CN101264614A - Wood veneer for container bottom board and producing method thereof - Google Patents
Wood veneer for container bottom board and producing method thereof Download PDFInfo
- Publication number
- CN101264614A CN101264614A CNA2007100870438A CN200710087043A CN101264614A CN 101264614 A CN101264614 A CN 101264614A CN A2007100870438 A CNA2007100870438 A CN A2007100870438A CN 200710087043 A CN200710087043 A CN 200710087043A CN 101264614 A CN101264614 A CN 101264614A
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- 239000002023 wood Substances 0.000 title claims abstract description 15
- 238000007731 hot pressing Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000000034 methods Methods 0.000 claims abstract description 8
- 239000011901 water Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 5
- 239000010410 layers Substances 0.000 claims description 45
- 239000002131 composite materials Substances 0.000 claims description 18
- 241000219000 Populus Species 0.000 claims description 13
- 280000765563 Bamboo companies 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 240000001200 Eucalyptus globulus Species 0.000 claims description 6
- 235000004694 Eucalyptus leucoxylon Nutrition 0.000 claims description 6
- 235000010705 Eucalyptus maculata Nutrition 0.000 claims description 6
- 235000009683 Eucalyptus polybractea Nutrition 0.000 claims description 6
- 235000009687 Eucalyptus sargentii Nutrition 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 235000001612 eucalyptus Nutrition 0.000 claims description 6
- 235000001617 eucalyptus Nutrition 0.000 claims description 6
- 235000001621 eucalyptus Nutrition 0.000 claims description 6
- 235000006356 eucalyptus Nutrition 0.000 claims description 6
- 235000005227 red mallee Nutrition 0.000 claims description 6
- 235000013312 flour Nutrition 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 241000219495 Betulaceae Species 0.000 claims description 3
- 241000218652 Larix Species 0.000 claims description 3
- 235000005590 Larix decidua Nutrition 0.000 claims description 3
- 235000018185 birch Nutrition 0.000 claims description 3
- 235000018212 birch Nutrition 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- -1 clone plank Substances 0.000 claims description 2
- 239000004922 lacquers Substances 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethanes Polymers 0.000 claims description 2
- 240000003917 Bambusa tulda Species 0.000 claims 2
- 239000011120 plywood Substances 0.000 abstract description 3
- 241001081830 Degeneriaceae Species 0.000 abstract 7
- 241000183024 Populus tremula Species 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 239000000463 materials Substances 0.000 description 5
- 239000000123 papers Substances 0.000 description 4
- 239000002994 raw materials Substances 0.000 description 4
- 241000274582 Pycnanthus angolensis Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000051 modifying Effects 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 241000218231 Moraceae Species 0.000 description 1
- 241000237509 Patinopecten sp. Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000681094 Zingel asper Species 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 239000000853 adhesives Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000003139 buffering Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010367 cloning Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000945 fillers Substances 0.000 description 1
- 239000002421 finishings Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000011799 hole materials Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effects Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 235000020637 scallop Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reactions Methods 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Abstract
Description
Technical field
The invention belongs to a kind of composite board for bottom board of container and production method thereof, particularly a kind of composite board for bottom board of container and production method thereof of producing with poplar.
Background technology
Container is formed by steel plate, paint with as the shockproof base plate-thick glued board of buffering, owing to container bottom board mainly is same as transportation, must have good antidetonation, shock-resistant, weatherability, performance such as ageing-resistant.Therefore, except apparent size, very high requirement has been proposed physical properties such as the glue of the glued board that is used for container bottom board and durability, MOR, elastic modelling quantity.For satisfying the requirement of product physical performance index, it is raw material that container is generally selected the high density rigid broad-leaved wood for use with timber apron, because the growth cycle of such seeds is long, generally about 100 years, and human wants day by day increases, and causes worldwide hard broad-leaved wood resource sharply to reduce.In order to seek alternative raw material, people have done a large amount of work, proposing with the eucalyptus as Chinese patent application 02271498.7 and 02134300.4 is that main raw material(s) is produced composite board for bottom board of container, and 94218435.1 and 94114944.7 propositions are that raw material is produced composite board for bottom board of container with the bamboo wood.
Eucalyptus is grown in the torrid zone, subtropical zone, and as in China South China establishing in large scale being arranged, northern area should not be planted, so its source still is restricted.Bamboo wood also is in the southern area growth, and because it belongs to the path material, bamboo wood is made the bamboo veneer need carry out loaded down with trivial details braiding or concatenation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, the quick-growing plantation material-poplar production composite board for bottom board of container of the national large-scale popularization of a kind of usefulness and the production method of this glued board are provided.
Technical scheme of the present invention is: a kind of composite board for bottom board of container, laminate are symmetric arrangement, and the facing plate is three layers of vertical central layer, and horizontal central layer arranges alternately that with vertical central layer described horizontal central layer is the poplar plate between the facing plate.
Described vertical central layer is a kind of in poplar plate, clone wood, bamboo wood, Eucalyptus plate, larch plank and the birch plate.
The centre of described base plate is provided with three layers of vertical central layer.
The facing plate of described base plate is a kind of in painting layer, clone plank, bamboo mat, the tectorial paper.
The present invention also provides a kind of production method of composite board for bottom board of container, this method comprises makes central layer, central layer gluing, assembly, pre-molding, secondary assembly, hot pressing, sawing, chamfered step with poplar, it is characterized in that said heat pressing process is:
Pressure 2.6-2.7mpa, temperature 130-140 ℃, advance plate below 80 ℃, while increasing temperature and pressure, timing when temperature reaches 130 ℃ fast, 35 minutes heat-insulation pressure keepings, close admission valve when temperature reaches 140 ℃, maintain the temperature at about 140 ℃, the hot pressing timing stopped punching press after 20 minutes, steam discharge after 35 minutes, pressure drop stage;
Water flowing cooling, pressure, temperature descend naturally, close inlet valve after temperature drops to 90 ℃, are depressurized to the natural decrease temperature and pressure of timing behind the 0.8-1.1mpa, and temperature is the ejecting plate of release afterwards about 70-80 ℃, whole cool time＞20 minute.
The product that provides of the present invention has passed through the check of national quality department by national standard method, result such as following table:
As seen, product provided by the invention meets relevant national standard fully, satisfies the requirement that container uses fully.
Describe the present invention in detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is an assembly structure legend 1.
Fig. 2 is an assembly structure legend 2.
Fig. 3 is an assembly structure legend 3.
Fig. 4 is an assembly structure legend 4.
Among the figure: 1. horizontal central layer, 2. vertical central layer
The specific embodiment
The production method of used for bottom plate of container poplar plywood provided by the invention comprises that the poplar log makes qualified central layer through peeling, rotary-cut, drying, shearing, sorting, arrangement, spreading, central layer is through gluing, assembly, pre-molding, secondary assembly＜add clone's wooden boards, bamboo mat panel, impregnated paper panel etc. 〉, coldly advance coldly to go out hot pressing, deposit, operations such as sawing, chamfered, check obtain finished product.
Introduce technological process of the present invention below in detail.
One, slave board
1, the log that timber field trickle is preserved moisture blocks according to the boxboard specification, in the reasonably combined blanking of specification ratio, throws in the fermentation vat emerge in worm water 3-4 hour.
2, the log center of getting ready of reserving is contained on the peeler, mixes up and revolve cutter, keep revolving knife edge profit, the limit rotating side plate that is turned.
3, the veneer after the rotary-cut is put on the drying machine dryly, according to the type of the size Selection drying machine of veneer, puts mesh dryer as 8 chi veneers, and 4 chi veneers are put roller drier longitudinal feeding drying.Baking temperature 120-140 ℃, meet the requirements of drying effect by regulating the speed, moisture content is controlled at below 8%.
4, veneer is sheared: shear according to boxboard specification and specification breadth, the veneer classify and pile up after the shearing is repaired and rim charge is combined into plate the veneer in defectiveness cavity.The hole material of repairing is bonding with porose gummed paper.
In order to make high-quality glued board, require veneer thickness even, do not have hard rib and gnaw silk, the plate face does not have burr, and groove mark is no more than 1/3 of thickness of slab, and the tool marks that penetrate mustn't be arranged, and two ends does not have scollop, scallop.That veneer after the arrangement mustn't have is rotten, go mouldy.
Veneer thickness is 1.6-2.0mm, allows the error+0.05mm of local thickness, mustn't minus deviation.Length, width allowable error+10mm, not allowed minus deviation.
Two, oven dry
Baking temperature 120-140 ℃, veneer moisture content 6-8%.
Should stack a period of time after the veneer drying allows its cooling, makes moisture content even.Require material to deposit that the veneer surface temperature must not be higher than 40 ℃ after 12 hours.
Three, veneer gluing;
1, adhesive: use synvaren, add insect-proof agent and flour in the glue, the even existing existing usefulness of transferring of flour addition 5-10% (percentage by weight) modulation modulates glue and must use up in 8 hours.Flour increases adhesiveness as a kind of active filler, can avoid the glue-line be full of cracks, strengthens toughness.
2, glue-spread: 310-340g/m 2
Veneer behind the gluing is assembly as early as possible, requires as far as possible sticking hand during assembly.
Four, assembly
According to assembly structure chart assembly.Referring to Fig. 1-4, composite board for bottom board of container laminate of the present invention is a symmetric arrangement, and laminate is meant facing plate, vertical central layer and horizontal central layer.The facing plate is three layers of vertical central layer 2, is that the horizontal central layer 1 of one deck arranges alternately that with the vertical central layer 2 of one deck total number of plies is the 19-27 layer between the facing plate.Also three layers of vertical central layer can be set in the centre.Laterally central layer 1 and vertical central layer 2 are the poplar plate.Vertically central layer 2 also can be that bamboo wood, hard wood are as cloning wood, Eucalyptus, Larch and birch etc.The facing plate can be poplar plate, painting layer, clone's wood, bamboo mat or tectorial paper.
Veneer thickness is 1.6-2.0mm, allows the error+0.05mm of local thickness, mustn't minus deviation.Length, width allowable error+10mm, not allowed minus deviation.
Five, precompressed
1, the good blanket of group, per 22 stack propelling preformer＜according to preformer upper and lower plates spacing 〉:
2, unit pressure is 0.9-1.2mpa, time 30-40 minute.
Pull out stacking, ageing after the precompressed, the digestion time winter-spring season should be less than 24 hours:
Six, hot pressing synthesis technique:
Sheet material after the precompressed adds top surface, carries out hot pressing, adopts the cold cold heat pressing process that goes out that advances:
Finger gauge 28.3mm, unit pressure: 2.6-2.7mpa, temperature 130-140 ℃.
Advance plate below 80 ℃, while increasing temperature and pressure, timing when temperature reaches 130 ℃ fast, 35 minutes heat-insulation pressure keepings are closed admission valve when temperature reaches 140 ℃, maintain the temperature at about 140 ℃, the hot pressing timing stopped punching press after 20 minutes, steam discharge after 35 minutes, pressure drop stage.
Water flowing cooling, pressure, temperature descend naturally, close inlet valve after temperature drops to 80-90 ℃, are depressurized to the natural decrease temperature and pressure of timing behind the 0.8-1.1mpa, and temperature is the ejecting plate of release afterwards about 70-80 ℃, and whole cool time＞20 minute prevent bubbling.
Carry out sanding, mitre saw limit, finishing mandrel, chamfered behind the ejecting plate, obtain qualified products.
For preventing the sheet material imbibition, can carry out edge sealing to sheet material, with the polyurethane lacquer edges of boards four bandings are lived.
Embodiment 1:
Assembly structure shown in Figure 1, vertically central layer is the Eucalyptus plate, and laterally central layer and facing plate are the poplar plate, and heat pressing process is as follows:
Pressure 2.6mpa advances plate below 80 ℃, while increasing temperature and pressure, timing when temperature reaches 130 ℃ fast, 35 minutes heat-insulation pressure keepings are closed admission valve when temperature reaches 140 ℃, maintain the temperature at about 140 ℃, the hot pressing timing stopped punching press after 20 minutes, steam discharge after 35 minutes, pressure drop stage;
Water flowing cooling, pressure, temperature descend naturally, close inlet valve after temperature drops to 90 ℃, are depressurized to the natural decrease temperature and pressure of timing behind the 0.8mpa, and temperature is the ejecting plate of release afterwards about 70 ℃, whole cool time＞20 minute.
Products obtained therefrom is through being up to the standards.
Embodiment 2:
Assembly structure shown in Figure 4, vertically central layer and horizontal central layer and facing plate are the poplar plate, and heat pressing process is as follows:
Pressure 2.7mpa advances plate below 80 ℃, while increasing temperature and pressure, timing when temperature reaches 130 ℃ fast, 35 minutes heat-insulation pressure keepings are closed admission valve when temperature reaches 140 ℃, maintain the temperature at about 140 ℃, the hot pressing timing stopped punching press after 20 minutes, steam discharge after 35 minutes, pressure drop stage;
Water flowing cooling, pressure, temperature descend naturally, close inlet valve after temperature drops to 90 ℃, are depressurized to the natural decrease temperature and pressure of timing behind the 1.1mpa, and temperature is the ejecting plate of release afterwards about 70 ℃, whole cool time＞20 minute.
Products obtained therefrom is through being up to the standards.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100870438A CN101264614A (en) | 2007-03-15 | 2007-03-15 | Wood veneer for container bottom board and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100870438A CN101264614A (en) | 2007-03-15 | 2007-03-15 | Wood veneer for container bottom board and producing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101264614A true CN101264614A (en) | 2008-09-17 |
Family
ID=39987412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100870438A CN101264614A (en) | 2007-03-15 | 2007-03-15 | Wood veneer for container bottom board and producing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101264614A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973052A (en) * | 2010-09-15 | 2011-02-16 | 王炳忠 | Production method of parallel laminated plate combining poplar and paulownia |
| CN102303338A (en) * | 2011-09-05 | 2012-01-04 | 宿迁市曙光木业有限公司 | Process for manufacturing aspen container floor |
| CN102424741A (en) * | 2011-09-15 | 2012-04-25 | 范会芳 | Compound glue film for full-bamboo container floor gluing and full-bamboo container floor |
| CN102490233A (en) * | 2011-12-02 | 2012-06-13 | 朱江福 | Manufacture method for bamboo wood composite boards |
| CN102642220A (en) * | 2012-04-26 | 2012-08-22 | 武汉双龙木业发展有限责任公司 | Paint-free ecological core-board of poplar substrate and production process thereof |
| CN102642222A (en) * | 2012-05-03 | 2012-08-22 | 北京林业大学 | Method for preparing aldehyde-free veneer boards by biological oil starch adhesives |
| CN102717415A (en) * | 2012-07-12 | 2012-10-10 | 福建篁城科技竹业有限公司 | Sectional type bamboo plate hot pressing technology |
| CN102744760A (en) * | 2012-07-12 | 2012-10-24 | 福建篁城科技竹业有限公司 | Bamboo plate manufacturing process |
| CN102745356A (en) * | 2012-07-12 | 2012-10-24 | 福建篁城科技竹业有限公司 | Bamboo container bottom board and hot-pressing technology thereof |
| CN102837339A (en) * | 2012-09-28 | 2012-12-26 | 康欣新材料科技股份有限公司 | Plywood for base plate of full-poplar container |
| CN104385386A (en) * | 2014-09-19 | 2015-03-04 | 广西天利恒木业有限公司 | Full fast-growing tree timber composite plywood for container soleplate |
| CN106335110A (en) * | 2016-10-27 | 2017-01-18 | 福建隆达竹业有限公司 | Preparation method for bamboo plywood |
| CN108081405A (en) * | 2017-11-24 | 2018-05-29 | 南宁科天水性科技有限责任公司 | A kind of hot pressing humidity discharging method of glued board and core-board |
| CN110576481A (en) * | 2019-10-09 | 2019-12-17 | 南平市华泰木竹有限公司 | Novel bamboo-wood restructuring structure processing technology |
-
2007
- 2007-03-15 CN CNA2007100870438A patent/CN101264614A/en not_active Application Discontinuation
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973052A (en) * | 2010-09-15 | 2011-02-16 | 王炳忠 | Production method of parallel laminated plate combining poplar and paulownia |
| CN102303338A (en) * | 2011-09-05 | 2012-01-04 | 宿迁市曙光木业有限公司 | Process for manufacturing aspen container floor |
| CN102424741B (en) * | 2011-09-15 | 2013-08-14 | 范会芳 | Compound glue film for full-bamboo container floor gluing and full-bamboo container floor |
| CN102424741A (en) * | 2011-09-15 | 2012-04-25 | 范会芳 | Compound glue film for full-bamboo container floor gluing and full-bamboo container floor |
| CN102490233A (en) * | 2011-12-02 | 2012-06-13 | 朱江福 | Manufacture method for bamboo wood composite boards |
| CN102642220A (en) * | 2012-04-26 | 2012-08-22 | 武汉双龙木业发展有限责任公司 | Paint-free ecological core-board of poplar substrate and production process thereof |
| CN102642222A (en) * | 2012-05-03 | 2012-08-22 | 北京林业大学 | Method for preparing aldehyde-free veneer boards by biological oil starch adhesives |
| CN102642222B (en) * | 2012-05-03 | 2015-06-17 | 北京林业大学 | Method for preparing aldehyde-free veneer boards by biological oil starch adhesives |
| CN102745356B (en) * | 2012-07-12 | 2015-05-20 | 洪敏雄 | Bamboo container bottom board and hot-pressing technology thereof |
| CN102717415A (en) * | 2012-07-12 | 2012-10-10 | 福建篁城科技竹业有限公司 | Sectional type bamboo plate hot pressing technology |
| CN102744760A (en) * | 2012-07-12 | 2012-10-24 | 福建篁城科技竹业有限公司 | Bamboo plate manufacturing process |
| CN102745356A (en) * | 2012-07-12 | 2012-10-24 | 福建篁城科技竹业有限公司 | Bamboo container bottom board and hot-pressing technology thereof |
| CN102837339A (en) * | 2012-09-28 | 2012-12-26 | 康欣新材料科技股份有限公司 | Plywood for base plate of full-poplar container |
| CN104385386A (en) * | 2014-09-19 | 2015-03-04 | 广西天利恒木业有限公司 | Full fast-growing tree timber composite plywood for container soleplate |
| CN106335110A (en) * | 2016-10-27 | 2017-01-18 | 福建隆达竹业有限公司 | Preparation method for bamboo plywood |
| CN108081405A (en) * | 2017-11-24 | 2018-05-29 | 南宁科天水性科技有限责任公司 | A kind of hot pressing humidity discharging method of glued board and core-board |
| CN110576481A (en) * | 2019-10-09 | 2019-12-17 | 南平市华泰木竹有限公司 | Novel bamboo-wood restructuring structure processing technology |
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Open date: 20080917 |