A kind of production technology of multifunctional solid wood composite floor
Technical field
The invention belongs to the sheet material manufacture field, particularly a kind of production technology of multifunctional solid wood composite floor.
Background technology
Improvement gradually along with progress of industry and living standards of the people, people are also improving constantly the environment of inhabitation and the taste of finishing, in the live and work that is applied in people that timber floor is more and more popularized, comparatively generally solid wooden floor board and solid wooden compound floor now.
Solid wooden floor board owing to cost an arm and a leg is used for high-grade decoration more, and solid wooden compound floor is then more to be used for daily decoration, but existing solid wooden compound floor ubiquity structure, problem that function is comparatively single, can not satisfy people's needs; For example: existing floor does not have elasticity, can't compensator or trimmer pressure, and poor seismic behavior, when external force fiercely acts on the floor, not only can produce very loud noise, also can damage the floor, make timber floor surface cracking occur, situations such as depression, it is comfortable inadequately to be exactly that the people steps on feel in addition.Be exactly that existing solid wooden compound floor does not have antibacterial functions in addition, gather bacterium easily, health is threatened; Moreover existing floor does not have anti-flaming function, then is easy to burning as fire, causes unthinkable consequence.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide that a kind of to have antidetonation quiet, fire-retardant, the production technology of the solid wooden compound floor of antibacterial functions.
Technical scheme of the present invention is achieved in that
A kind of production technology of multifunctional solid wood composite floor includes following steps::
(1) check arrangement
At first the veneer of outsourcing is put in order according to processing request, moisture content is controlled in 12%, surpasses this requirement, carries out drying again and handles;
(2) row's core
To meet plate in the wood of processing request, central layer is arranged core according to the specification of processing, be arranged in the horizontal stroke plate and perpendicular in two kinds of plates of plate, splicing place is pasted with low adhesive tape; Length of tape is controlled between four holes, adhesive tape is long, the dipping peel strength of sheet material will be influenced, wherein, the veneer that the solid wooden compound floor top layer is used soaked 2-200 hour in phosphorus flame retardant and the composite mass percent concentration of boron flame retardant are the aqueous solution of 15-35%, and to be dried to moisture content under 60-150 ℃ condition be 8%-12%, phosphorus flame retardant is to mix at 1: 2 according to mass percent with the boron flame retardant, any one in phosphorus flame retardant ammonium dihydrogen phosphate (ADP), ammonium sulfate, close ammonium, the APP; The boron flame retardant adopts any one in boric acid, the Firebrake ZB, thereby makes it have the performance of fire-retardant fireproof;
(3) cloth glue, assembly
To sequencing the veneer of core, on cloth glue machine, carry out cloth glue, the glue application amount is controlled at 50-80g/m
2Then, with plate in the horizontal stroke of gluing with perpendicular in the plate face be glued together;
(4) cold pressing
The middle plate that has glued together sent into carry out precompressed in the cold press, squeeze time was controlled at 25-35 minute, and pressure is controlled at 9-11Mpa;
(5) cut core, repairing
Middle plate after the precompressed is carried out the surface cut core,, have the place of space or scarce core to repair with batten to overlapping veneer being arranged with the cutter mowing or with the cutter planing;
(6) cloth glue, assembly (secondary)
The middle plate of repairing after the arrangement is carried out double spread, and glue-spread is controlled at 45-55g/m
2, glue is stacked together in the face of the glue face, stacks the number of plies and carries out the proportioning combination according to the thickness of being processed;
(7) cold pressing
The middle plate that has combined sent in the cold press cold pressing, colded pressing pressure 8-12Mpa time 25-35 minute;
(8) hot pressing
Through the substrate after colding pressing, put into hot press by every, put two plate substrates on every layer of heat shielding plate, to reach the degree of balance of hot press, the substrate charging rate was controlled in 2 minutes, and hot pressing time is 15 minutes, 120 ℃ of temperature, pressure 13-17Mpa;
(9) sanding
Through the health cycle about a week, substrate is carried out thick surely sanding after the hot pressing, need be with three abrasive finishing machine abrasive finishings during sanding, the preceding abrasive band of sander model is 60 yards, and the centre is 80 yards, and trailing wheel is 100 yards; The plate face must put in place in sanding during sanding, does not have the sand of leakage phenomenon, otherwise sanding again;
(10) cloth glue, assembly (three times)
Substrate through fixed thick sanding after, select the 3rd layer of base plate bottom central layer to be made up with the thick PVC rubber layer of 1.5-1.9mm; Promptly at first, with special gelatin the PVC rubber layer is carried out double spread, and overlay at once on base material, another side increases two-layer block board again, and overlays on the PVC rubber layer, then, colds pressing, and the time is 5 hours, pressure 10Mpa; The PVC rubber layer is installed between the block board, and it is unaffected to make that not only timber floor is installed firm degree, can also play the function of sound insulation, antidetonation, and feel is more comfortable than other similar composite floor board;
(11) saw limit
With the substrate that overlays, according to processing request length and width are sawed limit, integer, length is sawn into 940mm, and width is sawn into the substrate of 1230mm;
(12) cloth glue, veneer
The substrate of having put in order is carried out plate face veneer, and surface layer wood skin is 55-65S, and substrate carries out plate face gluing through cloth glue machine, and glue-spread is 30-50g/m
2, then,, stick on wooden skin on the substrate one by one according to the line ball on the substrate;
(13) cold pressing
Substrate behind the veneer sent into carry out precompressed in the cold press, squeeze time is 10 minutes, pressure 2Mpa, the real 30 minutes pressure time, pressure 15Mpa places then to carry out next step hot pressing, colding pressing to hot pressing time to surpass 12 hours, otherwise glue will solidify voluntarily;
(14) hot pressing
Substrate after will colding pressing carries out hot pressing, makes glue-line accelerate to solidify, hot pressing time 12 minutes, and pressure 10Mpa, 120 ℃ of temperature, moisture content is controlled in 14%;
(15) substrate health
Solid wooden compound floor after the hot pressing is put into the warehouse carry out health, to reach the purpose of equilibrium moisture content, conditioned time is seven days, and accomplishes first in first out;
(16) saw plate
With behind the veneer the substrate that puts in place of health be sawn into the floor blank of required specification, general conventional specification is charge length 93cm, width 13.3cm, the wooden skin width in surface is no less than 12.9cm, flexibility≤the 0.3cm of sheet material, moisture content are controlled in 14%, and moisture content exceeds standard and stops to put into production;
(17) blanket check
According to different seeds,, and the defective that occurs on the blank is carried out data feed back texture, aberration defectiveness such as the warpage of blank, the plate classify and pile up of overlapping, scarce core;
(18) sanding
Floor blank after the go-on-go is anticipated thick sanding, and surface layer frosted amount is the 8-12 silk during sanding, frosted amount 20-30 silk at the bottom of the plate, and the abrasive band model: the end is the 80-120 sign indicating number, face is the 100-150 sign indicating number;
(19) four side moulder
To the blanket after the fixed thick sanding, to carry out Fixed width according to processing request and handle, the composite floor board charging rate was controlled at 28m/ minute, air pressure 2-4kg;
(20) paint (once)
Blanket is carried out surface paint handle,, make the plate face reach smooth effect through the filling of three road priming paint;
(21) double end is milled
Through the semi-finished product blanket behind the priming paint, the floor of being processed into Len req, charging rate is controlled at 30 slices/minute, air pressure 1kg; After the uniformity of the chamfering at two ends, floor and piece difference of height confirmed, can produce in batches;
(22) paint (secondary)
Floor panel face to back cover carries out the paint work second time, in paint, add the Nano titanium dioxide photocatalyst, its dosage is the 0.5-1% of paint quality, at first must press sample production, must proofread the color of model in process of production often, glossiness, the transporting velocity of sander are 16m/ minute, laser curing velocity was controlled at 16m/ minute, the abrasive band model is 320 yards, and glossiness is generally 70 ℃ ± 5 ℃ of leaching paints, 50 ℃ ± 5 ℃ in roller lacquer; Coating weight: general end 70g/m
2, wear-resisting end 30g/m
2, finish paint 15g/m
2, leaching paint is the 6-8 silk.
The advantage that has adopted the present invention of technique scheme to have is: 1, the solid wooden compound floor that processes of the present invention is owing to added the PVC rubber layer between two-layer veneer, so have good antidetonation, mute function, thereby not only effectively protected the floor, made that also noise reduces greatly; 2, the floor that processes goes out according to the present invention also has fire-retardantly, and antibacterial functions makes that not only fire protecting performance improves greatly, can also sterilizing and anti-foul, and the protection human body is avoided bacterium and is invaded and harassed.
The specific embodiment
The specific embodiment of the present invention is as follows:
Embodiment: a kind of production technology of multifunctional solid wood composite floor includes following steps::
(1) check arrangement
At first the veneer of outsourcing is put in order according to processing request, veneer can be selected the Eucalyptus veneer for use, and moisture content is controlled at 10%;
(2) row's core
To meet plate in the Eucalyptus of processing request, central layer is arranged core according to the specification of processing, be arranged in the horizontal stroke plate and perpendicular in two kinds of plates of plate, splicing place is pasted with low adhesive tape; Length of tape is controlled between four holes, adhesive tape is long, the dipping peel strength of sheet material will be influenced, wherein, the veneer that the solid wooden compound floor top layer is used soaked 15 hours in phosphorus flame retardant and the composite mass percent concentration of boron flame retardant are 25% the aqueous solution, and to be dried to moisture content under 120 ℃ condition be 10%, phosphorus flame retardant is to mix at 1: 2 according to mass percent with the boron flame retardant, any one in phosphorus flame retardant ammonium dihydrogen phosphate (ADP), ammonium sulfate, close ammonium, the APP; The boron flame retardant adopts any one in boric acid, the Firebrake ZB, thereby makes it have the performance of fire-retardant fireproof;
(3) cloth glue, assembly
To sequencing the Eucalyptus veneer of core, on cloth glue machine, carry out cloth glue, the glue application amount is controlled at 75g/m
2Then, with plate in the horizontal stroke of gluing with perpendicular in the plate face be glued together;
(4) cold pressing
The middle plate that has glued together sent into carry out precompressed in the cold press, squeeze time was controlled at 30 minutes, and pressure is controlled at 10Mpa;
(5) cut core, repairing
Middle plate after the precompressed is carried out the surface cut core,, have the place of space or scarce core to repair with batten to overlapping veneer being arranged with the cutter mowing or with the cutter planing;
(6) cloth glue, assembly (secondary)
The middle plate of repairing after the arrangement is carried out double spread, and glue-spread is controlled at 50g/m
2About, glue is stacked together in the face of the glue face, stacks the number of plies and carries out the proportioning combination according to the thickness of being processed;
(7) cold pressing
The middle plate that has combined sent in the cold press cold pressing, cold pressing 30 minutes time pressure 10Mpa;
(8) hot pressing
Through the substrate after colding pressing, put into hot press by every, put two plate substrates on every layer of heat shielding plate, to reach the degree of balance of hot press, the substrate charging rate was controlled in 2 minutes, and hot pressing time is 15 minutes, 120 ℃ of temperature, pressure 15Mpa;
(9) sanding
Through the health cycle about a week, substrate is carried out thick surely sanding after the hot pressing, need be with three abrasive finishing machine abrasive finishings during sanding, the preceding abrasive band of sander model is 60 yards, and the centre is 80 yards, and trailing wheel is 100 yards; The plate face must put in place in sanding during sanding, does not have the sand of leakage phenomenon, otherwise sanding again;
(10) cloth glue, assembly (three times)
Substrate through fixed thick sanding after, select the 3rd layer of base plate bottom central layer to be made up with the thick PVC rubber layer of 1.6mm; Promptly at first, with special gelatin the PVC rubber layer is carried out double spread, and overlay at once on base material, another side increases two-layer Eucalyptus central layer again, and overlays on the PVC rubber layer, then, colds pressing, and the time is 5 hours, pressure 10Mpa; The PVC rubber layer is installed between the Eucalyptus central layer, and it is unaffected to make that not only timber floor is installed firm degree, can also play the function of sound insulation, antidetonation, and feel is more comfortable than other similar composite floor board;
(11) saw limit
With the substrate that overlays, according to processing request length and width are sawed limit, integer, length is sawn into 940mm, and width is sawn into the substrate of 1230mm;
(12) cloth glue, veneer
The substrate of having put in order is carried out plate face veneer, and surface layer wood skin is 60S, and substrate carries out plate face gluing through cloth glue machine, and glue-spread is 40g/m
2, then,, stick on wooden skin on the substrate one by one according to the line ball on the substrate;
(13) cold pressing
Substrate behind the veneer sent into carry out precompressed in the cold press, squeeze time is 10 minutes, pressure 2Mpa, the real 30 minutes pressure time, pressure 15Mpa places then to carry out next step hot pressing, colding pressing to hot pressing time to surpass 12 hours, otherwise glue will solidify voluntarily;
(14) hot pressing
Substrate after will colding pressing carries out hot pressing, makes glue-line accelerate to solidify, hot pressing time 12 minutes, and pressure 10Mpa, 120 ℃ of temperature, moisture content is controlled in 14%;
(15) substrate health
Solid wooden compound floor after the hot pressing is put into the warehouse carry out health, to reach the purpose of equilibrium moisture content, conditioned time is seven days, and accomplishes first in first out;
(16) saw plate
With behind the veneer the substrate that puts in place of health be sawn into the floor blank of required specification, general conventional specification is charge length 93cm, width 13.3cm, the wooden skin width in surface is no less than 12.9cm, flexibility≤the 0.3cm of sheet material, moisture content are controlled in 14%, and moisture content exceeds standard and stops to put into production;
(17) blanket check
According to different seeds,, and the defective that occurs on the blank is carried out data feed back texture, aberration defectiveness such as the warpage of blank, the plate classify and pile up of overlapping, scarce core;
(18) sanding
Floor blank after the go-on-go is anticipated thick sanding, and surface layer frosted amount is 10 during sanding, and the frosted amount is 25 at the bottom of the plate, the abrasive band model: the end is 100 yards, and face is 120 yards;
(19) four side moulder
To the blanket after the fixed thick sanding, to carry out Fixed width according to processing request and handle, the composite floor board charging rate was controlled at 28m/ minute, air pressure 3kg;
(20) paint (once)
Blanket is carried out surface paint handle,, make the plate face reach smooth effect through the filling of three road priming paint;
(21) double end is milled
Through the semi-finished product blanket behind the priming paint, the floor of being processed into Len req, charging rate is controlled at 30 slices/minute, air pressure 1kg; After the uniformity of the chamfering at two ends, floor and piece difference of height confirmed, can produce in batches;
(22) paint (secondary)
Floor panel face to back cover carries out the paint work second time, in paint, add the Nano titanium dioxide photocatalyst, its dosage is the 0.5-1% of paint quality, at first must press sample production, must proofread the color of model in process of production often, glossiness, the transporting velocity of sander are 16m/ minute, laser curing velocity was controlled at 16m/ minute, the abrasive band model is 320 yards, and glossiness is generally 70 ℃ ± 5 ℃ of leaching paints, 50 ℃ ± 5 ℃ in roller lacquer; Coating weight: general end 70g/m
2, wear-resisting end 30g/m
2, finish paint 15g/m
2, leaching paint is 7;
(23) test package
Finished product floor behind the paint is carried out go-on-go according to GB floor quality standard and packed, physicochemical property report according to scientific research center, the differentiation of color and grade is carried out on the floor, then, kind, title, specification, quantity and look number are described on Packaging Box.