CN104139429A - Method for manufacturing novel multi-layer fireproof solid wood board - Google Patents
Method for manufacturing novel multi-layer fireproof solid wood board Download PDFInfo
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- CN104139429A CN104139429A CN201410346945.9A CN201410346945A CN104139429A CN 104139429 A CN104139429 A CN 104139429A CN 201410346945 A CN201410346945 A CN 201410346945A CN 104139429 A CN104139429 A CN 104139429A
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Abstract
The invention discloses a method for manufacturing a novel multi-layer fireproof solid wood board. The method comprises the following steps that physical softening treatment is carried out on logs; miniaturization processing is carried out on the treated logs to form veneers; a fire retardant is prepared; flame retardance treatment is carried out on the veneers, and the veneers are dried through a vacuum chamber; the veneers are spliced to form a whole board, panels and cores are sorted out and then are arranged to form a full-longitudinal multi-layer board structure which is coated with E1 level fireproof adhesive; the full-longitudinal multi-layer board is formed in a press fit mode through a hot press, and the wood is optimized through scientific pressure ratio, scientific compression ratio and scientific compression time; the multi-layer solid wood board is more stable and does not deform due to the unique preservation cycle; the four edges are cut off, and a sander is used for sanding and thickness fixation; the longitudinal multi-layer solid wood board is sawn to from a plurality of layers of battens, and the thickness is determined as required, and consistent with the thickness of a deformation-preventing multi-layer laminated fireproof solid wood board; the surfaces, with natural texture, of the layers of battens are coated with the adhesive, the battens are placed into an automatic board splicing machine perpendicular to the top of a workbench, pressurization, high frequency and automatic heating are carried out to form the deformation-preventing multi-layer laminated fireproof solid wood board at a time, the four edges are sawn off, sanding is carried out to fix the thickness, the cross section of the whole spliced deformation-preventing multi-layer laminated solid wood board has multiple layers, and one or two layers of transverse veneers are bonded to each of the two faces of the deformation-preventing multi-layer laminated solid wood board.
Description
Technical field
The present invention relates to a kind of preparation method of fireproof multi-layer board, particularly relate to the preparation method of the anti-plate of a kind of novel solid wood multilayer Multi-level Fire.
Technical background
PLASTIC LAMINATED demand is larger in the market, and existing multi-layer sheet, glued board combustion heat value are higher, catching fire temperature is lower, flame propagation velocity is very fast, belong to combustible material, in the time that these sheet materials are met fire burning, wood plies is peeled off, carbonization speed is fast, is generally 0.8mm/min ~ 1.3mm/min; Mechanical property reduces, and hygroscopicity increases; Current existing fire-proof plywood cannot meet instructions for use, and at high temperature, fire retardant impels timber composition dehydration carbonization, becomes charcoal non activated, will cause the carbonomonoxide concentration in smog to increase, and the harmfulness in fire hazard aerosol fog strengthens; Although the fireproof multi-layer board fire line of high-quality has reached national standard on market because non-moistureproof, flatness is bad, distortion, warpage, etc. problem, can not be used in the purposes such as furniture, ornament materials, timber, integrated house.
Summary of the invention
The invention provides a kind of preparation method of novel solid wood multilayer PLASTIC LAMINATED, can address the above problem preferably, adopt fabrication techniques process and unique structure of science to take the lead in having broken through above-mentioned technical barrier.
The object of the invention is in order to provide one better to address the above problem, and can make full use of the materials such as artificial rapid-result woods and two, three grades of discarded veneers, economize on resources, the preparation method of a kind of novel solid wood multilayer PLASTIC LAMINATED that fire protecting performance improves.
For achieving the above object, the present invention is achieved by the following technical solutions: a kind of preparation method of novel solid wood multilayer PLASTIC LAMINATED, comprise sheet making, flame treatment, vacuum drying, jigsaw, repairing, leave standstill the technical process such as health, stacking splicing, it is characterized in that: concrete steps are:
1., by log slicing or be peeled into the veneer that thickness is 1.8mm～2.0mm;
2., veneer is become to the sheet material of Three Estate by quality classification;
3., veneer is done to flame treatment, finish the veneer of flame treatment and put into vacuum dryer, dry the veneers in moisture content 8%;
4., the veneer being dried is carried out to jigsaw and repairing, and in the veneer reverse side uniform gluing of upper and lower surface layer, other single plate double side uniform gluing; Glue standard is environmental protection EO level, and gum concentration is 70%, the selection of glue class: melmac class or phenolic resin glue (PF) class etc.; Waterproof gum
5., the longitudinal veneer that is painted with glue is lined up, make multi-layer sheet through HTHP one formable layer; Fixed thick sanding;
, multi-layer sheet obtained above is left standstill to health, fixed thick sanding;
: multi-layer sheet obtained above is dismissed to four limits, make solid wood multi-layer PLASTIC LAMINATED as Fig. 2;
: multi-layer sheet obtained above is sawn into some root multi-layer laths as Fig. 3, and width is determined as required, and with anti-deformation solid wood multi-layer stack PLASTIC LAMINATED consistency of thickness, this plate is by multilayer lath rotation 90
oc is vertical with work top to be used, and therefore the width of multilayer lath is also the thickness of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED;
: by some root multi-layer lath natural texture faces obtained above (W face) gluing, and with the vertical automatic plate-splicing machine (that is to say that multilayer lath cross section (J face) is parallel with work top) of putting into of work top, pressurization, high frequency, Automatic-heating once-forming are made anti-deformation solid wood multi-layer stack PLASTIC LAMINATED (as Fig. 5), and the whole face of solid wood multi-layer stack PLASTIC LAMINATED after being combined into is multilayer lath cross section (J face); The vertical technique of spelling of this multi-layer sheet stack is on fireproof multi-layer board basis, further to have done again anti-deformation in-depth to process;
: anti-deformation solid wood multi-layer obtained above stack PLASTIC LAMINATED double spread is pasted to horizontal veneer one deck or two layers and put into High-frequency machine one-shot forming (as figure), repair, amputate four limits, sanding is fixed thick.The vertical technique of spelling of original multiple-layer stacked, lateral pull plate in addition, has eliminated the internal stress of timber to greatest extent; Not only thoroughly solve timber distortion, bad this difficult problem of warpage flatness, also greatly improved fire protecting performance.
The described step fire retardant that 3. middle flame treatment is selected is:
Fire retardant mixed liquor a: water, triammonium phosphate, borax;
Solution b: water, zinc nitrate;
Mixed solution c: water, potassium hydroxide, γ-r-chloropropyl trimethoxyl silane;
Fire retardant glue d: melamine resin adehsive, ammonium sulfate;
Flame treatment step is:
I, the veneer of moisture content 70% is put into fire-retardant mixed liquor a soak 48 hours, after taking-up, dry, natural drying moisture content is below 40%, fire retardant mixed liquor a: water, triammonium phosphate, borax 100:22:21;
II, the following veneer of moisture content 30% that last process is obtained are put into zinc nitrate liquid b and are soaked 1 hour, after taking-up, dry, and natural drying moisture content is below 30%, zinc nitrate solution b: water, zinc nitrate 100:25;
III, the following veneer of moisture content 30% that last process is obtained are put into mixed solution c and are soaked 1 hour, after taking-up, dry, natural drying moisture content is below 25%, potassium hydroxide mixed liquor: water, potassium hydroxide, γ-r-chloropropyl trimethoxyl silane: 100:17:0.6.
IV, the veneer of finishing flame treatment is put into vacuum dryer, dry the veneers in moisture content 8%;
Described step 4. in, glue standard is environmental protection EO level, gum concentration is 70%, the selection of glue class: melmac class or phenolic resin glue (PF) class etc.; Waterproof gum: melamine resin adehsive, ammonium sulfate, flour 100:0.7:30.
Described step
with
: in, leave standstill health 20 days, dismiss on demand four limits; And front sand roller is determined thick with 60# abrasive band, rear sand roller 120# abrasive band, front sand roller is used 150# abrasive band, and rear sand roller carrys out sanding with 240# abrasive band.
Described object is achieved by the following scheme:
A preparation method for novel solid wood multilayer PLASTIC LAMINATED, is characterized in that: comprise the following steps:
The first step: first log is carried out to the softening processing of boiling, timber magma is done to physical treatment;
Second step: by log microminiaturization obtained above processing, be peeled into veneer, separate grade;
The 3rd step: veneer obtained above is put into vacuum dryer by the veneer of finishing flame treatment, dry the veneers in moisture content 8%;
The 4th step: be spliced into whole plate by fire-retardant veneer trimming obtained above and with sewing machine, by whole plate classification again, separate panel and core, all layers be the veneer of longitudinal texture, lines up complete longitudinal Multilayer Structure as Fig. 1, at the bonding face gluing of needs; Also can adopt as required normal plywood crossbar structure to arrange; Also can adopt as required many longitudinally few horizontal structural arrangement;
The 5th step: how will make fireproof multi-layer board with hot press through HTHP one step press after layer veneer gluing obtained above;
The 6th step: multi-layer fireproofing plate obtained above is left standstill to health 15-20 days;
The 7th step: multi-layer sheet obtained above is dismissed to four limits, and fixed thick sanding, makes solid wood multi-layer PLASTIC LAMINATED, as Fig. 2;
The 8th step: multi-layer sheet obtained above is sawn into some root multi-layer laths as Fig. 3, and width is determined as required, with anti-deformation solid wood multi-layer superimposed plates consistency of thickness, this plate is by multilayer lath rotation 90
oc is vertical with work top to be used, and therefore the width of multilayer lath is also the thickness of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED;
The 9th step: by some articles of multilayer lath natural texture faces obtained above (W face) gluing, and with the vertical automatic plate-splicing machine (that is to say that multilayer lath cross section (J face) is parallel with work top) of putting into of work top, pressurization, high frequency, Automatic-heating once-forming are made anti-deformation solid wood multi-layer stack PLASTIC LAMINATED (as Fig. 5), and the whole face of solid wood multi-layer stack PLASTIC LAMINATED plate after being combined into is multilayer lath cross section (J face); The vertical technique of spelling of this multi-layer sheet stack is on anti-deformation plate base, further to have done again anti-deformation in-depth to process;
The tenth step: anti-deformation solid wood multi-layer just obtained above stack PLASTIC LAMINATED plate double spread pastes horizontal veneer one deck or two layers and puts into High-frequency machine one-shot forming (as Fig. 6), repairs, amputates four limits, sanding is calmly thick.The vertical technique of spelling of original multiple-layer stacked, lateral pull plate in addition, has eliminated the internal stress of timber to greatest extent; Not only thoroughly solve timber distortion, bad this difficult problem of warpage flatness, also greatly improved fire protecting performance.
First the described first step softens log that to process be log to be carried out to boiling is softening to be processed, and soaks 6-10 hour, then with 1.5～3 atmospheric steam, water spray to steaming and heat;
Second step carries out microminiaturization processing, and to make veneer be by log slicing or be peeled into veneer, first log is stuck on slicer or peeler, regulates the speed, and adjustment thickness is 1.8-2mm, and log is cut into 1.8-2mm veneer, separates grade.
Veneer is done flame treatment by described the 3rd step:
Fire retardant mixed liquor a: water, triammonium phosphate, borax;
Solution b: water, zinc nitrate;
Mixed solution c: water, potassium hydroxide, γ-r-chloropropyl trimethoxyl silane;
Fire retardant glue d: melamine resin adehsive, ammonium sulfate;
Flame treatment step is:
I, the veneer of moisture content 70% is put into fire-retardant mixed liquor a soak 48 hours, after taking-up, dry, natural drying moisture content is below 40%, fire retardant mixed liquor a: water, triammonium phosphate, borax 100:22:21;
II, the following veneer of moisture content 30% that last process is obtained are put into zinc nitrate liquid b and are soaked 1 hour, after taking-up, dry, and natural drying moisture content is below 30%, zinc nitrate solution b: water, zinc nitrate 100:25;
III, the following veneer of moisture content 30% that last process is obtained are put into mixed solution c and are soaked 1 hour, after taking-up, dry, natural drying moisture content is below 25%, potassium hydroxide mixed liquor: water, potassium hydroxide, γ-r-chloropropyl trimethoxyl silane: 100:17:0.6.
IV, the veneer of finishing flame treatment is put into vacuum dryer, dry the veneers in moisture content 8%;
Described the 4th step, by the veneer trimming of longitudinal texture of picking out, by multi-layer sheet specification reservation surplus 50mm, is spliced into whole plate with sewing machine and makees panel; Defective veneer reaches technological standards veneer that require, fillet through repairing and do core after being spliced into whole plate; All layers are the veneer of longitudinal texture, line up complete longitudinally multi-layer sheet, and upper deck panels and lower floor's panel are reverse side uniform gluing, and other layer of veneer is double-faced uniform gluing, selects environmental protection E0 level; The mass concentration of glue is 70% glue, and glue is natural plant gum or isocyanates PMDI or the phenolic resin glue PF that zero formaldehyde discharges; Upper strata surface layer plate and subsurface laminate are reverse side gluings, the equal double spread of other veneers; Surface layer veneer and balance laminate veneer thickness are 1.7～2.0mm; Also can arrange as required as required.
Described the 5th step: glue-coated veneer is put into well to hot press by the structural arrangement of design, and the veneer pressure that pressure is adjusted into 15kg/ ㎝ 2 or high-quality is adjusted into 4kg/ ㎝ 2; Compression ratio is adjusted into 92%, and hot pressing time is 15 minutes/㎝, and temperature is controlled at 110-115 DEG C, is pressed into multi-layer sheet; The good multi-layer sheet of pressing is placed on the platform of appointment to the 6th step: leave standstill and deposit left and right health in 20 days; The 7th: dismiss on demand four limits, fixed thick sanding.The 8th step: longitudinal multilayer solid wood board is sawn into multilayer lath, and width is determined as required, with anti-deformation solid wood multi-layer superimposed plates consistency of thickness;
The 9th step: multilayer lath natural texture face gluing, and put into automatic plate-splicing machine (that is to say multilayer lath erect use) vertical with work top, adopt E0 level aquosity polymer isocyanic ester system splicing glue, with frequency be 6.78KHz; The multi-layered board splicing time that 20mm is thick is 2-3 minute, and lateral pressure is 15-16 ton; The multi-layered board splicing time that 50mm is thick is 4-5 minute, and lateral pressure is 17-18 ton.Pressurization, high frequency, Automatic-heating once-forming are made anti-deformation solid wood multi-layer superimposed plates, amputate four limits, sanding fixed thick, and the whole face of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED plate after being combined into is that multilayer lath cross section (J face) is as Fig. 5;
Described the tenth step: anti-deformation solid wood multi-layer superimposed plates double spread just obtained above pastes horizontal veneer one deck or two layers and puts into High-frequency machine one-shot forming (as Fig. 6), repairs, and amputates four limits, sanding is fixed thick.The vertical technique of spelling of original multiple-layer stacked, lateral pull plate in addition, has eliminated the internal stress of timber to greatest extent; Not only thoroughly solve timber distortion, bad this difficult problem of warpage flatness, greatly improved fire protecting performance.
The invention has the beneficial effects as follows:
Water resistance of the present invention is very good, and the multi-layer sheet after synthesizing does not come unglued, oozes to steep do not ftracture for 160 hours through cold water through boiling water boiling for 24 hours.
The present invention has summed up the pressure of experience in HTHP heat treatment of more than 30 years, temperature, and the time has further strengthened the stability of timber, has improved the density of timber, has optimized the intensity of timber, makes multi-layer sheet more solid.
The preserving period that the present invention is original, time further strengthened the stability of timber, greatly limit has ensured that sheet material is indeformable, the probability of warpage.
The vertical core process of spelling of multiple-layer stacked that the present invention is original is on the basis of solid wood multi-layer PLASTIC LAMINATED, further to have done again anti-deformation in-depth to process; Being cut into some multilayer laths, is to be again the balance of a wood internal stress by timber microminiaturization essence again; After natural texture face gluing, splice, that is to say it is by original multilayer battened construction rotation 90
oc, natural texture splices mutually, the whole face of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED after being combined into is multilayer lath cross section, this invention has not only changed the direction of multilayer flaggy base, Double-face adhesive one deck or two-layer lateral pull plate, eliminate greatly the internal stress of timber, thoroughly solved timber distortion, warpage, cracking, bad this difficult problem of flatness, the more important thing is and greatly improved fire protecting performance.This is an invention of great significance, is also the important breakthrough of an industry difficult problem.
The present invention is made up of 100% veneer, sound insulation, heat insulation, remarkable every cool effect, and it has made up the deficiency of current solid wood board, splice plate, finger-jointed plate, multi-layer sheet, density board, particieboard, core-board; Solved furniture, decoration ornament materials and timber core material is not prevented fires, not environmental protection, non-watertight, non-moistureproof, sleeping nail property are poor, it has also solved multi-layer sheet solid wood board and has existed the problem of flexible type, warpage, cracking simultaneously, has filled up technological gap of China.Use the plate of the present invention's making with respect to composites such as existing fireproof multi-layer board, solid wood board, wood-based plates, can reach at least 5-10 effect doubly that increases the service life, the present invention will become best novel solid wood multilayer PLASTIC LAMINATED, quality is extremely stable, cheap, can apply with modern integrated house, decorative panel, indoor and outdoor wallboard, furniture, timber etc. of many usesly, future develop is good, is more conducive to applying of existing market.
There is porous, anisotropy and variability natural defect according to timber, find by rule researchs such as tens thousand of warp in wood modification crackings, the wider modification warping and cracking of original plank face is more serious, the narrower modification warping and cracking of opposite plate face is lighter or less, narrow not only can the impact of plate face attractive in appearancely also can raise the cost, and therefore my R&D team of company has obtained achievement of the present invention through further investigation for many years.Know-why of the present invention is to greatest extent by solid wood thickness microminiaturization, after being become to veneer, plank thickness spells mutually again, can eliminate to greatest extent like this internal stress of sheet material, having limited to greatest extent sheet material expands or shrinks, thereby under the true qualities prerequisite that has ensured natural timber, solve again solid wood modification, warpage, problems of crack at all, reduced cost, the finger joint lumber that its not only desirable code name is expensive but also wood-based plate that can alternative composite.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.
Accompanying drawing (1) is single plate structure allocation plan of the present invention.
Accompanying drawing (2) is the axonometric drawing of solid wood multi-layer PLASTIC LAMINATED.
Accompanying drawing (3) is the axonometric drawing of the multilayer lath that is cut into solid wood multi-layer PLASTIC LAMINATED.
Accompanying drawing (4) is the top view of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED.
Accompanying drawing (5) is the axonometric drawing of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED.
Accompanying drawing (6) is the structure chart of novel solid wood multilayer PLASTIC LAMINATED.
Embodiment 1:
A preparation method for novel solid wood multilayer PLASTIC LAMINATED, is characterized in that: comprise the following steps:
The first step: first log is carried out to the softening processing of boiling, timber magma is done to physical treatment;
Second step: by the processing of log microminiaturization, be peeled into veneer;
The 3rd step: veneer is dried after doing flame treatment;
The 4th step: be first spliced into whole plate by veneer trimming and with sewing machine, by whole plate classification again, separate panel and core, all layers are the veneer of longitudinal texture, line up multi-layer sheet, at the bonding face gluing of needs; Also can adopt as required normal plywood crossbar structure to arrange; Also can adopt as required many longitudinal, few transversaries to arrange;
The 5th step: multilayer single plate is made to multi-layer sheet with hot press through HTHP one step press;
The 6th step: leave standstill health;
The 7th step: dismiss four limits, fixed thick sanding, makes complete longitudinally multilayer solid wood board PLASTIC LAMINATED;
The 8th step: complete longitudinally multilayer solid wood board PLASTIC LAMINATED is sawn into multilayer lath, and width is determined as required, with anti-deformation solid wood multi-layer stack PLASTIC LAMINATED consistency of thickness;
The 9th step: multilayer lath natural texture face gluing, and put into automatic plate-splicing machine vertical with work top, pressurization, high frequency, Automatic-heating once-forming are made anti-deformation solid wood multi-layer stack PLASTIC LAMINATED, amputate four limits, sanding fixed thick, the whole face of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED after being combined into is multi-layer sheet section.
Described the tenth step: anti-deformation solid wood multi-layer obtained above stack PLASTIC LAMINATED double spread is pasted to horizontal veneer one deck or two layers and put into High-frequency machine one-shot forming (as Fig. 6), repair, amputate four limits, sanding is fixed thick.The vertical technique of spelling of original multiple-layer stacked, lateral pull plate in addition, has eliminated the internal stress of timber to greatest extent; Not only thoroughly solve timber distortion, bad this difficult problem of warpage flatness, greatly improved fire protecting performance.
Embodiment 2
First the described first step softens log that to process be log to be carried out to boiling is softening to be processed, first by log with 25-35 DEG C of water soaking 6-10 hour, then water is sprayed to steaming with 1.5～3 atmospheric steam; Second step carries out microminiaturization processing, and to make veneer be by log slicing or be peeled into veneer, first log is stuck on slicer or peeler, regulates the speed, and adjustment thickness is 1.8-2mm, and log is cut into 1.8-2mm veneer.
Embodiment 3
The veneer that described the 3rd step is just finished flame treatment is put into vacuum dryer, dries the veneers in moisture content 8%;
Embodiment 4
Described the 4th step, by the veneer trimming of longitudinal texture of picking out, by multi-layer sheet specification reservation surplus 50mm, is spliced into whole plate with sewing machine and makees panel; Defective veneer reaches technological standards veneer that require, fillet through repairing and do core after being spliced into whole plate; All layers are the veneer of longitudinal texture, line up multi-layer sheet, and upper deck panels and lower floor's panel are reverse side uniform gluing, and other layer of veneer is double-faced uniform gluing, selects environmental protection E1 level Waterproof gum; The mass concentration of glue is 70% glue, and melamine resin adehsive upper strata surface layer plate and subsurface laminate are reverse side gluings, the equal double spread of other veneers; Veneer thickness is 1.7～2.0mm; Also can arrange as required as required.Waterproof gum: melamine resin adehsive, ammonium sulfate, flour 100:0.7:30.
Embodiment 5
Described the 5th step: glue-coated veneer is put into well to hot press by the structural arrangement of design, and the veneer pressure that pressure is adjusted into 15kg/ ㎝ 2 or high-quality is adjusted into 4kg/ ㎝ 2; Compression ratio is adjusted into 92%, and hot pressing time is 15 minutes/㎝, and temperature is controlled at 110-115 DEG C, is pressed into multi-layer sheet; The good multi-layer sheet of pressing is placed on the platform of appointment to the 6th step: leave standstill and deposit left and right health in 20 days; The 7th: dismiss on demand four limits, fixed thick sanding.
Embodiment 6
Described the 9th step: adopt E0 level aquosity polymer isocyanic ester system splicing glue, with frequency be 6.78KHz; The multi-layered board splicing time that 20mm is thick is 2-3 minute, and lateral pressure is 15-16 ton; The multi-layered board splicing time that 50mm is thick is 4-5 minute, and lateral pressure is 17-18 ton.
Every layer of veneer texture in accompanying drawing (1) is full vertical structure.
J in accompanying drawing (2) anti-deformation multi-layer sheet is multi-layer sheet cross section, and W is natural texture face
J in accompanying drawing (3) is multilayer lath cross section, and W is natural texture face, is cut out and is formed by I template.
J in accompanying drawing (4) is that whole plate of anti-deformation solid wood multi-layer superimposed plates is multi-layer sheet cross section, is made up of the some multilayer laths of Fig. 3.
Multilayer lath natural texture face gluing in accompanying drawing (5), and put into automatic plate-splicing machine vertical with work top, adopt E0 level aquosity polymer isocyanic ester system splicing glue, with frequency be 6.78KHz; The multi-layered board splicing time that 20mm is thick is 2-3 minute, and lateral pressure is 15-16 ton; The multi-layered board splicing time that 50mm is thick is 4-5 minute, and lateral pressure is 17-18 ton; Pressurization, high frequency, Automatic-heating once-forming are made anti-deformation solid wood multi-layer superimposed plates, amputate four limits, sanding fixed thick, and the whole face of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED after being combined into is multilayer lath cross section; The vertical technique of spelling of original multiple-layer stacked is on solid wood multi-layer PLASTIC LAMINATED basis, further to have done again anti-deformation in-depth to process; Being cut into some multilayer laths, is to be again the balance of a wood internal stress by timber microminiaturization essence again; After natural texture face gluing, splice, that is to say it is by original multilayer battened construction rotation 90
oc, natural texture splices mutually, and the whole face of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED after being combined into is multilayer lath cross section.
In accompanying drawing (6): anti-deformation solid wood multi-layer obtained above stack PLASTIC LAMINATED double spread is pasted to horizontal veneer one deck or two layers and put into High-frequency machine one-shot forming (as Fig. 6), repair, amputate four limits, sanding is fixed thick.The vertical technique of spelling of original multiple-layer stacked, lateral pull plate in addition, this invention has not only changed the direction of multilayer flaggy base, has eliminated greatly the internal stress of timber, has thoroughly solved timber distortion, warpage, cracking, bad this difficult problem of flatness.This is an invention of great significance, is also the important breakthrough of an industry difficult problem.Eliminate to greatest extent the internal stress of timber; Not only thoroughly solve timber distortion, bad this difficult problem of warpage flatness, greatly improved fire protecting performance.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited, in addition; with other glue classes production this patent infrastructure products; produce this patent infrastructure product with rotary cut venner, use the product of crossbar structure, all within the protection domain of this patent.
Claims (5)
1. a preparation method for novel solid wood multilayer PLASTIC LAMINATED, is characterized in that: comprise the following steps:
The first step: first log is carried out to the softening processing of boiling, timber magma is done to physical treatment;
Second step: by the processing of log microminiaturization, be peeled into veneer;
The 3rd step: veneer is done to flame treatment, and the fire retardant that flame treatment is selected is:
Fire retardant mixed liquor a: water, triammonium phosphate, borax;
Solution b: water, zinc nitrate;
Mixed solution c: water, potassium hydroxide, γ-r-chloropropyl trimethoxyl silane;
Fire retardant glue d: melamine resin adehsive, ammonium sulfate;
Flame treatment step is:
I, the veneer of moisture content 70% is put into fire-retardant mixed liquor a soak 48 hours, after taking-up, dry, natural drying moisture content is below 40%, fire retardant mixed liquor a: water, triammonium phosphate, borax 100:22:21;
II, the following veneer of moisture content 30% that last process is obtained are put into zinc nitrate liquid b and are soaked 1 hour, after taking-up, dry, and natural drying moisture content is below 30%, zinc nitrate solution b: water, zinc nitrate 100:25;
III, the following veneer of moisture content 30% that last process is obtained are put into mixed solution c and are soaked 1 hour, after taking-up, dry, natural drying moisture content is below 25%, potassium hydroxide mixed liquor: water, potassium hydroxide, γ-r-chloropropyl trimethoxyl silane: 100:17:0.6.
IV, the veneer of finishing flame treatment is put into vacuum dryer, dry the veneers in moisture content 8%;
The 4th step: be first spliced into whole plate by veneer trimming and with sewing machine, by whole plate classification again, separate panel and core, the veneer that is longitudinal texture by all plies, lines up longitudinal multi-layer sheet, at the bonding face gluing of needs; Also can adopt as required normal plywood crossbar structure to arrange; Also can adopt as required many longitudinal, few transversaries to arrange;
The 5th step: multilayer single plate is made to multi-layer fireproofing plate with hot press through HTHP one step press;
The 6th step: leave standstill health;
The 7th step: multi-layer sheet obtained above is dismissed to four limits, and fixed thick sanding, makes solid wood multi-layer PLASTIC LAMINATED;
The 8th step: longitudinal solid wood multi-layer PLASTIC LAMINATED is sawn into multilayer lath, and width is determined as required, with anti-deformation solid wood multi-layer stack PLASTIC LAMINATED consistency of thickness;
The 9th step: multilayer lath natural texture face gluing, and put into automatic plate-splicing machine vertical with work top, pressurization, high frequency, Automatic-heating once-forming are made anti-deformation solid wood multi-layer superimposed plates, amputate four limits, sanding fixed thick, the whole face of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED after being combined into is multi-layer sheet cross section;
The tenth step: anti-deformation solid wood multi-layer obtained above stack PLASTIC LAMINATED double spread is pasted to horizontal veneer one deck or two layers and put into High-frequency machine one-shot forming and make novel solid wood multilayer PLASTIC LAMINATED, repair, amputate four limits, sanding is fixed thick.
2. the preparation method of novel solid wood multilayer PLASTIC LAMINATED according to claim 1, it is characterized in that: first the first step softens log processing is that log is carried out to the softening processing of boiling, first by log with 25-35 DEG C of water soaking 6-10 hour, then water is sprayed to steaming with 1.5～3 atmospheric steam; Second step carries out microminiaturization processing, and to make veneer be by log slicing or be peeled into veneer, first log is stuck on slicer or peeler, regulates the speed, and adjustment thickness is 1.8-2mm, and log is cut into 1.8-2mm veneer.
3. the preparation method of novel solid wood splice plate according to claim 1, is characterized in that: the 4th step, by the veneer trimming of longitudinal texture of picking out, by multi-layer sheet specification reservation surplus 50mm, is spliced into whole plate with sewing machine and makees panel; Defective veneer reaches technological standards veneer that require, fillet through repairing and do core after being spliced into whole plate; All layers are the veneer of longitudinal texture, line up forward multi-layer sheet, and upper deck panels and lower floor's panel are that reverse side is evenly coated with Waterproof gum, and other layer of veneer is double-faced uniform gluing, selects environmental protection E1 level melamine glue; The mass concentration of glue is 70% glue, and upper strata surface layer plate and subsurface laminate are reverse side gluings, the equal double spread of other veneers; Waterproof gum: melamine resin adehsive, ammonium sulfate, flour 100:0.7:30; Veneer thickness is 1.7～2.0mm; Also can arrange as required as required.
4. the preparation method of novel solid wood multilayer PLASTIC LAMINATED according to claim 1, it is characterized in that: the 5th step: glue-coated veneer is put into well to hot press by the structural arrangement of design, and the veneer pressure that pressure is adjusted into 15kg/ ㎝ 2 or high-quality is adjusted into 4kg/ ㎝ 2; Compression ratio is adjusted into 92%, and hot pressing time is 15 minutes/㎝, and temperature is controlled at 110-115 DEG C, is pressed into multi-layer sheet; The good multi-layer sheet of pressing is placed on the platform of appointment to the 6th step: leave standstill and deposit left and right health in 20 days; The 7th: dismiss on demand four limits, fixed thick sanding.
5. the preparation method of novel solid wood multilayer PLASTIC LAMINATED according to claim 1, is characterized in that: the 8th step: above-mentioned solid wood multi-layer PLASTIC LAMINATED is sawn into multilayer lath, and width is determined as required, with anti-deformation solid wood multi-layer stack PLASTIC LAMINATED consistency of thickness; The 9th step: multilayer lath natural texture face gluing, and put into automatic plate-splicing machine vertical with work top, adopt E0 level aquosity polymer isocyanic ester system splicing glue, with frequency be 6.78KHz; The multi-layered board splicing time that 20mm is thick is 2-3 minute, and lateral pressure is 15-16 ton; The multi-layered board splicing time that 50mm is thick is 4-5 minute, and lateral pressure is 17-18 ton; Pressurization, high frequency, Automatic-heating once-forming are made anti-deformation solid wood multi-layer stack PLASTIC LAMINATED, amputate four limits, sanding is fixed thick, and the whole face of anti-deformation solid wood multi-layer stack PLASTIC LAMINATED after being combined into is multi-layer sheet cross section.
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| CN110696117A (en) * | 2019-11-12 | 2020-01-17 | 石家庄华杰木业有限公司 | Impregnated bond paper facing laminated wood board applied to core board and manufacturing method thereof |
| CN113287878A (en) * | 2021-05-19 | 2021-08-24 | 丽水绿舰校具有限公司 | Manufacturing method of bedroom storage cabinet |
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Application publication date: 20141112 |