CN102431065A - Straight grain laminated veneer layer lumber, and processing method and application thereof - Google Patents
Straight grain laminated veneer layer lumber, and processing method and application thereof Download PDFInfo
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- CN102431065A CN102431065A CN2011103289151A CN201110328915A CN102431065A CN 102431065 A CN102431065 A CN 102431065A CN 2011103289151 A CN2011103289151 A CN 2011103289151A CN 201110328915 A CN201110328915 A CN 201110328915A CN 102431065 A CN102431065 A CN 102431065A
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Abstract
The invention discloses a straight grain laminated veneer slayer lumber, and a processing method and application thereof, and relates to a wood grain laminated veneer lumber with a beautiful surface. The straight grain laminated veneer layer lumber takes a conventional rotating fast-growing lumber as a raw material, and is formed by stacking a plurality of deep-color veneer layers and a plurality of light-color veneer layers in a staggered way; and each veneer layer form an included angle of 40 to 89 degrees with the top surface of a laminated plate on a transverse vertical cross section of the laminated plate. The processing method provided by the invention also comprises a coloring process and a secondary hot-pressing process. The application of the straight grain laminated veneer layer lumber is to paste and cover on an oriented shaving board top surface to form a straight grain composite floor board. In the invention, the characteristic of a veneer is fully utilized; the colors of the laminated veneers are layered; the deep-color veneer layers and the light-color veneer layers are overlapped in the staggered way or form a blank by stacking in the staggered way in groups; and then beveling is performed, so that beautiful linear-type wood texture is formed. In the invention, products with beautiful surfaces can be manufactured by utilizing the fast-growing lumber, which contributes to protecting rare forest resources. The straight grain laminated veneer slayer lumber is used as floor board and structural materials, and furniture, window, floor, indoor and outdoor decorative materials.
Description
Technical field
The present invention relates to have laminated veneer lumber, processing method and the application thereof of technological effect, relate in particular to laminated veneer lumber, processing method and application thereof with surperficial wooden line attractive in appearance.
Background technology
The time that laminated veneer lumber (LVL) is introduced to the market as a kind of new material is not long, and output is still very little, and purposes is just in the development phase.The characteristic of laminated veneer lumber (LVL) mainly is a beautiful appearance, gives people's vision with fresh feel, and intensity is even, and stable, good endurance does not need drying, and the size free degree is big etc.At present, conventional processing method is the thick veneer with rotary-cut, through applying glue, rift grain assembly, exert pressure and glue together and make.Have preferable strength character, good creep-resistant property is arranged.
As adopt the abundant hard weedtree resource of tone, and the laminated veneer lumber tone can be comparatively thick and heavy, and the wood grain contrast is strong, satisfies sedate personage's demand.Consider the scarcity of resources factor, adopt fast growing wood to make laminated timber, so just be difficult to form that tone is thick and heavy, the tangible product of wood grain, because the big masstone of fast growing wood is relatively more plain, light, the texture contrast is unintelligible.
Summary of the invention
The present invention is directed to above problem, provide a kind of fast growing wood veneer to make raw material, can make straight burr laminated veneer lumber, processing method and application thereof with surperficial wood grain attractive in appearance with conventional rotary-cut.
Technical scheme of the present invention is: formed by some dark plies and light ply intersecting; Said each ply is 40-89 degree angle with said laminated board end face on the horizontal vertical of said laminated board cross section.
Processing method of the present invention comprises rotary cut venner, assembly, gummed, hot pressing process, also comprises the painted operation and the secondary hot pressing operation of dark ply being carried out color burn; Adopt urea-formaldehyde glue during gummed, hot pressing pressure is 1.5-3.5MPa, the time during by hot pressing between the upper and lower hot-die material thickness be 50-150s/mm, make slab; At least two said slabs of general are placed on and carry out the secondary compacting in the hot pressing die; When secondary is suppressed, between said adjacent slab, be equipped with the veneer that the 1-30 layer scribbles binding agent; After the secondary profiled, making the slab group, with 90 ° of slab group upsets, with slab group side up, is that starting point is cut sth. askew to said slab group end face from up slab group side distal edge linea angulata, makes cut sth. askew line and said end face be 40-89 degree angle; Repair at last and close to end face and distal face, make.
Said painted operation adopts carbonization technique, and said carburizing temperature is 150-245 ℃, carbonization time 25-400s.
Said painted operation adopts aging technique, and said aging technique is for to be placed on temperature 30-60 ℃ with veneer, in the environment of relative humidity 30-100 1-30 days; Make dark ply.
Said painted operation adopts dyeing.
Said binding agent is a urea-formaldehyde glue during secondary compacting, and the pressure of secondary compacting is 1-5MPa, and the time is 100-168 hour.
Said binding agent is the aquosity polymer isocyanic ester wood adhesive during secondary compacting, and the secondary pressing pressure is 1-5MPa, and the time is 0.5-2 hour.
The application of straight burr laminated veneer lumber plate of the present invention is processed the plate of 2-10mm with said straight burr laminated veneer lumber, pastes then at the oriented wood chipboard end face, forms the ruled surface composite floor board.
Make full use of " thickness " characteristic of veneer among the present invention; With range upon range of board clip look; Dark color, light veneer are carried out interfolded or " in groups " interfolded assembly, cut sth. askew the surface after cutting sth. askew then; Owing to constitute the some veneers side on surface or the colourity difference of prism, thereby can form linear pattern wood grain attractive in appearance.The texture contrast on final products surface is strong, the sheet material integral color is thick and heavy.In addition, the carbonation process in the processing method of the present invention, under the carburizing temperature effect, " annual ring line " and the unconspicuous fast growing wood of growth line are because the difference of " the annual ring line " that constitute and growth line " packing " also can further highlight wooden texture.The present invention adopts fast growing wood can produce the product of surface aesthetic, helps protecting the rare forest reserves.Be mainly used in high forestick and make floor, structural wood in the building, furniture, door and window, ground and indoor and outdoor ornament materials.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the upward view of Fig. 1,
Fig. 4 is the sketch map of suppressing in the process of the present invention,
Fig. 5 is the sketch map of secondary hot pressing in the process of the present invention,
Fig. 6 is the structural representation of the slab group that makes after the secondary of the present invention compacting,
Fig. 7 is the sketch map that the present invention cuts sth. askew,
Fig. 8 is that the present invention repaiies the sketch map of cutting end face;
1 is end face among the figure, the 10th, and the side, the 2nd, veneer, the 21st, light ply, the 22nd, dark ply, the 31st, patrix, the 32nd, counterdie, the 41st, slab, the 42nd, the slab group, the 51st, the plate face divides tangent line, and the 52nd, end face divides tangent line.
The specific embodiment
The present invention is formed with light ply 21 intersectings by some dark plies 22 shown in Fig. 1-3; Said each ply is 40-89 degree angle with said laminated board end face 1 on the horizontal vertical of said laminated board cross section.Here staggered is range upon range of staggered, can be to interlock one by one; It also can be rule or staggered in groups erratically; Such as the straight burr for the big gradient of formation, dark ply 3-10 opens one group, 3-10 is set above that again open light ply, and then circulation stacks; Also can open one group by dark ply 2-8, light ply 5-20 opens one group, and the straight burr of formation is more near natural wood grain (because the growth line is generally light color, the annual ring line is generally dark color, and the growth line is more roomy than annual ring line).The light ply 21 general log true qualities that adopt among the present invention, the log true qualities of fast growing wood meet the light ply of indication of the present invention; Dark ply is that the painted back of fast growing wood forms; Dark ply and light ply have tangible contrast.
Processing method of the present invention comprises rotary cut venner, assembly, gummed, hot pressing process shown in Fig. 4-8, also comprise the painted operation and the secondary hot pressing operation of dark ply being carried out color burn; Adopt urea-formaldehyde glue during gummed, hot pressing pressure is 1.5-3.5MPa, the time during by hot pressing between the upper and lower hot-die (patrix 31, counterdie 32) material thickness be 50-150s/mm, make slab 41; At least two said slabs of general are placed on and carry out the secondary compacting in the hot pressing die (being patrix 31, counterdie 32); When secondary is suppressed, between said adjacent slab 41, be equipped with the veneer 2 that the 1-30 layer scribbles binding agent; After the secondary profiled; Make slab group 42; With 90 ° of slab group 42 upsets; With slab group 42 sides 10 up, be that starting point is cut sth. askew to said slab group 42 end faces 1 from up slab group 52 sides 10 distal edge linea angulatas, make the line (being that the plate face divides tangent line 51) of cutting sth. askew be 40-89 degree angle with said end face 1; Cut line 52 along the end face end face at last and repair and close to end face and distal face, make.
Adopt this optimized Measures can prevent the big product center position of thickness and edge tissue " packing ", the uneven problem of " gel " degree.
The secondary compacting is generally carried out at normal temperatures.
When secondary was suppressed, said binding agent was a urea-formaldehyde glue, and the pressure of secondary compacting is 1-5MPa, and the time is 100-168 hour.
When secondary was suppressed, said binding agent was the aquosity polymer isocyanic ester wood adhesive, and the pressure of secondary compacting is 1-5MPa, and the time is 0.5-2 hour.
The 2nd, adopt carbonization technique to make color burn.Said carburizing temperature is 150-245 ℃, carbonization time 25-400s.
The 3rd, adopt the aging technique intensification of winking, said aging technique is for to be placed on temperature 30-60 ℃ with veneer, in the environment of relative humidity 30-100 1-30 days.
This kind method is primarily aimed at thicker or bigger in batches finished product, and after it was work sheet sheet laminated board (being slab 41), the laminated board with some monolithics was built up thicker product (being slab group 41) again, and then cuts according to the use needs.Can directly cut into floor, load-bearing beam column, furniture bearing plate etc.
Above processing method is repaiied the leftover pieces of removing when cutting both ends of the surface and still can be used for the excellent raw material of high-density plate in the end face of cutting sth. askew, bottom surface, can not cause raw-material waste.
The present invention processes the plate of 2-10mm, pastes then at oriented wood chipboard (OSB) end face, forms the composite floor board with linear wood grain attractive in appearance surface.Also can be directly as the ground board raw material.
Certain product of the present invention is not limited to above application, also can be used for: the composite floor board blank, door and window, door pocket, load-bearing beam column play decoration function and structural member effect.
Claims (8)
1. a straight burr laminated veneer lumber plate is characterized in that, is formed by some dark plies and light ply intersecting; Said each ply is 40-89 degree angle with said laminated board end face on the horizontal vertical of said laminated board cross section.
2. the processing method of the said a kind of straight burr laminated veneer lumber plate of claim 1 comprises rotary cut venner, assembly, gummed, hot pressing process, it is characterized in that, also comprises the painted operation and the secondary hot pressing operation of dark ply being carried out color burn; Adopt urea-formaldehyde glue during gummed, hot pressing pressure is 1.5-3.5MPa, the time during by hot pressing between the upper and lower hot-die material thickness be 50-150s/mm, make slab; At least two said slabs of general are placed on and carry out the secondary compacting in the hot pressing die; When secondary is suppressed, between said adjacent slab, be equipped with the veneer that the 1-30 layer scribbles binding agent; After the secondary profiled, making the slab group, with 90 ° of slab group upsets, with slab group side up, is that starting point is cut sth. askew to said slab group end face from up slab group side distal edge linea angulata, makes cut sth. askew line and said end face be 40-89 degree angle; Repair at last and close to end face and distal face, make.
3. the processing method of a kind of straight burr laminated veneer lumber plate according to claim 2 is characterized in that; Said painted operation adopts carbonization technique, and said carburizing temperature is 150-245 ℃, carbonization time 25-400s.
4. the processing method of a kind of straight burr laminated veneer lumber plate according to claim 2 is characterized in that; Said painted operation adopts aging technique, and said aging technique is for to be placed on temperature 30-60 ℃ with veneer, in the environment of relative humidity 30-100 1-30 days; Make dark ply.
5. the processing method of a kind of straight burr laminated veneer lumber plate according to claim 2 is characterized in that; Said painted operation adopts dyeing.
6. the processing method of a kind of straight burr laminated veneer lumber plate according to claim 2 is characterized in that; Said binding agent is a urea-formaldehyde glue during secondary compacting, and the pressure of secondary compacting is 1-5MPa, and the time is 100-168 hour.
7. the processing method of a kind of straight burr laminated veneer lumber plate according to claim 2 is characterized in that, said binding agent is the aquosity polymer isocyanic ester wood adhesive during secondary compacting, and the secondary pressing pressure is 1-5MPa, and the time is 0.5-2 hour.
8. the application of the said a kind of straight burr laminated veneer lumber plate of claim 1 is characterized in that, said straight burr laminated veneer lumber is processed the plate of 2-10mm, pastes then at the oriented wood chipboard end face, forms the ruled surface composite floor board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103289151A CN102431065A (en) | 2011-10-25 | 2011-10-25 | Straight grain laminated veneer layer lumber, and processing method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103289151A CN102431065A (en) | 2011-10-25 | 2011-10-25 | Straight grain laminated veneer layer lumber, and processing method and application thereof |
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| CN102431065A true CN102431065A (en) | 2012-05-02 |
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| CN2011103289151A Pending CN102431065A (en) | 2011-10-25 | 2011-10-25 | Straight grain laminated veneer layer lumber, and processing method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642234A (en) * | 2012-05-09 | 2012-08-22 | 江苏快乐木业集团有限公司 | Homodromous wood shaving structural material and machining method thereof |
| CN109263050A (en) * | 2018-08-03 | 2019-01-25 | 东莞均益精密五金制品有限公司 | Wood grain effect fibrous material and preparation method thereof |
| US11292184B2 (en) | 2019-12-17 | 2022-04-05 | Goodrich Corporation | Extrusion additive manufacturing for veneer applications |
| US11305484B2 (en) | 2019-12-17 | 2022-04-19 | Goodrich Corporation | Laminated object additive manufacturing for veneer applications |
| US11370144B2 (en) | 2019-10-08 | 2022-06-28 | Goodrich Corporation | Method and system for sequencing veneer to lumbercore |
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| CN1362315A (en) * | 2000-12-30 | 2002-08-07 | 德华建材(苏州)有限公司 | Making process of artificial square pillar timber |
| DE10304333B3 (en) * | 2003-02-04 | 2004-03-04 | Kronotec Ag | The wooden derivative panel, or especially laminate flooring panel, has a core of wood fibers or chippings compressed and mixed with bonding agent |
| CN1908344A (en) * | 2006-08-22 | 2007-02-07 | 南京林业大学 | Charring wood composite floor and manufacturing method thereof |
| CN101456197A (en) * | 2008-12-31 | 2009-06-17 | 德华兔宝宝装饰新材股份有限公司 | Fabric-like recombined decorated veneer and manufacture method thereof |
| CN201325099Y (en) * | 2008-12-31 | 2009-10-14 | 德华兔宝宝装饰新材股份有限公司 | Die for restructuring decorative material |
| JP2011143574A (en) * | 2010-01-13 | 2011-07-28 | Kagaya Mokuzai Kk | Method for manufacturing laminated material including color cloth or laminated lumber including color cloth |
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| CN202292939U (en) * | 2011-10-25 | 2012-07-04 | 江苏快乐木业集团有限公司 | Straight line veneer laminated plate |
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2011
- 2011-10-25 CN CN2011103289151A patent/CN102431065A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3200257A1 (en) * | 1982-01-07 | 1983-07-14 | Matsushita Electric Works, Ltd., Kadoma, Osaka | Process for producing artificial veneers |
| CN1362315A (en) * | 2000-12-30 | 2002-08-07 | 德华建材(苏州)有限公司 | Making process of artificial square pillar timber |
| CN2500450Y (en) * | 2001-07-20 | 2002-07-17 | 杨钊 | Artificial colour wood |
| DE10304333B3 (en) * | 2003-02-04 | 2004-03-04 | Kronotec Ag | The wooden derivative panel, or especially laminate flooring panel, has a core of wood fibers or chippings compressed and mixed with bonding agent |
| CN1908344A (en) * | 2006-08-22 | 2007-02-07 | 南京林业大学 | Charring wood composite floor and manufacturing method thereof |
| CN101456197A (en) * | 2008-12-31 | 2009-06-17 | 德华兔宝宝装饰新材股份有限公司 | Fabric-like recombined decorated veneer and manufacture method thereof |
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| JP2011143574A (en) * | 2010-01-13 | 2011-07-28 | Kagaya Mokuzai Kk | Method for manufacturing laminated material including color cloth or laminated lumber including color cloth |
| CN102172931A (en) * | 2011-02-22 | 2011-09-07 | 浙江省林业科学研究院 | Straight-line simulated veneer and preparation method thereof |
| CN202292939U (en) * | 2011-10-25 | 2012-07-04 | 江苏快乐木业集团有限公司 | Straight line veneer laminated plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642234A (en) * | 2012-05-09 | 2012-08-22 | 江苏快乐木业集团有限公司 | Homodromous wood shaving structural material and machining method thereof |
| CN109263050A (en) * | 2018-08-03 | 2019-01-25 | 东莞均益精密五金制品有限公司 | Wood grain effect fibrous material and preparation method thereof |
| US11370144B2 (en) | 2019-10-08 | 2022-06-28 | Goodrich Corporation | Method and system for sequencing veneer to lumbercore |
| US11292184B2 (en) | 2019-12-17 | 2022-04-05 | Goodrich Corporation | Extrusion additive manufacturing for veneer applications |
| US11305484B2 (en) | 2019-12-17 | 2022-04-19 | Goodrich Corporation | Laminated object additive manufacturing for veneer applications |
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Application publication date: 20120502 |