CN101579879A - High-performance wood restructuring laminated wood and manufacturing method thereof - Google Patents
High-performance wood restructuring laminated wood and manufacturing method thereof Download PDFInfo
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- CN101579879A CN101579879A CNA2009100861866A CN200910086186A CN101579879A CN 101579879 A CN101579879 A CN 101579879A CN A2009100861866 A CNA2009100861866 A CN A2009100861866A CN 200910086186 A CN200910086186 A CN 200910086186A CN 101579879 A CN101579879 A CN 101579879A
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Abstract
The invention discloses a high-performance wood restructuring laminated wood and a manufacturing method thereof. Massive remainders, namely wood slabs, produced in wood processing are taken as raw materials to manufacture high-density high-strength laminated boards and squared timbers used for structure and decoration by wood restructuring technology; wherein the waste remainders of the wood processing are sawed, discongested and peeled and dried to form edgings with certain specifications; then the edgings are levelly paved in multilayer, and heat pressing and post treatment are carried out to manufacture laminated boards and squared timbers. The processing technological processes are as follows: sawing the remainders, namely the wood slabs of the wood processing to be edgings with certain width and length, discongesting and peeling, and drying to certain moisture content; carrying out gumming and secondary drying on the dried edgings, then paving the edgings in a concave groove to form blanks; then pushing the blanks in the concave groove to a die on a thermocompressor for heat pressing, forming blank flat squared timbers, and then trimming and sanding to manufacture the finished product.
Description
Technical field
The invention belongs to the wood processing technique field, relate in particular to a kind of discarded residue of timber processing (mainly being solid wood timber) that utilizes and it is become the product and the manufacturing technology thereof of high-performance solid wood again by recombinant technique as the processing of log, sheet material etc.
Background technology
Wood-processing industry is one of pillar industry of Chinese national economy.The sawn timber product of wood-processing industry is a kind ofly to use product very widely in China, and its application relates to many aspects such as building, furniture, packing, transportation, machine-building.But, in timber processing, produce a large amount of residue waste materials-timber flaw-piece simultaneously.In the past, these residues were used to products such as processing fiber plate, particieboard more.But because these product needed are pulverized flaw-piece or grind, destroyed the original wooden structures of flaw-piece, therefore its manufactured goods mostly are the low value-added product of high energy consumption, low-intensity, low performance, the product structure of making is loose and matter is soft, and the recovery of its woodiness touch also will rely on other secondary operations to decorate and handle.Not only properties of product reduce, and also make processing technology more complicated, on the other hand, because wood-based panel products such as the fiberboard of China 80% or more, particieboard all use the urea aldehyde that can discharge a large amount of formaldehyde to be adhesive, so formaldehyde has more and more caused people's attention to human settlement's pollution problem in this fiberboard and the particieboard.
Summary of the invention
The purpose of this invention is to provide a kind of high-performance wood restructuring laminated wood, wood machining residues is turned waste into wealth it by the timber recombinant technique, make structure and decorate with high density, high strength and have the integrated timber of decoration texture.
Another object of the present invention provides the manufacture method of above-mentioned high-performance wood restructuring laminated wood.
For achieving the above object, the present invention takes following design:
A kind of high-performance wood restructuring laminated wood, at least comprise a plate square bar structural unite body: described plate square bar structural unite body is to be the finished products that raw material are made through secondary operations by the discarded residue of timber processing, wherein, described timber processing is discarded and is formed the edge strip with certain specification after peeling and dry the processing are separated, discongested to residue elder generation jagsaw; Described plate square bar structural unite body is again through hot pressing and post processing and the integrated timber finished product of making after the timber edge strip several layers after the aforementioned processing is forward mated formation.
Described plate square bar structural unite body overwhelming majority portion forward mats formation by the timber edge strip.
Or described plate square bar structural unite body is the top layer the timber edge strip is parallel forward to mat formation at least, and wherein, the timber edge strip of therebetween diamicton exists horizontal or obliquely mats formation.
Described wood machining residues is the dead meal that produces in solid wood class, Monoplacophora timber and the goods process.
The edge strip of described certain specification is width 5-20mm, length 10-50cm.
A kind of manufacture method of high-performance wood restructuring laminated wood comprises that raw material are chosen and the preparation section of processing, plate square bar structural unite body, and its concrete grammar step is as follows:
A) collect the dead meal that produces in solid wood class, Monoplacophora timber and the goods process, the timber edge strip that has bark is then discongested peeling earlier;
B) with the raw material after-treatment of choosing, specifically: timber flaw-piece saw is separated into edge strip, and edge strip is width 5-20mm, length 10-50cm; Again the timber edge strip is dried to moisture content 6%-12%: then the timber edge strip is immersed among the glue, the timber edge strip behind the impregnation arrives moisture content below 12% through draining also force drying;
C) in forward evenly being layered in the concave groove by the edge strip grain of wood direction timber edge strip after the after-treatment, form slab;
D) blank that will be contained in the concave groove pushes hot pressing in the mould that is placed on the hot press, and hot-forming is the plate square bar; Wherein: hot pressing temperature 120-160 ℃; Hot pressing pressure 2-7MPa; Hot pressing time, every millimeter thickness of slab 1-3min/mm;
E) the plate square bar that suppresses is tailored after edging, sanding, make finished product.
The raw material of choosing in the described step a) are if the timber edge strip of tape tree skin is then discongested peeling earlier: the process cylinder rolls and discongests, dull and stereotyped concora crush is discongested or manual method makes bark separate with timber.
In concrete the application, can directly adopt the plate square bar structural unite body that is made into integration, also can on demand a plurality of above-mentioned plate square bar structural unite body splicings be used.
The present invention under the prerequisite of not destroying the original wooden structures of timber edge strip, the novel timber that the wood machining residues edge strip is reassembled into high strength, high-performance, has wood grain attractive in appearance by timber reorganization integrated technology.Can in fields such as architectural decoration material, high-grade timber window, high-grade solid wood furniture, timber buildings and auto carriage board, high-intensity packing material, be used widely.
Advantage of the present invention is:
1, compare with existing fiberboard, particieboard product, the high-performance wood restructuring laminated wood product woodiness touch that the present invention produces is strong, density and intensity height, and decorate properties is good.
2, high-performance wood restructuring laminated wood manufacture method energy consumption of the present invention is low, equipment investment is little.
3, a large amount of residue waste materials can obtain better application, remarkable in economical benefits.
4, compare with particle making fiberboard, particieboard, because the adhesive consumption that adds significantly reduces, product is environmental protection more.
5, owing to the significantly lifting of product quality, the product range of application that makes is more extensive.
Description of drawings
Fig. 1 is high-performance wood restructuring laminated wood one an example structure schematic diagram of the present invention (integrated sheet material)
Fig. 2 is another example structure schematic diagram of high-performance wood restructuring laminated wood of the present invention (integrated sheet material)
Fig. 3 is a high-performance wood restructuring laminated wood manufacturing process flow diagram of the present invention
The specific embodiment
High-performance wood restructuring laminated wood of the present invention can be to exist with sheet material or square bar version as required.
As shown in Figure 1, be the structure of the plate square bar structural unite body 1 sheet material form on high-performance wood restructuring laminated wood of the present invention basis, it is that the discarded residue edge strip 101 of timber processing by less relatively layer is arranged in parallel and stacked after hot-press gluing forms.At least should guarantee that batten parallel forward arrangement in top layer is better; Other layers batten is also parallel forward to be arranged.
The structure of the plate square bar structural unite body 1 square bar form on high-performance wood restructuring laminated wood of the present invention basis is also by being arranged in parallel than the discarded residue edge strip 101 of timber processing of multilayer relatively and stacked after hot-press gluing forms.At least should guarantee that batten parallel forward arrangement in top layer is better; Other layers batten is also parallel forward to be arranged.
As shown in Figure 2, it is the structure of the plate square bar structural unite body 1 another square bar form on high-performance wood restructuring laminated wood of the present invention basis, it is that the timber edge strip 101 on top layer is forward mated formation by grain of wood direction is parallel at least, and it is vertical or obliquely mat formation that the timber edge strip 102 of therebetween diamicton and the timber edge strip on top layer are laid direction.
It is raw material that raw material of the present invention is mainly selected following wood machining residues: log saw is separated the various leftover pieces that produce in the process, the discarded edge strip that produces in various discarded broken veneer that produces in the plywood production and all solid wood classes, Monoplacophora timber and the goods process such as discarded edge strip that produces in the processing of wood finger joint integrated timber.
Peeling separated, discongests by the discarded residue of described timber processing elder generation jagsaw and the dry back of handling forms and has certain specification (width 5-20mm, length 10-50cm) edge strip, again the edge strip impregnation of the discarded residue of timber processing is drained or force drying to moisture content below 12%.After the parallel multilayer of edge strip after the processing is forward mated formation again through hot pressing and post processing and make the integrated timber finished product.Described post processing is to tailor into certain specification after the slab edging after the hot pressing, the sanding.
The present invention also provides a kind of manufacture method of high-performance wood restructuring laminated wood, comprises that raw material are chosen and the preparation section of processing, plate square bar structural unite body, and its concrete grammar step is as follows:
A) select materials: collect the dead meal that produces in solid wood class, Monoplacophora timber and the goods process, the timber edge strip that has bark is discongested peeling earlier: the timber edge strip of tape tree skin is rolled through cylinder discongest or mode that dull and stereotyped concora crush is discongested makes bark separate with timber, also can before saw is separated, the bulk flaw-piece be debarked by manual method.
B) with the raw material after-treatment of choosing, specifically: timber flaw-piece saw is separated into edge strip, and edge strip is width 5-20mm, length 10-50cm; The mode of doing by force drying or gas is dried to moisture content 6%-12% with the timber edge strip of removing the peel again, then timber edge strip impregnation is handled.
Described gum dipping process is that the timber edge strip with drying is immersed among the glue.The glue composition is a modified phenolic resin adhesive, and glue solids content 10%-25% makes the batten surface be uniformly impregnated within the glue under this content, not only guarantees bonding strength but also be unlikely to make glue too much to cause waste.Timber edge strip behind the impregnation needs to arrive moisture content below 12% through draining also force drying.
Described glue composition can also be modified isocyanate adhesive, cyanurotriamide modified glue, resorcinol adhesive, vinylacetate adhesive and other various wood adhesives.
C) evenly be layered in the concave groove the timber edge strip after the after-treatment is parallel, form slab; Wherein, the parallel multilayer of edge strip is forward mated formation.
D) blank that will be contained in the concave groove pushes hot pressing in the mould that is placed on the hot press, forms the plate square bar.The hot pressing parameters that the present invention adopts is as follows: hot pressing temperature 120-160 ℃; Hot pressing pressure 2-7MPa (according to the Auto-regulating System of Density of Heavy Medium of goods); Hot pressing time: 1-3min/mm.
As to prepare density be 0.9g/cm
3, thickness is the sheet material of 25mm, hot pressing temperature is 145 ℃; Hot pressing pressure 5MPa; Hot pressing time is got 35min.
E) the plate square bar that suppresses is tailored after edging, sanding, make finished product.
The present invention can make the reorganization timber of different densities varying strength, to satisfy the needs of different performance by modes such as control heat pressing process conditions.
The present invention recombinates, and timber can reach better than original solid wood performance, intensity is higher, and (the decorative pattern texture can be very natural to have certain decorative pattern texture, also can these natural figure art be arranged through artificial design, give beyond thought effect), therefore at furniture, high-gradely decorate the substitute that door and decorative panel for building field can be used as the high-grade timber of import, promoted Wood products value (value of this reorganization timber even surpassed the value of its original China artificial forest solid wood Wood products) greatly.
The utilization of this in the past timber flaw-piece is that particieboard and fiberboard are made in its pulverizing or defibrination.The performance of these two kinds of products is far below product of the present invention, and its outward appearance texture must could be realized by the processing of secondary veneer.
The various embodiments described above can not depart from the scope of the present invention down in addition some variations, thus more than explanation comprise and accompanying drawing shown in structure should be considered as exemplary, but not in order to limit patent protection scope of the present invention.
The present invention is further described below in conjunction with embodiment.
Embodiment 1:
Residue-China fir flaw-piece of at first selecting the wood of Cunninghamia lanceolata saw to separate in the processing is a raw material, its saw is separated into width 5-20mm, length 10-50cm edge strip.Then, through rolling to discongest bark is separated with the timber edge strip China fir edge strip of tape tree skin, put into drying box edge strip is dried to moisture content 6%-12%.The 3rd step was immersed in the timber edge strip of drying among the modified alkyd resin glue liquid of solids content 20%, treat that whole edge strips all soak glue after, the taking-up edge strip drains, and further is dried to moisture content below 12%.The 4th step forward evenly was layered on impregnation dried timber edge strip in the concave groove, formed slab, then blank was pushed hot pressing in the mould that is placed on the hot press, suppressed by following hot pressing parameters: hot pressing temperature 120-160 ℃; Hot pressing pressure 2-7MPa (according to the Auto-regulating System of Density of Heavy Medium of goods); Hot pressing time, every millimeter thickness of slab 1-3 minute, i.e. 1-3min/mm forms the plate square bar.The plate square bar that suppresses tailored after edging, sanding become to need size, make finished product.As density is 0.9g/cm
3, thickness is the sheet material of 25mm, its performance indications can reach: elastic modelling quantity is 26730MPa, MOR 134MPa, boils internal bond strength 0.25MPa.
Embodiment 2:
Select the discarded broken veneer that produces in the plywood production for use, length rejected less than the broken veneer of 5cm, and with length greater than 50cm, width is tailored into width 5-20mm greater than the veneer strip of 20mm, length 10-50cm edge strip.Press the working condition of embodiment 1 then, with the edge strip of selecting for use carry out impregnation, drying, mat formation, modes such as hot pressing and back arrangement form plate square bar finished product.As density is 0.8g/cm
3, thickness is the sheet material of 20mm, its elastic modelling quantity is 24730MPa, MOR 121MPa, boils internal bond strength 0.35MPa.
Embodiment 3:
The saw side plate bar of selecting for use the integrated sheet material of finger to produce in producing need not done other and handle, and directly press the working condition of embodiment 1, carries out impregnation, drying, mats formation, modes such as hot pressing and arrangement afterwards form plate square bar finished product.As density is 1.0g/cm
3, thickness is the sheet material of 25mm, its elastic modelling quantity is 28650MPa, MOR 167MPa.
Claims (10)
1, a kind of high-performance wood restructuring laminated wood, at least comprise a plate square bar structural unite body, it is characterized in that: described plate square bar structural unite body is to be the finished products that raw material are made through secondary operations by the discarded residue of timber processing, wherein, described timber processing is discarded and is formed the edge strip with certain specification after peeling and dry the processing are separated, discongested to residue elder generation jagsaw; Described plate square bar structural unite body is with the flat integrated timber finished product of making through hot pressing and post processing again after mating formation of the timber edge strip multilayer after the aforementioned processing.
2, high-performance wood restructuring laminated wood according to claim 1 is characterized in that: the timber edge strip on described plate square bar structural unite body top layer is parallel forward mats formation.
3, high-performance wood restructuring laminated wood according to claim 1 is characterized in that: the timber edge strip of described plate square bar structural unite body build-up layer is by forward mating formation, and the spreading that it is short-and-medium laminates mutually.
4, high-performance wood restructuring laminated wood according to claim 2 is characterized in that: wherein, it is vertical or obliquely mat formation that the timber edge strip of therebetween diamicton and the timber edge strip on top layer are laid direction.
5, high-performance wood restructuring laminated wood according to claim 1 is characterized in that: described wood machining residues is the dead meal that produces in solid wood class, Monoplacophora timber and the goods process.
6, high-performance wood restructuring laminated wood according to claim 5 is characterized in that: described wood machining residues is that log saw is separated discarded broken veneer that produces in the leftover pieces that produce in the process, the plywood production and the discarded edge strip that produces in the processing of wood finger joint integrated timber.
7, high-performance wood restructuring laminated wood according to claim 1 is characterized in that: the edge strip of described certain specification is width 5-20mm, length 10-50cm.
8, a kind of manufacture method of high-performance wood restructuring laminated wood comprises that raw material are chosen and the preparation section of processing, plate square bar structural unite body, it is characterized in that method step is as follows:
A) collect the dead meal that produces in solid wood class, Monoplacophora timber and the goods process, the timber edge strip that has bark is then discongested peeling earlier;
B) with the raw material after-treatment of choosing, specifically: timber flaw-piece saw is separated into edge strip, and edge strip is width 5-20mm, length 10-50cm; Again the timber edge strip is dried to moisture content 6%-12%: then the timber edge strip is immersed among the glue, the timber edge strip behind the impregnation arrives moisture content below 12% through draining also force drying;
C) the parallel forward several layers of the timber edge strip after the after-treatment evenly is layered in the concave groove, forms slab;
D) blank that will be contained in the concave groove pushes hot pressing in the mould that is placed on the hot press, and hot-forming is the plate square bar; Wherein: hot pressing temperature 120-160 ℃; Hot pressing pressure 2-7MPa; Hot pressing time, every millimeter thickness of slab 1-3min/mm;
E) the plate square bar that suppresses is tailored after edging, sanding, make finished product.
9, the manufacture method of high-performance wood restructuring laminated wood according to claim 8, it is characterized in that: the raw material of choosing in the described step a) are if the timber edge strip of tape tree skin is then discongested peeling earlier: the process cylinder rolls and discongests, dull and stereotyped concora crush is discongested or manual method makes bark separate with timber.
10, the manufacture method of high-performance wood restructuring laminated wood according to claim 8, it is characterized in that: in the described step d), density and integrated timber size according to restructuring laminated timber calculates slab materials amount earlier, weighs up the amount of used batten, more alleged batten is used to the slab of mating formation; Determine hot pressing time according to the design slab thickness again.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102390070A (en) * | 2011-10-12 | 2012-03-28 | 中南大学 | Machining recycling method of wood waste |
| CN102672787A (en) * | 2012-05-21 | 2012-09-19 | 福建省永林竹业有限公司 | Method for producing homogeneous and compact bamboo recombinant material |
| CN102825644A (en) * | 2011-06-16 | 2012-12-19 | 深圳市豪盛装饰制品有限公司 | Plate manufacturing process |
| CN103600383A (en) * | 2013-11-21 | 2014-02-26 | 中国林业科学研究院木材工业研究所 | Forward wood laminated timber production process and impact device |
| CN105538428A (en) * | 2015-12-08 | 2016-05-04 | 江西省林业科学院 | Method for producing wooden composite board through camphor tree residues |
| CN107234696A (en) * | 2017-08-02 | 2017-10-10 | 国际竹藤中心 | A kind of bamboo（Wood）The preparation method of meal chopsticks laminated timber |
| CN107283592A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of wear-resisting timber recombinates integrated composite material for decoration |
| CN107283570A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of antiseptic fire-retardation timber recombinates integrated wooden material |
| CN107283571A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of antiseptic fire-retardation timber recombinates integrated decoration material |
| CN107283568A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of antiseptic fire-retardation timber recombinates integrated composite material for decoration |
| CN107471338A (en) * | 2017-08-25 | 2017-12-15 | 龙门县品汐竹木制品有限公司 | A kind of wear-resisting integrated wooden material of timber restructuring |
| CN107498650A (en) * | 2017-08-25 | 2017-12-22 | 龙门县品汐竹木制品有限公司 | A kind of wear-resisting timber restructuring integrated decoration material |
| CN111037675A (en) * | 2019-12-24 | 2020-04-21 | 杭州好迪装饰家私有限公司 | Wood edge pressing process |
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| CN102825644A (en) * | 2011-06-16 | 2012-12-19 | 深圳市豪盛装饰制品有限公司 | Plate manufacturing process |
| CN102390070A (en) * | 2011-10-12 | 2012-03-28 | 中南大学 | Machining recycling method of wood waste |
| CN102672787A (en) * | 2012-05-21 | 2012-09-19 | 福建省永林竹业有限公司 | Method for producing homogeneous and compact bamboo recombinant material |
| CN103600383A (en) * | 2013-11-21 | 2014-02-26 | 中国林业科学研究院木材工业研究所 | Forward wood laminated timber production process and impact device |
| CN105538428B (en) * | 2015-12-08 | 2017-11-14 | 江西省林业科学院 | A kind of method that wood composite board is produced using camphor tree residue |
| CN105538428A (en) * | 2015-12-08 | 2016-05-04 | 江西省林业科学院 | Method for producing wooden composite board through camphor tree residues |
| CN107234696A (en) * | 2017-08-02 | 2017-10-10 | 国际竹藤中心 | A kind of bamboo（Wood）The preparation method of meal chopsticks laminated timber |
| CN107283592A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of wear-resisting timber recombinates integrated composite material for decoration |
| CN107283571A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of antiseptic fire-retardation timber recombinates integrated decoration material |
| CN107283568A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of antiseptic fire-retardation timber recombinates integrated composite material for decoration |
| CN107283570A (en) * | 2017-08-25 | 2017-10-24 | 龙门县品汐竹木制品有限公司 | A kind of antiseptic fire-retardation timber recombinates integrated wooden material |
| CN107471338A (en) * | 2017-08-25 | 2017-12-15 | 龙门县品汐竹木制品有限公司 | A kind of wear-resisting integrated wooden material of timber restructuring |
| CN107498650A (en) * | 2017-08-25 | 2017-12-22 | 龙门县品汐竹木制品有限公司 | A kind of wear-resisting timber restructuring integrated decoration material |
| CN111037675A (en) * | 2019-12-24 | 2020-04-21 | 杭州好迪装饰家私有限公司 | Wood edge pressing process |
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Application publication date: 20091118 |