Summary of the invention
The objective of the invention is to propose a kind of solid wooden compound floor that has vent hole structure on base material and manufacture method thereof, it can overcome existing wood flooring effectively and in use be prone to warpage and distortion, and the structure of existing underground heat wood flooring is unfavorable for the defective of heat transmission (mainly by heat conduction).
Technical solution of the present invention:
A kind of base material (sandwich layer and bottom) has the solid wooden compound floor of vent hole structure, it is characterized in that three layer construction, stick with glue agent gummed between top layer, sandwich layer, bottom three plates and form, when assembly during glue laminated, the machine direction of top layer and bottom plate is consistent, and vertical with the machine direction of middle layer plate; The fast growing wood solid wood composite board of its center core layer is to be formed by the splicing of some thin plate side direction; On the base material (sandwich layer and bottom) of composite floor board, offer a plurality of round vents, be beneficial to flash heat transfer.
A kind of base material (sandwich layer and bottom) has the manufacture method of the solid wooden compound floor of vent hole structure, it is characterized in that step is divided into one, the preparation of solid wooden compound floor dash board; Two, the preparation of composite floor board base material (sandwich layer and bottom); Three, the preparation of composite floor board.
Wherein one, the preparation of solid wooden compound floor sheet surface layer: the hard broadleaf dash board blank of certain size specification is carried out drying, make its moisture content 6~12%, be split into the thick dash board finished product of 3~6mm with buck saw or splitting machine.
Two, the preparation of composite floor board base material (middle layer plate and bottom plate): the fast growing wood solid wood composite board that its center core layer adopts is to be formed by the splicing of some thin plate side direction, it is fast growing wood rotary cut venner about 3mm that primer can adopt thickness, being dried to the veneer moisture content is 8~10%, sandwich layer and primer are pressed fiber vertical direction assembly, adopt common press gummed, pressure 1.0~1.5MPa, the thick glue laminated of carrying out of hot pressing 0.8~1.0min/mm pressing time blanket, form the base material blank, the base material blank is handled the back sawing with Line boring machine boring, can obtain composite floor board base material finished product.
Three, the preparation of composite floor board: the sheet surface layer finished product and the floor base material finished product that prepare are carried out glue laminated, adopt common press, pressure is 1.0~1.5MPa, hot pressing 0.8~1.0min/mm pressing time blanket is thick, the composite floor board blank that obtains after the glue laminated, carry out machining again, and obtain the finished product that base material (sandwich layer and bottom) has the solid wooden compound floor of vent hole structure through the leaching paint processing.
Advantage of the present invention: base material has the solid wooden compound floor of air vent, not only saved precious dash board resource, widen the application of artificial fast growing wood, and owing to go up unique vent hole structure through base material (sandwich layer and bottom), reduced the accumulated deformation of base material, improved the dimensional stability on floor, and can between ground and dash board, form local heat convection, guaranteed the flash heat transfer between ground and the dash board, reduced the temperature difference that the floor upper and lower surface exists, be particularly useful for laying when heating system is the ground heat supply.
The specific embodiment
Contrast Fig. 1, base material (sandwich layer and bottom) has the solid wooden compound floor of vent hole structure, its structure is a three layer construction, sheet surface layer 1 is to be made by hard broadleaf, thickness 3~6mm, middle layer plate 2 is to select the fast growing wood solid wood composite board for use, and bottom plate 3 is to be that the fast growing wood rotary cut venner of 2~3mm is made by thickness; Stick with glue agent gummed between sheet surface layer 1, middle layer plate 2, bottom plate 3 three plates and form, during glue laminated, the machine direction of sheet surface layer 1 and bottom plate 3 is consistent, and vertical with the machine direction of middle layer plate 2 when assembly; On the base material (middle layer plate 2 and bottom plate 3) of composite floor board, be drilled with round vent through base material;
Described base material finished product 9 is formed by base material blank 8 sawings after the boring;
Base material blank 8 after the described boring is formed by 7 borings of base material blank, and the diameter of round vent is between φ 2~φ 30mm;
Described base material blank 7, by fast growing wood individual layer jigsaw 5 and bottom blank 6, along machine direction in length and breadth glue laminated form;
Described fast growing wood individual layer jigsaw 5 is formed by fast growing wood thin plate (sandwich layer raw material) 4 side direction glue laminateds.
Embodiment 1
Base material (sandwich layer and bottom) has the concrete manufacture method of the solid wooden compound floor of vent hole structure, and its step is divided into one, the preparation of solid wooden compound floor skin-material; Two, the preparation of composite floor board base material (sandwich layer and bottom); Three, the preparation of composite floor board.
Wherein one, the preparation of solid wooden compound floor dash board: the sheet surface layer blank of wide 90mm, thick 25mm is carried out drying, make its moisture content to 12%, be split into the thick assembled watch laminate 1 of 6mm with buck saw or splitting machine.
Two, the preparation of composite floor board base material: the fast growing wood individual layer jigsaw 5 that the middle layer plate material adopts is to be formed by the 4 side direction splicings of some fast growing wood thin plates, and the side of fast growing wood thin plate 4 is coated with urea-formaldehyde resin adhesive during splicing, glue-spread is 300g/m
2Along thin plate 4 length direction finger or butt joints, the side butt joint, adopt two-way press during pressurization, positive pressure is 1.0MPa, and side pressure is 2.0MPa, hot pressing pressing time is that the 0.8min/mm blanket is thick, and then obtaining individual layer jigsaw 5, it is fast growing wood rotary cut venner about 3mm that primer can adopt thickness, is dried to the veneer moisture content and is 8% stand-by; Middle layer plate 2 and bottom plate 3 are pressed fiber vertical direction assembly, adopt common press gummed, pressure 1.0MPa, the thick glue laminated of carrying out of hot pressing 0.8min/mm pressing time blanket, form base material blank 7, with the boring of base material blank 7 usefulness Line boring machines, the aperture is 8mm, handle the back sawing, can obtain composite floor board base material finished product.
Three, the preparation of composite floor board: single face is coated with urea-formaldehyde glue on the floor base material finished product, glue-spread 200g/m
2, and enclose sheet surface layer 1, through assembly, unidirectional gummed, the 1.0min/mm blanket is thick when pressure 1.5MPa, hot pressing.The composite floor board blank that obtains, pass through Balance Treatment afterwards, carry out four sides slicing, sanding, vertically reach termination mortice opening, tenon, carry out priming paint, sanding, finish paint covering with paint, packing at last, and then obtain the finished product that base material (sandwich layer and bottom) has the solid wooden compound floor of vent hole structure.
Embodiment 2
Base material (sandwich layer and bottom) has the concrete manufacture method of the solid wooden compound floor of vent hole structure, and its step is divided into one, the preparation of solid wooden compound floor sheet surface layer material; Two, the preparation of composite floor board base material (sandwich layer and bottom); Three, the preparation of composite floor board.
Wherein one, the preparation of solid wooden compound floor sheet surface layer: the sheet surface layer blank of wide 110mm, thick 22mm is carried out drying, make its moisture content to 8%, be split into the thick assembled watch laminate 1 of 4mm with buck saw or splitting machine;
Two, the preparation of composite floor board base material: the fast growing wood individual layer jigsaw 5 that core material adopts is to be formed by the 4 side direction splicings of some fast growing wood thin plates, and the side of fast growing wood thin plate 4 is coated with urea-formaldehyde resin adhesive during splicing, glue-spread is 250g/m
2Along thin plate 4 length direction finger or butt joints, the side butt joint, adopt two-way press during pressurization, positive pressure is 1.5MPa, and side pressure is 3.0MPa, hot pressing pressing time is that the 1.0min/mm blanket is thick, and then obtaining individual layer jigsaw 5, it is fast growing wood rotary cut venner about 2mm that primer can adopt thickness, is dried to the veneer moisture content and is 8% stand-by; Middle layer plate 2 and bottom plate 3 are pressed fiber vertical direction assembly, adopt common press gummed, pressure 1.5MPa, the thick glue laminated of carrying out of hot pressing 1.0min/mm pressing time blanket, form base material blank 7, the back sawing is handled in the boring of base material blank 7 usefulness Line boring machines, and the aperture is 10mm, can obtain composite floor board base material finished product;
Three, the preparation of composite floor board: single face is coated with urea-formaldehyde glue on sheet surface layer 1, glue-spread 250g/m
2, and be attached on the base material finished product, through assembly, unidirectional gummed, the 1.0min/mm blanket is thick when pressure 1.5MPa, hot pressing.The composite floor board blank that obtains, pass through Balance Treatment afterwards, carry out four sides slicing, sanding, vertically reach termination mortice opening, tenon, carry out priming paint, sanding, finish paint covering with paint, packing at last, and then obtain the finished product that base material (sandwich layer and bottom) has the solid wooden compound floor of vent hole structure;
Between top layer, sandwich layer, bottom three plates, form resin added 250~350g/m with the urea-formaldehyde resin adhesive gummed
2The middle layer plate blank adopts the press of two-way pressurization to carry out the side direction splicing by some thin plates, and positive pressure is 1.0~1.5MPa, and side pressure is 2.0~3.0MPa, and hot pressing pressing time is that 0.8~1.0min/mm blanket is thick.The thickness of sheet surface layer between 3~6mm, through the diameter of the round vent of base material between φ 2~φ 30mm.