CN2682137Y

CN2682137Y - Anti-deformation wooden composite floor

Info

Publication number: CN2682137Y
Application number: CN 200420035392
Authority: CN
Inventors: 汤大中
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-03-22
Filing date: 2004-03-22
Publication date: 2005-03-02
Anticipated expiration: 2014-03-22

Abstract

The utility model discloses an anti-deformation wooden composite floor. The wooden composite floor is a new-type composite floor comprising a quality natural hardwood face plate 1, natural wooden core plates 2, 3, 4, and a natural hardwood bottom plate 5, which are grouped in blank, bonded and hot compacted together in a fine finishing way strictly according to the woody vertical fiber of the face plate 1, the core plate 3 and the bottom plate 5, the woody horizontal fiber of the core plate 2 and the core plate 4. The composite floor adopted the structure can substantially raise wood utilization rate, and is a composite floor with excellent physical-mechanical properties which can eliminate or reduce stress, creep, warp distortion, concave curve, and convex curve.

Description

Anti-deformation wood compound floor

The utility model relates to a kind of compound ground of solid wood of anti-deformation excellence, it makees panel 1 by the natural hardwood veneer of high-quality, the

central layer

2,3,4 that the natural wood of three individual layer fingers moulding of handling through the dried drying room of gas is formed, the natural hardwood veneer of high-quality is done base plate 5, through gummed hot pressing all-in-one-piece novel anti modification solid wooden compound floor.

The human nature material laying floor that uses has nearly 150 years history.Using the 1950's and the sixties adopts new technology produces and has been led global forest large tracts of land by the employed wooden floor of the numerous common people and reduced.The forest reserves total amount of China, though classify the 5th in the world as, Chinese population is numerous, therefore, the per capita forest reserves are but quite low, account for 120 multidigits in world seniority among brothers and sisters, afforestation rate only 16.55% only is equivalent to 61% of world's afforestation rate 27%, forest reserves 9.0m only per capita, have only the world per capita accumulation 72m 1/8, 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.For this reason, the brilliant policies of decisive and fundamental importance of " close hillsides to facilitate afforestation, concede the land to forestry " has been made by the sharp mechanism of state supremacy.

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 wood flooring 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 anti-deformation wood compound floor is for addressing this problem the approach that provides best.

The utility model resistance type solid wooden compound floor is the utility model product.Resistance type solid wooden compound floor not only can increase substantially the utilization rate of natural timber, also because adopted panel, three layers of central layer, base plate to eliminate by different machine direction ad hoc structures or alleviate that surface stress, internal stress, plastic strain, shrinkage, table split, the different composite floor board of physical and mechanical properties sorrow such as implosion, end check, watt curved, easement, distortion are curved.

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, three individual layer

central layers

2,3,4 through specially treated, hardwood list base plate 5 through special processing is handled forms through covering with paint through slotting after the gluing hot-forming ageing health by panel 1 perpendicular fiber, central layer 2 horizontal fiberses, central layer 3 perpendicular fibers, central layer 4 horizontal fiberses, base plate 5 perpendicular fiber ad hoc structure assemblies 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, anti-deformation wood compound floor is made up of hardwood single sided board 1, hardwood list central layer 2, hardwood list central layer 3, hardwood list central layer 4, the 5 gluing hot pressing of hardwood list base plate.

The technological process of hardwood single sided board 1 and hardwood list base plate 5 is: log → saw lumber → slicing or sawing → cut → semiproduct.The quality specifications of hardwood single sided board 1 and hardwood list base plate 5 meets national standard " solid wooden compound floor " (GB/T18103-2000).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 5 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 base plate 5.So just can eliminate or alleviate the surface stress that produces in dry run, internal stress, plastic strain, the wet heart, shrinkage, table split, implosion, end check, warpage and other defective.Certain drying shrinkage surplus is arranged when producing panel plate 1 and base plate 5 accessory material.

Central layer

2,3,4 is by plurality of small blocks natural timber hot pressing group embryo behind the finger gummed.Its formation is made up of six procedures.The one, the roughing of selecting materials.Choose and be no more than 2 meters long, the trees of tree-walk more than 10cm, carry out fracture, evolution force plane; The 2nd, oven dry.The neat pile of little square stock that force plane is good is sent into gas dry type drying room with fork truck on bin, got after little through 20; The 3rd, the weak point square stock is opened the finger groove opening on the finger groove equipment; The 4th, finger.To after holding the short square stock gluing of finger groove successfully, two ends on special-purpose finger joint machine, carry out finger; The 5th, gummed hot pressing.With some the long flitch that becomes of finger be placed on the hydraulic press that can press (reaching both sides up and down) on four sides and carry out hot pressing, make finger after rectangular material glue together the plate that is hot pressed into certain width; The 6th, section.The plate that gummed is hot pressed into a width is cut into slices on the saw of rectifying, and slice thickness is respectively:

central layer

2,4 is 3.9mm, and central layer 3 thickness are 6mm.

Be the processing of anti-deformation wood compound 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

2,3,4, base plate 5 mucilage glue surface fine finishining and sandings.The 2nd, be hot pressed into anti-deformation wood compound floor by panel 1 wooden perpendicular fiber, central layer 2 wooden horizontal fiberses, central layer 3 wooden perpendicular fibers, central layer 4 wooden horizontal fiberses, base plate 5 wooden perpendicular fiber assemblies behind the gluing.The 3rd, anti-deformation wood compound floor is made in the fine finishining of anti-deformation wood compound floor.The general worker 800mm--1200mm of anti-deformation wood compound floor finished product, wide 110mm--150mm, thickness 15mm.Length and width can also be changed according to market and customer requirements.Panel 1 and base plate 5 thickness are 0.6mm in the finished product, and

central layer

2,4 thickness are 3.9mm, and central layer 4 thickness are 6mm.The activities of anti-deformation wood compound floor is: check classification batching → datum processing → lengthwise processing → end machining → sanding → both sides mortise → two ends mortise → paint → finished product.

The important content of the disclosed anti-deformation wood compound floor of the utility model is the textural association mode of panel 1, central layer 2, central layer 3, central layer 4, base plate 5, and promptly hardwood panel 1, hardwood central layer 2, hardwood central layer 3, hardwood central layer 4 and hardwood base plate 5 are by wooden perpendicular fiber, wooden horizontal fibers, wooden perpendicular fiber, wooden horizontal fibers, wooden perpendicular group of fibers embryo structure glued together.

The utility model has all been done to take into full account to bonding strength, water resistance, durability, heat resistance, rotproofness, insect protected, hazardous substances burst size (as formaldehyde) and the processability of the bonding adhesive of use, and especially giving prominence to it is aldehyde-free cement.

The disclosed anti-deformation wood compound floor quality specifications of the utility model meets approval in State Environmental Protection Administration on April 23rd, 2003, " wood-based plate and the goods thereof " implemented on April 23rd, 2003 (HBC17--2003) and the National Standard solid wooden compound floor " (GB/T18103-2000).

Claims

1, anti-deformation wood compound floor, its structure comprises natural hardwood panel, natural hardwood central layer and natural hardwood base plate, it is characterized in that: solid-wood panels (1) is the accurately machined tongue and groove composite floor board of central layer and fine finishining high-quality natural timber base plate (5) gummed back of fine finishining high-quality natural timber and accurately machined natural timber (2) natural timber (3) natural timber (4) composition.

2, solid wooden compound floor according to claim 1 is characterized in that said panel (1) central layer (2) central layer (3) central layer (4) base plate (5) is strict press fine finishining formation after the perpendicular mode gluing assembly hot pressing anyhow of wood fibre.