CN103395101B - With the production technology of seeds three-layer wood composite flooring - Google Patents

With the production technology of seeds three-layer wood composite flooring Download PDF

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Publication number
CN103395101B
CN103395101B CN201310304851.0A CN201310304851A CN103395101B CN 103395101 B CN103395101 B CN 103395101B CN 201310304851 A CN201310304851 A CN 201310304851A CN 103395101 B CN103395101 B CN 103395101B
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China
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dash board
paint
central layer
wood composite
backboard
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CN201310304851.0A
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Chinese (zh)
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CN103395101A (en
Inventor
张翔伟
王俊
纪娟
高雅
蒋俊杰
温宝军
刘书武
李金玉
吴政坚
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大亚(江苏)地板有限公司
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Abstract

The invention belongs to technical field of construction and decoration materials, relate to three-layer wood composite flooring, particularly relate to same seeds three-layer wood composite flooring and production technology thereof.A kind of with seeds three-layer wood composite flooring, be made up of dash board, central layer and backboard, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and described dash board thickness is 3 ~ 4mm, core thickness is 8 ~ 9mm, and back plate thickness is 2 ~ 3mm.The invention also discloses and produce the production technology of this kind with seeds three-layer wood composite flooring.Because three-layer wood composite flooring entire body is that same wood is planted, its physical property is identical, in process of production, can be well glued together, physical properties can keep good uniformity; Three-layer wood composite flooring, overcomes independent body solid wood and holds yielding shortcoming simultaneously, more stable, and is applicable in geothermal environment.Energy Appropriate application precious timber of the present invention, raising volume recovery, the waste of minimizing timber resources.

Description

With the production technology of seeds three-layer wood composite flooring

Technical field

The invention belongs to technical field of construction and decoration materials, relate to three-layer wood composite flooring, particularly relate to the production technology of same seeds three-layer wood composite flooring.

Background technology

In recent years, three-layer wood composite flooring, with its good stability, unique resources advantage, appropriate price positioning, was more and more subject to liking of consumer.Produce three-layer wood composite flooring in current industry, general dash board is precious hardwood, and comprise ebony, black walnut, husky Billy, oak, peach heart wood, birch, yellow jacket, hard maple, beech etc., usual price is higher, but quality compares, cork is excellent; Core, backboard generally adopt cork as fast growing woods such as pine, poplar, China firs.Dash board hardwood can produce a lot of leftover pieces in the process of processing simultaneously, such as to be processed in the process of sawn timber at log, because of the defects such as small holes caused by worms cracking is rotten can not as the defect material of dash board, produce Three kinds of hors d'oeuvres in addition or solely width floor all can produce some defect plates in production process process, if can not make full use of, can the wasting of resources be caused.

Authorization Notice No. CN100379537C discloses the process utilizing pure poplar to make solid wooden floor board, utilize computer to fill in colors on a sketch to emulate with wood grain, high-grade and hard material use poplar cannot be used as, make the thin use of its thick wood, softwood is use firmly, but the solid wooden floor board quality that makes of finished product floor and hardwood exists gap.Authorization Notice No. CN100336645C discloses a kind of processing method of solid wooden floor board, adopts novel priming paint and finish paint coating process, makes product have scratch-resistant, gloss retention and flexible function; Adopt elasticity, wear-resisting scratch-resistant, protect lac varnish combination finish paint, can reach floor lacquer painting both wear-resisting, scratch-resistants, have again guarantor's light effect, last one running roller adopts radium-shine laser wheel, makes Painting effect can be similar to leaching paint effect.How to make good use of precious hardwood resource efficiently and just become the problem needing to inquire into; Simultaneously three-layer wood composite flooring adopts hardwood due to dash board, and central layer, backboard adopt cork, and the wet difference that rises of drying shrinkage of the different timber of material is very large; The processing mode of timber is also different simultaneously, and dash board generally uses sawing, and backboard adopts rotary-cut; Three-layer wood composite flooring dash board is 3 ~ 4mm, and backboard is about 2mm, and material, processing mode, the structural asymmetric floor that easily makes occur the problems such as buckling deformation in the process of producing and use.

Summary of the invention

The object of the invention is: for economizing on resources, improving the stability of floor under Different climate environment, solve the problem of solid wooden floor board distortion, disclose solid wooden compound floor and the production technology thereof of a kind of same seeds.

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and described dash board 1 thickness is 3 ~ 4mm, central layer 2 thickness is 8 ~ 9mm, and backboard 3 thickness is 2 ~ 3mm.

Same seeds three-layer wood composite flooring disclosed by the invention, described dash board 1 can be Three kinds of hors d'oeuvres or Two bors d's oeuveres or only width, or any combination between them.

Same seeds three-layer wood composite flooring disclosed by the invention, described backboard 3 can be Three kinds of hors d'oeuvres or Two bors d's oeuveres or only width, or any combination between them.

Same seeds three-layer wood composite flooring disclosed by the invention, described dash board 1, central layer 2 and backboard 3 all adopt solid wood of the same race.

Seeds of the present invention select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.

The invention also discloses and produce this kind with the process of seeds three-layer wood composite flooring, comprise the steps:

A, disconnected wood: log is cut into required length specification;

B, sawed veneer: preferential saw makes only width or Two bors d's oeuveres or triple-spliced panel material, have small holes caused by worms, rotten, the blue part cover material such as to become backboard and central layer, and leftover pieces are processed into 25mm dash board bar finger, and to be processed as central layer stand-by;

C, drying: the sheet material that sawing is good is put into dry kiln dry, to final moisture content 6 ~ 8%;

D, health: dried sheet material kiln discharge is placed between conditioning and balances, temperature 22 ~ 26 DEG C, humidity 35 ~ 45%;

E, make dash board sheet: the dash board material through conditioning balance cuts through three planes, four side moulder, both-end, trimmer is processed into required dash board sheet, after artificial separation, dash board assembling machine is assembled into required specification table plate, wherein rotten, small holes caused by worms, ftracture, die for the sake of honour to exceed standard etc. and cannot make the material of dash board, as the backboard on floor;

The fixed thick sanding of F, dash board: by the first sanding of dash board sheet pressing again;

G, central layer make: after finger splicing of being colded pressing by dash board bar thick for 25mm, solidification, be split into the central layer bar of 8 ~ 10mm thickness again, then central layer bar conspired to create on central layer cascade machine the central layer of required specification with thicknesser after flattening with central layer subdivision saw;

H, gluing: coating binder on the cemented surface of the good dash board of above-mentioned balance and backboard, described dash board one side coating weight 130 ~ 150g/m 2, base plate one side coating weight 140 ~ 150g/m 2;

I, assembly: dash board, central layer and base plate carry out longitudinal, horizontal, longitudinal arrangement assembly interlaced with each other according to wood grain, then put into hot press hot pressing, hot pressing temperature 95 ± 2 DEG C, hot pressing time 300s, hot pressing pressure 11 ~ 12kg/cm 2;

J, health: inserted by the sheet material after assembly hot pressing between conditioning and nurse one's health 2 ~ 5d, temperature 20 ~ 26 DEG C, humidity 35 ~ 45%, then shifts out, treat that plate surface temperature balance is to room temperature;

K, repairing: the defect on dash board surface is repaired;

L, plain plate sanding;

M, shaping: after prime treatment, to do tongue and groove;

N, japanning: the plank japanning after wire drawing or grinding process modelled after an antique, becomes finished product;

O, to test etc., roll off the production line, pack.

In production technology disclosed in this invention, in described step I assembly operation, shaping hot repressing of also can first colding pressing, described in cold pressing time 20 ~ 40min, cold pressing pressure 9 ~ 10kg/cm 2; Hot pressing time 390 ~ 420s, hot pressing pressure 11 ~ 12kg/cm 2, hot pressing temperature 92 ~ 98 DEG C.

In production technology disclosed in this invention, described step N japanning operation comprises priming paint covering with paint, limit paint, back of the body paint and finish paint process successively, specifically comprises:

Priming paint is covered with paint, lacquer, colour wash, etc.: 1 road aqueous priming paint and 3 road priming paint, totally 4 roads, total coating weight is 65 ~ 120g/m 2.Paint curing mode is ultraviolet light polymerization, uses UV lamp to complete solidification.After the fixed thick sanding of surface (wire drawing, modelled after an antique) process and the back side, carry out priming paint cover with paint, lacquer, colour wash, etc. process, priming paint used, back of the body paint, finish paint are all ultraviolet light cured paints, i.e. UV paint, under the irradiation of ultraviolet light, impel decomposition of initiator, produce free radical, cause resin reaction, instantaneous solidification film forming, feature is that curing rate is fast, stable, is applicable to elementary stream operation, is the paint of current most environmental protection;

Limit is painted: according to plate face chromatic effect, be modulated into corresponding color, and floor edge uses edge sealing paint or petroleum hydrocarbon dubbin, adopts spraying method;

Back of the body paint: ultraviolet-cured paint, 1 road, roll coating model, coating weight 10 ~ 30g/m 2;

Finish paint: ultraviolet light cured paint, 4 road priming paint and twice finish paint, totally 6 roads, add up to coating weight 55 ~ 110g/m 2.

Use the solidification of UV lamp, concrete technology will be determined according to the floor of different assortment, different-thickness wood skin.Floor panel is through paint process, and surrounding and bottom also need to carry out respective handling, prevent the floor moisture absorption and Anti-moth-eating.

Beneficial effect

Same seeds three-layer wood composite flooring disclosed in this invention, because entire body is that same wood is planted, its physical property is identical, in process of production, and can be well glued together, physical properties can keep good uniformity; Dash board sheet is first carried out sanding pressing again, than first pressing current in the market again sanding dash board because defect can find out defect more clearly after sanding, directly repair after finding defect, the excellence rate about 8% of product can be improved.Owing to being three-layer wood composite flooring, overcoming independent body solid wood and hold yielding shortcoming, more stable, and be applicable in geothermal environment; Energy Appropriate application precious timber of the present invention, raising volume recovery, the waste of minimizing timber resources.

Accompanying drawing explanation

Fig. 1 is the perspective view of same seeds three-layer wood composite flooring, and its dorsulum 3 is only width;

Fig. 2 is the perspective view of same seeds three-layer wood composite flooring, and its dorsulum 3 is Three kinds of hors d'oeuvres;

Fig. 3 is the perspective view of same seeds three-layer wood composite flooring, and its dorsulum 3 is Two bors d's oeuveres;

Fig. 4 is the cross sectional representation of same seeds three-layer wood composite flooring;

Wherein, the title of each parts is respectively: 1, dash board, and 2, central layer, 3, backboard.

Detailed description of the invention

Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.

Embodiment 1

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and described dash board 1 thickness is 3 ~ 4mm, central layer 2 thickness is 8 ~ 9mm, and backboard 3 thickness is 2 ~ 3mm.Described dash board 1 is Three kinds of hors d'oeuvres; Described backboard 3 is Three kinds of hors d'oeuvres; Described dash board 1, central layer 2 and backboard 3 all adopt solid wood of the same race, and seeds select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.

Embodiment 2

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and described dash board 1 thickness is 3 ~ 4mm, central layer 2 thickness is 8 ~ 9mm, and backboard 3 thickness is 2 ~ 3mm.Described dash board 1 is Two bors d's oeuveres; Described backboard 3 is Two bors d's oeuveres; Described dash board 1, central layer 2 and backboard 3 all adopt solid wood of the same race, and seeds select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.

Embodiment 3

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and described dash board 1 thickness is 3 ~ 4mm, central layer 2 thickness is 8 ~ 9mm, and backboard 3 thickness is 2 ~ 3mm.Described dash board 1 is only width; Described backboard 3 is only width; Described dash board 1, central layer 2 and backboard 3 all adopt solid wood of the same race, and seeds select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.

Embodiment 4

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and described dash board 1 thickness is 3 ~ 4mm, central layer 2 thickness is 8 ~ 9mm, and backboard 3 thickness is 2 ~ 3mm.Described dash board 1 can be the combination of Three kinds of hors d'oeuvres or Two bors d's oeuveres; Described backboard 3 is the combination of Three kinds of hors d'oeuvres or Two bors d's oeuveres; Described dash board 1, central layer 2 and backboard 3 all adopt solid wood of the same race, and seeds select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.

Embodiment 5

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and seeds select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.Described dash board 1 thickness is 4mm, and central layer 2 thickness is 12mm, and backboard 3 thickness is 2mm.

Embodiment 6

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, and seeds select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.Described dash board 1 thickness is 3mm, and central layer 2 thickness is 9mm, and backboard 3 thickness is 3mm.

Embodiment 7

A kind of with seeds three-layer wood composite flooring, be made up of dash board 1, central layer 2 and backboard 3, described dash board, central layer, backboard are that the timber of the same race that material is identical is pressed into one by crisscross texture, described dash board 1 thickness is 3 ~ 4mm, central layer 2 thickness is 8 ~ 12mm, and backboard 3 thickness is 2 ~ 3mm.Described dash board 1 can be the combination of Three kinds of hors d'oeuvres or Two bors d's oeuveres; Described backboard 3 is the combination of Three kinds of hors d'oeuvres or Two bors d's oeuveres; Described dash board 1, central layer 2 and backboard 3 all adopt the solid wood that material is close, and seeds select any one in ebony, husky Billy, toothed oak wood, pineapple lattice, white rubber, yellow jacket, black walnut, white birch, hard maple.

Embodiment 8

Produce the production technology of this kind with seeds three-layer wood composite flooring: comprise the steps:

A, disconnected wood: log is cut into required length specification;

B, sawed veneer: preferential saw makes only width or Two bors d's oeuveres or triple-spliced panel material, have small holes caused by worms, rotten, the blue part cover material such as to become backboard and central layer, and leftover pieces are processed into 25mm dash board bar finger, and to be processed into central layer stand-by;

C, drying: the sheet material that sawing is good is put into dry kiln dry, to final moisture content 6 ~ 8%;

D, health: dried sheet material kiln discharge is placed between conditioning and balances, temperature 22 ~ 26 DEG C, humidity 35 ~ 45%;

E, make dash board sheet: the dash board material through conditioning balance cuts through three planes, four side moulder, both-end, trimmer is processed into required dash board sheet, after artificial separation, dash board assembling machine is assembled into required specification table plate, wherein rotten, small holes caused by worms, ftracture, die for the sake of honour to exceed standard etc. and cannot make the material of dash board, as the backboard on floor;

The fixed thick sanding of F, dash board: by the first sanding of dash board sheet pressing again;

G, central layer make: after dash board bar finger splicing thick for 25mm, solidification of colding pressing, be split into the central layer bar of 8 ~ 10mm thickness again, then central layer bar conspired to create on central layer cascade machine the central layer of required specification with thicknesser after flattening with central layer subdivision saw;

H, gluing: coating binder on the cemented surface of the good dash board of above-mentioned balance and backboard, described dash board one side coating weight 130 ~ 150g/m 2, base plate one side coating weight 140 ~ 150g/m 2;

I, assembly: dash board, central layer and base plate carry out longitudinal, horizontal, longitudinal arrangement assembly interlaced with each other according to wood grain, then put into hot press hot pressing, hot pressing temperature 95 ± 2 DEG C, hot pressing time 300s, hot pressing pressure 11 ~ 12kg/cm 2;

J, health: inserted by the sheet material after assembly hot pressing between conditioning and nurse one's health 2 ~ 5d, temperature 20 ~ 26 DEG C, humidity 35 ~ 45%, then shifts out, treat that plate surface temperature balance is to room temperature;

K, repairing: the defect on dash board surface is repaired;

L, plain plate sanding;

M, shaping: after prime treatment, to do tongue and groove;

N, japanning: the plank japanning after wire drawing or grinding process modelled after an antique, becomes finished product;

O, to test etc., roll off the production line, pack.

Embodiment 9

Produce the process of this kind with seeds three-layer wood composite flooring, comprise the steps:

A, disconnected wood: log is cut into required length specification;

B, sawed veneer: preferential saw makes only width or Two bors d's oeuveres or triple-spliced panel material, have small holes caused by worms, rotten, the blue part cover material such as to become backboard and central layer, and leftover pieces are processed into 25mm dash board bar finger, and to be processed into central layer stand-by;

C, drying: the sheet material that sawing is good is put into dry kiln dry, to final moisture content 6 ~ 8%;

D, health: dried sheet material kiln discharge is placed between conditioning and balances, temperature 22 ~ 26 DEG C, humidity 35 ~ 45%;

E, make dash board sheet: the dash board material through conditioning balance cuts through three planes, four side moulder, both-end, trimmer is processed into required dash board sheet, after artificial separation, dash board assembling machine is assembled into required specification table plate, wherein rotten, small holes caused by worms, ftracture, die for the sake of honour to exceed standard etc. and cannot make the material of dash board, as the backboard on floor;

The fixed thick sanding of F, dash board: by the first sanding of dash board sheet pressing again, if dash board is Two bors d's oeuveres and only width, do not need this step;

G, central layer make: after finger splicing of being colded pressing by dash board bar thick for 25mm, solidification, be split into the central layer bar of 8 ~ 10mm thickness again, then central layer bar conspired to create on central layer cascade machine the central layer of required specification with thicknesser after flattening with central layer subdivision saw;

H, gluing: coating binder on the cemented surface of the good dash board of above-mentioned balance and backboard, described dash board one side coating weight 130 ~ 150g/m 2, base plate one side coating weight 140 ~ 150g/m 2;

I, assembly: dash board, central layer and base plate carry out longitudinal, horizontal, longitudinal arrangement assembly interlaced with each other according to wood grain, hot repressing of then first colding pressing, described in cold pressing time 20 ~ 40min, cold pressing pressure 9 ~ 10kg/cm 2; Hot pressing time 390 ~ 420s, hot pressing pressure 11 ~ 12kg/cm 2, hot pressing temperature 92 ~ 98 DEG C;

J, health: inserted by the sheet material after assembly hot pressing between conditioning and nurse one's health 2 ~ 5d, temperature 20 ~ 26 DEG C, humidity 35 ~ 45%, then shifts out, treat that plate surface temperature balance is to room temperature;

K, repairing: the defect on dash board surface is repaired;

L, plain plate sanding;

M, shaping: after prime treatment, to do tongue and groove;

N, japanning: the plank japanning after wire drawing or grinding process modelled after an antique, becomes finished product;

O, to test etc., roll off the production line, pack.

Embodiment 10

Produce the process of this kind with seeds three-layer wood composite flooring, comprise the steps:

A, disconnected wood: log is cut into required length specification;

B, sawed veneer: preferential saw makes only width or Two bors d's oeuveres or triple-spliced panel material, have small holes caused by worms, rotten, the blue part cover material such as to become backboard and central layer, and leftover pieces are processed into 25mm dash board bar finger, and to be processed into central layer stand-by;

C, drying: the sheet material that sawing is good is put into dry kiln dry, to final moisture content 6 ~ 8%;

D, health: dried sheet material kiln discharge is placed between conditioning and balances, temperature 22 ~ 26 DEG C, humidity 35 ~ 45%;

E, make dash board sheet: the dash board material through conditioning balance cuts through three planes, four side moulder, both-end, trimmer is processed into required dash board sheet, after artificial separation, dash board assembling machine is assembled into required specification table plate, wherein rotten, small holes caused by worms, ftracture, die for the sake of honour to exceed standard etc. and cannot make the material of dash board, as the backboard on floor;

The fixed thick sanding of F, dash board: by the first sanding of dash board sheet pressing again, if dash board is Two bors d's oeuveres and only width, do not need this step;

G, central layer make: after finger splicing of being colded pressing by dash board bar thick for 25mm, solidification, be split into the central layer bar of 8 ~ 10mm thickness again, then central layer bar conspired to create on central layer cascade machine the central layer of required specification with thicknesser after flattening with central layer subdivision saw;

H, gluing: coating binder on the cemented surface of the good dash board of above-mentioned balance and backboard, described dash board one side coating weight 130 ~ 150g/m 2, base plate one side coating weight 140 ~ 150g/m 2;

I, assembly: dash board, central layer and base plate carry out longitudinal, horizontal, longitudinal arrangement assembly interlaced with each other according to wood grain, then put into hot press hot pressing, hot pressing temperature 95 ± 2 DEG C, hot pressing time 300s, hot pressing pressure 11 ~ 12kg/cm 2;

J, health: inserted by the sheet material after assembly hot pressing between conditioning and nurse one's health 2 ~ 5d, temperature 20 ~ 26 DEG C, humidity 35 ~ 45%, then shifts out, treat that plate surface temperature balance is to room temperature;

K, repairing: the defect on dash board surface is repaired;

L, plain plate sanding;

M, shaping: after prime treatment, to do tongue and groove;

N, japanning: priming paint is covered with paint, lacquer, colour wash, etc., limit paint, the back of the body paint and finish paint process, specifically comprises:

Priming paint is covered with paint, lacquer, colour wash, etc.: 1 road aqueous priming paint and 3 road priming paint, totally 4 roads, total coating weight is 65 ~ 120g/m 2;

Limit is painted: according to plate face chromatic effect, be modulated into corresponding color, and floor edge uses edge sealing paint or petroleum hydrocarbon dubbin, adopts spraying method;

Back of the body paint: back of the body paint uses ultraviolet-cured paint, and 1 road, roll coating model, coating weight is at 15 ~ 30g/m 2;

Finish paint: ultraviolet light cured paint, 4 road priming paint and twice finish paint, totally 6 roads, add up to coating weight 55 ~ 110g/m 2;

O, to test etc., roll off the production line, pack.

This kind uses flat button (male tenon, female tenon) assembled with seeds three-layer wood composite flooring, collapsing limit, collapsing end phenomenon for avoiding wooden skin to occur, wooden skin edge will break into arcuation or oblique shape chamfering; For avoiding expanding with heat and contract with cold, backboard edge will destroy a part more, and when assembled, certain space can be left in back, floor, in case this phenomenon occurs.

The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or the conversion of equivalent flow process, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (5)

1. with the production technology of seeds three-layer wood composite flooring, it is characterized in that, comprise the steps:
A. disconnected wood: log is cut into required length specification;
B. sawed veneer: preferential saw makes only width or Two bors d's oeuveres or triple-spliced panel material, has small holes caused by worms, rotten, the blue part cover material that becomes goes out backboard and central layer, and leftover pieces are processed into 25mm dash board bar finger, and to be processed as central layer stand-by;
C. dry: the sheet material that sawing is good to be put into dry kiln dry, to final moisture content 6 ~ 8%;
D. health: dried sheet material kiln discharge is placed between conditioning and balances, temperature 22 ~ 26 DEG C, humidity 35 ~ 45%;
E. dash board sheet is made: the dash board material through conditioning balance cuts through three planes, four side moulder, both-end, trimmer is processed into required dash board sheet, after artificial separation, dash board assembling machine is assembled into required specification table plate, wherein rotten, small holes caused by worms, ftracture, die for the sake of honour to exceed standard and cannot make the material of dash board, as the backboard on floor;
F. the fixed thick sanding of dash board: by the first fixed thick sanding pressing again of dash board sheet;
G. central layer makes: after dash board bar finger splicing thick for 25mm, solidification of colding pressing, be split into the central layer bar of 8 ~ 10mm thickness again, then central layer bar conspired to create on central layer cascade machine the central layer of required specification with thicknesser after flattening with central layer subdivision saw;
H. gluing: coating binder on the cemented surface of the good dash board of above-mentioned balance and backboard, described dash board one side coating weight 130 ~ 150g/m 2, backboard one side coating weight 140 ~ 150g/m 2;
I. assembly: dash board, central layer and backboard carry out longitudinal, horizontal, longitudinal arrangement assembly interlaced with each other according to wood grain, then put into hot press hot pressing, hot pressing temperature 95 ± 2 DEG C, hot pressing time 300s, hot pressing pressure 11 ~ 12kg/cm 2;
G. health: inserted by the sheet material after assembly hot pressing between conditioning and nurse one's health 2 ~ 5d, temperature 20 ~ 26 DEG C, humidity 35 ~ 45%, then shifts out, treats that plate surface temperature balance is to room temperature;
K. repair: the defect on dash board surface is repaired;
L. plain plate sanding;
M. shaping: after prime treatment, do tongue and groove;
N. japanning: the plank japanning after wire drawing or grinding process modelled after an antique, becomes finished product;
O. to test etc., roll off the production line, pack.
2., according to claim 1 with the production technology of seeds three-layer wood composite flooring, it is characterized in that, in described step I assembly operation, shaping hot repressing of also can first colding pressing.
3. according to claim 2 with the production technology of seeds three-layer wood composite flooring, it is characterized in that, in described step I assembly operation, the time 20 ~ 40min that colds pressing, cold pressing pressure 9 ~ 10kg/cm 2; Hot pressing time 390 ~ 420s, hot pressing pressure 11 ~ 12kg/cm 2, hot pressing temperature 92 ~ 98 DEG C.
4. according to claim 1 with the production technology of seeds three-layer wood composite flooring, it is characterized in that, step N japanning operation comprises priming paint covering with paint, limit paint, back of the body paint and finish paint process successively.
5. according to claim 4 with the production technology of seeds three-layer wood composite flooring, it is characterized in that, step N japanning operation specifically comprises:
Priming paint is covered with paint, lacquer, colour wash, etc.: 1 road aqueous priming paint and 3 road priming paint, totally 4 roads, total coating weight is 65 ~ 120g/m 2;
Limit is painted: according to plate face chromatic effect, be modulated into corresponding color, and floor edge uses edge sealing paint or petroleum hydrocarbon dubbin, spraying method;
Back of the body paint: ultraviolet-cured paint, 1 road, roll coating model, coating weight 10 ~ 30g/m 2;
Finish paint: ultraviolet light cured paint, 4 road priming paint and twice finish paint, totally 6 roads, add up to coating weight 55 ~ 110g/m 2.
CN201310304851.0A 2013-07-19 2013-07-19 With the production technology of seeds three-layer wood composite flooring CN103395101B (en)

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CN103395101A CN103395101A (en) 2013-11-20
CN103395101B true CN103395101B (en) 2016-01-20

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