A kind of five-layer structure printing solid wooden floor board and its manufacture method
Technical field
The application is related to the technical field of solid wooden floor board structure, and in particular to a kind of five-layer structure and surface printing have wood
The structure of the solid wooden floor board of line, and its manufacture method.
Background technology
At present, there are solid wooden floor board, consolidated floor and solid wooden compound floor, solid wooden compound floor and root in the floor that in the market carries
It is divided into traditional multi-layer solid wood composite floor, emerging three-layer wood composite flooring and five layers of reality according to the timber number of plies difference of use
Wood composite floor.Solid wooden floor board is category the most environmentally friendly in various wood floors, but there is yielding, resistance to warping energy
The problem of difference, price are high low with stock utilization etc..The sense of consolidated floor solid wood is not strong, adhesive dosage is big, in addition domestic many
Enterprise's processing is not in place, is also easy to produce substantial amounts of formaldehyde, and indoor pollution is big, and price is high if using without aldehyde glue, with other two kinds
Floor category, which compares, loses the advantage of cost performance.In the numerous categories of solid wooden compound floor, multi-layer solid wood composite floor layer
Number is more, glue consumption is big, feel is poor;Although the three-layer wood composite flooring number of plies is few, less stable, easily there is asking for warpage
Topic.
Thus, there is five-layer solid wood composite floor board in the market, and it has the feel of solid wooden floor board, and glue-line sum is more
Layer solid wooden compound floor is few, thus has the advantages of environmentally friendly and comfortable concurrently.Solid wood as disclosed in patent CN200964682Y is compound
Floor, has five layers, first layer, third layer, layer 5 wood materials texture orientation it is consistent, the second layer, the 4th layer
The texture orientations of wood materials intersected with one, three, five layer, more excellent scheme is to be mutually perpendicular to;First layer is wood chip layer,
The second layer, the 4th layer, layer 5 be ply, third layer is finger-joint glued-laminated timber layer.Described wood chip layer is sawing piece, described
Ply is rotary-cut piece, and described finger-joint glued-laminated timber is small material small powder splicing piece.By the setting of five-layer structure, can overcome existing
The deficiency of technology, there is the characteristics of strong intensity height, anti-deformation, stock utilization high performance-price ratio height and safety and environmental protection.Upper
State in technical scheme, if the first layer material(Dash board)Using precious hardwood timber, then it is unfavorable for reducing the profit of precious hard broadleaf
With, improve the product feature of environmental protection.Using common fast growing wood as dash board material, transfer skill very ripe at present is being applied thereon
Art can meet the requirement of dicoration, feel, stability, environment-friendly type and security simultaneously.However, in fast growing wood dash board material dash board
Directly printed, it may appear that the problems such as elephant skin, oil paint cracking, this mainly due to thickness 2mm or so fast growing wood rotary-cut
Veneer sunny side has substantial amounts of cracking(It is bright to split or secretly split), and timber printing has very high requirement to material surface flatness, such as
The direct gluing of processing is compound, then the cracking of sunny side can be embodied in front and print on the elephant skin and cracking of paint film without filling up for fruit.
The content of the invention
An object of the present invention be in order to solve the above problems, it is smooth, no so as to provide a kind of printed decoration top-coat paint film
Wrinkle, without cracking, overall structure good stability of the dimension, five layers of printing solid wooden floor board of safety and environmental protection.The second object of the present invention
It is to provide the manufacture method of this kind of five-layer structure printing solid wooden floor board, the manufacture method has the spy that production efficiency is high, cost is low
Point.
The present invention above-mentioned technical purpose technical scheme is that:A kind of five-layer structure prints solid wood
Floor, dash board, upper strata core plate, core plate, lower floor's core plate and backboard, the surface of the dash board successively including mutual gluing pass through print
Brush and be covered with decorative layer, with being naturally formed with crack, the upper strata core on the side of the upper strata core plate phase gluing on the dash board
Plate includes flat bed portion and fills the glue nail portion in the crack, is the nature of same material between the flat bed portion and the glue nail portion
Connection.Wherein, the Nature Link of same material refers to that described flat bed portion and described glue nail portion are same material, and the two
It is structure as a whole, therebetween without the joint face of shaping.
As the preferred of above-mentioned technical proposal, the glue nail portion is partially filled with the crack, the flat bed portion and described
Glue nail portion is same homogeneous material.
As the preferred of above-mentioned technical proposal, the glue nail portion is filled up completely with the crack, and the upper strata core plate is formed
The metal-modified flat bed portion and mixing flat bed portion of layering, the metal-modified flat bed portion depends on the dash board back side(The table
On plate with the side of the upper strata core plate phase gluing)Surface set.
As the preferred of above-mentioned technical proposal, the thickness of the dash board is 1-2mm, and the core plate is described in Eucalyptus finger-jointed plate
Top layer, the sandwich layer are consistent with the grain of wood direction of the backboard, the grain of wood phase of lower floor's core plate and the dash board
Vertically.
As the preferred of above-mentioned technical proposal, the backboard is beech, birch or board using poplar board.
As the preferred of above-mentioned technical proposal, the thickness in the flat bed portion is 0.3-0.5mm.
As the preferred of above-mentioned technical proposal, the upper strata core plate is by passing through mixed uniformly wood fibre and adhesive group
Into;The wherein thickness of wood fibre is 40 mesh or 50 mesh, and the mass ratio of wood fibre and adhesive is 80:20-84:16.
A kind of manufacture method of five-layer structure printing solid wooden floor board, comprises the following steps,
S1. bottom plate is made in the cold pressing of the core plate, lower floor's core plate and the backboard;
S2. the bottom plate is placed in mould, the cross sectional shape of the mould is identical with the cross sectional shape of the bottom plate, will be uniform
After mixed wood fibre and adhesive are coated on the backplate surface, the dash board is placed on it;
S3. the mould for being mounted with blank is placed in press, 130-160 DEG C of hot pressing temperature, hot pressing time 5-10min, hot pressing pressure
Power 1.2MPa-1.5MPa;
S4. cooling is stood after taking out.
As the preferred of above-mentioned technical proposal, the metal-modified flat bed portion is by by mixed uniformly wood fibre, glue
Glutinous agent and iron powder composition;The wherein thickness of wood fibre is 40 mesh or 50 mesh, and the mass ratio of wood fibre and adhesive is 80:
20-84:16, iron powder addition quality accounts for the 0.08%-0.1% of gross mass.
A kind of manufacture method of five-layer structure printing solid wooden floor board, comprises the following steps,
S1. bottom plate is made in the cold pressing of the core plate, lower floor's core plate and the backboard;
S2. the bottom plate is placed in mould, the cross sectional shape of the mould is identical with the cross sectional shape of the bottom plate, will be uniform
After mixed wood fibre and adhesive are coated on the backplate surface, continue coating wood fiber, adhesive and iron powder and mix
Compound, the dash board is placed on it;
S3. the mould for making to be loaded with blank forms magnetic attraction straight up by magnetic field on the dash board surface;
S4. the mould for being mounted with blank is placed in press, 130-160 DEG C of hot pressing temperature, hot pressing time 5-10min, hot pressing pressure
Power 1.2MPa-1.5MPa;
S5. cooling is stood after taking out.
As the preferred of above-mentioned technical proposal, it is 20-30s to be loaded with time of the mould of blank under magnetic field.
In summary, the technical program a kind of five-layer structure printing solid wooden floor board have printed decoration top-coat paint film it is smooth,
It is wrinkle resistant, without cracking, the characteristics of overall structure good stability of the dimension, safety and environmental protection;Its manufacture method have production efficiency it is high, into
This is low.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the five-layer structure printing solid wooden floor board of the embodiment of the present invention 1;
Fig. 2 is another schematic diagram of the five-layer structure printing solid wooden floor board of the embodiment of the present invention 2;
In figure, 1- dash boards, 2- upper stratas core plate, 3- core plates, 4- lower floors core plate, 5- backboards, 21- flat beds portion, 22- glue nails portion, 2a- gold
The modified flat bed portion of category, 2b- mixing flat beds portion.
Embodiment
The present invention will be further described in detail for scheme below in conjunction with the accompanying drawings and preferably.
Embodiment 1:A kind of five-layer structure printing solid wooden floor board as shown in Figure 1, successively the dash board 1 including mutual gluing,
Upper strata core plate 2, core plate 3, lower floor's core plate 4 and backboard 5, dash board 1 are Eucalyptus flat-cut veneer of the thickness between 1-2mm, and core plate 3 is
Eucalyptus finger-jointed plate of the thickness between 10-15mm, lower floor's core plate 4 are Eucalyptus sliced veneer of the thickness between 1-2mm, backboard 5
For thickness between 1-2mm beech, birch or poplar flat-cut or sliced veneer.The grain of wood side on top layer 1, sandwich layer 3 and backboard 5
To consistent, lower floor's core plate 4 and the grain of wood of above-mentioned three-decker are perpendicular.On dash board 1 with the side of the phase gluing of upper strata core plate 2
On be naturally formed with crack, upper strata core plate 2 includes flat bed portion 21 and the glue nail portion 22 of filled opening, flat bed portion 21 and glue nail portion 22
Between be same material Nature Link.Glue nail portion 22 is partially filled with crack, and flat bed portion 21 and glue nail portion 22 are same equal
Material.Upper strata core plate 2 by mixed uniformly wood fibre and adhesive by forming;Wherein the thickness of wood fibre is 40 mesh
Or 50 mesh, the mass ratio of wood fibre and adhesive is 80:20-84:16.In the five-layer structure of the technical program with printing solid wood
In plate, the material of upper strata core plate 2 is fiberboard, primarily serves two effects, one is the flat bed portion 21 of layer structure is formed, it is main
The structure out-of-flatness of the core plate 3 of finger joint lumber material as the lining plate structure between dash board 1 and core plate 3, is avoided to print the surface of dash board 1
The influence of brush layer;It is main with for filled opening the second is the glue nail portion 22 formed by osmosis in the crack of dash board 1,
Avoid because crack causes the surface printing layer of dash board 1 to produce elephant skin and cracking.
The manufacture method of this kind of five-layer structure printing solid wooden floor board comprises the following steps:
S1. compound bottom plate is made in the cold pressing of core plate 3, lower floor's core plate 4 and backboard 5, cold-press process can be that prior art is general
The compound cold-press process of solid wood, i.e., using white glue with vinyl, it is cold-pressed 30-40min process program;
S2. bottom plate is placed in mould, mould is rectangular, cross sectional shape is identical with the cross sectional shape of bottom plate, is highly equal to or omits
It is more than(Slightly larger than the error for referring to allow 5-10mm)Five-layer structure prints the design thickness of solid wooden floor board;From 40 mesh or 50 mesh
Wood fibre, according to 16% resin added glue mixing, obtain the mixing material of wood fibre and adhesive, control mixing material
Moisture content 35-40%, mixing material is coated on to the surface of core plate 3, be finally placed on it dash board 1;
S3. the mould for being mounted with blank is placed in press, 130-160 DEG C of hot pressing temperature, hot pressing time 5-10min, hot pressing pressure
Power 1.2MPa-1.5MPa;
Form the upper strata core plate 2 that thickness is 0.3-0.5mm;
S4. cooling is stood after taking out;
S5. according to design specification sanding, make tongue and groove etc., it is transparent clear in decor surface coating and in surface printing decoration layer
Paint, after health, complete the making of five-layer structure printing solid wooden floor board.
Because the mixture of uncured wood fibre and adhesive has certain flowing under higher moisture content
Property, from the less wood fibre of mesh number and higher mixing material moisture content is used, further improves its mobility.Mixing
After material is coated on the surface of core plate 3, mixing material part is set to form the flat bed portion 21 of stratiform by pressure, another part is pressurized and oozed
Penetrate into the crack of dash board 1, filled opening.Thus, the technical program greatly improves the work effect filled up in dash board crack
Rate.
Embodiment 2:The difference of embodiment 2 and embodiment 1 is that glue nail portion 22 is filled up completely with crack, the shape of upper strata core plate 2
Metal-modified flat bed portion 2a and mixing flat bed portion 2b, metal-modified flat bed portion 2a into layering depend on the surface at the back side of dash board 1
Set.Metal-modified flat bed portion 2a by mixed uniformly wood fibre, adhesive and iron powder by forming;Wherein wood fibre
Thickness is 40 mesh or 50 mesh, and the mass ratio of wood fibre and adhesive is 80:20-84:16, iron powder addition quality accounts for gross mass
0.08%-0.1%。
Difference on manufacturing step is, wood fibre from 50 mesh, according to 18% resin added glue mixing, obtain wood
The mixing material of matter fiber and adhesive, the moisture content 35-40% of the first mixing material is controlled, the first mixing material is coated on
The surface of core plate 3, the coating weight of the first mixing material is about 0.2mm;Wood fibre from 50 mesh, according to 20% resin added,
The iron powder injected volume of 0.08%-0.1% quality accounting, the moisture content 35-40% of the second mixing material is controlled, by the second mixing material
Material is coated on the first mixing material, and the coating thickness of the second mixing material is about 0.1mm;Finally dash board 1 is placed on it.
The mould for making to be loaded with blank forms magnetic attraction straight up by magnetic field on the surface of surface 1;The mould of blank is loaded with magnetic field
Under time be 20-30s.Thus, iron powder quickly carries adhesive under the parcel of wood fibre and in the presence of magnetic attraction
Fill the crack on the cemented surface of dash board 1.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.