CN104924369A - High-structural-strength three-dimensional solid wood composite board and forming method thereof - Google Patents

High-structural-strength three-dimensional solid wood composite board and forming method thereof Download PDF

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Publication number
CN104924369A
CN104924369A CN201510255575.2A CN201510255575A CN104924369A CN 104924369 A CN104924369 A CN 104924369A CN 201510255575 A CN201510255575 A CN 201510255575A CN 104924369 A CN104924369 A CN 104924369A
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layer
capacity
capacity layer
hard base
solid wood
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CN201510255575.2A
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Chinese (zh)
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CN104924369B (en
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詹雄光
颜宝娟
罗俊光
黄远林
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詹雄光
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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 invention discloses a high-structural-strength three-dimensional solid wood composite board which comprises a hard base layer and further comprises a first capacity layer group, a second capacity layer group and a surface layer, wherein the first capacity layer group and the second capacity layer group are arranged on the two sides of the base layer, wherein each of the first capacity layer group and the second capacity layer group is provided with at least one flexible capacity layer; the surface layer is arranged on the surface of the first capacity layer; a decoration groove is formed in the surface layer; and the bottom of the decoration groove is embedded into the first capacity layer group. The hard base layer can provide enough mechanical strength for the whole board and support the capacity layers and the surface layer in the board, so as to prevent the board from deforming in the process of making the decoration groove under high pressure. The solid wood composite board provided by the invention has a brand-new structure different from that of a conventional board, has the characteristics of stereoscopic vision, high mechanical strength and long service life, further has the advantages of low formaldehyde release amount and environment friendliness in use and can be widely applied to the fields of home decoration, artwork processing, commercial place decoration and municipal construction.

Description

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

Technical field

The present invention relates to a kind of dalle technical field, concrete a kind of high structural strength three-dimensional solid wood composite plate and forming method thereof.

Background technology

Furniture decoration board on current market has two kinds, and a kind of is traditional planar decorating plate, and another is three-dimensional decorative panel.Traditional plane decoration poor visual effect, without third dimension, cannot meet the demand in market, the decorative panel of new generation with 3D effect has very strong stereoeffect, is more and more subject to the welcome of consumers in general.In prior art, generally adopt special equipment in substrate surface milling or dig three-dimensional contouring, then glue spraying plastic uptake or pad pasting again, final acquisition surface has the dalle of cubic texture.Although this manufacturing process can form solid grain on sheet material, based on the restriction of milling technique, its thickness to sheet material itself, hardness, suppleness have higher requirement, cause cost to be difficult to control.This manufacturing process is comparatively complicated, and product quality cannot accurately management and control, and production efficiency is difficult to improve.In addition, the fibre structure of above-mentioned processing damage sheet material itself, sheet material is formed a large amount of stress points, make the easy stress of sheet material and breakage, warpage.

Notification number be 203576005 Chinese invention a kind of 3D three-dimensional decorative panel is disclosed, it forms three-dimensional pattern by roll extrusion on sheet material.Due to without the need to carrying out the operations such as milling to sheet material, this technical scheme can maintain the integrality of the fibre structure of sheet material own, so improve product mechanical strength, avoid product stress and be out of shape, damaged.But the requirement of this technology to the quality of sheet material own is higher, multilayer material need be adopted to glue together, bonding makes, the high and complex manufacturing technology of sheet material of cost.Generally speaking, for increase lines the degree of depth, improve its third dimension, need in rolling step, adopt higher pressure.And in rolling process, knurling rolls and sheet material localized contact.Bear larger pressure with the sheet material of knurling rolls contact site relative to other positions, due to now sheet material unbalance stress everywhere, internal stress is difficult to balance and easily ruptures.Need to possess high weight capacity for the sheet material of roll extrusion in prior art.For improving sheet material in rolling process emphasis weight capacity, the thickness of this technology sheet material is higher, and practical application is comparatively inconvenient.And when the sheet metal thickness in this technology is lower, roll extrusion strength enhancing then must cause sheet material cannot load-bearing and breaking.Meanwhile, the degree varies that multi-level material contacts with external environment due to layer each in use procedure, make the state of each interlayer be difficult to remain consistent, final products are easily out of shape because of interlayer unbalance stress.

Therefore, how to design a kind of visual effect solid, low thickness, high strength, distortion-free art decoration, become problem demanding prompt solution.

Summary of the invention

In view of this, the present invention discloses a kind of visual effect solid, low thickness, high strength, distortion-free art decoration.

A kind of high structural strength three-dimensional solid wood composite plate, comprises Hard base layer, also comprises the first capacity layer group, the second capacity layer group that are arranged on basic unit both sides; At least one deck flexible volume layer is respectively equipped with in first capacity layer group, the second capacity layer group; Also comprise the surface layer being arranged on the first capacity layer surface; Described top layer is provided with decorative groove, and the bottom of decorative groove embeds in described first capacity layer group.

Hard base layer alleged by the present invention, can select any one hard material to make, as Europe deals, the Scrimber of prior art.Described layer flexible volume layer can adopt any one low-density, comparatively soft material is made, the material of air-dry density as low in poplar, pine etc.Surface layer then can select commercially available Recombinant Wood section or natural veneer to make, its printable surface decorative pattern, pattern.Decorative groove is shaping by being embossed on surface layer.The present invention arranges Hard base layer at the center of sheet material, and Hard base layer can provide enough mechanical strengths for whole sheet material, supports the capacity layer in sheet material, surface layer, prevents sheet material to be out of shape in the process of high pressure rolling decorative groove.And the first capacity layer being arranged on Hard base layer both sides to combine the second capacity layer group low due to its hardness, mould applied pressure can be disperseed, avoids pressure to concentrate and be applied on a certain contact point of Hard base layer.This technical scheme effectively can improve the weight capacity of Hard base layer, and then realizes reducing Hard base layer thickness, making product more lightweight.Under lower thickness, sheet material of the present invention can be formed darker decorative groove lines, obtain more three-dimensional visual effect.Because thickness of the present invention is low, structure is simplified, the state of each interlayer is more consistent, is not easy because hot harmomegathus coefficient differs and buckling deformation occurs, thus obtains more even, unified color and luster, is particularly useful for the field such as interior decoration, Furniture manufacture.

Further, described surface layer, the first capacity layer group Thickness Ratio are 1:5: ~ 2:6; Described first capacity layer group and the second capacity layer group Thickness Ratio are 0.8:1 ~ 1:1; Described first capacity layer group and Hard base layer Thickness Ratio are 1:4 ~ 1:7.

The effect of the first capacity layer group mainly supports, holds the surface layer of rolled depression, as lower in the first capacity layer group thickness, and when roll extrusion, decorative groove easily penetrates the first capacity layer group, makes surface layer damaged; First capacity layer thickness is too high, easily causes the intensity of sheet material own not enough, deforms when roll extrusion.Same, the Thickness Ratio of the first capacity layer group and the second capacity layer group and Hard base layer is too low, and the effect of the two buffering to Hard base layer, dispersive pressure is not enough, and Hard base layer easily stress fracture occurs; First capacity layer group and the second capacity layer group thickness too high, easily cause the intensity of sheet material own not enough, deform when roll extrusion.Particularly the first capacity layer group and the second capacity layer group due to hot harmomegathus coefficient and Hard base layer gap higher, as the first capacity layer group and the second capacity layer group thickness excessive, the amount of increase that the change of three Yin Wendu, humidity occurs is asynchronous, finally causes the disintegration of each interlayer of sheet material, separation.Especially, the thickness of the first capacity layer group and the second capacity layer group not quite identical.Specifically, when the thickness of sheet material is lower, the thickness of the first capacity layer group and the second capacity layer group can be comparatively close; And the thickness of sheet material higher time the first capacity layer group and the second capacity layer group cause because of degree varies affected by environment itself, hot expansion-contraction degree is different and produce different active forces to sheet material both sides, and in order to maintain the shape of sheet material, then the second capacity layer group should be thicker.

Further, the thickness of described surface layer is 0.2 ~ 2mm, and the thickness of described first capacity layer is 0.5 ~ 5mm, and described second capacity layer group thickness is 0.3 ~ 5mm, and described groundwork thickness is 25 ~ 31mm.

After tested, the sheet material in above-mentioned specification limit, can have the features such as light, low thickness, high shape stability, visual effect solid concurrently simultaneously.

Preferably, the degree of depth of described decorative groove and the first capacity layer group Thickness Ratio are 0.3:1 ~ 0.9:1.

The ratio that the decorative groove degree of depth occupies the first capacity layer group is larger, more easily reduces the structural stability of the first capacity layer group and the dynamic balance destroyed between the first capacity layer group and the second capacity layer group.Through long-term checking, when the degree of depth of decorative groove and the first capacity layer group Thickness Ratio are 0.3:1 ~ 0.9:1, especially this is than during for 0.5:1, effectively can maintain the structural stability of the first capacity layer group, and is conducive to the stress between balance first capacity layer group and the second capacity layer group.

Further, also comprise the bottom being arranged on the second capacity layer group surface, the thickness of bottom is consistent with surface layer.

Preferably, described surface layer comprises at least one deck planer wood skin or longitudinally tiltedly planing wood skin or laterally oblique planing wood skin.

Preferably, described Hard base layer comprises at least one deck Ou Song flaggy.

Preferred, the angle of described decorative groove and surface layer fiber is 0 ~ 20 °.The fiber of surface layer and the angle of the first capacity layer group fiber are 0 ~ 15 °.

The angle of the fiber of decorative groove and surface layer is preferably 0 ~ 20 °, thinner surface layer fiber when suppressing decorative groove effectively can being prevented to be pressed down and damaged, causing the flaw of product surface.And the angle of the fiber of surface layer and the first capacity layer group fiber is less, the fiber of surface layer can carry out reinforcement to the first capacity layer group, to make up the affected mechanical strength in decorative groove position.

High structural strength three-dimensional solid wood composite plate according to any one of claim 1-3, is characterized in that: the angle of described decorative groove and surface layer fiber is 0 ~ 20 °.

As a forming method for above-mentioned high structural strength three-dimensional solid wood composite plate, comprise following operation:

S1. at Hard base layer two sided coatings viscose;

S2. the first capacity layer group, the second capacity layer group are fitted in respectively the two sides of Hard base layer;

S3. to being fitted with the first capacity layer group in S2, the Hard base layer of the second capacity layer group carries out first time precompressed;

S4. at the surface of the first capacity layer group coating viscose, after the described surface layer of the first capacity layer group surface laminating, second time precompressed is carried out to it, by the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the second capacity layer group pressing are integrated;

S5. the flat plate mold adopting bottom to be provided with burr carries out mold pressing from top to the surface layer of the smooth sheet material of described monoblock, obtains described high structural strength three-dimensional solid wood composite plate.

Generally speaking, the surface of decorative plate lines of prior art mainly relies on the equipment roll extrusion such as knurling rolls to form.But in the present invention, due to Hard base layer hardness higher while decorative groove darker, repressed go out the flexible volume layer at decorative groove position be finalized, when now knurling rolls march to decorative groove close region, it lacks the space of buffering with the local compliance capacity layer of knurling rolls contact position, excessive and the easy conquassation of surface layer of this position internal stress, to burst apart, maybe cannot form the decorative groove of stable existence.Therefore designer is according to the above-mentioned characteristic of high structural strength three-dimensional solid wood composite plate of the present invention, a kind of new forming method of special design.In the method, the decorative groove in high structural strength three-dimensional solid wood composite plate is by once replacing existing roll extrusion to the mold pressing of monoblock sheet material.Mold pressing refers to the surface layer of mould to the smooth sheet material of monoblock (namely not forming the sheet material of decorative groove) being provided with burr with and carries out pressing simultaneously, and because now sheet material pressure is balanced, surface layer can form high depth, stable decorative groove.And sheet material internal stress can balance mutually, the technical problem of overcome the surface layer easily conquassation because internal stress is excessive in prior art, bursting apart.Adapt to above-mentioned technology, the first capacity layer group of the present invention, the second capacity layer group, Hard base layer, surface layer be bonded a composite board successively.Its reason is, after mold pressing, distortion by a relatively large margin occurs the first capacity layer group, and Hard base layer is undeformed generation then.First capacity layer group density corresponding to decorative groove minimum point is higher, and when Long-Time Service, this position is easily separated with Hard base layer, comes off or produce the bad problems such as bulge.Therefore the two needs the pressing process of higher-strength.Owing to there is depression, the deformation of same amplitude with the first capacity layer group in surface layer, bond strength is higher and be not easy to be separated therebetween, and between the two, during pressing, its condition comparatively relaxes.As above-mentioned four layer materials are carried out pressing simultaneously, there is breakage in too high capacity layer or the surface layer of easily making of pressing intensity; Pressing intensity is weak, is difficult to the bond strength guaranteeing the first capacity layer and Hard base layer.Therefore first the first capacity layer group, the second capacity layer group and Hard base layer adopt the first time precompressed pressing of high strength to be integrated by the present invention.Adopt intensity low second time precompressed that surface layer is pressure bonded to plate surface afterwards again.In the present invention, more viscose amount between the first capacity layer group and Hard base layer, is adopted to bind, the conjugation between being conducive to both improving.Then should, by less viscose amount, be conducive on the one hand controlling production cost between surface layer and the first capacity layer group, another affects the qualities such as surface layer mechanical performance, color and luster after viscose conveniently also can be avoided to solidify.

Further, described first time precompressed refers to and adopts plane mould with the condition pressing 30-45min of 8MP pressure, 8-25 DEG C;

Described second time precompressed refers to and adopts plane mould with the condition pressing 30-45s of 8MP pressure, 8-25 DEG C; Described mold pressing refers to that the flat plate mold that adopts bottom to be provided with burr is with the condition pressing 5min of 8-10MP pressure, 92-97 DEG C.

In the present invention, first time precompressed is low temperature with second time precompressed and colds pressing, and improves the pressure of pressing simultaneously, is conducive to the solidification of viscose.Mold pressing then adopts 92-97 DEG C to carry out the quick hot pressing of 5min to sheet material, and at this temperature, it is softening that the fiber through the viscose of solidification and the first capacity layer group, surface layer can occur to a certain degree, is conducive to the sizing of the first capacity layer group and surface layer.High temperature also contributes to the formation again of chemical bond between fiber, is conducive to the three-dimensional shape keeping three-dimensional art decorative panel of the present invention, extends its service life.The constraint of chemical bond is had between the fiber due to the first capacity layer group, surface layer, its structure is more stable, the inner stressed change of the sheet material caused because mold pressing causes the first capacity layer group alteration of form can be offset, balance the harmomegathus stress between each layer of high structural strength three-dimensional solid wood composite plate of the present invention, the problem such as avoid product generation warpage, interlaminar separation, bulge, break.

Further, the raw material of described viscose comprise by mass 70-75 part solid content 80% white glue with vinyl and 20-30 part amylopectin; 25 DEG C of viscosity of described viscose are 18500-22000cPa.s; In described S1, the viscose amount of Hard base layer surface coating is 130-160g/m 2; Being coated with viscose amount on the surface of the first capacity layer group in described S4 is 80-100g/m 2.

White glue with vinyl of the present invention can adopt any one commercially available prod to realize, be preferably the white glue with vinyl of solid content at 80wt%, there is higher toughness and durability, use safety, nontoxicly not fire, the advantage such as low-temperature setting, use and be conducive to the environmental protection characteristic improving three-dimensional art decorative panel of the present invention in the present invention.But the poor water resistance of white glue with vinyl, easily absorbs water in a humid environment and expand or liquefaction, cause the distortion of high structural strength three-dimensional solid wood composite plate, interlaminar separation.Therefore a certain amount of amylopectin of special interpolation in the present invention, amylopectin can improve the viscosity of viscose, improves the viscosity of viscose; Simultaneously amylopectin has lower hygroscopicity, can reduce the contact area of white glue with vinyl and air, effectively can reduce the water absorption rate of viscose through the filling of amylopectin.Particularly preferred, magnesium hydroxide, the ammonium chloride of 0.2-0.5 part, the Potassiumiodate of 0.1-0.2 part of weight 1-3 part can also be contained in viscose.The practicality of magnesium hydroxide, Potassiumiodate can strengthen the non-oxidizability of viscose, makes it to remain viscosity.Ammonium chloride then can improve the decentralization of amylopectin in white glue with vinyl, prevents its conglomeration, comes off.

The present invention, relative to prior art, has following beneficial effect:

1. the present invention arranges Hard base layer at the center of sheet material, and Hard base layer can provide enough mechanical strengths for whole sheet material, supports the capacity layer in sheet material, surface layer, prevents sheet material to be out of shape in the process of high pressure rolling decorative groove.

2. the first capacity layer that the present invention is arranged on Hard base layer both sides combine the second capacity layer group due to its hardness low, roll die applied pressure can be disperseed, avoiding it to concentrate is applied on a certain contact point of Hard base layer, the weight capacity of effective raising Hard base layer, and then the thickness of Hard base layer can be reduced.Under lower thickness, sheet material of the present invention can be formed darker decorative groove lines, obtain more three-dimensional visual effect.

3. low, the structure of thickness of the present invention is simplified, and the state of each interlayer is more consistent, is not easy because hot harmomegathus coefficient differs and buckling deformation occurs, thus obtains more even, unified color and luster, is particularly useful for the field such as interior decoration, Furniture manufacture.

4. the solid wood composite board that the present invention proposes has the brand new being different from conventional panels, there is the features such as visual stereoscopic, mechanical strength are high, long service life, also there is low burst size of methanal, use the advantages such as environmental protection, the fields such as house ornamentation, art work processing, commercial place decoration, urban construction can be widely used in.

Accompanying drawing explanation

Fig. 1 is profile of the present invention.

Fig. 2 is STRUCTURE DECOMPOSITION figure of the present 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.

Detailed description of the invention

The present invention to be described in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that:

Embodiment 1

The present embodiment provides a kind of high structural strength three-dimensional solid wood composite plate, as Fig. 1, comprises Hard base layer 1, also comprises the first capacity layer group 2, the second capacity layer group 3 being arranged on basic unit both sides; One deck flexible volume layer is respectively equipped with in first capacity layer group, the second capacity layer group; Also comprise the surface layer 4 being arranged on the first capacity layer surface.

In the present embodiment, above-mentioned Hard base layer is commercially available Europe deals.Described flexible volume layer is pine.The natural veneer of described surface layer.

Further, the thickness of described surface layer 4 is 1mm, and the thickness of described first capacity layer is 1mm, and described second capacity layer group thickness is 1.2mm, and described groundwork thickness is 25mm.

Further, described top layer is provided with decorative groove 41, and the bottom of decorative groove embeds in described first capacity layer group.

Further, the degree of depth of described decorative groove and capacity layer Thickness Ratio are 0.3:1 ~ 0.9:1.

Further, described surface layer is one deck planer wood skin.

The angle of described decorative groove and surface layer fiber is 0 ~ 10 °.

Embodiment 2

As Fig. 2, the present embodiment provides the preparation method of embodiment 1 high structural strength three-dimensional solid wood composite plate, specific as follows:

A. to polish Europe deals, 1, and at the coating on both sides viscose of Ou Song sheet material;

B. one deck deal board 2, deal board 3 is respectively pasted in the both sides of Ou Song sheet material;

C. the surface of one piece of deal board 2 applies viscose wherein;

D. one deck natural veneer 4 is pasted on the surface of above-mentioned deal board 2;

E. under 6MP high pressure, 101 DEG C are heated to above-mentioned sheet material, keep 9 minutes;

F. at 5 DEG C, above-mentioned sheet material is colded pressing 16 minutes, obtain semifinished sheet;

G. adopt the mould being provided with burr, under the pressure of 13MP, semifinished sheet is exerted pressure 5 minutes, obtain the high structural strength three-dimensional solid wood composite plate of the present embodiment.

Embodiment 3

The present embodiment provides a kind of high structural strength three-dimensional solid wood composite plate, as Fig. 3, comprises hard base 1, also comprises the first capacity layer group 2, the second capacity layer group 3 being arranged on basic unit both sides; One deck flexible volume layer is respectively equipped with in first capacity layer group, the second capacity layer group; Also comprise the surface layer 4 being arranged on the first capacity layer surface.

In the present embodiment, Hard base layer is recombination plates.Capacity layer is poplar plate.

Further, the thickness of described surface layer is 2mm, and the thickness of described first capacity layer is 5mm, and described second capacity layer group thickness 5mm, described groundwork thickness is 31mm.

Described top layer is provided with decorative groove 41, and the bottom of decorative groove embeds in described first capacity layer group.

The degree of depth of described decorative groove and capacity layer Thickness Ratio are 0.3:1 ~ 0.9:1.

Also comprise the bottom 5 being arranged on the second capacity layer group surface, the thickness of bottom is consistent with surface layer.

Described surface layer comprises one deck laterally oblique planing wood skin.

The angle of described decorative groove and surface layer fiber is 0 ~ 20 °.

Embodiment 4

The present embodiment provides a kind of high structural strength three-dimensional solid wood composite plate, as Fig. 4, comprises hard base, 1, also comprises the first capacity layer group 2, the second capacity layer group 3 being arranged on basic unit both sides; 2 layers of flexible volume layer are respectively equipped with in first capacity layer group, the second capacity layer group; Also comprise the surface layer 4 being arranged on the first capacity layer surface.

In the present embodiment, described Hard base layer is commercially available core-board, and described flexible volume layer is white Chinese parasol tree plate.

Further, the thickness of described surface layer is 0.5mm, and the thickness of described first capacity layer is 3mm, and described second capacity layer group thickness is 4mm, and described groundwork thickness is 30mm.

Further, described top layer is provided with decorative groove 41, and the bottom of decorative groove embeds in described first capacity layer group.

Further, the degree of depth of described decorative groove and capacity layer Thickness Ratio are 0.3:1 ~ 0.9:1.

Preferably, also comprise the bottom being arranged on the second capacity layer group surface, the thickness of bottom is consistent with surface layer.

Described surface layer comprises one deck longitudinally oblique planing wood skin.

The angle of described decorative groove and surface layer fiber is 0 ~ 20 °.

Embodiment 5

The present embodiment provides the forming method of high structural strength three-dimensional solid wood composite plate in a kind of embodiment 1, comprises following operation:

S1. at Hard base layer two sided coatings viscose;

S2. the first capacity layer group, the second capacity layer group are fitted in respectively the two sides of Hard base layer;

S3. to being fitted with the first capacity layer group in S2, the Hard base layer of the second capacity layer group carries out first time precompressed;

S4. at the surface of the first capacity layer group coating viscose, after the described surface layer of the first capacity layer group surface laminating, second time precompressed is carried out to it, by the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the second capacity layer group pressing are integrated;

S5. the flat plate mold adopting bottom to be provided with burr carries out mold pressing from top to the surface layer of described smooth sheet material, obtains described high structural strength three-dimensional solid wood composite plate.

Preferred in the present embodiment, described first time precompressed refers to and adopts plane mould with 8MP pressure, the condition pressing 35min of 20 DEG C;

Preferred in the present embodiment, described second time precompressed refers to and adopts plane mould with 8MP pressure, the condition pressing 30min of 25 DEG C;

Preferred in the present embodiment, described mold pressing refers to that the flat plate mold that adopts bottom to be provided with burr is with 8-10MP pressure, the condition pressing 5min of 95 DEG C.

Preferred in the present embodiment, the raw material of described viscose comprises 75 parts of solid contents by mass at the white glue with vinyl of 80wt% and 25 parts of amylopectin; 25 DEG C of viscosity of described viscose are 20000cpa.s; In described S1, the viscose amount of Hard base layer surface coating is 150g/m 2; Being coated with viscose amount on the surface of the first capacity layer group in described S4 is 90g/m 2.

Magnesium hydroxide, the ammonium chloride of 0.4 part, the Potassiumiodate of 0.2 part also containing weight 2 parts in viscose.

Embodiment 6

The present embodiment provides the forming method of high structural strength three-dimensional solid wood composite plate in a kind of embodiment 1, comprises following operation:

S1. at Hard base layer two sided coatings viscose;

S2. the first capacity layer group, the second capacity layer group are fitted in respectively the two sides of Hard base layer;

S3. to being fitted with the first capacity layer group in S2, the Hard base layer of the second capacity layer group carries out first time precompressed;

S4. at the surface of the first capacity layer group coating viscose, after the described surface layer of the first capacity layer group surface laminating, second time precompressed is carried out to it, by the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the second capacity layer group pressing are integrated;

S5. the flat plate mold adopting bottom to be provided with burr carries out mold pressing from top to the surface layer of described smooth sheet material, obtains described high structural strength three-dimensional solid wood composite plate.

Preferred in the present embodiment, described first time precompressed refers to and adopts plane mould with 8MP pressure, the condition pressing 30min of 25 DEG C;

Preferred in the present embodiment, described second time precompressed refers to and adopts plane mould with 8MP pressure, the condition pressing 30min of 17 DEG C;

Preferred in the present embodiment, described mold pressing refers to that the flat plate mold that adopts bottom to be provided with burr is with 10MP pressure, the condition pressing 5min of 97 DEG C.

Preferred in the present embodiment, the raw material of described viscose comprises 70 parts of solid contents by mass at the white glue with vinyl of 80wt% and 30 parts of amylopectin; 25 DEG C of viscosity of described viscose are 18500cpa.s; In described S1, the viscose amount of Hard base layer surface coating is 160g/m 2; Being coated with viscose amount on the surface of the first capacity layer group in described S4 is 80g/m 2.

Also also the NaOH of weight 2 parts, the Potassiumiodate of 0.2 part is contained containing in weight viscose in viscose.。

Embodiment 7

The present embodiment provides the forming method of high structural strength three-dimensional solid wood composite plate in a kind of embodiment 1, comprises following operation:

S1. at Hard base layer two sided coatings viscose;

S2. the first capacity layer group, the second capacity layer group are fitted in respectively the two sides of Hard base layer;

S3. to being fitted with the first capacity layer group in S2, the Hard base layer of the second capacity layer group carries out first time precompressed;

S4. at the surface of the first capacity layer group coating viscose, after the described surface layer of the first capacity layer group surface laminating, second time precompressed is carried out to it, by the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the second capacity layer group pressing are integrated;

S5. the flat plate mold adopting bottom to be provided with burr carries out mold pressing from top to the surface layer of described smooth sheet material, obtains described high structural strength three-dimensional solid wood composite plate.

Preferred in the present embodiment, described first time precompressed refers to and adopts plane mould with 8MP pressure, the condition pressing 45min of 8 DEG C;

Preferred in the present embodiment, described second time precompressed refers to and adopts plane mould with 8MP pressure, the condition pressing 31min of 9 DEG C;

Preferred in the present embodiment, described mold pressing refers to that the flat plate mold that adopts bottom to be provided with burr is with 10MP pressure, the condition pressing 5min of 94 DEG C.

Preferred in the present embodiment, the raw material of described viscose comprise by mass 71 parts of solid contents 80% white glue with vinyl and 22 parts of amylopectin; 25 DEG C of viscosity of described viscose are 18500cpa.s; In described S1, the viscose amount of Hard base layer surface coating is 160g/m 2; Being coated with viscose amount on the surface of the first capacity layer group in described S4 is 80g/m 2.

Embodiment 8 the present embodiment provides the forming method of high structural strength three-dimensional solid wood composite plate in a kind of embodiment 1, comprises following operation:

S1. at Hard base layer two sided coatings viscose;

S2. the first capacity layer group, the second capacity layer group are fitted in respectively the two sides of Hard base layer;

S3. to being fitted with the first capacity layer group in S2, the Hard base layer of the second capacity layer group carries out first time precompressed;

S4. at the surface of the first capacity layer group coating viscose, after the described surface layer of the first capacity layer group surface laminating, second time precompressed is carried out to it, by the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the second capacity layer group pressing are integrated;

S5. the flat plate mold adopting bottom to be provided with burr carries out mold pressing from top to the surface layer of described smooth sheet material, obtains described high structural strength three-dimensional solid wood composite plate.

Preferred in the present embodiment, described first time precompressed refers to and adopts plane mould with the condition pressing 30-45min of 8MP pressure, 8-25 DEG C;

Preferred in the present embodiment, described second time precompressed refers to and adopts plane mould with 8MP pressure, the condition pressing 40min of 11 DEG C;

Preferred in the present embodiment, described mold pressing refers to that the flat plate mold that adopts bottom to be provided with burr is with 10MP pressure, the condition pressing 5min of 97 DEG C.

Preferred in the present embodiment, the raw material of described viscose comprises 75 parts of solid contents by mass at the white glue with vinyl of 80wt% and 27 parts of amylopectin; 25 DEG C of viscosity of described viscose are 19000cpa.s; In described S1, the viscose amount of Hard base layer surface coating is 140g/m 2; Being coated with viscose amount on the surface of the first capacity layer group in described S4 is 90g/m 2.

Comparative example 1

This comparative example provides a kind of high structural strength three-dimensional solid wood composite plate, comprises the basic unit that Scrimber is made and the natural wood cortex covering basic unit side.Wood skin thickness is 6mm.Described natural wood cortex is planer wood skin.

After this sheet material is bondd by the commercially available white glue with vinyl (25 DEG C of viscosity 20000cpa.s) that solid content is 80wt%, with the pressing sizing at 20 DEG C of 9MP pressure.Then utilize radius at the knurling rolls of 150mm, on its wooden cortex, suppress the dimpled grain of the degree of depth at 3-4mm at 97 DEG C.

Durability test

The product of comparative example and embodiment is pasted onto in a metope, successively following experiment condition is applied to it:

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 and makes oxygen volume in air reach the xenon lamp aging case process 3000 hours of 80%, 1KW;

D.45 DEG C, relative humidity 10%, 2KW sodium vapor lamp irradiates 1000 hours.

Record the outward appearance of each experimental group dalle, as shown in table 1.

Table 1 durability test result

Experimental group A tests B tests C tests D tests Embodiment 2 Volumetric expansion, there is warpage in edge, the first capacity layer group is separated with Hard base layer edge, gap Decorative groove lines is clear, uniform in color, and the first capacity layer group is separated with Hard base layer edge, gap Volumetric expansion, there is warpage in edge, the first capacity layer group is separated with Hard base layer edge, gap, and bubbling, crack appear in surface layer; A large amount of crackle is there is bottom decorative groove Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling; A small amount of crackle is there is bottom decorative groove Embodiment 5 Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling Decorative groove lines is clear, uniform in color, overall leveling without the bad phenomenon such as warpage, bubbling, the smooth flawless of surface layer Decorative groove lines is clear, uniform in color, overall leveling without the bad phenomenon such as warpage, bubbling, the smooth flawless of surface layer Embodiment 6 Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling There is crackle, bubbling in the junction of each layer, surface layer edge can be peeled off; Portioned product generation interlaminar separation, viscose loses viscosity, comes off in Powdered Decorative groove lines is clear, uniform in color, overall leveling without the bad phenomenon such as warpage, bubbling, the smooth flawless of surface layer Embodiment 7 Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling There is crackle, bubbling in the junction of each layer, surface layer edge can be peeled off; Portioned product generation interlaminar separation, viscose loses viscosity, has graininess colloid to come off Decorative groove lines is clear, uniform in color, overall leveling without the bad phenomenon such as warpage, bubbling, the smooth flawless of surface layer Embodiment 8 Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling Decorative groove lines is clear, uniform in color, and overall leveling is without the bad phenomenon such as warpage, bubbling There is crackle, bubbling in the junction of each layer, surface layer edge can be peeled off; Portioned product generation interlaminar separation, viscose loses viscosity, comes off in Powdered Decorative groove lines is clear, uniform in color, overall leveling without the bad phenomenon such as warpage, bubbling, the smooth flawless of surface layer Comparative example 1 Surface layer lines is fuzzy, occur a large amount of bubbling; The edge of each layer is separated; There is corrosion phenomenon in sheet edge; Edge deformation is serious, depart from from metope Surface layer lines is fuzzy, occur a large amount of crackle Surface layer lines is fuzzy, occur a large amount of crackle, and sheet deformation is serious and come off from metope Surface layer lines is fuzzy, occur a large amount of crackle

Quantitative measurement

Adopt standard GB/T/T 24137-2009 to test the said goods, its result is as table 2.

Table 2 quantitative measurement result

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

Be more than wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction 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, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.

Claims (14)

1. a high structural strength three-dimensional solid wood composite plate, comprises Hard base layer (1), it is characterized in that: also comprise the first capacity layer group (2), the second capacity layer group (3) that are arranged on basic unit both sides; At least one deck flexible volume layer is respectively equipped with in first capacity layer group, the second capacity layer group; Also comprise the surface layer (4) being arranged on the first capacity layer surface; Described top layer is provided with decorative groove (41), and the bottom of decorative groove embeds in described first capacity layer group.
2. high structural strength three-dimensional solid wood composite plate according to claim 1, is characterized in that: described surface layer, the first capacity layer group Thickness Ratio are 1:5: ~ 2:6; Described first capacity layer group and the second capacity layer group Thickness Ratio are 0.8:1 ~ 1:1; Described first capacity layer group and Hard base layer Thickness Ratio are 1:4 ~ 1:7.
3. high structural strength three-dimensional solid wood composite plate according to claim 2, is characterized in that: the degree of depth of described decorative groove and capacity layer Thickness Ratio are 0.3:1 ~ 0.9:1.
4. the high structural strength three-dimensional solid wood composite plate according to any one of claim 1-3, is characterized in that: described surface layer comprises at least one deck planer wood skin or longitudinally tiltedly planing wood skin or laterally oblique planing wood skin.
5. high structural strength three-dimensional solid wood composite plate according to claim 4, is characterized in that: described Hard base layer comprises at least one deck Ou Song flaggy.
6. the high structural strength three-dimensional solid wood composite plate according to any one of claim 1-3, is characterized in that: the angle of described decorative groove and surface layer fiber is 0 ~ 20 °.
7. the forming method of high structural strength three-dimensional solid wood composite plate as described in claim 1-6, comprises following operation:
S1. at Hard base layer two sided coatings viscose;
S2. the first capacity layer group, the second capacity layer group are fitted in respectively the two sides of Hard base layer;
S3. to being fitted with the first capacity layer group in S2, the Hard base layer of the second capacity layer group carries out first time precompressed;
S4. at the surface of the first capacity layer group coating viscose, after the described surface layer of the first capacity layer group surface laminating, second time precompressed is carried out to it, by the smooth sheet material that surface layer, Hard base layer, the first capacity layer group, the second capacity layer group pressing are integrated;
S5. the flat plate mold adopting bottom to be provided with burr carries out mold pressing from top to the surface layer of described smooth sheet material, obtains described high structural strength three-dimensional solid wood composite plate.
8. method according to claim 6, is characterized in that: described first time precompressed refers to and adopts plane mould with the condition pressing 30-45min of 8MP pressure, 8-25 DEG C;
Described second time precompressed refers to and adopts plane mould with the condition pressing 30-45min of 8MP pressure, 8-25 DEG C;
Described mold pressing refers to that the flat plate mold that adopts bottom to be provided with burr is with the condition pressing 5min of 8-10MP pressure, 92-97 DEG C.
9. method according to claim 6, is characterized in that: the raw material of described viscose comprise by mass 70-75 part solid content 80% white glue with vinyl and 20-30 part amylopectin; 25 DEG C of viscosity of described viscose are 18500-22000cpa.s; In described S1, the viscose amount of Hard base layer surface coating is 130-160g/m 2; Being coated with viscose amount on the surface of the first capacity layer group in described S4 is 80-100g/m 2.
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
CN106003273A (en) * 2016-05-18 2016-10-12 詹雄光 Environment-friendly type solid wood board based on porous medium adsorption effect and manufacturing method thereof
CN106003272A (en) * 2016-05-18 2016-10-12 詹雄光 Air purifying type high-structural-strength and three-dimensional solid wood composite board and manufacturing method thereof
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Inventor after: Zhan Xiongguang

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