CN104924369B - A kind of high structural strength three-dimensional solid wood composite plate and its forming method - Google Patents

A kind of high structural strength three-dimensional solid wood composite plate and its forming method Download PDF

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Publication number
CN104924369B
CN104924369B CN201510255575.2A CN201510255575A CN104924369B CN 104924369 B CN104924369 B CN 104924369B CN 201510255575 A CN201510255575 A CN 201510255575A CN 104924369 B CN104924369 B CN 104924369B
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China
Prior art keywords
layer
capacity
capacity layer
hard base
structural strength
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CN201510255575.2A
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Chinese (zh)
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CN104924369A (en
Inventor
詹雄光
颜宝娟
罗俊光
韩有年
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詹雄光
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Priority to CN201510255575.2A priority Critical patent/CN104924369B/en
Publication of CN104924369A publication Critical patent/CN104924369A/en
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Publication of CN104924369B publication Critical patent/CN104924369B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08Manufacture of shaped articles; Presses specially designed therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04Layered 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
    • B32B21/042Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered 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
    • B32B3/26Layered 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
    • B32B3/28Layered 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 a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/044 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/732Dimensional properties
    • B32B2307/734Dimensional stability
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00Decorative or ornamental articles

Abstract

The present invention discloses a kind of high structural strength three-dimensional solid wood composite plate, including Hard base layer, also including being arranged on the first capacity layer group, the second capacity layer group of basic unit both sides;At least one of which flexible volume layer is respectively equipped with first capacity layer group, the second capacity layer group;Also include being arranged on the surface layer of the first capacity layer surface;The top layer is provided with decorative groove, and the bottom of decorative groove is embedded in the first capacity layer group.Hard base layer can provide enough mechanical strengths for whole sheet material, and the capacity layer in sheet material, surface layer are supported, and prevent sheet material from deforming during height compacting decorative groove.Solid wood composite board proposed by the present invention has the brand new for being different from conventional panels, the features such as with visual stereoscopic, high mechanical strength, long service life, also there is low burst size of methanal, using environmental protection, the fields such as house ornamentation, art work processing, commercial place decoration, urban construction can be widely used in.

Description

A kind of high structural strength three-dimensional solid wood composite plate and its forming method
Technical field
The present invention relates to a kind of dalle technical field, a kind of specific high structural strength three-dimensional solid wood composite plate and its into Type method.
Background technology
The furniture decoration board of current in the market has two kinds, and a kind of is traditional planar decorating plate, and another is vertical Body decorative panel.Traditional plane decoration poor visual effect, without third dimension, it is impossible to the demand in market is met, with the new of 3D effect Generation decorative panel has very strong stereoeffect, is increasingly welcome by consumers in general.In the prior art, generally using special With equipment is in substrate surface milling or digs three-dimensional contouring, then glue spraying plastic uptake or pad pasting again, the final surface that obtains has three-dimensional line The dalle of reason.Although this manufacturing process can form solid grain on sheet material, based on the limitation of milling technique, it is to plate Material thickness in itself, hardness, suppleness have requirement higher, cause cost to be difficult to control to.This manufacturing process is complex, product Quality cannot accurately management and control, production efficiency is difficult to improve.Additionally, above-mentioned processing damage sheet material fibre structure in itself, in sheet material It is upper to form substantial amounts of stress point, make the easy stress of sheet material and breakage, warpage.
Notification number is that 203576005 Chinese invention discloses a kind of 3D three-dimensional decorative panels, and it is by being rolled over shape on sheet material Into three-dimensional pattern.Because without carry out the operation such as milling to sheet material, the technical scheme can maintain the complete of sheet material fibre structure in itself Whole property, so improve product mechanical strength, avoid product stress and deform, it is damaged.But the technology is to sheet material quality in itself It is required that it is higher, need to be made of multilayer material gluing, bonding, the complex manufacturing technology of high cost and sheet material.In general, to increase Plus lines depth, improve its third dimension, it is necessary in rolling step use pressure higher.And in rolling process, embossing Roller and sheet material localized contact.Sheet material with knurling rolls contact site bears bigger pressure relative to other positions, due to now Sheet material unbalance stress everywhere, internal stress is difficult to balance and be easily broken off.The sheet material for being used to roll in the prior art needs to have height Weight capacity.To improve sheet material in rolling process emphasis weight capacity, the thickness of the technology sheet material is higher, and practical application is more not Just.And when the sheet metal thickness in the technology is relatively low, rolling strength enhancing then necessarily cause sheet material cannot load-bearing and rupture.With this Meanwhile, multi-level material is differed due to the degree that each layer during use is contacted with external environment, makes the state of each interlayer difficult To remain consistent, final products easily deform because of interlayer unbalance stress.
Therefore, a kind of visual effect solid, low thickness, high intensity, distortion-free art decoration how are designed, is turned into Problem demanding prompt solution.
The content of the invention
In view of this, the present invention discloses a kind of visual effect solid, low thickness, high intensity, distortion-free art decoration.
A kind of high structural strength three-dimensional solid wood composite plate, including Hard base layer, also including being arranged on the first of basic unit both sides Capacity layer group, the second capacity layer group;At least one of which flexible volume layer is respectively equipped with first capacity layer group, the second capacity layer group; Also include being arranged on the surface layer of the first capacity layer surface;The top layer is provided with decorative groove, the bottom insertion of decorative groove described the In one capacity layer group.
Alleged Hard base layer of the invention, can select any one hard material and is made, such as the Europe deals of prior art, restructuring Wood.The layer flexible volume layer can use any one low-density, more soft material to be made, and such as the low gas of poplar, pine is done The material of density.Surface layer then can select commercially available Recombinant Wood section or natural veneer is made, its printable surface decorative pattern, pattern. Decorative groove is molded by being embossed on surface layer.In the centrally disposed Hard base layer of sheet material, Hard base layer can be whole to the present invention Sheet material provides enough mechanical strengths, and the capacity layer in sheet material, surface layer are supported, and prevents sheet material in high pressure rolling decorative groove During deform.And the first capacity layer for being arranged on Hard base layer both sides combines the second capacity layer group because its hardness is low, can The pressure dissipation that mould is applied, it is to avoid pressure is concentrated and is applied on a certain contact point of Hard base layer.This technical scheme can have Effect improves the weight capacity of Hard base layer, and then realizes reducing Hard base layer thickness, makes product more lightweight.In relatively low thickness Under, deeper decoration slot texture can be formed on sheet material of the invention, obtain more three-dimensional visual effect.Due to thickness of the present invention Low, structure is simplified, and the state of each interlayer is more consistent, it is not easy to buckling deformation occurs because thermal expansion contracting coefficient differs, so as to obtain More uniform, unified color and luster is obtained, is particularly suited for the fields such as interior decoration, Furniture manufacture.
Further, the surface layer, the first capacity layer group thickness ratio are 1:5:~2:6;The first capacity layer group and the Two capacity layer group thickness ratios are 0.8:1~1:1;The first capacity layer group is 1 with Hard base layer thickness ratio:4~1:7.
The effect of the first capacity layer group mainly support, the surface layer of the rolled depression of receiving, such as the first capacity layer group thickness Relatively low, in rolling, decorative groove penetrates readily through the first capacity layer group, makes surface layer damaged;And the first capacity layer thickness is too high then easy Intensity is not enough in itself to cause sheet material, is deformed in rolling.Likewise, the first capacity layer group and the second capacity layer group and hard The thickness of basic unit than too low, the two buffering to Hard base layer, dispersive pressure effect it is not enough, Hard base layer is susceptible to stress Fracture;And the first capacity layer group is too high with the second capacity layer group thickness, intensity is not enough in itself to be easily caused sheet material, in rolling Deform.Particularly the first capacity layer group with the second capacity layer group because thermal expansion contracting coefficient is higher with Hard base layer gap, such as First capacity layer group is excessive with the second capacity layer group thickness, and three is asynchronous because of the amount of increase that temperature, humidity change occur, and finally leads Cause the disintegration of each interlayer of sheet material, separate.Particularly, the first capacity layer group is not fully consistent with the thickness of the second capacity layer group. Specifically, when the thickness of sheet material is relatively low, the first capacity layer group can be more close with the thickness of the second capacity layer group;And sheet material Thickness it is higher when the first capacity layer group with the second capacity layer group because degree affected by environment itself is inconsistent, hot expansion-contraction degree Different and sheet material both sides are produced with different active forces, for the shape that maintains sheet material, then the second capacity layer group should be thicker.
Further, the thickness of the surface layer is 0.2~2mm, and the thickness of first capacity layer is 0.5~5mm, institute The second capacity layer group thickness is stated for 0.3~5mm, the groundwork thickness is 25~31mm.
After tested, the sheet material in above-mentioned specification limit, can simultaneously have light, low thickness, shape stability high, vision concurrently The features such as effect is three-dimensional.
Preferably, the depth of the decorative groove and the first capacity layer group thickness ratio are 0.3:1~0.9:1.
The ratio that decoration groove depth occupies the first capacity layer group is bigger, is more easily reduced the Stability Analysis of Structures of the first capacity layer group Property and destroy the dynamic balance between the first capacity layer group and the second capacity layer group.By long-term checking, when decorative groove depth with First capacity layer group thickness ratio is 0.3:1~0.9:When 1, especially this is than being 0.5:When 1, the first capacity layer group can be effectively maintained Structural stability, and be conducive to balancing the stress between the first capacity layer group and the second capacity layer group.
Further, also including being arranged on the bottom on the second capacity layer group surface, the thickness of bottom is consistent with surface layer.
Preferably, the surface layer includes at least one of which planer wood skin or longitudinal direction tiltedly planing wood skin or horizontal tiltedly planing wood skin.
Preferably, the Hard base layer includes at least one of which Ou Song flaggies.
It is furthermore preferred that the decorative groove is 0~20 ° with the angle of surface layer fiber.The fiber of surface layer and the first capacity layer group The angle of fiber is 0~15 °.
Decorative groove is preferably 0~20 ° with the angle of the fiber of surface layer, can effectively prevent relatively thin surface layer in compacting decorative groove When fiber be pressed down and damaged, cause the flaw of product surface.And the angle of the fiber of surface layer and the first capacity layer group fiber compared with Small, the fiber of surface layer can carry out reinforcement to the first capacity layer group, to make up the decoration affected mechanical strength of groove location.
High structural strength three-dimensional solid wood composite plate according to claim any one of 1-3, it is characterised in that:The dress Decorations groove is 0~20 ° with the angle of surface layer fiber.
A kind of forming method of such as above-mentioned high structural strength three-dimensional solid wood composite plate, including following operation:
S1. in Hard base layer two sided coatings viscose;
S2., first capacity layer group, the second capacity layer component are not fitted in the two sides of Hard base layer;
S3. first time precompressed is carried out to being fitted with the first capacity layer group, the Hard base layer of the second capacity layer group in S2;
S4. viscose is coated with the surface of the first capacity layer group, after the surface layer is fitted on the first capacity layer group surface, to it Second precompressed is carried out, the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the pressing of the second capacity layer group are integrated;
S5. the flat plate mold that burr is provided with using bottom is molded from top to the surface layer of the smooth sheet material of the monoblock, Obtain the high structural strength three-dimensional solid wood composite plate.
In general, the surface of decorative plate lines of prior art relies primarily on the rolling of the equipment such as knurling rolls forming.But It is repressed to go out to decorate the flexible volume layer quilt of groove location because Hard base layer hardness is higher while decorative groove is deeper in the present invention Sizing, when now knurling rolls march to decorative groove close region, it lacks with the local compliance capacity layer of knurling rolls contact position The space of buffering, the position internal stress is excessive and the easy conquassation of surface layer, bursts apart, or cannot form the decorative groove of stable existence.Cause This designer is specifically designed a kind of new forming method according to the above-mentioned characteristic of high structural strength three-dimensional solid wood composite plate of the present invention. In the method, the decorative groove in high structural strength three-dimensional solid wood composite plate is existing by the molding substitution once to monoblock sheet material Rolling.Molding refers to being provided with the mould of burr to the smooth sheet material of monoblock with one(The sheet material of decorative groove is not formed)Surface layer Pressed simultaneously, because now sheet material pressure is balanced, surface layer can form high depth, the decorative groove of stabilization.And in sheet material Portion's stress can be balanced mutually, overcome surface layer in the prior art easy conquassation, the technical problem burst apart because internal stress is excessive.With it is upper What the technology of stating was adapted to, the first capacity layer group of the invention, the second capacity layer group, Hard base layer, surface layer are to be bonded successively One composite board.Its reason is, the first capacity layer group occurs deformation by a relatively large margin after molding, and Hard base layer then without Deformation occurs.The corresponding first capacity layer group density of decorative groove minimum point is higher, and in long-term use, the position is easily and hard Basic unit separates, comes off or produces the bad problem such as bulge.Therefore the two needs the pressing of higher-strength to process.Surface layer is due to There is depression, the deformation of same amplitude in one capacity layer group, bond strength is higher and be not easily separate therebetween, press between the two When its condition relatively relax.Such as above-mentioned four layer material is pressed simultaneously, pressing intensity is too high easily to send out capacity layer or surface layer It is raw damaged;And press that intensity is weak, it is difficult to ensure that the bond strength of the first capacity layer and Hard base layer.Therefore the present invention first will First capacity layer group, the second capacity layer group and Hard base layer are integrated using the first time precompressed pressing of high intensity.Adopt again afterwards Surface layer is pressure bonded to plate surface with second precompressed of low intensity.In the present invention, the first capacity layer group and Hard base layer it Between binded using more viscose amounts, be conducive to improve the two between conjugation.And between surface layer and the first capacity layer group Less viscose amount should be then used, after being on the one hand conducive to control production cost, another convenience also to avoid viscose from solidifying The qualities such as influence surface layer mechanical performance, color and luster.
Further, the first time precompressed refers to use plane mould to press 30- with 8MP pressure, 8-25 DEG C of condition 45min;
Second precompressed refers to use plane mould to press 30-45s with 8MP pressure, 8-25 DEG C of condition;The mould Pressure refers to that the flat plate mold for using bottom to be provided with burr presses 5min with 8-10MP pressure, 92-97 DEG C of condition.
In the present invention, first time precompressed is low temperature and colds pressing with second precompressed, while improving the pressure of pressing, is conducive to The solidification of viscose.And the quick hot pressing for then carrying out 5min to sheet material using 92-97 DEG C is molded, at this temperature, cured is glutinous Glue and the first capacity layer group, the fiber of surface layer can occur a certain degree of softening, be conducive to determining for the first capacity layer group and surface layer Type.High temperature additionally aids re-forming for chemical bond between fiber, is conducive to keeping the solid figure of three-dimensional art decorative panel of the present invention Shape, extends its service life.Due to the constraint for having chemical bond between the first capacity layer group, the fiber of surface layer, its structure is more stable, The sheet material inside stress triggered because molding causes the first capacity layer group alteration of form can be offset to change, structure high of the invention is balanced Harmomegathus stress between each layer of intensity three-dimensional solid wood composite plate, it is to avoid product occurs warpage, interlaminar separation, bulge, rupture etc. and asks Topic.
Further, the raw material of the viscose includes white glue with vinyl and 20- of the 70-75 parts of solid content 80% by mass 30 parts of amylopectin;25 DEG C of viscosity of the viscose are 18500-22000cPa.s;Hard base layer surface coating in the S1 Viscose amount is 130-160g/m2;Surface coating viscose amount in the S4 in the first capacity layer group is 80-100g/m2
White glue with vinyl of the present invention can realize that preferably solid content has in the white glue with vinyl of 80wt% using any one commercially available prod Toughness and durability higher, the advantages of using safe and nontoxic non-ignitable, low-temperature setting, using being conducive to improving in the present invention The environmental protection characteristic of three-dimensional art decorative panel of the present invention.But the poor water resistance of white glue with vinyl, in a humid environment easily water suction and it is swollen Swollen or liquefaction, causes the deformation of high structural strength three-dimensional solid wood composite plate, interlaminar separation.Therefore it is especially added with the present invention a certain amount of Amylopectin, amylopectin can improve the viscosity of viscose, improve the viscosity of viscose;Amylopectin has relatively low moisture absorption simultaneously Property, the contact area of white glue with vinyl and air can be reduced by the filling of amylopectin, can effectively reduce the water absorption rate of viscose.Especially Preferably, weight 1-3 parts of magnesium hydroxide, 0.2-0.5 parts of ammonium chloride, 0.1-0.2 parts of acid iodide can also be contained in viscose Potassium.Magnesium hydroxide, the practicality of Potassiumiodate can strengthen the inoxidizability of viscose, be allowed to remain viscosity.And ammonium chloride then can Decentralization of the amylopectin in white glue with vinyl is improved, its conglomeration is prevented, is come off.
The present invention relative to prior art, with following beneficial effect:
1. in the centrally disposed Hard base layer of sheet material, Hard base layer can provide enough machines to the present invention for whole sheet material Tool intensity, is supported to the capacity layer in sheet material, surface layer, prevents sheet material from deforming during high pressure rolling decorative groove.
2. the present invention is arranged on the first capacity layer second capacity layer group of combination of Hard base layer both sides because its hardness is low, The pressure dissipation that roll die can be applied, it is to avoid its concentration is applied on a certain contact point of Hard base layer, effectively improves hard The weight capacity of matter basic unit, and then the thickness of Hard base layer can be reduced.Under relatively low thickness, can be formed on sheet material of the invention Deeper decoration slot texture, obtains more three-dimensional visual effect.
3. thickness of the present invention is low, structure is simplified, and the state of each interlayer is more consistent, it is not easy to because thermal expansion contracting coefficient differs And there is buckling deformation, so as to obtain more uniform, unified color and luster, it is particularly suited for the fields such as interior decoration, Furniture manufacture.
4. solid wood composite board proposed by the present invention has the brand new for being different from conventional panels, with visual stereoscopic, machine Tool intensity is high, long service life the features such as, also there is low burst size of methanal, using environmental protection, can be widely used in The fields such as house ornamentation, art work processing, commercial place decoration, urban construction.
Brief description of the drawings
Fig. 1 is profile of the invention.
Fig. 2 is structure decomposition figure of the invention.
Fig. 3 is the profile of another embodiment of the present invention.
Fig. 4 is the profile of another embodiment of the present invention.
Specific embodiment
For the ease of it will be appreciated by those skilled in the art that making to the present invention further in detail below in conjunction with accompanying drawing and embodiment Thin description:
Embodiment 1
The present embodiment provides a kind of high structural strength three-dimensional solid wood composite plate, such as Fig. 1, including Hard base layer 1, also including setting Put the first capacity layer group 2, the second capacity layer group 3 in basic unit both sides;It is respectively equipped with first capacity layer group, the second capacity layer group One layer of flexible volume layer;Also include being arranged on the surface layer 4 of the first capacity layer surface.
In the present embodiment, above-mentioned Hard base layer is commercially available Europe deals.The flexible volume layer is pine.The surface layer Natural veneer.
Further, the thickness of the surface layer 4 is 1mm, and the thickness of first capacity layer is 1mm, second capacity Layer group thickness is 1.2mm, and the groundwork thickness is 25mm.
Further, the top layer is provided with decorative groove 41, and the bottom of decorative groove is embedded in the first capacity layer group.
Further, the depth of the decorative groove and capacity layer thickness ratio are 0.3:1~0.9:1.
Further, the surface layer is one layer of planer wood skin.
The decorative groove is 0~10 ° with the angle of surface layer fiber.
Embodiment 2
Such as Fig. 2, the present embodiment provides the preparation method of the high structural strength three-dimensional solid wood composite plate of embodiment 1, specific as follows:
A. polish Europe deals, 1, and Ou Song sheet materials both sides coat viscose;
B. one layer of deal board 2, deal board 3 are respectively pasted in the both sides of Ou Song sheet materials;
C. one piece of surface of deal board 2 coats viscose wherein;
D. one layer of natural veneer 4 is pasted on the surface of above-mentioned deal board 2;
E. 101 DEG C are heated to above-mentioned sheet material under 6MP high pressures, are kept for 9 minutes;
F. above-mentioned sheet material is colded pressing 16 minutes at 5 DEG C, obtains semifinished sheet;
G. using the mould for being provided with burr, semifinished sheet is pressed 5 minutes under the pressure of 13MP, obtains the present embodiment High structural strength three-dimensional solid wood composite plate.
Embodiment 3
The present embodiment provides a kind of high structural strength three-dimensional solid wood composite plate, such as Fig. 3, including hard base 1, also including setting The first capacity layer group 2, the second capacity layer group 3 in basic unit both sides;One is respectively equipped with first capacity layer group, the second capacity layer group Layer flexible volume layer;Also include being arranged on the surface layer 4 of the first capacity layer surface.
In the present embodiment, Hard base layer is recombination plates.Capacity layer is poplar plate.
Further, the thickness of the surface layer is 2mm, and the thickness of first capacity layer is 5mm, second capacity layer Group thickness 5mm, the groundwork thickness is 31mm.
The top layer is provided with decorative groove 41, and the bottom of decorative groove is embedded in the first capacity layer group.
The depth of the decorative groove is 0.3 with capacity layer thickness ratio:1~0.9:1.
Also include being arranged on the bottom 5 on the second capacity layer group surface, the thickness of bottom is consistent with surface layer.
The surface layer includes one layer of oblique planing wood skin of transverse direction.
The decorative groove is 0~20 ° with the angle of surface layer fiber.
Embodiment 4
A kind of high structural strength three-dimensional solid wood composite plate of the present embodiment offer, such as Fig. 4, including hard base, 1, also including setting Put the first capacity layer group 2, the second capacity layer group 3 in basic unit both sides;It is respectively equipped with first capacity layer group, the second capacity layer group 2 layers of flexible volume layer;Also include being arranged on the surface layer 4 of the first capacity layer surface.
In the present embodiment, the Hard base layer is commercially available core-board, and the flexible volume layer is white Chinese parasol tree plate.
Further, the thickness of the surface layer is 0.5mm, and the thickness of first capacity layer is 3mm, second capacity Layer group thickness is 4mm, and the groundwork thickness is 30mm.
Further, the top layer is provided with decorative groove 41, and the bottom of decorative groove is embedded in the first capacity layer group.
Further, the depth of the decorative groove and capacity layer thickness ratio are 0.3:1~0.9:1.
Preferably, also including being arranged on the bottom on the second capacity layer group surface, the thickness of bottom is consistent with surface layer.
The surface layer includes one layer of oblique planing wood skin in longitudinal direction.
The decorative groove is 0~20 ° with the angle of surface layer fiber.
Embodiment 5
The present embodiment provides a kind of forming method of high structural strength three-dimensional solid wood composite plate in embodiment 1, including as follows Operation:
S1. in Hard base layer two sided coatings viscose;
S2., first capacity layer group, the second capacity layer component are not fitted in the two sides of Hard base layer;
S3. first time precompressed is carried out to being fitted with the first capacity layer group, the Hard base layer of the second capacity layer group in S2;
S4. viscose is coated with the surface of the first capacity layer group, after the surface layer is fitted on the first capacity layer group surface, to it Second precompressed is carried out, the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the pressing of the second capacity layer group are integrated;
S5. the flat plate mold that burr is provided with using bottom is molded from top to the surface layer of the smooth sheet material, is obtained The high structural strength three-dimensional solid wood composite plate.
Preferred in the present embodiment, the first time precompressed refers to use plane mould with 8MP pressure, 20 DEG C of condition pressure Close 35min;
Preferred in the present embodiment, second precompressed refers to use plane mould with 8MP pressure, 25 DEG C of condition pressure Close 30min;
It is preferred in the present embodiment, the molding refer to use bottom be provided with the flat plate mold of burr with 8-10MP pressure, 95 DEG C of condition pressing 5min.
Preferred in the present embodiment, the raw material of the viscose includes white glue with vinyl of 75 parts of solid contents in 80wt% by mass And 25 parts of amylopectin;25 DEG C of viscosity of the viscose are 20000cpa.s;The viscose of Hard base layer surface coating in the S1 It is 150g/m to measure2;Surface coating viscose amount in the S4 in the first capacity layer group is 90g/m2
Also magnesium hydroxide, 0.4 part of ammonium chloride, 0.2 part of Potassiumiodate containing 2 parts of weight in viscose.
Embodiment 6
The present embodiment provides a kind of forming method of high structural strength three-dimensional solid wood composite plate in embodiment 1, including as follows Operation:
S1. in Hard base layer two sided coatings viscose;
S2., first capacity layer group, the second capacity layer component are not fitted in the two sides of Hard base layer;
S3. first time precompressed is carried out to being fitted with the first capacity layer group, the Hard base layer of the second capacity layer group in S2;
S4. viscose is coated with the surface of the first capacity layer group, after the surface layer is fitted on the first capacity layer group surface, to it Second precompressed is carried out, the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the pressing of the second capacity layer group are integrated;
S5. the flat plate mold that burr is provided with using bottom is molded from top to the surface layer of the smooth sheet material, is obtained The high structural strength three-dimensional solid wood composite plate.
Preferred in the present embodiment, the first time precompressed refers to use plane mould with 8MP pressure, 25 DEG C of condition pressure Close 30min;
Preferred in the present embodiment, second precompressed refers to use plane mould with 8MP pressure, 17 DEG C of condition pressure Close 30min;
Preferred in the present embodiment, the molding refers to use bottom to be provided with the flat plate mold of burr with 10MP pressure, 97 DEG C condition pressing 5min.
Preferred in the present embodiment, the raw material of the viscose includes white glue with vinyl of 70 parts of solid contents in 80wt% by mass And 30 parts of amylopectin;25 DEG C of viscosity of the viscose are 18500cpa.s;The viscose of Hard base layer surface coating in the S1 It is 160g/m to measure2;Surface coating viscose amount in the S4 in the first capacity layer group is 80g/m2
Also contain also NaOH, 0.2 part of Potassiumiodate containing 2 parts of weight in weight viscose in viscose..
Embodiment 7
The present embodiment provides a kind of forming method of high structural strength three-dimensional solid wood composite plate in embodiment 1, including as follows Operation:
S1. in Hard base layer two sided coatings viscose;
S2., first capacity layer group, the second capacity layer component are not fitted in the two sides of Hard base layer;
S3. first time precompressed is carried out to being fitted with the first capacity layer group, the Hard base layer of the second capacity layer group in S2;
S4. viscose is coated with the surface of the first capacity layer group, after the surface layer is fitted on the first capacity layer group surface, to it Second precompressed is carried out, the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the pressing of the second capacity layer group are integrated;
S5. the flat plate mold that burr is provided with using bottom is molded from top to the surface layer of the smooth sheet material, is obtained The high structural strength three-dimensional solid wood composite plate.
Preferred in the present embodiment, the first time precompressed refers to use plane mould with 8MP pressure, 8 DEG C of condition pressure Close 45min;
Preferred in the present embodiment, second precompressed refers to use plane mould with 8MP pressure, 9 DEG C of condition pressure Close 31min;
Preferred in the present embodiment, the molding refers to use bottom to be provided with the flat plate mold of burr with 10MP pressure, 94 DEG C condition pressing 5min.
It is preferred in the present embodiment, the raw material of the viscose include by mass 71 parts of solid contents 80% white glue with vinyl and 22 parts of amylopectin;25 DEG C of viscosity of the viscose are 18500cpa.s;The viscose amount of Hard base layer surface coating in the S1 It is 160g/m2;Surface coating viscose amount in the S4 in the first capacity layer group is 80g/m2
The present embodiment of embodiment 8 provides a kind of forming method of high structural strength three-dimensional solid wood composite plate in embodiment 1, bag Include following operation:
S1. in Hard base layer two sided coatings viscose;
S2., first capacity layer group, the second capacity layer component are not fitted in the two sides of Hard base layer;
S3. first time precompressed is carried out to being fitted with the first capacity layer group, the Hard base layer of the second capacity layer group in S2;
S4. viscose is coated with the surface of the first capacity layer group, after the surface layer is fitted on the first capacity layer group surface, to it Second precompressed is carried out, the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the pressing of the second capacity layer group are integrated;
S5. the flat plate mold that burr is provided with using bottom is molded from top to the surface layer of the smooth sheet material, is obtained The high structural strength three-dimensional solid wood composite plate.
Preferred in the present embodiment, the first time precompressed refers to use plane mould with 8MP pressure, 8-25 DEG C of condition Pressing 30-45min;
Preferred in the present embodiment, second precompressed refers to use plane mould with 8MP pressure, 11 DEG C of condition pressure Close 40min;
Preferred in the present embodiment, the molding refers to use bottom to be provided with the flat plate mold of burr with 10MP pressure, 97 DEG C condition pressing 5min.
Preferred in the present embodiment, the raw material of the viscose includes white glue with vinyl of 75 parts of solid contents in 80wt% by mass And 27 parts of amylopectin;25 DEG C of viscosity of the viscose are 19000cpa.s;The viscose of Hard base layer surface coating in the S1 It is 140g/m to measure2;Surface coating viscose amount in the S4 in the first capacity layer group is 90g/m2
Comparative example 1
This comparative example provides a kind of high structural strength three-dimensional solid wood composite plate, including the basic unit that is made of Scrimber and covers Cover the natural wood cortex in basic unit side.Wooden skin thickness is 6mm.The natural wood cortex is planer wood skin.
The sheet material is the commercially available white glue with vinyl of 80wt% by solid content(25 DEG C of viscosity 20000cpa.s)After bonding, pressed with 9MP Power presses sizing at 20 DEG C.Then using radius in the knurling rolls of 150mm, suppress depth in 3- on its wood skin layer at 97 DEG C The dimpled grain of 4mm.
Durability test
The product of comparative example and embodiment is pasted onto in a metope, applies following experiment conditions to it successively:
A.30 DEG C, relative humidity 80%, shading treatment 1000 hours;
B.8 DEG C, relative humidity 65%, shading treatment 1000 hours;
C.55 DEG C, relative humidity 90%, is filled with oxygen volume during oxygen makes air and is processed up to the xenon lamp aging case of 80%, 1KW 3000 hours;
D.45 DEG C, relative humidity 10%, 2KW sodium vapor lamps irradiate 1000 hours.
The outward appearance of each experimental group dalle is recorded, as shown in table 1.
The durability test result of table 1
Experimental group A is tested B is tested C is tested D is tested
Embodiment 2 Volumetric expansion, edge There is warpage, first Capacity layer group and hard Basic unit edge occurs to divide From, gap Decoration slot texture is clear It is clear, uniform in color, the One capacity layer group with it is hard Matter basic unit edge occurs Separation, gap Volumetric expansion, edge There is warpage, first Capacity layer group and hard Basic unit edge occurs to divide From, gap, surface layer goes out Existing bubbling, crack;Dress Decorations trench bottom occurs big Amount crackle Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, Bubbling etc. is bad existing As;Decoration trench bottom There is a small amount of crackle
Embodiment 5 Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, Bubbling etc. is bad existing As the smooth nothing of surface layer Crackle Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, Bubbling etc. is bad existing As the smooth nothing of surface layer Crackle
Embodiment 6 Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling The junction of each layer goes out Existing crackle, bubbling, face Can be shelled at layer edge Fall;Portioned product is sent out Raw interlaminar separation, sticks Glue loses viscosity, is in It is powdered to come off Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, Bubbling etc. is bad existing As the smooth nothing of surface layer Crackle
Embodiment 7 Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling The junction of each layer goes out Existing crackle, bubbling, face Can be shelled at layer edge Fall;Portioned product is sent out Raw interlaminar separation, sticks Glue loses viscosity, has Graininess colloid comes off Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, Bubbling etc. is bad existing As the smooth nothing of surface layer Crackle
Embodiment 8 Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, The bad phenomenons such as bubbling The junction of each layer goes out Existing crackle, bubbling, face Can be shelled at layer edge Fall;Portioned product is sent out Raw interlaminar separation, sticks Glue loses viscosity, is in It is powdered to come off Decoration slot texture is clear Clear, uniform in color is whole Body it is smooth without warpage, Bubbling etc. is bad existing As the smooth nothing of surface layer Crackle
Comparative example 1 Surface layer lines is fuzzy, There are a large amount of bubblings; The edge of each layer occurs Separate;Sheet edge There is corrosion phenomenon; Edge deformation is serious, Depart from from metope Surface layer lines is fuzzy, There are a large amount of crackles Surface layer lines is fuzzy, There are a large amount of crackles, Sheet deformation it is serious and Come off from metope Surface layer lines is fuzzy, There are a large amount of crackles
Quantitative measurement
The said goods are tested using standard GB/T/T 24137-2009, its result such as table 2.
The quantitative measurement result of table 2
Experimental group Expansion rate of water absorption % Flexural strength, MPA Dimensional stability, % Burst size of methanal, mg/l
Embodiment 2 0.5 31.8±0.36 1.3 0.02
Embodiment 5 0.2 36.2±0.44 1.1 0.01
Embodiment 6 0.2 35.9±0.18 0.9 0.01
Embodiment 7 0.3 33.5±0.62 1.0 0.02
Embodiment 8 0.1 37.1±0.11 0.7 0.01
Comparative example 1 1.3 15.3±0.41 1.8 0.50
It is above wherein specific implementation of the invention, its description is more specific and detailed, but can not therefore manage Solution is the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, not departing from On the premise of present inventive concept, various modifications and improvements can be made, these obvious alternative forms belong to this hair Bright protection domain.

Claims (11)

1. a kind of high structural strength three-dimensional solid wood composite plate, including Hard base layer(1), it is characterised in that:Also include being arranged on base First capacity layer group of layer both sides(2), the second capacity layer group(3);Be respectively equipped with first capacity layer group, the second capacity layer group to Few one layer of flexible volume layer;Also include being arranged on the surface layer of the first capacity layer surface(4);The surface layer is provided with decorative groove (41), the bottom of decorative groove is embedded in the first capacity layer group;Its preparation method, including following operation:
S1. in Hard base layer two sided coatings viscose;
S2., first capacity layer group, the second capacity layer component are not fitted in the two sides of Hard base layer;
S3. first time precompressed is carried out to being fitted with the first capacity layer group, the Hard base layer of the second capacity layer group in S2;
S4. viscose is coated with the surface of the first capacity layer group, after the surface layer is fitted on the first capacity layer group surface, it is entered OK
Second precompressed, the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the pressing of the second capacity layer group are integrated;
S5. the flat plate mold that burr is provided with using bottom is molded from top to the surface layer of the smooth sheet material, obtains described High structural strength three-dimensional solid wood composite plate;The raw material of the viscose by mass include 70-75 parts of solid content 80% it is white Latex and 20-30 parts of amylopectin, 1-3 parts of magnesium hydroxide, 0.2-0.5 parts of ammonium chloride, 0.1-0.2 parts of acid iodide Potassium;25 DEG C of viscosity of the viscose are 18500-22000cpa.s;The viscose amount of Hard base layer surface coating in the S1 It is 130-160g/m2;Surface coating viscose amount in the S4 in the first capacity layer group is 80-100g/m2
2. the high structural strength three-dimensional solid wood composite plate according to claim 1, it is characterised in that:The surface layer, first Capacity layer group thickness ratio is 1:5:~2:6 ;The first capacity layer group is 0.8 with the second capacity layer group thickness ratio:1~ 1:1 ;The first capacity layer group is 1 with Hard base layer thickness ratio:4~1:7.
3. the high structural strength three-dimensional solid wood composite plate according to claim 2, it is characterised in that:The decorative groove Depth is 0.3 with the first capacity layer group thickness ratio:1~0.9:1.
4. the high structural strength three-dimensional solid wood composite plate according to claim any one of 1-3, it is characterised in that:It is described Surface layer includes at least one of which planer wood skin or longitudinal direction tiltedly planing wood skin or horizontal tiltedly planing wood skin.
5. the high structural strength three-dimensional solid wood composite plate according to claim 4, it is characterised in that:The Hard base layer Including at least one of which Ou Song flaggies.
6. the high structural strength three-dimensional solid wood composite plate according to claim any one of 1-3, it is characterised in that:It is described Decorative groove is 0~20 ° with the angle of surface layer fiber.
CN201510255575.2A 2015-05-19 2015-05-19 A kind of high structural strength three-dimensional solid wood composite plate and its forming method CN104924369B (en)

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CN106003271A (en) * 2016-05-18 2016-10-12 詹雄光 Flame-retardant, high-strength and three-dimensional solid wood board and manufacturing method thereof
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