CN102528862A - Method for producing stable high-strength solid-wood composite board - Google Patents
Method for producing stable high-strength solid-wood composite board Download PDFInfo
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- CN102528862A CN102528862A CN2012100562298A CN201210056229A CN102528862A CN 102528862 A CN102528862 A CN 102528862A CN 2012100562298 A CN2012100562298 A CN 2012100562298A CN 201210056229 A CN201210056229 A CN 201210056229A CN 102528862 A CN102528862 A CN 102528862A
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Abstract
The invention discloses a method for producing a stable high-strength solid-wood composite board, which is characterized in determining and pre-treating of raw materials on each layer. A high-quality hard wood thin plate is used as a face (1) plate, a medium soft veneer is used as a core (2) plate and a relatively thick fast-growing wood material is used as a bottom (3) plate, at least two isosceles trapezoid-shaped grooves are formed on the bottom plate, trapezoid-shaped wood strips (4) fitting well with the grooves are inserted in the grooves, and the three plates are bonded together. After the three plates are laminated, the bonding strength, mechanical strength and deformation resistance of the composite board in the transverse direction are increased, so as to improve the stability. The invention has the advantages of providing a new approach to combined use of high-quality wood and fast-growing wood, increasing the application range of composite boards and increasing the added value of products.
Description
Technical field
The present invention relates to a kind of solid wood composite board production method of three-decker.
Background technology
Timber has beauty of nature sense and good physical and mechanical property, and processing back forms smooth surface and extremely people's favor is widely used in building, decoration and furniture manufacturing, has become indispensable raw material among the human lives.
The wildwood that the hard broadleaf of high-quality is got, growth cycle is long, and along with worldwide ecological deterioration, the situation of high-quality timber resource shortage is obvious all the more.Utilizing complex technique to improve the service efficiency of high-quality timber, is a kind of approach that solves timber resource shortage.CN1197876 disclose Che Ping Lei's " prevent three-layered glued wood floor distortion method "; Be on the monoblock base plate, to adopt the icking tool trace, stay round or press the method for oblique trace to overcome the distortion on floor; Understanding some effect aspect the solution stress equilibrium; But active force is little, and is inoperative to improving transverse strength aspect, floor.
Summary of the invention
The technical problem that the present invention will solve is: a kind of stable type high strength solid wood composite board production method is provided.
Solve the problems of the technologies described above and adopt following technical scheme:
This stable type high strength solid wood composite board production method, through layers of material confirm and preliminary treatment, select glue and applying glue, assembly, pressing and display, fluting and postprocessing working procedures, adopt following concrete measure to above-mentioned about operation:
(1) confirming and preliminary treatment of layers of material: the rectangular body of ground slab integral; The three-decker that is divided into surface layer, sandwich layer and bottom; Surface layer is a high-quality hardwood thin plate; Thickness 2～5mm, the overall width of entire plate or the plate that is spliced into is 50～1000mm, the total length of entire plate or the plate that is spliced into is 600～1800mm; Thick 0.8～the 2.0mm of sandwich layer is the veneer of the middle soft wood of monoblock, and length and width are consistent with the total length and the overall width of surface layer; Primer is with the fast growing wood of single stack pile, or fast growing wood side jigsaw or the finger wood side jigsaw arranged in the same way with the texture of many stack piles, thickness 8～35mm; Bottom layer length and width are consistent with the length and the width of surface layer; On the end face of bottom plate longitudinally, open at least two horizontal isosceles trapezoid grooves parallel to each other, the center line of outermost two dovetail grooves is from the spacing 120～150mm of this bottom plate near-end, and every interval 200～300mm increases an isosceles trapezoid groove again between these two dovetail grooves; The degree of depth of this groove is 2/5～2/3 of a bottom plate thickness; Wide 20～the 50mm of the bottom land of every dovetail groove, the inclined angle alpha of the two waists of dovetail groove is 8～10 degree, after being coated with normal temperature cured type glue on this groove bottom and the two central plane; The batten that inserted-shape and size are all identical with this groove solidifies and to compose sanding surface after the one;
(2) select glue and applying glue: select the isocyanate glue of urea-formaldehyde resin adhesive or normal temperature cured type, to the double spread up and down of sandwich layer veneer, urea-formaldehyde resin adhesive single spreading amount 120～160g/m
2, isocyanate glue single spreading amount 160～180g/m
2
(3) assembly: no matter entire plate still is the plate of polylith splicing to the surface layer veneer of rectangle; Its grain direction is all consistent with length direction to be vertical arrangement; The sandwich layer veneer of rectangle; Its grain direction is consistent with width to be transversely arranged, and promptly surface layer and sandwich layer one vertical and one horizontal are fitted, and the texture of bottom plate is consistent with the texture of surface layer plate to be vertical arrangement;
(4) pressing: with urea-formaldehyde resin adhesive, its single spreading amount 120～160g/m
2, behind the assembly slab is sent in the hot press 100～110 ℃, 1～2MPa pressure and presses down 3min; Release again, get plate, smooth stacking; If with isocyanate glue, its single spreading amount 160～180g/m
2, behind the assembly slab is sent into cold press and press down 45min at normal temperature, 1～2MPa pressure, release again, get plate, smooth stacking.
Not giving specifically described other each operation handles by conventional method.
Vertically the intensity with horizontal is high to the invention has the beneficial effects as follows the composite plate of processing, and rationally utilizes high-quality timber and fast growing wood, and the adding of trapezoidal horizontal cutting has increased horizontal splicing intensity, mechanical strength and non-deformability, and the stability of slab integral improves.
Description of drawings
Fig. 1 is this stable type high strength solid wood composite board structural representation;
Fig. 2,3,4 is respectively the structural representation that entire plate, side jigsaw, finger wood side jigsaw are made the bottom plate;
The specific embodiment
The present invention below will combine embodiment and further detail with reference to accompanying drawing:
Referring to accompanying drawing 1; Wherein surface layer 1 plate is the thin plate of assortments such as high-quality hardwood or clean mark timber such as oak, beech, maple wood, teak, masson pine; Process the small breadth rectangular slab, adopt entire plate to make the surface layer plate, process the little plank of more available polylith of panel is combined into.Sandwich layer 2 is a soft wood single-plate among poplar, the Liu An etc.The plate of bottom 3 is entire plate or side jigsaw or finger wood side jigsaw, and the isosceles trapezoid groove is arranged on the bottom plate, and inserting embedding in the groove and gluing together has batten 4.
Embodiment:
(1) confirming and preliminary treatment of layers of material:
Surface material: surface layer 1 material is used the oak thin plate, and this lamella thickness is that 2mm, width are that 90mm, length are 900mm, and moisture content is 6～8%;
The material of sandwich layer 2: with the board using poplar board of thickness 1.0mm;
The material of bottom 3: use three thickness to be combined into overall width as 30mm, length as the China fir side of 900mm and make bottom plate (the also available single fast growing wood of primer, or be the finger wood side jigsaw that the texture of 8～35mm arranges in the same way make the bottom plate) with many thickness as the plate of 90mm as 16mm, width.The length of bottom plate and width are consistent with the length and the width of surface layer plate; On the end face of bottom composite plate longitudinally, open at least two horizontal isosceles trapezoid grooves (hereinafter to be referred as groove or dovetail groove) parallel to each other; The center line of outermost two dovetail grooves is from the spacing 120mm of this bottom plate near-end; Every interval 220mm increases an isosceles trapezoid groove again between these two dovetail grooves, and the degree of depth of this groove is the 9mm of bottom plate thickness, the wide 30mm of the bottom land of every dovetail groove; The inclined angle alpha of the two waists of dovetail groove is 10 degree; After being coated with normal temperature cured type glue on this groove bottom and the two central planes, the batten that inserted-shape and size are all identical with this groove, curing composes sanding surface after the one;
(2) select glue and applying glue: select the isocyanate glue of urea-formaldehyde resin adhesive or normal temperature cured type, to the double spread up and down of sandwich layer veneer, the single spreading amount 150g/m of urea-formaldehyde resin adhesive
2, the single spreading amount 170g/m of isocyanate glue
2
(3) assembly: the plate that will execute the sandwich layer 2 of glue is placed on the plate of bottom 3; On the plate of sandwich layer, the surface layer thin plate is vertically placed again; The grain direction of surface layer plate and bottom plate is vertical arrangement along the length direction, transversely arranged vertical with the grain direction of the material of surface layer 1 and bottom 3 of the grain direction of the veneer of sandwich layer 2;
(4) pressing: with urea-formaldehyde resin adhesive, its single spreading amount 150g/m
2, behind the assembly slab is sent in the hot press 110 ℃, 1MPa pressure and presses down 3min; Release again, get plate, smooth stacking; If with isocyanate glue, its single spreading amount 170g/m
2, behind the assembly slab is sent into cold press and press down 45min at normal temperature, 1.2MPa pressure, release again, get plate, smooth stacking.
Not giving specifically described other each operation handles by conventional method.
An above-mentioned embodiment has been arranged, and colleague's those of ordinary skill launches to implement after just can relevant parameter being adjusted with drawing inferences about other cases from one instance one by one, and for this reason, the application's material is no longer enumerated a series of embodiment for for simplicity.
What need explanation is the plate of making surface layer 1 with hardwood, high-quality wood, timber veneer that decorative pattern is attractive in appearance, the one, and make composite plate that beautiful solid wood decorative pattern sense arranged, meet present popular consumer psychology, the 2nd, veneer is not only economized timber but also reduce stress.With in soft material single-board make middle layer plate, effects such as the strike-through performance is good, stress buffer are arranged.Thicker fast growing wood is made the bottom plate can rationally insert trapezoidal batten; The splicing intensity and the transverse strength of composite plate had both been increased; Strengthened horizontal non-deformability again, behind trapezoidal batten 4 gummeds of horizontal dovetail groove and identical shaped and size, be integrated; Add sandwich layer 2 and 3 whole gummeds of bottom, can not influence the longitudinal strength on floor basically.High-quality hardwood and fast growing wood have obtained rational collocation and have used.
Claims (1)
1. stable type high strength solid wood composite board production method through the confirming and preliminary treatment, select glue and applying glue, assembly, pressing, postprocessing working procedures of layers of material, is characterized in that adopting following concrete measure to above-mentioned about operation:
(1) confirming and preliminary treatment of layers of material: the rectangular body of ground slab integral; The three-decker that is divided into surface layer, sandwich layer and bottom; Surface layer is a high-quality hardwood thin plate; Thickness 2～5mm, the overall width of entire plate or the plate that is spliced into is 50～1000mm, the total length of entire plate or the plate that is spliced into is 600～1800mm; Thick 0.8～the 2.0mm of sandwich layer is the veneer of the middle soft wood of monoblock, and length and width are consistent with the total length and the overall width of surface layer; Primer is with the fast growing wood of single stack pile, or fast growing wood side jigsaw or the finger wood side jigsaw arranged in the same way with the texture of many stack piles, thickness 8～35mm; Bottom layer length and width are consistent with the length and the width of surface layer; On the end face of bottom plate longitudinally, open at least two horizontal isosceles trapezoid grooves parallel to each other, the center line of outermost two dovetail grooves is from the spacing 120～150mm of this bottom plate near-end, and every interval 200～300mm increases an isosceles trapezoid groove again between these two dovetail grooves; The degree of depth of this groove is 2/5～2/3 of a bottom plate thickness; Wide 20～the 50mm of the bottom land of every dovetail groove, the inclined angle alpha of the two waists of dovetail groove is 8～10 degree, after being coated with normal temperature cured type glue on this groove bottom and the two central plane; The batten that inserted-shape and size are all identical with this groove solidifies and to compose sanding surface after the one;
(2) select glue and applying glue: select the isocyanate glue of urea-formaldehyde resin adhesive or normal temperature cured type, to the double spread up and down of sandwich layer veneer, urea-formaldehyde resin adhesive single spreading amount 120～160g/m
2, isocyanate glue single spreading amount 160～180g/m
2
(3) assembly: no matter entire plate still is the plate of polylith splicing to the surface layer veneer of rectangle; Its grain direction is all consistent with length direction to be vertical arrangement; The sandwich layer veneer of rectangle; Its grain direction is consistent with width to be transversely arranged, and promptly surface layer and sandwich layer one vertical and one horizontal are fitted, and the texture of bottom plate is consistent with the texture of surface layer plate to be vertical arrangement;
(4) pressing: with urea-formaldehyde resin adhesive, its single spreading amount 120～160g/m
2, behind the assembly slab is sent in the hot press 100～110 ℃, 1～2MPa pressure and presses down 3min; Release again, get plate, smooth stacking; If with isocyanate glue, its single spreading amount 160～180g/m
2, behind the assembly slab is sent into cold press and press down 45min at normal temperature, 1～2MPa pressure, release again, get plate, smooth stacking.
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| CN2012100562298A CN102528862A (en) | 2012-03-06 | 2012-03-06 | Method for producing stable high-strength solid-wood composite board |
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| CN2012100562298A CN102528862A (en) | 2012-03-06 | 2012-03-06 | Method for producing stable high-strength solid-wood composite board |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507137A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing green environmental-protection solid wood multilayer door sheet |
| CN103507126A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing environment-friendly energy-saving multi-layer solid wood fire-proof plate |
| CN103507127A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing green environmental-protection solid wood multilayer decorative board |
| CN103507125A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing green environmental-protection solid wood multilayer plate |
| CN103586944A (en) * | 2013-11-06 | 2014-02-19 | 南京林业大学 | Method for manufacturing asymmetric structure platform floor by using poplar or fast-growing veneers |
| CN105666597A (en) * | 2016-03-07 | 2016-06-15 | 华南农业大学 | Decorative sheet structure and manufacturing method |
| EP2729644B1 (en) * | 2012-02-24 | 2016-09-28 | Sigment Design Metals Ltd. | Composite structural element |
| CN106182216A (en) * | 2016-07-08 | 2016-12-07 | 吴殿满 | Double-layer wood composite floor board and preparation method thereof |
| CN108818782A (en) * | 2018-06-08 | 2018-11-16 | 深圳市松博宇科技股份有限公司 | The composite board of anti-conquassation |
| CN108839142A (en) * | 2018-06-22 | 2018-11-20 | 大连瑞希特木业制品有限公司 | A kind of single side paster soft hardwood hybrid multilayer plate and its processing technology |
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| CN102166775A (en) * | 2011-01-21 | 2011-08-31 | 浙江富得利木业有限公司 | Production method of stabilized solid wood composite floor with buffer layer |
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| US20070062153A1 (en) * | 2005-08-31 | 2007-03-22 | Michael Li | Natural Wood Sandwiched Engineered Flooring |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2729644B1 (en) * | 2012-02-24 | 2016-09-28 | Sigment Design Metals Ltd. | Composite structural element |
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| CN103507137A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing green environmental-protection solid wood multilayer door sheet |
| CN103507126A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing environment-friendly energy-saving multi-layer solid wood fire-proof plate |
| CN103507127A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing green environmental-protection solid wood multilayer decorative board |
| CN103507125A (en) * | 2013-10-25 | 2014-01-15 | 黑龙江华信家具有限公司 | Method for manufacturing green environmental-protection solid wood multilayer plate |
| CN103586944A (en) * | 2013-11-06 | 2014-02-19 | 南京林业大学 | Method for manufacturing asymmetric structure platform floor by using poplar or fast-growing veneers |
| CN103586944B (en) * | 2013-11-06 | 2015-10-21 | 南京林业大学 | A kind of method adopting poplar or fast-growing veneer to manufacture unsymmetric structure platform floor |
| CN105666597A (en) * | 2016-03-07 | 2016-06-15 | 华南农业大学 | Decorative sheet structure and manufacturing method |
| CN106182216A (en) * | 2016-07-08 | 2016-12-07 | 吴殿满 | Double-layer wood composite floor board and preparation method thereof |
| CN108818782A (en) * | 2018-06-08 | 2018-11-16 | 深圳市松博宇科技股份有限公司 | The composite board of anti-conquassation |
| CN108839142A (en) * | 2018-06-22 | 2018-11-20 | 大连瑞希特木业制品有限公司 | A kind of single side paster soft hardwood hybrid multilayer plate and its processing technology |
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Application publication date: 20120704 |