner sound insulation board 11 and the outer sound insulation board 12 are both prepared from the following raw materials in parts by weight: 55 parts of wood sawdust, 9 parts of shell powder, 20 parts of barite powder, 10 parts of asbestos, 18 parts of chitin, 18 parts of polypropylene fiber, 9 parts of calcium carbonate, 5 parts of sodium benzenesulfonate, 6 parts of magnesium oxide, 9 parts of epoxidized soybean oil, 5 parts of zinc stearate, 6 parts of guar gum, 3 parts of sodium alginate, 8 parts of chlorinated paraffin and 9 parts of zirconium dioxide.
A method for preparing an acoustic panel, comprising the steps of:
1) removing impurities from 55 parts of wood sawdust, 9 parts of shell powder, 20 parts of barite powder and 10 parts of asbestos, putting the wood sawdust, the shell powder, the barite powder and the asbestos into a ball mill, and ball-milling for 20min at the speed of 280r/min to obtain ball-milled particles for later use;
2) putting the ball-milled particles obtained in the step 1), 9 parts of calcium carbonate, 5 parts of sodium benzenesulfonate, 6 parts of magnesium oxide, 5 parts of zinc stearate and 9 parts of zirconium dioxide into a stirrer, and stirring at the speed of 100r/min for 10min to obtain mixed particles for later use;
3) putting 18 parts of chitin and 18 parts of polypropylene fiber into a reaction kettle, heating for 15min at 80 ℃, then adding 6 parts of guar gum, 3 parts of sodium alginate, 30 parts of mixed particles obtained in the step 2) and 30 parts of water, and continuously heating for 30min at 100 ℃ to obtain a heated material for later use;
4) when the heated material obtained in the step 3) is cooled to 60 ℃, adding 9 parts of epoxidized soybean oil and 8 parts of chlorinated paraffin, and stirring at the speed of 80r/min for 15min to uniformly stir the materials to obtain a mixture for later use;
5) placing the mixture obtained in the step 4) in a hot press for paving, setting the pressure value of the hot press to be 40MPa, the temperature to be 130 ℃ and the hot pressing time to be 10min, and preparing a formed plate for later use;
6) feeding the plate subjected to hot press molding in the step 5) into an air dryer, air-drying for 40min at the temperature of 50 ℃ to obtain an air-dried plate, and taking out the air-dried plate for later use;
7) trimming and polishing the plate obtained in the step 6) to obtain the sound insulation plate.
Example 2
A sound insulation composite door is shown in figures 1-2 and comprises a door plate 1 and a door frame 2, wherein the door plate 1 is connected with the door frame 2 through a door hinge 3. The door plate 1 comprises an inner sound insulation plate 11, an outer sound insulation plate 12 arranged below the inner sound insulation plate 11, a frame 13 which is connected with the inner sound insulation plate 11 and the outer sound insulation plate 12 in a mortise-tenon manner and used for fixing the door plate, a first composite fiber plate 111 which is attached to the inner sound insulation plate 11 and used for increasing the strength of the door plate 1 is arranged on the lower surface of the inner sound insulation plate 11, a second composite fiber plate 121 which is attached to the outer sound insulation plate 12 and used for increasing the strength of the door plate 1 is arranged on the upper surface of the outer sound insulation plate 12, the first composite fiber plate 111 is fixed to the inner sound insulation plate 11 in a sticking manner, the second composite fiber plate 121 is fixed to the outer sound insulation plate 12 in a sticking manner, and the first composite fiber plate 111 and the second composite fiber plate 121 are high-strength composite fiber plates. A sound absorption sponge layer 14 is arranged between the first composite fiber board 111 and the second composite fiber board 121, and the sound absorption sponge layer 14 is a wave crest sound absorption sponge. The first composite fiber plate 111, the second composite fiber plate 121 and the frame 13 are all fixedly connected through bolts. The door panel 1 is provided with a handle 15 for pushing and pulling the door panel 1. The door panel 1 is further provided with a cat eye 16 for observing the external environment, and the cat eye 16 penetrates through the inner sound insulation board 11 and the outer sound insulation board 12.
The inner sound insulation board 11 and the outer sound insulation board 12 are both prepared from the following raw materials in parts by weight: 50 parts of wood sawdust, 7 parts of shell powder, 10 parts of barite powder, 8 parts of asbestos, 15 parts of chitin, 16 parts of polypropylene fiber, 7 parts of calcium carbonate, 3 parts of sodium benzenesulfonate, 4 parts of magnesium oxide, 8 parts of epoxidized soybean oil, 3 parts of zinc stearate, 4 parts of guar gum, 1 part of sodium alginate, 6 parts of chlorinated paraffin and 7 parts of zirconium dioxide.
A method for preparing an acoustic panel, comprising the steps of:
1) taking 50 parts of wood sawdust, 7 parts of shell powder, 10 parts of barite powder and 8 parts of asbestos, removing impurities, putting into a ball mill, and ball-milling for 15min at the speed of 240r/min to obtain ball-milled particles for later use;
2) putting the ball-milled particles obtained in the step 1), 7 parts of calcium carbonate, 3 parts of sodium benzenesulfonate, 4 parts of magnesium oxide, 3 parts of zinc stearate and 7 parts of zirconium dioxide into a stirrer, and stirring at the speed of 80r/min for 8min to obtain mixed particles for later use;
3) putting 15 parts of chitin and 16 parts of polypropylene fiber into a reaction kettle, heating for 10min at 60 ℃, then adding 4 parts of guar gum, 1 part of sodium alginate, 20 parts of mixed particles obtained in the step 2) and 20 parts of water, and continuously heating for 20min at 80 ℃ to obtain a heated material for later use;
4) when the heated material obtained in the step 3) is cooled to 50 ℃, 8 parts of epoxidized soybean oil and 6 parts of chlorinated paraffin are added, and the mixture is stirred for 10min at the speed of 60r/min, so that the materials are uniformly stirred to obtain a mixture for later use;
5) placing the mixture obtained in the step 4) in a hot press for paving, setting the pressure value of the hot press to be 30MPa, the temperature to be 120 ℃ and the hot pressing time to be 8min, and preparing a formed plate for later use;
6) feeding the plate subjected to hot press molding in the step 5) into an air dryer, air-drying for 30min at 40 ℃ to obtain an air-dried plate, and taking out for later use;
7) trimming and polishing the plate obtained in the step 6) to obtain the sound insulation plate.
Example 3
A sound insulation composite door is shown in figures 1-2 and comprises a door plate 1 and a door frame 2, wherein the door plate 1 is connected with the door frame 2 through a door hinge 3. The door plate 1 comprises an inner sound insulation plate 11, an outer sound insulation plate 12 arranged below the inner sound insulation plate 11, a frame 13 which is connected with the inner sound insulation plate 11 and the outer sound insulation plate 12 in a mortise-tenon manner and used for fixing the door plate, a first composite fiber plate 111 which is attached to the inner sound insulation plate 11 and used for increasing the strength of the door plate 1 is arranged on the lower surface of the inner sound insulation plate 11, a second composite fiber plate 121 which is attached to the outer sound insulation plate 12 and used for increasing the strength of the door plate 1 is arranged on the upper surface of the outer sound insulation plate 12, the first composite fiber plate 111 is fixed to the inner sound insulation plate 11 in a sticking manner, the second composite fiber plate 121 is fixed to the outer sound insulation plate 12 in a sticking manner, and the first composite fiber plate 111 and the second composite fiber plate 121 are high-strength composite fiber plates. A sound absorption sponge layer 14 is arranged between the first composite fiber board 111 and the second composite fiber board 121, and the sound absorption sponge layer 14 is a wave crest sound absorption sponge. The first composite fiber plate 111, the second composite fiber plate 121 and the frame 13 are all fixedly connected through bolts. The door panel 1 is provided with a handle 15 for pushing and pulling the door panel 1. The door panel 1 is further provided with a cat eye 16 for observing the external environment, and the cat eye 16 penetrates through the inner sound insulation board 11 and the outer sound insulation board 12.
The inner sound insulation board 11 and the outer sound insulation board 12 are both prepared from the following raw materials in parts by weight: 53 parts of wood sawdust, 8 parts of shell powder, 15 parts of barite powder, 9 parts of asbestos, 16.5 parts of chitin, 17 parts of polypropylene fiber, 8 parts of calcium carbonate, 4 parts of sodium benzenesulfonate, 5 parts of magnesium oxide, 8.5 parts of epoxidized soybean oil, 4 parts of zinc stearate, 5 parts of guar gum, 2 parts of sodium alginate, 7 parts of chlorinated paraffin and 8 parts of zirconium dioxide.
A method for preparing an acoustic panel, comprising the steps of:
1) removing impurities from 53 parts of wood sawdust, 8 parts of shell powder, 15 parts of barite powder and 9 parts of asbestos, putting the wood sawdust, the shell powder, the barite powder and the asbestos into a ball mill, and carrying out ball milling for 18min at the speed of 260r/min to obtain ball-milled particles for later use;
2) putting the ball-milled particles obtained in the step 1), 8 parts of calcium carbonate, 4 parts of sodium benzenesulfonate, 5 parts of magnesium oxide, 4 parts of zinc stearate and 8 parts of zirconium dioxide into a stirrer, and stirring at the speed of 90r/min for 9min to obtain mixed particles for later use;
3) placing 16.5 parts of chitin and 17 parts of polypropylene fiber into a reaction kettle, heating for 13min at 70 ℃, then adding 5 parts of guar gum, 1-3 parts of sodium alginate, the mixed particles obtained in the step 2) and a proper amount of water, and continuously heating for 25min at 90 ℃ to obtain a heated material for later use;
4) when the heated material obtained in the step 3) is cooled to 55 ℃, 8.5 parts of epoxidized soybean oil and 7 parts of chlorinated paraffin are added, and the mixture is stirred for 13min at the speed of 70r/min, so that the materials are uniformly stirred to obtain a mixture for later use;
5) placing the mixture obtained in the step 4) in a hot press for paving, setting the pressure value of the hot press to be 35MPa, the temperature to be 125 ℃ and the hot pressing time to be 9min, and preparing a formed plate for later use;
6) feeding the plate subjected to hot press molding in the step 5) into an air dryer, air-drying for 35min at the temperature of 45 ℃ to obtain an air-dried plate, and taking out the air-dried plate for later use;
7) trimming and polishing the plate obtained in the step 6) to obtain the sound insulation plate.
Examples of the experiments
Subject: the sound insulation composite door is used as an experimental group, the existing solid wood composite door with a door core formed by bonding pine and fir is used as a first control group, and a specially-made vacuum sound insulation door is used as a second control group.
The experimental requirements are as follows: the three groups of doors have consistent thickness and area and consistent simulated pressure.
The experimental method comprises the following steps: the three doors are subjected to cold resistance, Shore hardness and sound absorption coefficient detection, and experimental data are recorded.
The following table shows the results of three gates:
Figure BDA0001632837840000111
in combination with the above table, compared with the results obtained by using a solid wood composite door with a door core formed by bonding pine and fir, a specially-made vacuum sound insulation door and the sound insulation composite door of the invention under the same experimental method, the test data of the sound insulation composite door of the invention are all in obvious advantages, so that the composite door of the invention has the advantages of high hardness, good sound absorption and noise reduction effects and durability.
The technical effects of the invention are mainly reflected in the following aspects: the door plate consists of an inner sound insulation board, an outer sound insulation board arranged below the inner sound insulation board, a frame which is connected with the inner sound insulation board and the outer sound insulation board through mortise and tenon joints and is used for fixing the door plate, a first composite fiber board which is arranged on the lower surface of the inner sound insulation board and is attached to the inner sound insulation board and is used for increasing the strength of the door plate, a second composite fiber board which is arranged on the upper surface of the outer sound insulation board and is attached to the outer sound insulation board and is used for increasing the strength of the door plate, and a sound-absorbing sponge layer which is arranged between the first composite fiber board and the second composite fiber board, has high hardness and good sound-absorbing and noise-reducing effects, and simultaneously, the inner sound insulation board and the outer sound insulation board are prepared by the specific preparation method of the invention, not only is safe and environment-friendly, but also has good sound absorption and noise insulation performance.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims (8)

1. The utility model provides a compound door gives sound insulation, includes door plant and door frame, its characterized in that: the door plate comprises an inner sound insulation plate, an outer sound insulation plate arranged below the inner sound insulation plate, and a frame which is connected with the inner sound insulation plate and the outer sound insulation plate through mortise and tenon joints and used for fixing the door plate, wherein a first composite fiber plate which is attached to the inner sound insulation plate and used for increasing the strength of the door plate is arranged on the lower surface of the inner sound insulation plate, a second composite fiber plate which is attached to the outer sound insulation plate and used for increasing the strength of the door plate is arranged on the upper surface of the outer sound insulation plate, and a sound absorption sponge layer is arranged between the first composite fiber plate and the second composite fiber plate; the inner sound insulation board and the outer sound insulation board are both prepared from the following raw materials in parts by weight: 50-55 parts of wood sawdust, 7-9 parts of shell powder, 10-20 parts of barite powder, 8-10 parts of asbestos, 15-18 parts of chitin, 16-18 parts of polypropylene fiber, 7-9 parts of calcium carbonate, 3-5 parts of sodium benzenesulfonate, 4-6 parts of magnesium oxide, 8-9 parts of epoxidized soybean oil, 3-5 parts of zinc stearate, 4-6 parts of guar gum, 1-3 parts of sodium alginate, 6-8 parts of chlorinated paraffin and 7-9 parts of zirconium dioxide; the preparation method of the sound insulation board comprises the following steps:
1) 50-55 parts of wood sawdust, 7-9 parts of shell powder, 10-20 parts of barite powder and 8-10 parts of asbestos are taken, impurities are removed, the materials are put into a ball mill, and ball milling is carried out for 15-20min at the speed of 240-280r/min, so as to obtain ball milling particles for later use;
2) putting the ball-milled particles obtained in the step 1), 7-9 parts of calcium carbonate, 3-5 parts of sodium benzenesulfonate, 4-6 parts of magnesium oxide, 3-5 parts of zinc stearate and 7-9 parts of zirconium dioxide into a stirrer, and stirring at the speed of 80-100r/min for 8-10min to obtain mixed particles for later use;
3) placing 15-18 parts of chitin and 16-18 parts of polypropylene fiber into a reaction kettle, heating for 10-15min at 60-80 ℃, then adding 4-6 parts of guar gum, 1-3 parts of sodium alginate, the mixed particles obtained in the step 2) and a proper amount of water, and continuously heating for 20-30min at 80-100 ℃ to obtain a heated material for later use;
4) when the heated material obtained in the step 3) is cooled to 50-60 ℃, adding 8-9 parts of epoxidized soybean oil and 6-8 parts of chlorinated paraffin, and stirring at the speed of 60-80r/min for 10-15min to uniformly stir all the materials to obtain a mixture for later use;
5) placing the mixture obtained in the step 4) in a hot press for paving, setting the pressure value of the hot press to be 30-40MPa, the temperature to be 120-130 ℃, and the hot pressing time to be 8-10min, and preparing a molded plate for later use;
6) feeding the plate subjected to hot press molding in the step 5) into an air dryer, air-drying for 30-40min at 40-50 ℃ to obtain an air-dried plate, and taking out for later use;
7) trimming and polishing the plate obtained in the step 6) to obtain the sound insulation plate.
2. A sound insulating composite door as claimed in claim 1, wherein: the door plate is connected with the door frame through a door hinge.
3. A sound insulating composite door as claimed in claim 1, wherein: the first composite fiber board is fixed with the inner sound insulation board in a sticking way, and the second composite fiber board is fixed with the outer sound insulation board in a sticking way.
4. A sound insulating composite door as claimed in claim 1, wherein: the sound-absorbing sponge layer is a wave crest sound-absorbing sponge.
5. A sound insulating composite door as claimed in claim 1, wherein: the first composite fiber board, the second composite fiber board and the frame are fixedly connected through bolts.
6. A sound insulating composite door as claimed in claim 1, wherein: the door plate is provided with a handle for pushing and pulling the door plate.
7. A sound insulating composite door as claimed in claim 1, wherein: the door plate is further provided with a cat eye for observing the external environment, and the cat eye penetrates through the inner sound insulation plate and the outer sound insulation plate.
8. A sound insulating composite door as claimed in claim 1, wherein: the first composite fiber board and the second composite fiber board are high-strength composite fiber boards.
CN201810351810.XA 2018-04-18 2018-04-18 Sound-insulation composite door Active CN108590470B (en)

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CN205000864U (en) * 2015-08-20 2016-01-27 叶燕峰 Sound insulation door
CN207033275U (en) * 2017-07-31 2018-02-23 浙江香乡门业有限公司 A kind of sound insulation villa Solid Door

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Publication number Priority date Publication date Assignee Title
CN205000864U (en) * 2015-08-20 2016-01-27 叶燕峰 Sound insulation door
CN207033275U (en) * 2017-07-31 2018-02-23 浙江香乡门业有限公司 A kind of sound insulation villa Solid Door

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