CN103372898A - Integration gluing technology for wood special-shaped unit strips - Google Patents
Integration gluing technology for wood special-shaped unit strips Download PDFInfo
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- CN103372898A CN103372898A CN2012101190451A CN201210119045A CN103372898A CN 103372898 A CN103372898 A CN 103372898A CN 2012101190451 A CN2012101190451 A CN 2012101190451A CN 201210119045 A CN201210119045 A CN 201210119045A CN 103372898 A CN103372898 A CN 103372898A
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Abstract
The invention discloses an integration gluing technology for wood special-shaped unit strips. The integration gluing technology includes steps of cutting log into short wood sections; dividing the short wood sections into special-shaped unit strips, and stacking and placing the various special-shaped unit strips in a wood drying kiln to dry the special-shaped unit strips selecting reference planes according to material and deformation conditions of the various special-shaped unit strips; coating wood laminating glue on the reference planes of the various special-shaped unit strips; adhering the various special-shaped unit strips with one another to form at least two small rectangular integrated plates; connecting the small rectangular integrated plates with one another in a finger joint manner to form a large rectangular integrated plate. The integration gluing technology has the advantages that problems of low percentage of outturn of log, particularly small-diameter log with the diameter lower than 250mm, and poor quality, low efficiency, severe wastage of wood resources, low input-output ratio and the like in a finger-joint laminating processing procedure are effectively solved by the aid of the integration gluing technology, and the stability of the integrated plate is effectively improved.
Description
Technical field
The present invention relates to a kind of integrated bonding technique of timber, specifically relate to the integrated bonding technique of a kind of timber abnormity unit slat.
Background technology
With the raising of expanding economy and living standards of the people, wood-based product likes extremely that on market the imbalance between supply and demand of domestic timber resources is also day by day serious.On the one hand, be that timber resources lacks; On the other hand, be that the consumption of China's forest tree resource exists serious waste, more inferior small dimension wood is not taken full advantage of by timber industry, even is taken as the fuel use owing to problems such as directly level are little, material is relatively poor, the collection cost of transportation is higher.According to statistics, at present, China's timber utilization rate only has about 50%, and the timber comprehensive utilization ratio of developed country is generally more than 80%, the industrial utilization rate of industrial wood waste (not comprising as the energy) is more than 50%, and some Main Forest countries are also in the research full tree utilization.And China timber resources is not enough and timber utilization rate not high be a pair of contradiction of should and not deposit, therefore improve timber utilization rate, the deficiency of alleviation timber resources is the key subjects that current timber industry faces.
A lot of research institutions have become to solve domestic a kind of important channel with the material problem with Enterprise Consciousness to the comprehensive utilization of studying time small dimension wood, and new way is used in the beginning by all kinds of means inferior small dimension wood of exploitation, uses comprising the technology of integrated timber.But it must be cuboid that the manufacturing integration material requires unit slat, for the small dimension wood below the diameter 250mm, particularly vertically presents the small dimension wood of bending even distortion, and its volume recovery is quite low, can't improve volume recovery at all.And traditional integrated timber technique normally first unit slat is carried out finger, again glue together bonding, be that to disclose a kind of " Heterotype unit integration board " be exactly to have adopted bonding technology behind this first finger for the Chinese patent of ZL200720115451.5 such as the patent No., and have structural unstable problem by the integrated sheet material that this technology is made, therefore be difficult to satisfy instructions for use.
Summary of the invention
The object of the invention is to for above-mentioned existing problems and deficiency, a kind of volume recovery that can improve timber is provided, can improve again the stability of integrated timber, and the integrated bonding technique of the timber that working (machining) efficiency is high, input-output ratio is high abnormity unit sheet material bar.
Technical scheme of the present invention is achieved in that
The integrated bonding technique of timber abnormity unit sheet material bar of the present invention is characterized in comprising the steps:
A, according to vertical material situation of log, its transverse cutting is broken into the short section of some sections timber;
B, according to the material situation of the short section of each timber cross section, it vertically is split into respectively at least one special-shaped unit slat;
C, each special-shaped unit slat stacking displayed in lumber kiln, carry out drying;
D, according to material and the deformation selected reference face of dried each special-shaped unit slat, and datum level planished;
E, the datum level coating wooden plate plying glue after each special-shaped unit slat planing, the sheet material of then at least two small dimension rectangular sets of the bonding formation of each special-shaped unit slat being become a useful person;
F, will at least two the small dimension rectangular sets mode of sheet material by finger of becoming a useful person be connected to form the large specification rectangular set that the can be used for woodwork production sheet material of becoming a useful person.
Produce easily torsional deformation for the short section of the timber that prevents from being cut into is long, and the short section of the timber that is cut into is too short and go out cost of further processing and be higher than the problem that integrated timber sheet material is worth, the method that above-mentioned log blocks into the short section of timber is as follows:
a
1, the not straight log of profile blocks into the short section of timber that length is 200 mm～600mm,, and when the flexibility of log reaches 15 mm～20mm, should block for advancing level with every 100mm;
a
2, the perfectly straight log of profile blocks into the short section of timber that length is 450 mm～600mm.
For the special-shaped unit slat that subdivision is obtained can satisfy instructions for use easily, the method that the short section of above-mentioned timber is split into special-shaped unit slat is as follows:
At first lower saw falls the bark part sawing of the short section of timber, form six cylinders or octahedral cylinder, then according to the material situation of cylinder cross section, cylinder is split into cuboid or prismatoid or the trigone abnormity unit slat of specific thickness, and when subdivision out be non-cuboid abnormity unit slat the time, then require the angle at oblique angle should unify to be 45° angle or 60 ° of angles.
Fast for the rate of drying that makes each special-shaped unit slat, and can effectively satisfy dry requirement, above-mentioned each special-shaped unit slat adopts mechanical high-pressure drying method to carry out drying, and mechanical high-pressure drying method to require top pressure be 200 kg/m
2～500kg/m
2, pressure remains to till dry the end, and each special-shaped unit slat to require dried final water content be 7%～10%.
In order effectively to improve bonding strength and the stability between each special-shaped unit slat, after finishing above-mentioned steps e, the sheet material of first each small dimension rectangular set being become a useful person places respectively on the plate joggling apparatus two sides to exert pressure to carry out gluing and solidifying, and guarantees that positive pressure is 3 kg/cm
2～5kg/cm
2, side pressure is 4 kg/cm
2～8kg/cm
2, and display health 72h behind the pressurize 45min, carry out again above-mentioned steps f.
Concentrate and cause the problem of tree lace cracking, above-mentioned finger to become large specification rectangular set the become a useful person tree lace position of adjacent two connecting end surfaces of sheet material of two small dimension rectangular sets of arbitrary neighborhood of sheet material of becoming a useful person mutually to stagger for fear of stress.
In order to produce easily the integrated timber sheet material that more can satisfy instructions for use, after finishing above-mentioned steps f, can become a useful person the thickness of sheet material or/and width is proceeded splicing at large specification rectangular set, to form the larger specification rectangular set sheet material of becoming a useful person.
The invention has the beneficial effects as follows: pass through present technique, effectively improved the volume recovery of timber, thereby effectively solved log, particularly the saw lumber volume recovery of the small diameter grade log of diameter below 250mm is low, and exist in the finger jigsaw process of poor quality, efficient is low, the timber resources waste is serious, the problems such as input-output ratio is low, and by special-shaped unit slat is bonding by gluing together first, the mode of finger is made into integrated timber sheet material again, overcome the deficiency of traditional integrated timber manufacturing process, effectively improved the stability of integrated timber sheet material, make the Stability Analysis of Structures of integrated timber sheet material reliable, thereby satisfied easily instructions for use.
The present invention is further illustrated below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the schematic diagram that log of the present invention blocks into the short section of timber.
Fig. 2 is the become a useful person structural representation of sheet material of small dimension rectangular set of the present invention.
Fig. 3 is the become a useful person structural representation of sheet material of the large specification rectangular set of the present invention.
Fig. 4 is the become a useful person structural representation of sheet material of the larger specification rectangular set of the present invention.
The specific embodiment
The integrated bonding technique of timber abnormity unit slat of the present invention comprises the steps:
A, according to vertical material situation of log 1, its transverse cutting is broken into the short section 2 of some sections timber, as shown in Figure 1; And produce easily torsional deformation for the short section of the timber that prevents from being cut into 2 is long, and the short section of the timber that is cut into 2 is too short and go out cost of further processing and be higher than the problem that integrated timber sheet material is worth, its concrete method for cutting is:
a
1, log 1 that profile is not straight blocks into the short section 2 of timber that length is 200 mm～600mm,, and when the flexibility of log 1 reaches 15 mm～20mm, should block for advancing level with every 100mm;
a
2, the perfectly straight log 1 of profile blocks into the short section 2 of timber that length is 450 mm～600mm;
B, according to the material situation of the short section of each timber 2 cross sections, it vertically is split into respectively at least one special-shaped unit slat 3, its concrete grammar is:
At first lower saw falls the bark part sawing of the short section 2 of timber, form six cylinders or octahedral cylinder, then according to the material situation of cylinder cross section, cylinder is split into cuboid or prismatoid or the trigone abnormity unit slat of specific thickness, and when subdivision out be non-cuboid abnormity unit slat the time, then require the angle at oblique angle should unify to be 45° angle or 60 ° of angles;
C, each special-shaped unit slat 3 stacking displayed in lumber kiln, carry out drying, for the rate of drying that makes each special-shaped unit slat 3 fast, and can effectively satisfy dry requirement, each special-shaped unit slat 3 adopts mechanical high-pressure drying method to carry out drying, and mechanical high-pressure drying method requirement top pressure is 200 kg/m
2～500kg/m
2, pressure remains to till dry the end, and each special-shaped unit slat 3 to require dried final water content be 7%～10%;
D, according to material and the deformation selected reference face of dried each special-shaped unit slat 3, and datum level planished; And this datum level need to block according to material and the distortion situation of dried special-shaped unit slat 3, blocks length more than 160mm; For economical with materials should keep allowance as far as possible, when special-shaped unit slat 3 is cuboid and prismatoid, use the four side moulder machined surface of scraping, the side direction planing tool adopts respectively straight knife, oblique cutter; When special-shaped unit slat 3 is trigone, corresponding special-shaped backup plate (template) should be set on the planer, perhaps manual processing, planing on planer, and also the face amount of cutting of scraping is 1 mm～5mm;
E, the datum level coating wooden plate plying glue after each special-shaped unit slat 3 planing, then the sheet material 4 of at least two small dimension rectangular sets of each special-shaped unit slat 3 bonding formation being become a useful person, as shown in Figure 2, be the become a useful person structural representation of sheet material 4 of monolithic small dimension rectangular set; And the special-shaped unit slat 3 that is used for bonding together is to select the special-shaped unit slat of equal in length, and is to form the small dimension rectangular set sheet material 4 of becoming a useful person by disposable continuously bonding mode; And for the consumption that makes wooden plate plying glue is neither wasted, can reach again bonding firmly purpose, the coating weight of wooden plate plying glue is 140 g/m
2～180g/m
2, and wooden plate plying glue is on the datum level that is coated on equably after each special-shaped unit slat 3 is planished;
F, will at least two the small dimension rectangular sets mode of sheet material 4 by finger of becoming a useful person be connected to form the large specification rectangular set that the can be used for woodwork production sheet material 5 of becoming a useful person, thereby finish the integrated gummed of timber abnormity unit slat; As shown in Figure 3, become a useful person sheet material 5 of this large specification rectangular set forms for sheet material 4 fingers of being become a useful person by three small dimension rectangular sets; And concentrate and cause the problem of tree lace cracking, finger to become large specification rectangular set the become a useful person tree lace position of adjacent two connecting end surfaces of sheet material 4 of two small dimension rectangular sets of arbitrary neighborhood of sheet material 5 of becoming a useful person mutually to stagger for fear of stress.
In order effectively to improve bonding strength and the stability between each special-shaped unit slat 3, after finishing above-mentioned steps e, the sheet material 4 of first each small dimension rectangular set being become a useful person places respectively on the plate joggling apparatus two sides to exert pressure to carry out gluing and solidifying, and guarantees that positive pressure is 3 kg/cm
2～5kg/cm
2, side pressure is 4 kg/cm
2～8kg/cm
2, and display health 72h behind the pressurize 45min, carry out again above-mentioned steps f.
In order to produce easily the integrated timber sheet material that more can satisfy instructions for use, after finishing above-mentioned steps f, can become a useful person the thickness of sheet material 5 or/and width is proceeded splicing at large specification rectangular set, to form the larger specification rectangular set sheet material 6 of becoming a useful person.As shown in Figure 4, be large specification rectangular set the become a useful person structural representation of sheet material 6 of larger specification rectangular set that sheet material 5 proceeds to be spliced to form at thickness of becoming a useful person.
The present invention describes by embodiment, but the present invention is not construed as limiting, with reference to description of the invention, other variations of the disclosed embodiments, expect easily that such as the professional person for this area such variation should belong within the claim restricted portion of the present invention.
Claims (8)
1. the integrated bonding technique of timber abnormity unit slat is characterized in that comprising the steps:
A, according to vertical material situation of log, its transverse cutting is broken into the short section of some sections timber;
B, according to the material situation of the short section of each timber cross section, it vertically is split into respectively at least one special-shaped unit slat;
C, each special-shaped unit slat stacking displayed in lumber kiln, carry out drying;
D, according to material and the deformation selected reference face of dried each special-shaped unit slat, and datum level planished;
E, the datum level coating wooden plate plying glue after each special-shaped unit slat planing, the sheet material of then at least two small dimension rectangular sets of the bonding formation of each special-shaped unit slat being become a useful person;
F, will at least two the small dimension rectangular sets mode of sheet material by finger of becoming a useful person be connected to form the large specification rectangular set that the can be used for woodwork production sheet material of becoming a useful person.
2. the integrated bonding technique of timber according to claim 1 abnormity unit slat, it is as follows to it is characterized in that above-mentioned log blocks into the method for the short section of timber:
a
1, the not straight log of profile blocks into the short section of timber that length is 200 mm～600mm,, and when the flexibility of log reaches 15 mm～20mm, should block for advancing level with every 100mm;
a
2, the perfectly straight log of profile blocks into the short section of timber that length is 450 mm～600mm.
3. the integrated bonding technique of timber according to claim 1 abnormity unit slat is characterized in that the method that the short section of above-mentioned timber is split into special-shaped unit slat is as follows:
At first lower saw falls the bark part sawing of the short section of timber, form six cylinders or octahedral cylinder, then according to the material situation of cylinder cross section, cylinder is split into cuboid or prismatoid or the trigone abnormity unit slat of specific thickness, and when subdivision out be non-cuboid abnormity unit slat the time, then require the angle at oblique angle should unify to be 45° angle or 60 ° of angles.
4. the integrated bonding technique of timber abnormity unit slat according to claim 1 it is characterized in that above-mentioned each special-shaped unit slat adopts mechanical high-pressure drying method to carry out drying, and mechanical high-pressure drying method requirement top pressure is 200 kg/m
2～500kg/m
2, pressure remains to till dry the end, and each special-shaped unit slat to require dried final water content be 7%～10%.
5. the integrated bonding technique of timber according to claim 1 abnormity unit slat, it is characterized in that after finishing above-mentioned steps e, the sheet material of first each small dimension rectangular set being become a useful person places respectively on the plate joggling apparatus two sides to exert pressure to carry out gluing and solidifying, and guarantees that positive pressure is 3 kg/cm
2～5kg/cm
2, side pressure is 4 kg/cm
2～8kg/cm
2, and display health 72h behind the pressurize 45min, carry out again above-mentioned steps f.
6. the integrated bonding technique of timber according to claim 1 abnormity unit slat is characterized in that above-mentioned finger becomes large specification rectangular set the become a useful person tree lace position of adjacent two connecting end surfaces of sheet material of two small dimension rectangular sets of arbitrary neighborhood of sheet material of becoming a useful person mutually to stagger.
7. the integrated bonding technique of timber according to claim 1 abnormity unit slat, it is characterized in that after finishing above-mentioned steps f, can become a useful person the thickness of sheet material or/and width is proceeded splicing at large specification rectangular set, to form the larger specification rectangular set sheet material of becoming a useful person.
8. the integrated bonding technique of timber according to claim 1 abnormity unit slat, the coating weight that it is characterized in that above-mentioned wooden plate plying glue is 140 g/m
2～180g/m
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119045.1A CN103372898B (en) | 2012-04-23 | 2012-04-23 | Integration gluing technology for wood special-shaped unit strips |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119045.1A CN103372898B (en) | 2012-04-23 | 2012-04-23 | Integration gluing technology for wood special-shaped unit strips |
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| CN103372898A true CN103372898A (en) | 2013-10-30 |
| CN103372898B CN103372898B (en) | 2015-07-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909554A (en) * | 2014-04-01 | 2014-07-09 | 梅州市汇胜木制品有限公司 | Method of using submarginal log for producing solid wood furniture bent component |
| CN106078942A (en) * | 2016-07-11 | 2016-11-09 | 郭航 | A kind of bamboo six square material |
| CN106625908A (en) * | 2016-12-01 | 2017-05-10 | 兴业县金达木材有限公司 | Manufacturing method of waste laminated wood |
| CN108582309A (en) * | 2018-04-19 | 2018-09-28 | 南京林业大学 | Integrated glued jigsaw of large format furniture component and preparation method thereof |
| CN109129799A (en) * | 2018-11-01 | 2019-01-04 | 福建森源木作有限公司 | A kind of sawing sheet method of solid wood bookcase glass frame |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SE541538C2 (en) * | 2015-06-18 | 2019-10-29 | Stora Enso Oyj | Method of producing a laminated wood product, and laminated wood products |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108582309A (en) * | 2018-04-19 | 2018-09-28 | 南京林业大学 | Integrated glued jigsaw of large format furniture component and preparation method thereof |
| CN109129799A (en) * | 2018-11-01 | 2019-01-04 | 福建森源木作有限公司 | A kind of sawing sheet method of solid wood bookcase glass frame |
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| CN103372898B (en) | 2015-07-15 |
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