CN103496023B - A kind of manufacture method of solid wood multi-layer composite floor board - Google Patents

A kind of manufacture method of solid wood multi-layer composite floor board Download PDF

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Publication number
CN103496023B
CN103496023B CN201310455444.XA CN201310455444A CN103496023B CN 103496023 B CN103496023 B CN 103496023B CN 201310455444 A CN201310455444 A CN 201310455444A CN 103496023 B CN103496023 B CN 103496023B
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China
Prior art keywords
veneer
base
solid wood
layer composite
steam
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CN201310455444.XA
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Chinese (zh)
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CN103496023A (en
Inventor
刘硕真
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巴洛克木业(中山)有限公司
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Publication of CN103496023A publication Critical patent/CN103496023A/en
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Abstract

The invention discloses a kind of manufacture method of solid wood multi-layer composite floor board, comprise following processing step: 1. log sorting, 2. log heat modification, 3. veneer processing, 4. veneer sorting, 5. base material assembly, 6. colds pressing, 7. hot pressing, 8. health, 9. veneer, 10. tongue and groove, 11. colourings, 12. times kilns, 13. paint; The present invention is by carrying out modification to timber, improve the characteristic of timber, make timber not yielding, corresponding obtained solid wood multi-layer composite floor board dimensional structure is stable, deflection is little, fundamentally solve existing solid wood multi-layer composite floor board to cause because of poor dimensional stability holding yielding problem, make solid wood multi-layer composite floor board more durable, can not cause because of the excessive deformation on floor changing floor, technological process is tight, favorable quality of finished products.

Description

A kind of manufacture method of solid wood multi-layer composite floor board
Technical field
The present invention relates to a kind of manufacture method of solid wood multi-layer composite floor board.
Background technology
Along with growth in the living standard, people's custom is at the better wood floors of indoor laying feel, and to seem attractive in appearance, graceful, living environment is also more comfortable.Because the result of use of solid wood multi-layer composite floor board is better relative to the result of use of solid wooden floor board, so wood floors are in the market main mainly with solid wood multi-layer floor, but, because the variability of timber own is large, generally all exists with the produced solid wood multi-layer composite floor board of existing process and cause holding yielding problem because of the poor dimensional stability on floor.The object of the invention is to improve the production technology of existing solid wood multi-layer floor, to solve the problem of existing solid wood multi-layer floor poor dimensional stability.
Summary of the invention
In order to overcome the deficiencies in the prior art, the technical scheme that inventing provides is:
A manufacture method for solid wood multi-layer composite floor board, comprises following processing step:
1) log sorting: choose base material log and panel log;
2) log heat modification: log is put in the heat treatment tank of airtight vacuum, be heated to 60 DEG C and pass into steam, pass into the temperature of steam between 170 DEG C ~ 210 DEG C, the time of passing into is 17 ~ 19 hours, stop passing into steam, treat that temperature is down to 40 DEG C, can opening takes out log, health at normal temperatures 2 ~ 3 days;
3) veneer processing: process base material veneer that thickness is 1.2mm ~ 2.0mm and thickness is 0.6mm ~ 2.0mm panel veneer, and drying process is carried out to veneer, make the moisture control of base material veneer between 6% ~ 12%, the moisture control of panel veneer is between 6% ~ 10%;
4) veneer sorting: sorting, repairing, splicing are carried out to base material veneer, counter plate veneer carries out sorting by texture, aberration grade and marks degree of tightness face;
5) base material assembly: formed by adjacent texture orthogonal direction bonding by glue between base material veneer between two;
6) cold pressing: the base material that assembly is good is put into cold press and colds pressing, the pressure of colding pressing is 9.7 ~ 11.1MPa, and the time is 30 ~ 40 minutes;
7) hot pressing: in 2 hours after having colded pressing, puts into hot press and carries out hot pressing by base material, the pressure of hot pressing is 13 ~ 15MPa, and the time is 480 ~ 500 seconds, and temperature is 125 DEG C ~ 135 DEG C;
8) health: base material is placed on smooth local health 5 ~ 7 days, and the plate surface temperature of base material controls below 40 DEG C;
9) veneer: after cutting edge is carried out to base material, adopt the mode overlayed to carry out veneer to base material, thus make slab, the temperature of veneer hot pressing is 125 DEG C ~ 135 DEG C, and the time is 300 ~ 350 seconds, and pressure is 11.1 ~ 13MPa;
10) tongue and groove: offer tongue and groove on slab;
11) paint: according to the actual requirements slab is painted, but need to carry out mixing colours, trying look before colouring;
12) return kiln: after having painted, carry out drying process with dry kiln to slab, temperature is 50 ± 5 DEG C, and drying time, more than 2 hours, makes the moisture control of slab between 7% ~ 11%;
13) paint: the spraying as requested floor surface being carried out to priming paint and finish paint, make solid wood multi-layer composite floor board.
The beneficial effect of the invention is: the present invention is by carrying out modification to timber, improve the characteristic of timber, make timber not yielding, corresponding obtained solid wood multi-layer composite floor board dimensional structure is stable, deflection is little, fundamentally solve existing solid wood multi-layer composite floor board to cause because of poor dimensional stability holding yielding problem, make solid wood multi-layer composite floor board more durable, can not cause because of the excessive deformation on floor changing floor, technological process is tight, favorable quality of finished products.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
As the preferred embodiments of the present invention, the manufacture method of solid wood multi-layer composite floor board is as follows:
1 log sorting: choose the high-quality base material log that diameter is 10cm, is preferably Eucalyptus; Choose the panel log of high-quality;
2 log heat modifications: log is put in the heat treatment tank of airtight vacuum, after being heated to 60 DEG C, point 5 stages pass into steam: the steam 1.5 hours 1. passing into 170 DEG C, 2. the steam 2.5 hours of 180 DEG C is passed into, 3. pass into the steam 3.5 hours of 190 DEG C, 4. pass into the steam 4.5 hours of 200 DEG C, 5. pass into the steam 5.5 hours of 210 DEG C, stop passing into steam, treat that temperature is down to 40 DEG C, can opening takes out log, health at normal temperatures 3 days; Improve the characteristic of timber, make timber not yielding;
3 veneer processing: adopt rotary-cut to process the base material veneer that thickness is 1.6mm, adopt rotary-cut or slicing to process the panel veneer that thickness is 1.3mm; And drying process is carried out to veneer, by the moisture control of base material veneer between 6% ~ 12%, the moisture control of panel veneer is between 6% ~ 10%;
4 veneer sortings: sorting, repairing, splicing are carried out to base material veneer, counter plate veneer carries out sorting by texture, aberration grade and marks degree of tightness face;
5 base material assemblies: during assembly, applying glue between base material veneer between two, glue-spread is 230 ± 10g/ ㎡, and base material veneer is formed by grain direction bonding, and the bond effect of gained base material is good, such that dimensional structure is stable, deflection is little;
6 cold pressing: the base material that assembly is good is put into cold press and colds pressing, and the pressure of colding pressing is 11.1MPa, and the time is 40 minutes;
7 hot pressing: in 2 hours after having colded pressing, put into hot press and carry out hot pressing by base material, the pressure of hot pressing is 13.1MPa, and the time is 480 seconds, and temperature is 130 DEG C;
8 healths: base material is placed on smooth local health 7 days, and the plate surface temperature of base material controls below 40 DEG C;
9 veneers: after cutting edge is carried out to base material, adopt the mode overlayed to carry out veneer to base material, thus make slab, the temperature of veneer hot pressing is 130 DEG C, and the time is 350 seconds, and pressure is 11.3MPa;
10 tongue and grooves: offer tongue and groove on slab;
11 colourings: according to the actual requirements slab is painted, but need to carry out mixing colours, trying look before colouring;
12 times kilns: after having painted, carry out drying process with dry kiln to slab, temperature is 50 DEG C, and drying time is 3 hours, by the moisture control of slab between 7% ~ 11%;
13 paint: the spraying as requested floor surface being carried out to priming paint and finish paint, make solid wood multi-layer composite floor board.
In above-mentioned technique, health is by timber, floor being left standstill balance a period of time to discharge the process of internal stress, can making timber, floor more balance and stability.
Stable through the solid wood multi-layer composite floor board dimensional structure obtained by above-mentioned processing step, deflection is little, fundamentally solve existing solid wood multi-layer composite floor board to cause because of poor dimensional stability holding yielding problem, make solid wood multi-layer composite floor board more durable, can not cause because of the excessive deformation on floor changing floor.
In order to make formaldehydeless discharge in the floor of making, the used glue that overlays in splicing in step 4, the assembly in step 5 and step 9 all adopts commercially available environment-friendly modified aldehyde-free gum, the environment of a formaldehydeless pollution is provided, very environmental protection to user; Certainly used glue can also be the glue of other types, discharges as long as formaldehydeless in glue.

Claims (4)

1. a manufacture method for solid wood multi-layer composite floor board, is characterized in that comprising following processing step:
1) log sorting: choose base material log and panel log;
2) log heat modification: log is put in the heat treatment tank of airtight vacuum, be heated to 60 DEG C and pass into steam, pass into the temperature of steam between 170 DEG C ~ 210 DEG C, the time of passing into is 17 ~ 19 hours, stop passing into steam, treat that temperature is down to 40 DEG C, can opening takes out log, health at normal temperatures 2 ~ 3 days;
3) veneer processing: process base material veneer that thickness is 1.2mm ~ 2.0mm and thickness is 0.6mm ~ 2.0mm panel veneer, and drying process is carried out to veneer, make the moisture control of base material veneer between 6% ~ 12%, the moisture control of panel veneer is between 6% ~ 10%;
4) veneer sorting: sorting, repairing, splicing are carried out to base material veneer, counter plate veneer carries out sorting by texture, aberration grade and marks degree of tightness face;
5) base material assembly: formed by adjacent texture mutually perpendicular direction bonding by glue between base material veneer between two;
6) cold pressing: the base material that assembly is good is put into cold press and colds pressing, the pressure of colding pressing is 9.7 ~ 11.1MPa, and the time is 30 ~ 40 minutes;
7) hot pressing: in 2 hours after having colded pressing, puts into hot press and carries out hot pressing by base material, the pressure of hot pressing is 13 ~ 15MPa, and the time is 480 ~ 500 seconds, and temperature is 125 DEG C ~ 135 DEG C;
8) health: base material is placed on smooth local health 5 ~ 7 days, and the plate surface temperature of base material controls below 40 DEG C;
9) veneer: after cutting edge is carried out to base material, adopt the mode overlayed to carry out veneer to base material, thus make slab, the temperature of veneer hot pressing is 125 DEG C ~ 135 DEG C, and the time is 300 ~ 350 seconds, and pressure is 11.1 ~ 13MPa;
10) tongue and groove: offer tongue and groove on slab;
11) paint: according to the actual requirements slab is painted, but need to carry out mixing colours, trying look before colouring;
12) return kiln: after having painted, carry out drying process with dry kiln to slab, temperature is 50 ± 5 DEG C, and drying time, more than 2 hours, makes the moisture control of slab between 7% ~ 11%;
13) paint: the spraying as requested floor surface being carried out to priming paint and finish paint, make solid wood multi-layer composite floor board.
2. the manufacture method of solid wood multi-layer composite floor board according to claim 1, it is characterized in that: in step 2) in, the time passing into steam is divided into 5 stages: the steam 1.5 hours 1. passing into 170 DEG C, 2. the steam 2.5 hours of 180 DEG C is passed into, 3. the steam 3.5 hours of 190 DEG C is passed into, 4. pass into the steam 4.5 hours of 200 DEG C, 5. pass into the steam 5.5 hours of 210 DEG C.
3. the manufacture method of solid wood multi-layer composite floor board according to claim 1, is characterized in that: in step 5) in, glue-spread during assembly is 230 ± 10g/ ㎡.
4. the manufacture method of solid wood multi-layer composite floor board according to claim 1, is characterized in that: step 4) in splicing, step 5) in assembly and step 9) in the used glue that overlays be environment-friendly modified aldehyde-free gum.
CN201310455444.XA 2013-09-29 2013-09-29 A kind of manufacture method of solid wood multi-layer composite floor board CN103496023B (en)

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CN103912109B (en) * 2014-04-10 2015-05-20 巴洛克木业(中山)有限公司 Geothermal type formaldehyde-removing solid wood composite floor and manufacturing method thereof
CN105587096A (en) * 2016-03-15 2016-05-18 上海富翊装饰工程股份有限公司 Manufacturing process for consolidated composite floor
CN108247788B (en) * 2016-12-28 2019-08-02 中山市大自然木业有限公司 A method of for improving solid wood slab dimensional stability
CN107234685A (en) * 2017-07-28 2017-10-10 烟台康宝宝木业有限公司 Energy saving and environment friendly pure solid wood is without the thick core multi-layered board normal temperature pressing process of deformation
CN108162096A (en) * 2017-12-07 2018-06-15 常州市日臣艺术装饰材料有限公司 A kind of preparation method of multi-layer solid wood composite ground heating floor
CN108326998A (en) * 2018-02-11 2018-07-27 广西艾尚嘉家居有限公司 A kind of production method of formaldehydeless three-ply board
CN108789680A (en) * 2018-06-02 2018-11-13 浙江创通木业有限公司 The processing technology of composite wood board embryo material and the composite wood board embryo material processed by the technique
CN109397407A (en) * 2018-10-23 2019-03-01 江苏绿杨木业科技有限公司 A kind of manufacturing method of multi-plywood
CN109676737A (en) * 2018-12-14 2019-04-26 沭阳县金森源木业有限公司 A kind of production method of solid wood thickness core plate

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CN1410237A (en) * 2002-11-05 2003-04-16 西北农林科技大学 Manufacturing method of environmental protection superstrength wood floor
CN101104282A (en) * 2007-07-02 2008-01-16 南京林业大学 Carbonization wood finger-joint glued-laminated timber and its manufacturing method
CN101323128A (en) * 2008-06-16 2008-12-17 南京林业大学 Method for producing wood composite floor heating floorboard
CN101497206A (en) * 2009-03-17 2009-08-05 广州市番禺康达木业有限公司 Method for producing solid wood multi-layer floor with charring surface
CN102179854A (en) * 2011-06-15 2011-09-14 南京林业大学 Method for producing multi-layer solid-wood composite floor by densified poplar single board
CN102581911A (en) * 2012-03-29 2012-07-18 浙江福马地暖科技有限公司 Double-layer solid wood heating floor production method
CN103174276A (en) * 2011-12-23 2013-06-26 刘彬彬 Double-layer composite floor and manufacturing method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1410237A (en) * 2002-11-05 2003-04-16 西北农林科技大学 Manufacturing method of environmental protection superstrength wood floor
CN101104282A (en) * 2007-07-02 2008-01-16 南京林业大学 Carbonization wood finger-joint glued-laminated timber and its manufacturing method
CN101323128A (en) * 2008-06-16 2008-12-17 南京林业大学 Method for producing wood composite floor heating floorboard
CN101497206A (en) * 2009-03-17 2009-08-05 广州市番禺康达木业有限公司 Method for producing solid wood multi-layer floor with charring surface
CN102179854A (en) * 2011-06-15 2011-09-14 南京林业大学 Method for producing multi-layer solid-wood composite floor by densified poplar single board
CN103174276A (en) * 2011-12-23 2013-06-26 刘彬彬 Double-layer composite floor and manufacturing method thereof
CN102581911A (en) * 2012-03-29 2012-07-18 浙江福马地暖科技有限公司 Double-layer solid wood heating floor production method

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