CN106675062B - A kind of wood wool vacuum grain composite plate and preparation method thereof - Google Patents
A kind of wood wool vacuum grain composite plate and preparation method thereof Download PDFInfo
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- CN106675062B CN106675062B CN201611163320.4A CN201611163320A CN106675062B CN 106675062 B CN106675062 B CN 106675062B CN 201611163320 A CN201611163320 A CN 201611163320A CN 106675062 B CN106675062 B CN 106675062B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/20—Moulding or pressing characterised by using platen-presses
- B27N3/203—Moulding or pressing characterised by using platen-presses with heating or cooling means
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
A kind of wood wool vacuum grain composite plate and preparation method thereof, the present invention is to realize the manufacture of high-strength heat-insulation sound insulation wood-plastic clad plate and solve the problems, such as to be difficult to the thermal insulation and sound insulation effect for having advantageous by the Wood composite of raw material of timber, proposes a kind of wood wool vacuum grain composite plate.A kind of its component of wood wool vacuum grain composite plate and percentage by volume of the present invention are as follows: wood material: 49% ~ 90%, vacuum grain: 9% ~ 50%, adhesive: 0.5% ~ 5%；The wall thickness of the vacuum grain is 0.1 mm ~ 1mm, outer diameter is 1 mm ~ 5mm, and whole is in sphere or spheroid, and draw ratio is close to 1:1.The beneficial effects of the present invention are: by the way that wood wool and vacuum grain are carried out the compound vacuum area that can form dispersion in particieboard, be conducive to improve the sound isolating and heat insulating performance of strand board panels, while can also play the role of reducing particieboard weight, reduce lumber consumption.The present invention also provides a kind of preparation methods of wood wool vacuum grain composite plate.
Description
Technical field
The invention belongs to field of compound material, are related to the manufacturing method of particieboard, and in particular to a kind of wood wool vacuum grain
Composite plate and preparation method thereof.
Background technique
Particieboard be the particle made of timber or other ligno-cellulosic materials apply adhesive after, it is machined and
Wood-based plate made of pressure pressing, which raises the comprehensive utilization ratio of timber, may be implemented small material it is big with and the excellent use of bad material, be wood
The saving and substitution product of material.Particieboard is used for building industry and furniture manufacturing industry, and the particieboard of superior performance can substitute day
Right timber is to manufacture timber buildings, interior decoration component, desk, cupboard box-type furniture and train, automobile bodies etc..
With the progress of particieboard manufacturing technology and the extensive use of wood-based panel product, people are to the understanding of wood-based plate and recognize
It can spend and gradually be promoted, while the requirement to particleboard production is also higher and higher.In addition to particieboard environmental-protecting performance, mechanical property
Other than the requirement of energy, people have also begun with high requirement to the sound insulation of strand board panels, heat-proof quality.Especially when people get over
Come it is more by particieboard be applied to architectural engineering and interior decoration field when, how to Chipboard carry out processing or structure
Design just becomes to have important practical significance to enhance its sound isolating and heat insulating performance.In the prior art to particieboard environmental-protecting performance,
The research that mechanical property is promoted is more abundant, but still lacks the related research achievement to the heat-insulated particieboard of high strength sound, high-strength
Degree sound-insulating and heat-insulating Chipboard research and development technology slowly there is no breakthrough, how while promoting strength of shaving boards make particieboard
It is the difficult point in current particieboard technical research with sound insulation, heat-insulated performance.
Research discovery vacuum to vacuum material is the non-conductor of sound and heat, is had a good application prospect, if
Vaccum construction material can be introduced into the physical property for being then expected to improve material in the composite wooden materials such as particieboard.And particieboard
Equal composite wooden materials are hardly formed closed vacuum environment, particieboard can not be made to have preferable heat-insulating sound-insulating with the prior art
Effect, how to improve particieboard makes the performance of particieboard change, and the characteristic with vacuum material is that current letter waits solving
Certainly the technical issues of.In addition, how realizing industrial application after particieboard has the characteristic of vacuum material, how solving
This material profile material manufacture, Cutting indexes, in terms of the difficulty that is likely encountered be also to need in developing material
The technical issues of considering together in the process.
Summary of the invention
The present invention is to solve a series of problems existing in the prior art, and then propose a kind of wood wool vacuum grain composite plate
And preparation method thereof.A kind of described its component of wood wool vacuum grain composite plate and percentage by volume are as follows: wood material: 49% ~ 90%,
Vacuum grain: 9% ~ 50%, adhesive: 0.5% ~ 5%；The wall thickness of the vacuum grain is 0.1 mm ~ 1mm, outer diameter is 1 mm ~ 5mm,
Whole is in sphere or spheroid, and draw ratio is close to 1:1.The beneficial effects of the present invention are: by by wood wool and vacuum grain into
The compound vacuum area that dispersion can be formed in particieboard of row is conducive to the sound isolating and heat insulating performance for improving strand board panels, together
When can also play the role of reduce particieboard weight, reduce lumber consumption.
Further, the wood material is one or more of timber or stalk；The stalk is sorghum stalk, cotton
One or more of bar, hemp stalk, reed stalk, cornstalk, tobacco stalk, Wheat Straw and straw.
Further, the vacuum grain is made by plastics, and the plastics are the virgin material or reclaimed materials of thermosetting plastics.
Further, the thermosetting plastics is phenoplasts, epoxy plastics, aminoplast, unsaturated polyester (UP), alkyd plastics
One or more of.
Further, the adhesive is isocyanates.
A kind of preparation method of wood wool vacuum grain composite plate, comprising the following steps:
S1, stock: by timber or stalk by flaking, chip, roll, one or more of sawing and screening mode add
The wood material of 20 ~ 200mm of work growth, wide 2 ~ 20mm, 0.1 ~ 2mm of thickness；
S2, pretreatment of raw material: by controlling temperature and humidity equipment, the moisture content of wood material is controlled；
S3, raw material mixing: will treated part wood material and wall thickness is 0.1mm ~ 1mm, outer diameter is 1mm ~ 5mm, it is whole
Body is in sphere or spheroid, and the vacuum grain of draw ratio close to 1:1 are uniformly mixed；
S4, addition coupling agent: liquid coupling agent is applied to pretreated wood material and vacuum using spraying method
On grain mixture；
S5, raw material sizing: urea-formaldehyde resin adhesive is applied to pretreated wood material and wood using spraying method
On the mixture of matter raw material and vacuum grain；
S6, plate blank paving: mating formation the wood material of sizing in upper and lower surface, uniformly mats formation the wooden original of sizing in middle layer
Material and vacuum grain mixture, pressure form slab；
It is S7, hot-forming: slab obtained is put into hot-forming in hot-press equipment, the hot-forming hot pressing temperature
Degree is 120 DEG C ~ 220 DEG C, and hot pressing time is 3 ~ 20 minutes；
S8, post-production: cutting edge and surface treatment are carried out.
Further, select wood material, vacuum grain and adhesive by percentage by volume with wood material in step S3: 49% ~
90%, vacuum grain: 9% ~ 50%, adhesive: 0.5% ~ 5% ratio uniform mixing, and stay in after sizing for slab of mating formation.
Further, the vacuum grain using vacuum grain manufacturing equipment be made, the vacuum grain manufacturing equipment have gas-tight silo,
Vacuum pump, barometer, prilling granulator, the gas-tight silo are made by gas impermeable material, and wherein at least a part is with saturating
Bright gas impermeable material is made, and the gas-tight silo has aspirating hole, and the aspirating hole is controlled to a vacuum pump by pipeline, described close
Sealing also has at least one Hatch Opening on storehouse, the Hatch Opening can be converted between open state and air-tight state, and Hatch Opening is closed and opens
The gas-tight silo is at vacuum state after dynamic vacuum pump；The barometer is set on the gas-tight silo, can be real-time
Reflect the vacuum degree of the gas-tight silo；There is vacuum grain shell, getter, the vacuum grain shell at least has in the gas-tight silo
There is an opening, getter can be made to enter in vacuum grain shell by the prilling granulator under certain vacuum degree, and can
It is sealed by opening of the prilling granulator to the vacuum grain shell and vacuum grain is made.
Further, the prilling granulator is located in the gas-tight silo, and the prilling granulator has accommodating mechanism, send shell machine
Structure, getter input mechanism, sealing mechanism, the accommodating mechanism include longitudinal turntable, are had on the side wall of the longitudinal direction turntable
At least one can accommodate the accommodating cavity of vacuum grain shell, and the accommodating cavity is kept fixed with longitudinal turntable or rotary state, when
Longitudinal turntable rotation after the completion of the vacuum grain manufacture；The longitudinal direction turntable has vacuum grain repository, the accommodating
Vacuum grain in chamber is acted on by gravity and centrifugal force and is fallen into the vacuum grain repository after abjection；The Song Ke mechanism includes
It is described to send shell for storing the shell component that send for sending shell cavity and enter accommodating cavity for controlling vacuum grain shell of vacuum grain shell
Cavity is located at the top of longitudinal turntable and a corresponding accommodating cavity；The getter input mechanism includes for storing
The medicament chamber of getter and the shifting component for entering vacuum grain shell for stirring the intracavitary getter of medicament；The sealing mechanism,
Including filling the cock body cavity of cock body for storing, depositing glue component, sizing component and pushing filling cock body by being glued component simultaneously
Part enters the pushing component that vacuum grain enclosure interior realizes the vacuum grain housing seal.
Further, processing release paper is placed in the upper layer of slab in step S6, prevents haftplatte in slab hot pressing；Step
Wood wool vacuum grain composite plate specification in S7 after cutting edge are as follows: long 400 ~ 2440mm, wide 400 ~ 1220mm, thickness 35 ~
120mm。
Further, in step S2 the moisture control of wood material 10% ~ 15%；Hot-press equipment described in step S7 is height
The hot-press equipment of frequency heating.
Detailed description of the invention
Fig. 1 is the manufacturing method of the present invention flow diagram；
Fig. 2 is the diagrammatic cross-section of wood wool vacuum grain composite plate of the invention；
Fig. 3 is the overall structure diagram of vacuum grain manufacturing equipment of the invention；
Fig. 4 is gas-tight silo the schematic diagram of the section structure in the present invention；
Fig. 5 is the schematic diagram of prilling granulator specific embodiment in the present invention；
Fig. 6 is the schematic diagram of another specific embodiment of prilling granulator in the present invention；
Each section meaning is as follows in figure: 1 gas-tight silo；11 aspirating holes；2 vacuum pumps；3 barometers；4 prilling granulators；41
Accommodate mechanism；413 accommodating cavities；42 Song Ke mechanisms；421 send shell cavity；422 send shell component；43 getter input mechanisms；431 medicines
Agent chamber；432 shifting components；44 sealing mechanisms；441 cock body cavities；442 deposit glue component；443 sizing components；444 pushing components；
45 longitudinal turntables；451 side walls；46 vacuum grain repositories；5 pipelines；6 Hatch Openings；7 vacuum grains；71 vacuum grain shells；711 openings；72
Fill cock body；73 getters.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawing.
Specific embodiment 1: a kind of its component of wood wool vacuum grain composite plate and weight percent are wood material: 49% ~
90%, vacuum grain: 9% ~ 50%, adhesive: 0.5% ~ 5%；The wall thickness of the vacuum grain is 0.1 mm ~ 1mm, outer diameter be 1 mm ~
5mm, whole is in sphere or spheroid, and draw ratio is close to 1:1.
Present embodiment has the technical effect that by compound can be formed in particieboard wood wool and vacuum grain
The vacuum area of dispersion is conducive to the sound isolating and heat insulating performance for improving strand board panels, while can also play reduction particieboard weight
Amount, the effect for reducing lumber consumption.
Specific embodiment 2: a kind of wood wool vacuum grain composite plate described in present embodiment, the wood material are wood
One or more of material or stalk；The stalk is sorghum stalk, cotton stalk, hemp stalk, reed stalk, cornstalk, tobacco stalk, Wheat Straw
One or more of with straw；Other are identical as specific embodiment 1.
Present embodiment has the technical effect that the comprehensive utilization for realizing wooden resource, turns waste into wealth, and makes to be worth lower agriculture
The forestry products with more high added value can be made in woods residue.
Specific embodiment 3: a kind of wood wool vacuum grain composite plate described in present embodiment, the vacuum grain is by plastics system
, the plastics are the virgin material or reclaimed materials of thermosetting plastics；Other are identical as specific embodiment 1 or 2.
Present embodiment has the technical effect that thermosetting plastics intensity is high, does not melt in process, wall thickness can be made
Relatively thin vacuum grain, and vacuum grain can bear biggish pressure, therefore the choosing of thermosetting plastics in the environment of higher temperature
With keeping technique of the invention more smooth, product quality and performances are more stable, and mechanical property is more superior.
Specific embodiment 4: a kind of wood wool vacuum grain composite plate described in present embodiment, the thermosetting plastics are phenol
One or more of aldehyde plastics, epoxy plastics, aminoplast, unsaturated polyester (UP), alkyd plastics；Other and specific embodiment
Any one of 1-3 is identical.
Present embodiment have the technical effect that the selection of these plastics be effectively guaranteed product durability and structure it is strong
Degree.
Specific embodiment 5: a kind of wood wool vacuum grain composite plate described in present embodiment, the adhesive are isocyanic acid
Ester；Other are identical as any one of specific embodiment 1-4.
Present embodiment has the technical effect that can carry out covalent chemical with the hydroxyl in wood material reacts, and and plate
Middle thermoplastic plastic's macromolecule forms winding arrangement, increases the knot between wood material and between wood material and plastics
Close intensity；In addition, formaldehydeless equal pernicious gases release, the particieboard of preparation are environmentally protective in use.
Specific embodiment 6: embodiment is described with reference to Fig. 1, and a kind of wood wool vacuum grain described in present embodiment is multiple
The preparation method of plywood, comprising the following steps:
S1, stock: by timber or stalk by flaking, chip, roll, one or more of sawing and screening mode add
The wood material of 20 ~ 200mm of work growth, wide 2 ~ 20mm, 0.1 ~ 2mm of thickness；
S2, pretreatment of raw material: being dried wood material, and the moisture content of wood material is dry to 5% or less；
S3, raw material mixing: will treated part wood material and wall thickness is 0.1mm ~ 1mm, outer diameter is 1mm ~ 5mm, it is whole
Body is in sphere or spheroid, and the vacuum grain of draw ratio close to 1:1 are uniformly mixed；
S4, addition coupling agent: liquid coupling agent is applied to pretreated wood material and vacuum using spraying method
On 7 mixtures of grain；
S5, raw material sizing: urea-formaldehyde resin adhesive is applied to pretreated wood material and wood using spraying method
On the mixture of matter raw material and vacuum grain 7；
S6, plate blank paving: mating formation the wood material of sizing in upper and lower surface, uniformly mats formation the wooden original of sizing in middle layer
The mixture of material and vacuum grain 7, pressure form slab；
It is S7, hot-forming: slab obtained is put into hot-forming in hot-press equipment, the hot-forming hot pressing temperature
Degree is 120 DEG C ~ 220 DEG C, and hot pressing time is 3 ~ 20 minutes；
S8, post-production: cutting edge and surface treatment are carried out；Other are identical as any one of specific embodiment 1-5.
Present embodiment has the technical effect that the global density for greatly reducing particieboard, but wood material part is pressed
It is real, high density surface is formed, bending elastic modulus, the static bending strength of particieboard is improved, reduces thickness swelling rate etc.,
Improve the physical and mechanical property of plate.
Specific embodiment 7: illustrate present embodiment, a kind of wood wool vacuum described in present embodiment in conjunction with Fig. 1 and Fig. 2
The manufacturing method of grain composite plate selects in step S3 wood material, vacuum grain and adhesive by percentage by volume with wood material:
49% ~ 90%, vacuum grain: 9% ~ 50%, adhesive: 0.5% ~ 5% ratio uniform mixing, and stay in after sizing for slab of mating formation；
Other are identical as specific embodiment 6.
Present embodiment has the technical effect that it is 0.25 ~ 0.45g/m that particieboard density, which may be implemented, by this proportion3,
Particieboard surface layer density is 0.6 ~ 1.0g/m3, thermal coefficient is 0.05 ~ 0.10W/m.k, and maximum sound insulation coefficient is 50 ~ 75 decibels,
With preferable heat insulation performance.
Specific embodiment 8: illustrate present embodiment, a kind of wood described in present embodiment in conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6
The manufacturing method of wood shavings vacuum grain composite plate, the vacuum grain 7 are made using vacuum grain manufacturing equipment, and the vacuum grain manufacture is set
Standby to have gas-tight silo 1, vacuum pump 2, barometer 3, prilling granulator 4, the gas-tight silo 1 is made by gas impermeable material, and its
Middle at least part is made with transparent gas impermeable material, and the gas-tight silo 1 has aspirating hole 11, and the aspirating hole 11 passes through
Pipeline 5 is connect with vacuum pump 2, also has at least one Hatch Opening 6 on the gas-tight silo 1, the Hatch Opening 6 can in open state and
It is converted between air-tight state, Hatch Opening 6 is closed and the gas-tight silo 1 is at vacuum state after starting vacuum pump 2；The atmospheric pressure
Power table 3 is set on the gas-tight silo 1, can reflect the vacuum degree of the gas-tight silo 1 in real time；There is vacuum in the gas-tight silo 1
Grain shell 71, getter 73, the vacuum grain shell 71 at least has an opening 711, by described under certain vacuum degree
Prilling granulator 4 can be such that getter 73 enters in vacuum grain shell 71, and can be by the prilling granulator 4 to the vacuum grain
The opening 711 of shell 71 is sealed and then vacuum grain 7 is made；Other are identical as specific embodiment 7.
Having the technical effect that for present embodiment can obtain vacuum degree vacuum grain appropriate, this hair by present embodiment
The gas-tight silo of the bright wood-based plate vacuum grain manufacturing equipment has Hatch Opening, and the Hatch Opening can be in open state and sealed shape
State conversion, and the vacuum degree in gas-tight silo can be monitored by barometer, make to be put into vacuum grain raw material into gas-tight silo and take
Manufactured vacuum grain is easier to and highly-safe out.
Specific embodiment 9: illustrate present embodiment in conjunction with Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, one described in present embodiment
The manufacturing method of kind wood wool vacuum grain composite plate, the prilling granulator 4 are located in the gas-tight silo 1, and the prilling granulator 4 has
There are accommodating mechanism 41, Song Ke mechanism 42, getter input mechanism 43, sealing mechanism 44, the accommodating mechanism 41 includes longitudinal turns
Disk 45, it is described longitudinal direction turntable 45 side wall 451 on have at least one can accommodate the accommodating cavity 413 of vacuum grain shell 71, institute
It states accommodating cavity 413 to be kept fixed with longitudinal turntable 45 or rotary state, longitudinal turntable after the completion of the vacuum grain 7 manufacture
45 rotations；It is described longitudinal direction turntable 45 have vacuum grain repository 46, the vacuum grain 7 in the accommodating cavity 413 by gravity and from
Mental power function and fall into the vacuum grain repository 46 after deviating from；The Song Ke mechanism 42 includes for storing vacuum grain shell
71 send shell cavity 421 and send shell component 422 for control that vacuum grain shell 71 enters accommodating cavity 413, it is described to send shell cavity
421 are located at the top of longitudinal turntable 45 and a corresponding accommodating cavity 413；The getter input mechanism 43 includes using
Enter stirring for vacuum grain shell 71 in the medicament chamber 431 of storage getter 73 and for stirring getter 73 in medicament chamber 431
Component 432；The sealing mechanism 44, including for store filling cock body 72 cock body cavity 441, deposit glue component 442, sizing group
Part 443 and promotion filling cock body 72 simultaneously partially enter inside vacuum grain shell 71 by sizing component 443 realizes the vacuum grain
The pushing component 444 that shell 71 seals；Other are identical as specific embodiment 8.
Present embodiment has the technical effect that by accommodating mechanism, Song Ke mechanism, getter input mechanism, sealing mechanism
Synergistic effect, realize to the gripping of vacuum grain shell, load the mechanization and automatic operation of getter, sealing, be conducive to
Mass prepares wood-based plate vacuum grain.
Specific embodiment 10: illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, a kind of wood wool described in present embodiment is true
The manufacturing method of empty grain composite plate places processing release paper in the upper layer of slab in step S6, prevents from gluing in slab hot pressing
Plate；Wood wool vacuum grain composite plate specification in step S7 after cutting edge are as follows: long 400 ~ 2440mm, wide 400 ~ 1220mm are thick
35~120mm；Other are identical as any one of specific embodiment 6 to 8.
Present embodiment has the technical effect that the production and manufacture for realizing super thick heat-insulating sound-insulating particieboard, is incorporated in door and window
And the practical application in partition wall, facilitate and carries out modularization and integrated production and installation.
Specific embodiment 11: illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, a kind of wood wool described in present embodiment is true
The manufacturing method of empty grain composite plate, further, the moisture control of wood material is 10% ~ 15% in step S2；Institute in step S7
State the hot-press equipment that hot-press equipment is high-frequency heating；Other are identical as any one of specific embodiment 6 to 10.
The moisture content for having the technical effect that control wood material of present embodiment simultaneously keeps wood material with higher aqueous
Rate is the method for the less use of wood working industry, because conventional increase moisture content can make the performance of plate unstable and unfavorable
In the molding of plate, the moisture content of wood material can be controlled when manufacturing particieboard under normal circumstances 5% hereinafter, and in this hair
10% ~ 15% plate moisture content is combined with the high-frequency heating apparatus that the present invention uses in bright, can be made with thicker degree
Plate is preferably formed, and it is compound can more easily to produce the wood wool vacuum grain with larger thickness, superior performance
Plate.
Claims (3)
1. a kind of preparation method of wood wool vacuum grain composite plate, it is characterised in that the following steps are included:
S1, stock: by timber or stalk by flaking, chip, roll, one or more of sawing and screening mode are processed into
The wood material of long 20~200mm, wide 2~20mm, 0.1~2mm of thickness；
S2, pretreatment of raw material: by controlling temperature and humidity equipment, the moisture content of wood material is controlled；
S3, raw material mixing: will treated part wood material with wall thickness is 0.1mm~1mm, outer diameter is 1mm~5mm, integrally
In sphere or spheroid, the vacuum grain of draw ratio close to 1:1 are uniformly mixed；
S4, addition coupling agent: liquid coupling agent is applied to pretreated wood material using spraying method and vacuum grain mixes
It closes on object；
S5, raw material sizing: urea-formaldehyde resin adhesive is applied to pretreated wood material and wooden original using spraying method
On the mixture of material and vacuum grain；
S6, plate blank paving: mating formation the wood material of sizing in upper and lower surface, middle layer uniformly mat formation sizing wood material with
Vacuum grain mixture, pressure form slab；
It is S7, hot-forming: slab obtained to be put into hot-forming in hot-press equipment, the hot-forming hot pressing temperature is
120 DEG C~220 DEG C, hot pressing time is 3~20 minutes；
S8, post-production: cutting edge and surface treatment are carried out；The vacuum grain is made using vacuum grain manufacturing equipment, the vacuum
Grain manufacturing equipment has gas-tight silo, vacuum pump, barometer, prilling granulator, and the gas-tight silo is made by gas impermeable material, and
Wherein at least a part is made with transparent gas impermeable material, and the gas-tight silo has aspirating hole, and the aspirating hole passes through pipe
Line is controlled to a vacuum pump, and also has at least one Hatch Opening on the gas-tight silo, the Hatch Opening can be in open state and sealed shape
It is converted between state, Hatch Opening is closed and the gas-tight silo is at vacuum state after starting vacuum pump；The barometer is set to
On the gas-tight silo, it can reflect the vacuum degree of the gas-tight silo in real time；There is vacuum grain shell, air-breathing in the gas-tight silo
Agent, the vacuum grain shell at least have an opening, under vacuum conditions by the prilling granulator can make getter into
Enter in vacuum grain shell, and can be sealed by opening of the prilling granulator to the vacuum grain shell and be made true
Empty grain.
2. a kind of preparation method of wood wool vacuum grain composite plate according to claim 1, it is characterised in that: the granulation dress
Setting in the gas-tight silo, the prilling granulator has accommodating mechanism, Song Ke mechanism, getter input mechanism, sealing mechanism,
The accommodating mechanism includes longitudinal turntable, on the side wall of the longitudinal direction turntable there is at least one can accommodate vacuum grain shell
Accommodating cavity, the accommodating cavity is kept fixed with longitudinal turntable or rotary state, the longitudinal direction after the completion of vacuum grain manufacture
Turntable rotation；The longitudinal direction turntable has vacuum grain repository, and the vacuum grain in the accommodating cavity is by gravity and centrifugation masterpiece
With and deviate from after fall into the vacuum grain repository；The Song Ke mechanism includes sending shell cavity for store vacuum grain shell
And entering the shell component that send of accommodating cavity for controlling vacuum grain shell, the top for sending shell cavity to be located at longitudinal turntable is simultaneously
A corresponding accommodating cavity；The getter input mechanism includes medicament chamber for storing getter and for stirring medicament
Intracavitary getter enters the shifting component of vacuum grain shell；The sealing mechanism holds including the cock body for storing filling cock body
Chamber deposits glue component, sizing component and filling cock body is pushed to enter vacuum grain enclosure interior by sizing component and part and realizes institute
State the pushing component of vacuum grain housing seal.
3. a kind of preparation method of wood wool vacuum grain composite plate according to claim 1, it is characterised in that: wooden in step S2
The moisture control of matter raw material is 10%~15%；Processing release paper is placed in the upper layer of slab in step S6, prevents slab hot
Haftplatte during pressure；Hot-press equipment is the hot-press equipment of high-frequency heating in step S7；Wood wool in step S8 after cutting edge
Vacuum grain composite plate specification are as follows: long 400~2440mm, wide 400~1220mm, 35~120mm of thickness.
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| CN1944012A (en) * | 2006-06-02 | 2007-04-11 | 江苏胜阳实业股份有限公司 | Artificial hollow chipboard |
| CN101672072A (en) * | 2009-08-10 | 2010-03-17 | 邱天祥 | Sound insulation composite board and manufacture method |
| CN103659946A (en) * | 2013-11-30 | 2014-03-26 | 北京林业大学 | Directional wood-plastic composite plate and manufacturing method thereof |
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| CN101116991A (en) * | 2007-09-07 | 2008-02-06 | 张国华 | High-strength shaving board and production process thereof |
| CN106218540B (en) * | 2016-08-09 | 2018-10-02 | 声博士（深圳）声学技术有限公司 | A kind of noise reduction acoustical and thermal novel-section flitch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1944012A (en) * | 2006-06-02 | 2007-04-11 | 江苏胜阳实业股份有限公司 | Artificial hollow chipboard |
| CN1907665A (en) * | 2006-07-31 | 2007-02-07 | 江苏胜阳实业股份有限公司 | Crop straw hollow shaving board |
| CN101672072A (en) * | 2009-08-10 | 2010-03-17 | 邱天祥 | Sound insulation composite board and manufacture method |
| CN103659946A (en) * | 2013-11-30 | 2014-03-26 | 北京林业大学 | Directional wood-plastic composite plate and manufacturing method thereof |
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