CN2597180Y

CN2597180Y - Wood bamboo composite floor

Info

Publication number: CN2597180Y
Application number: CNU022241108U
Authority: CN
Inventors: 汤大中
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-27
Filing date: 2002-05-27
Publication date: 2004-01-07
Anticipated expiration: 2012-05-27

Abstract

The utility model discloses a wood-bamboo compound floor which is novel and precisely-machined compound floor and comprises a high-quality natural hardwood panel 1, a straight sandwich layer 2 made of bamboo strip which is sterilized, bleached, carbonized, glued, assembled and thermo-compressed and a high-quality natural hardwood base plate 3. The compound floor of the structure can considerably improve the timber utilization rate and make the broad farmers living in remote areas alleviate poverty and become prosperous due to the substantive use of bamboo; furthermore, the utility model has excellent physical and mechanical properties because the floor can eliminate or reduce the surface stress, internal stress, plastic deformation, wet core, wrinkle, surface crack, internal crack, end crack, warp and has hard texture, good wearing resistance and high resilience and so on. The utility model can provide a reliable selling market for restructuring the industry in rural area and changing the noncommercial firewood forest into bamboo forest which can bring plentiful and substantial benefits, and plays an important role in accelerating the process of the agricultural industrialization.

Description

Wood bamboo composite floor

The utility model relates to a kind of wood bamboo composite floor of excellent performance.It makees panel 1 by the natural hardwood veneer of high-quality, does central layer 2 through the hot-forming bamboo clappers of carbonization assembly, and the natural hardwood veneer of high-quality is done base plate 3, glues together the novel wood bamboo composite floor for one.

There is nearly 150 years history on the human nature material laying ground of using.Using the 1950's and the sixties adopts new technology produces and has been caused global forest large tracts of land to reduce by the employed solid wooden floor board of the numerous common people.The forest reserves total amount of China, though classify the 5th in the world as, Chinese population is numerous, and therefore, the per capita forest reserves are but quite low, account for 120 multidigits in world seniority among brothers and sisters, and afforestation rate only 16.55% only is equivalent to 61% of world's afforestation rate 27%; Forest reserves 9.0m only per capita ³, have only world accumulation 72m per capita ³1/8, and resource structures worsens, timber is more and more littler through level.Go through in addition and it seems and cut down trees at random seriously, forest is seriously damaged, and causes soil erosion, flooding of rivers.For this reason, " close hillsides to facilitate afforestation, concede the land to forestry " made by the sharp mechanism of state supremacy, the brilliant policies of decisive and fundamental importance.

Since the reform and opening-up, annual construction is lived the chamber and is reached 200,000,000 square metres, also has 4,000 ten thousand square metres old room to need to transform, and the fashion that timber floor has become people's pursuit is laid in interior decoration.2000, State Economic and Trade Commission, the Ministry of Construction, Technical Supervision Bureau, building materials office issued notice jointly.Regulation " from June 1st, 2000; banning use of the wildwood in natural forest protection ecological construction engineering areas such as upper and middle reaches of the Yangtze River and the Yellow River and natural rare tree in the newly-built dwelling house in cities and towns is door and window, the floor that raw material is produced "; " will improve the timber comprehensive utilization ratio, the wooden door and window of NEW TYPE OF COMPOSITE, floor are applied in active development production " simultaneously.How addressing this problem, the utility model wood bamboo composite floor is for addressing this problem the approach that provides best.

The utility model wood bamboo composite floor is the utility model product.Novel wood bamboo composite floor not only can increase substantially the utilization rate of timber, the central layer of composite floor board can make outside remote vast farmers shakes off poverty and sets out on the road to prosperity because of having adopted a large amount of bamboo woods, still a kind ofly can eliminate or alleviate that surface stress, internal stress, plastic deformation, the wet heart, shrinkage, table split, the composite floor board of implosion, end check, bending, warpage and physical and mechanical properties excellences such as quality is hard, wear-resisting, high resilience.

In order to achieve the above object, the utility model is disclosed by the high-quality hardwood single sided board of handling through special processing 1, through central layer 2 that the bamboo clappers assembly of specially treated becomes, form through covering with paint after hardwood list base plate 3 that special processing is handled is through gluing hot-forming ageing health fluting again.

Be described in further detail below in conjunction with embodiment of the present utility model.

Fig. 1 is a side view of the present utility model.

Fig. 2 is an end view drawing of the present utility model.

By Fig. 1 and Fig. 2 as can be known, e epoch GII type timber floor (wood bamboo composite floor) is by 3 gluing compositions of hardwood single sided board 1, bamboo chip assembly central layer 2, hardwood list base plate.The technological process of hardwood single sided board 1 and hardwood list base plate 3 is: log → saw lumber → slicing or sawing → cut → semi-finished product.The quality standard of hardwood single sided board 1 and hardwood list base plate 3 meets the first-class standard of the tentative national standard of international standard IS0 formulation.Promptly mustn't have medulla, front that the limit heartwood mustn't be arranged, allow slight aberration and chemical stain, mustn't have die for the sake of honour, mustn't have small holes caused by worms, mustn't have rotten, waterline and twill etc. mustn't be arranged.Panel 1 and base plate 3 need dry the processing, dry principle is for utilizing timber owing to microcapillary system in the cell membrane that exists moisture gradient to cause is poor to the suction of moisture, and the little water vapour pressure in big outside, the inside that forms after heating is poor, impel moisture content to move to the outside by inside with liquid and two kinds of forms of gaseous state, and evaporate to the external world by wood surface, inner moisture rate travel is harmonious with the water evaporates speed on surface, makes the from outward appearance to inner essence balanced exsiccation of panel 1 and panel 3.So just can eliminate or alleviate the surface stress that produces in dry run, internal stress, plastic deformation, the wet heart, shrinkage, table split, implosion, end check, warpage and other defective.Certain drying shrinkage surplus is arranged when producing panel 1 and base plate 3 accessory material.

Central layer 2 is the assemblies that formed by the hot pressing of some bamboo chip gummeds.Its formation is made up of five processes.The one, the roughing of selecting materials.It is tall and big tall and straight to choose the mao bamboon bodily form, and the age, length was at 7m-9m more than four ages, and diameter carries out fracture, hacks, force plane more than 300mm; The 2nd, the sterilization bleaching.Method is that the bamboo chip that force plane is good is put into 60 ℃ hot water storgae, add an amount of insect protected of 30% hydrogen peroxide, mould inhibitor fluoxyth in the ratio of 5%-8% again after, boil keep 6h-8h to 100 ℃ after, bamboo chip is taken out.Removed surf green and tabasheer after the bamboo chip force plane, medicine can infiltrate in the bamboo chip in digestion process, so insect protected, anti-mold effect are excellent.The 3rd, carbonization.Its principle is that the organic substance that bamboo chip places the environment of high temperature, high humidity, high pressure to make bamboo wood is decomposed sex change as sugar, starch, protein, makes insects such as fungi lose source of nutrition, will kill attached to worm's ovum in the bamboo wood and fungi again simultaneously.Bamboo wood is behind high temperature, high pressure, and the bamboo fibre coking becomes bronze-colored or is similar to the color of coffee.The 4th, the central layer moulding.To carry out drying through the single bamboo chip after boiling sterilization and the carbonization, baking temperature adopts 60 ℃ of-70 ℃ of left and right sides continuous drying 72h-84h.Dried monolithic bamboo chip process adjustable cast iron planes, gluing, monolithic bamboo chip assembly are (during assembly, make full use of the fiber properties of adjacent sheet, former bamboo strip is to former bamboo strip, former yellow bamboo face is to former yellow bamboo face, adopts the heat machine of band side-pressing device to pressurize on four sides) be hot pressed into vertical bar type bamboo central layer accessory material, saw limit sanding becomes the core blanket.

Be the processing of wood bamboo composite floor then.The one, the mucilage glue surface fine finishining and the sanding of panel 1, the mucilage glue surface fine finishining and the sanding of central layer 2.Base plate 3 mucilage glue surface fine finishining and sandings.The 2nd, gluing, assembly are hot pressed into the wood bamboo composite floor blank.The 3rd, the wood bamboo composite floor finished product is made in the fine finishining of wood bamboo composite floor.The wood bamboo composite floor finished product is long 900mm-1200mm, wide 12mm-15mm, thickness 20mm.The thickness of panel 1 is 2mm-4mm in the finished product, and the thickness of base plate 3 is 2mm-4mm.The technical process of wood bamboo composite floor is: check classification accessory material → datum level processing → lengthwise processing → end machining → sanding → both sides mortise → termination mortise → paint → finished product.

The key content of the disclosed e of the utility model epoch GII type timber floor (wood bamboo composite floor) is the textural association mode of panel 1, central layer 2, base plate 3, and promptly the hardwood panel 1, the structure that assembly bamboo central layer 2 and hardwood base plate 3 are glued together.The utility model is to the bonding strength of the adhesive of use, and resistance to water and durability, hear resistance, rotproofness, insect protected, processability have all been done to take into full account, and has especially given prominence to it and has been environmental-protection type adhesive.

The quality standard of the disclosed e of the utility model epoch GII type timber floor (wood bamboo composite floor) meets the first-class standard of the tentative national standard of international standard ISO formulation.

Claims

1, its knot of wood bamboo composite floor comprises natural hardwood panel, bamboo wood assembly central layer and natural hardwood base plate.It is characterized in that: solid-wood panels (1) is fine finishining high-quality natural timber and the accurately machined tongue and groove composite floor board of accurately machined bamboo central layer (2) and the natural hardwood base plate of fine finishining high-quality (3) gummed back after the hot pressing of sterilization bleaching carbonization monomer bamboo chip gluing assembly.

2, according to the described wood bamboo composite floor of claim (1), it is characterized in that said bamboo central layer (2) by several vertical bar monolithic bamboo chips through the hot pressing of sterilization bleaching carbonization gluing assembly, back fine finishining formation.