CN102514054A - Processing method for manufacturing laminated wood board core board from spruce branch tips and laminated wood board - Google Patents
Processing method for manufacturing laminated wood board core board from spruce branch tips and laminated wood board Download PDFInfo
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- CN102514054A CN102514054A CN2011104504140A CN201110450414A CN102514054A CN 102514054 A CN102514054 A CN 102514054A CN 2011104504140 A CN2011104504140 A CN 2011104504140A CN 201110450414 A CN201110450414 A CN 201110450414A CN 102514054 A CN102514054 A CN 102514054A
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Abstract
The invention relates to a processing method for manufacturing a laminated wood board core board from spruce branch tips and a laminated wood board. Branch tip resources which are rich in resources and low in cost can be effectively used. The problem of low material yield of the spruce branch tips is solved. The waste spruce branch tips in a hill are used and are subjected to processing processes, such as cutting, selecting, drying, processing hexagonal prism, coating glue, combining blanks, cold pressing, pressing planning and the like, through mechanical equipment; standard spruce hexagonal prism square materials are produced; and the profiled spruce hexagonal prism square materials are processed into spruce hexagonal prism plates through a small laminated wood board band saw for later use. The spruce hexagonal prism plates are matched with cottonwood single plates and lauan panels to produce the laminated wood board core boards with low cost and high quality; and the requirement on increasing using of plates in building field and decoration field can be met.
Description
Technical field
The present invention is specifically related to utilize the China fir tip of a branch to make the processing method of core board for fine woodworker's board and core-board.
Background technology
Along with China's the improving constantly of rapid development of economy and people's living standard over more than 30 year, the people is also more and more stronger to the requirement of the improvement of living conditions, drives market the demand of building board is enlarged year by year; China's Forest Resources is very poor, and on the one hand, the China fir raw material that are used for traditional joiner joiner sheet material production can't satisfy the needs in market; On the other hand, abandon in a large number, give on our national economy and caused very big waste as the China fir tip of a branch of hill discarded object.Some local common people were also once attempting using the China fir tip of a branch to produce China fir core bar (making the raw material of China fir core-board); Because of the China fir tip of a branch exists diameter little; The problem that taperingness is big; The China fir core bar quality of producing can't guarantee for a long time, has seriously influenced the inherent quality and the scope of application of finished product China fir core-board.
Therefore; The China fir tip of a branch resource how utilization is rationally ignored for a long time, the production technology of improvement China fir core-board is accomplished material its usefulness, the big usefulness of small wood, the excellent usefulness of bad material to the greatest extent; Improve the utilization rate and the use value of China fir; Be the matter of utmost importance that China's timber industry is faced, it both can improve the forest situation, can promote the development of new material again.Therefore, how to adopt new technology, develop new product, enlarge new purposes, increase the China fir value-added content of product, become the primary task of pendulum in face of we forestry science and technology worker.
Summary of the invention
In order to address the above problem; The invention provides the processing method of utilizing the China fir tip of a branch to make core board for fine woodworker's board and core-board; This invention can effectively utilize aboundresources, and cheap China fir tip of a branch resource solves the low problem of volume recovery in the processing of the China fir tip of a branch.
The present invention at first provides a kind of processing method of utilizing the China fir tip of a branch to make the core-board core, may further comprise the steps:
Step 1: clear up the foreign material on the China fir tip of a branch, be cut into the China fir rod of 0.4-0.6 rice length through briar;
Step 2: the China fir rod that blocks is classified by top diameter, and the China fir rod that classification is good is sent into the lumber kiln drying, and baking temperature is 100 ~ 120 ℃, and be 15 ~ 30 hours drying time, and the moisture content of dry back China fir rod is controlled at 8 ~ 10%;
Step 3: dried China fir rod is processed into positive six prisms, and positive six prismatic interior section diameter of a circles are 2mm, 4mm or 6mm;
Step 4: with the interior section positive six prismatic taking-ups that circular diameter is identical, brushing floor glue, glue-spread 200-260g/M
2, assembly after ageing 2-4 hour is put into the cold press cure under pressure; The positive pressure pressure of cold press is 1.2Mpa, and side pressure pressure is 0.8-1.0Mpa, and the time of colding pressing is 24 hours;
Step 5: completely crued China fir assembly spare is taken out, place after 24 hours, being processed into specification is the China fir square bar of 440mm * 440mm * 500mm;
Step 6: the China fir square bar is blocked, process the fir wood plank that specification is 440mm * 440mm * 13mm, obtain the core-board core.
The core-board core that is made by above-mentioned processing method is also in protection scope of the present invention.
The present invention also provides a kind of central layer that is used for core-board; Core-board core assembly by above-mentioned forms; Assemble pattern is: the core-board core that every central layer is 440mm * 440mm * 13mm by 18 specifications is formed; The arrangement of 18 core-board core just requires the slit to stagger, and lines up three rows; The core-board core that is 440mm * 440mm * 13mm with 2 specifications at first is sawn into the plate core of 4 220mm * 440mm * 13mm; Core-board core that it is 440mm * 440mm * 13mm that first row and the 3rd arranges by five specifications and the plate core of the 2 220mm * 440mm * 13mm in both sides are formed, and the core-board core that second row is 440mm * 440mm * 13mm by six specifications is formed.As shown in Figure 3.
The present invention has also protected a kind of core-board, comprises above-mentioned core-board core.
The present invention also provides a kind of core-board, comprises described central layer.Its processing method may further comprise the steps:
Step 1: poplar is cut into the long veneer bolt of 1.35m, and on peeler, being processed into thickness is the continuous board using poplar board band of 2.2 mm, and it is dry to send into the veneer continuous drier again, and the moisture content of final board using poplar board band is controlled at below 8%;
Step 2: the board using poplar board band is sent into veneer clipper, be cut into specification and be the board using poplar board of 1320mm * 530mm * 2.2 mm, subsequent use;
Step 3: pour urea-formaldehyde resin adhesive into glue spreader, adding accounts for the ammonium chloride curing agent of urea-formaldehyde resin adhesive weight 1-3% and the flour of 10-20% again, begins gluing after stirring, and the glue-spread of board using poplar board is controlled at 240-300g/m
2
Step 4: with specification is that the described central layer of Liu An panel, board using poplar board, claim 3 of 2640mm * 1320mm * 0.7mm carries out hot pressing behind the assembly; Hot pressing pressure 1.0-1.2Mpa; Hot pressing temperature 100-120 ℃, hot pressing time 15-20 minute, solidify the back fully and take out stacking; Cool off and take out the saw plate after 24-48 hour, process the core-board that specification is 2440mm * 1220mm * 18mm.
The urea-formaldehyde resin adhesive that uses in the above-mentioned steps 3 is modified urea-formaldehyde resin glue, and the solid content of glue is 55-65%, pH value 7.2, viscosity 500-700 centipoise.
The invention has the advantages that: adopt processing method of the present invention can produce low cost, high-quality China fir tip of a branch core-board.Can effectively utilize aboundresources, cheap China fir tip of a branch resource is produced low cost, high-quality China fir tip of a branch core-board, can satisfy building trade and produce growing sheet material demand.
Description of drawings
Fig. 1 is the China fir tip of a branch six prismatic assembly sketch mapes of the present invention; Wherein 1, positive six prisms of the single China fir tip of a branch;
Fig. 2 is a China fir tip of a branch core-board assembly sketch map of the present invention; Wherein 2, Liu An panel; 3, board using poplar board; 4, the China fir tip of a branch six prismatic central layers;
Fig. 3 is a China fir tip of a branch core board for fine woodworker's board assembly sketch map of the present invention; Wherein 5, specification is the core-board core of 440mm * 440mm * 13mm; 6, specification is the core-board core of 220mm * 440mm * 13mm.
The specific embodiment
The concrete steps of utilizing the China fir tip of a branch to make the processing method of core board for fine woodworker's board and core-board are:
Step 1: the China fir tip of a branch of collecting is in time cleared up bark, branch and other foreign material, be cut into the China fir rod of 0.5 meter length through briar;
Step 2: the China fir rod that blocks is carried out necessary classification by top diameter, and the China fir rod that classification is good is sent into the lumber kiln drying, and baking temperature is 100 ~ 120 ℃, and be 15 ~ 30 hours drying time, and the moisture content of dry back China fir rod is controlled at 8 ~ 10%;
Step 3: dried China fir rod is sent into the timber moulder be processed into positive six prisms, the positive six prismatic interior diameter of a circles that cut are decided to be 2mm, 4mm or 6mm;
Step 4: with interior section positive six prismatic taking-ups that circular diameter is identical, brushing Tai Er floor glue, glue-spread 200-260g/M
2, after ageing 2-4 hour, according to Fig. 1 require assembly after, put into the cold press cure under pressure; In order to guarantee China fir assembly spare gummed closely (each six prismatic cemented surface does not have the gap), cold press need possess side-pressing device; The positive pressure pressure of cold press is 1.2Mpa, and side pressure pressure is 0.8-1.0Mpa, and the time of colding pressing is 24 hours;
Step 5: the completely crued China fir six prismatic assembly spares (China fir assembly spare) of colding pressing are taken out; Place after 24 hours; Through the processed of woodworking machinerys such as joiner pony hand-saw, planer, thicknesser, processing specification is 440mm * 440mm * 500mm (length * wide * height) China fir six prismatic square bars (China fir square bar);
Step 6: China fir six prismatic square bars are put into the joiner pony hand-saw block, process specification and be the China fir six prismatic sheet materials (fir wood plank) of 440mm * 440mm * 13mm (length * wide * height), subsequent use;
Step 7: purchase fresh Italian poplar wood, be cut into the long veneer bolt of 1.35m, on peeler, being processed into thickness is the continuous board using poplar board band of 2.2 mm, and it is dry to send into the veneer continuous drier again, and the moisture content of final board using poplar board band is controlled at below 8%;
Step 8: the board using poplar board band is sent into veneer clipper, be cut into specification and be the board using poplar board of 1320mm * 530mm * 2.2 mm (long * wide * thick), subsequent use; The specification of outsourcing simultaneously is the Southeast Asia import Liu An panel of 2640mm * 1320mm * 0.7mm (long * wide * thick), and is subsequent use;
Step 9: take by weighing some urea-formaldehyde resin adhesives earlier and pour glue spreader into, add the ammonium chloride curing agent of urea-formaldehyde resin adhesive weight 1-3% and the flour of 10-20% again, begin gluing after stirring, the glue-spread of board using poplar board is controlled at 240-300g/m
2About;
Step 10: the assemble pattern that the six prismatic sheet materials of the China fir tip of a branch behind Liu An panel, board using poplar board, the assembly are configured according to Fig. 2 carries out hot pressing behind the assembly; Hot pressing pressure 1.0-1.2Mpa; Hot pressing temperature 100-120 ℃, hot pressing time 15-20 minute, treat that China fir tip of a branch joiner sheet material solidifies the back fully and takes out stacking; Cool off and take out the saw plate after 24-48 hour; The specification of China fir tip of a branch joiner sheet material is 2440mm * 1220mm * 18mm, again through grade, inspection process, produce the China fir tip of a branch joiner sheet material that satisfies quality requirement.
The China fir tip of a branch in the said step 1 is the China fir logging residue.
In the said step 2 the China fir rod that blocks is carried out necessary classification by top diameter, purpose is to improve the volume recovery that the China fir rod is made China fir six prisms.
The purpose that in the said step 3 China fir six interior section prismatic circular diameters is decided to be 2mm, 4mm, 6mm is to improve the volume recovery that the China fir rod is made China fir six prisms.
Adopt by hand in the said step 4 six faceted pebbles are evenly brushed Tai Er floor glue, glue-spread 200-260g/M
2
The purpose of cutting the veneer processing technology of (blocking) in the said step 8 after the employing earlier dried (drying) is to improve the board using poplar board size stability, reduces the defective of the folded core gap of finished product China fir tip of a branch joiner sheet material generation.
The urea-formaldehyde resin adhesive that uses in the said step 9 is 55-65% as modified urea-formaldehyde resin glue (modified urea-formaldehyde resin glue is provided by Fuzhou Artificial Plate Factory), the solid content of glue, pH value 7.2, viscosity 500-700 centipoise.
The addition of ammonium chloride curing agent changes with season and variation of temperature in the said step 9, summer, two season of autumn temperature high, the addition of ammonium chloride curing agent can suitably reduce, and is controlled at about 1%; Spring, two season of winter, temperature was low, and the addition of changing the ammonium curing agent can suitably increase, and is controlled at about 3%; The addition of flour can be confirmed according to the surface quality (wet condition) of finished product China fir tip of a branch joiner sheet material; Comparatively serious wet condition (plate surface blackout) appears like finished product China fir tip of a branch joiner sheet material; Just should increase the addition of flour, till the surface quality of finished product China fir tip of a branch joiner sheet material is good.
In the said step 10, have good physico mechanical characteristic in order to guarantee finished product China fir tip of a branch joiner sheet material, China fir six prismatic sheet materials must honor follow the assemble pattern that Fig. 3 configures and carry out assembly.
The density of the core-board of preparation is undertaken by 4.2 density measurements regulation among the GB/T17657-1999; Glue performance is undertaken by the test method that 6.4.4 bonding strength among the GB/T5849-2006 is measured.The method that the MOR test is measured regulation by 6.4.8 MOR among the GB/T5849-2006 is carried out; Density 0.45～the 0.50g/cm of core-board
3, MOR ﹥ 20MPa, bonding strength ﹥ 1.5MPa.
Therefore, the core-board through the present invention's preparation can satisfy the instructions for use as the China fir core-board fully.In addition, adopt production technology of the present invention, can effectively utilize aboundresources, cheap China fir tip of a branch resource is produced low cost, high-quality core-board, can satisfy the demand of building trade.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (7)
1. processing method of utilizing the China fir tip of a branch to make the core-board core, it is characterized in that: said processing method may further comprise the steps:
Step 1: clear up the foreign material on the China fir tip of a branch, be cut into the China fir rod of 0.4-0.6 rice length through briar;
Step 2: the China fir rod that blocks is classified by top diameter, and the China fir rod that classification is good is sent into the lumber kiln drying, and baking temperature is 100-120 ℃, and be 15-30 hour drying time, and the moisture content of dry back China fir rod is controlled at 8-10%;
Step 3: dried China fir rod is processed into positive six prisms, and positive six prismatic interior section diameter of a circles are 2mm, 4mm or 6mm;
Step 4: with the interior section positive six prismatic taking-ups that circular diameter is identical, brushing floor glue, glue-spread 200-260g/M
2, assembly after ageing 2-4 hour is put into the cold press cure under pressure; The positive pressure pressure of cold press is 1.2Mpa, and side pressure pressure is 0.8-1.0Mpa, and the time of colding pressing is 24 hours;
Step 5: completely crued China fir assembly spare is taken out, place after 24 hours, being processed into specification is the China fir square bar of 440mm * 440mm * 500mm;
Step 6: the China fir square bar is blocked, process the fir wood plank that specification is 440mm * 440mm * 13mm, obtain the core-board core.
2. core-board core that processing method as claimed in claim 1 makes.
3. central layer that is used for core-board; Form by the described core-board core of claim 2 assembly; It is characterized in that: assemble pattern is: the core-board core that every central layer is 440mm * 440mm * 13mm by 18 specifications is formed; The arrangement of 18 core-board core just requires the slit to stagger, and lines up three rows; The core-board core that is 440mm * 440mm * 13mm with 2 specifications at first is sawn into the plate core of 4 220mm * 440mm * 13mm; Core-board core that it is 440mm * 440mm * 13mm that first row and the 3rd arranges by five specifications and the plate core of the 2 220mm * 440mm * 13mm in both sides are formed, and the core-board core that second row is 440mm * 440mm * 13mm by six specifications is formed.
4. a core-board comprises the described core-board core of claim 2.
5. a core-board comprises the described central layer of claim 3.
6. the processing method of a core-board as claimed in claim 5, it is characterized in that: said processing method may further comprise the steps:
Step 1: poplar is cut into the long veneer bolt of 1.35m, and on peeler, being processed into thickness is the continuous board using poplar board band of 2.2 mm, and it is dry to send into the veneer continuous drier again, and the moisture content of final board using poplar board band is controlled at below 8%;
Step 2: the board using poplar board band is sent into veneer clipper, be cut into specification and be the board using poplar board of 1320mm * 530mm * 2.2 mm, subsequent use;
Step 3: pour urea-formaldehyde resin adhesive into glue spreader, adding accounts for the ammonium chloride curing agent of urea-formaldehyde resin adhesive weight 1-3% and the flour of 10-20% again, begins gluing after stirring, and the glue-spread of board using poplar board is controlled at 240-300g/m
2
Step 4: with specification is that the described central layer of Liu An panel, board using poplar board, claim 3 of 2640mm * 1320mm * 0.7mm carries out hot pressing behind the assembly; Hot pressing pressure 1.0-1.2Mpa; Hot pressing temperature 100-120 ℃, hot pressing time 15-20 minute, solidify the back fully and take out stacking; Cool off and take out the saw plate after 24-48 hour, process the core-board that specification is 2440mm * 1220mm * 18mm.
7. processing method according to claim 4 is characterized in that the urea-formaldehyde resin adhesive that uses in the said step 3 is modified urea-formaldehyde resin glue, and the solid content of glue is 55-65%, pH value 7.2, viscosity 500-700 centipoise.
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| CN201110450414.0A CN102514054B (en) | 2011-12-29 | 2011-12-29 | Processing method for manufacturing laminated wood board core board from spruce branch tips and laminated wood board |
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| CN103341890A (en) * | 2013-07-29 | 2013-10-09 | 南京林业大学 | Method for preparing large-size sheet by using small-diameter wood |
| CN103600404A (en) * | 2013-10-28 | 2014-02-26 | 黄山市永锦工艺品有限公司 | Production technology for producing core board by using leftover material plates |
| CN104097238A (en) * | 2013-04-02 | 2014-10-15 | 赵杰 | Solid wood cross section integrated board and processing integrating method thereof |
| CN104128981A (en) * | 2014-06-06 | 2014-11-05 | 遂川县洪林木业有限公司 | Cellular-structure laminated wood and production method thereof |
| CN106493805A (en) * | 2015-03-05 | 2017-03-15 | 南京林业大学 | A kind of pressurization splicing method of big cross section hexagonal prism integrated timber |
| CN107009451A (en) * | 2017-05-13 | 2017-08-04 | 福建和其昌树脂科技有限公司 | A kind of fast-growing woods structural panel and preparation method thereof |
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| CN111098367A (en) * | 2019-12-31 | 2020-05-05 | 江西兴创木业有限责任公司 | Wood core lengthening process |
| CN111571736A (en) * | 2020-06-01 | 2020-08-25 | 怀化市祺鑫木业股份有限公司 | Fireproof flame-retardant environment-friendly core-board with fir core and preparation method thereof |
| CN113400421A (en) * | 2021-07-06 | 2021-09-17 | 江西圣金源科技板材有限公司 | Hexagonal splice plate and processing method thereof |
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| CN104097238A (en) * | 2013-04-02 | 2014-10-15 | 赵杰 | Solid wood cross section integrated board and processing integrating method thereof |
| CN103317565A (en) * | 2013-04-08 | 2013-09-25 | 赵杰 | Solid wood cross section integrated plate and processing integration method thereof |
| CN103341890A (en) * | 2013-07-29 | 2013-10-09 | 南京林业大学 | Method for preparing large-size sheet by using small-diameter wood |
| CN103600404A (en) * | 2013-10-28 | 2014-02-26 | 黄山市永锦工艺品有限公司 | Production technology for producing core board by using leftover material plates |
| CN104128981A (en) * | 2014-06-06 | 2014-11-05 | 遂川县洪林木业有限公司 | Cellular-structure laminated wood and production method thereof |
| CN106493805A (en) * | 2015-03-05 | 2017-03-15 | 南京林业大学 | A kind of pressurization splicing method of big cross section hexagonal prism integrated timber |
| CN107009451A (en) * | 2017-05-13 | 2017-08-04 | 福建和其昌树脂科技有限公司 | A kind of fast-growing woods structural panel and preparation method thereof |
| CN109676734A (en) * | 2018-12-29 | 2019-04-26 | 南宁市邦得力木业有限责任公司 | Method for preparing hexagonal plate blank base material by using eucalyptus core |
| CN111098367A (en) * | 2019-12-31 | 2020-05-05 | 江西兴创木业有限责任公司 | Wood core lengthening process |
| CN111098367B (en) * | 2019-12-31 | 2021-10-22 | 江西兴创木业有限责任公司 | Wood core lengthening process |
| CN111098367B8 (en) * | 2019-12-31 | 2021-12-21 | 江西兴创木业有限责任公司 | Wood core lengthening process |
| CN111571736A (en) * | 2020-06-01 | 2020-08-25 | 怀化市祺鑫木业股份有限公司 | Fireproof flame-retardant environment-friendly core-board with fir core and preparation method thereof |
| CN113400421A (en) * | 2021-07-06 | 2021-09-17 | 江西圣金源科技板材有限公司 | Hexagonal splice plate and processing method thereof |
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