CN100402251C - Container bottom plate and its making process - Google Patents
Container bottom plate and its making process Download PDFInfo
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- CN100402251C CN100402251C CNB2006100114046A CN200610011404A CN100402251C CN 100402251 C CN100402251 C CN 100402251C CN B2006100114046 A CNB2006100114046 A CN B2006100114046A CN 200610011404 A CN200610011404 A CN 200610011404A CN 100402251 C CN100402251 C CN 100402251C
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- container bottom
- veneer
- board
- red gum
- dash board
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Abstract
The present invention relates to a container bottom plate and a making process thereof. The container bottom plate of the present invention comprises a plurality of core plates and surface plates positioned at both sides of the core plates, wherein the core plates are made of Australian hard red gum single plates. The process for making the container bottom plate of the present invention comprises: in baking procedures of general container bottom plate making technology, the water content of the Australian hard red gum single plates is controlled within a range of 6.0%(+/-) 1.0%. Without changing the existing container production technology of factories, the container bottom plate in conformity with the GB/T19536-2004 requirements of national standard can be made by the process of the present invention. Meanwhile, because the current price on market of the Australian hard red gum is about 100 dollars/m <3>, the current price on market of eucalyptus grandis is about 80 dollars/m<3>, while the current price on market of clone wood is about 800 dollars/m<3>, and the number is limited by southeast Asian countries. Therefore, the container bottom plate of the present invention can reduce production cost and increase the market competitiveness of enterprises.
Description
Technical field
The present invention relates to a kind of composite plate and manufacture method thereof, particularly a kind of container bottom board and manufacture method thereof.
Background technology
At present, the output of China's container has accounted for more than 70% of the world, but the import of the outer state of the container bottom board overwhelming majority, domestic manufacturing container bottom board (especially dash board) raw material are mainly derived from country in Southeast Asia, and raw material require to have good intensity, pliability and glue performance.Container bottom board is in the market mainly made by the veneer pressing of seeds such as clone's material, Nan Yang weedtree, Manchurian ash, birch.Enterprise that domestic manufacturing container is the most strong such as CIMC etc. adopt the veneer of these seeds, and its manufacturing process is also all set up on this basis.The method of traditional mode of production container bottom board is: (one) adopts veneers such as clone's wood or birch to make dash board, Nan Yang weedtree and some softwoods such as veneers such as pinus caribaea, northeast larch are made central layer, and with rotating-cutting equipment Veneer Cutting being become thickness is 1.6mm ± 0.2mm; (2) veneer is put into drying plant dry to moisture content be≤10%; (3) veneer spreads the water-soluble phenolic resin adhesive of solids content 50% ± 1%, viscosity 150-190mPas, send into hot press hot pressing through assembly, precompressed, after displaying, the control hot pressing temperature is between 125 ℃-140 ℃, unit pressure adopts between the 1.4MPa-2.5MPa, hot pressing time is controlled between the 1.2min/mm-1.4min/mm, and compression ratio is between 20%-35%; (4) hot pressing finishes through certain post-processing, just sends into storehouse and preserves.Along with country in Southeast Asia's restriction log exports in a large number, and domestic implementation wildwood protected project, high-quality container bottom board raw material is fewer and feweri, and cost is more and more higher, has seriously hindered the development of inland container enterprise.
The hard red gum wood that the two kinds of wood property in Australia are very approximate: Eucalyptus tetradonta and Eucalyptus minita) (Zhu's medicine eucalyptus), density is 1.2g/cm
3About, its cost is lower, but growth stress is big, and inclusion is many, is difficult to gummed between veneer.Thereby develop new seeds, and improve production technology, reduce production costs, it is extremely urgent successfully to produce container bottom board of fine quality.
Summary of the invention
(1) technical problem that will solve
The objective of the invention is at solving above-mentioned the deficiencies in the prior art, provide a kind of the container bottom board and the manufacture method thereof of Australia hard red gum wood as central layer.
(2) technical scheme
For achieving the above object, the present invention adopts following technical scheme:
Container bottom board of the present invention comprises some central layers and the dash board that is positioned at some central layers both sides, and wherein said central layer is made by Australia hard red gum veneer;
Described dash board comprises 1 outer dash board (2) and 1～2 interior dash board (3);
The thickness of described central layer (1), outer dash board (2), interior dash board (3) is respectively: 1.6mm, 1.6mm, 1.6mm, or 1.4mm, 1.8mm, 1.8mm, or 1.8mm, 1.6mm, 1.5mm, or 1.8mm, 1.6mm, 1.6mm, or 1.8mm, 1.5mm, 1.5mm.
Wherein dash board is made by Australia hard red gum veneer.
Wherein said outer dash board is by the wooden one-tenth of clone; Dash board is 2 in described, and wherein a slice that contacts with central layer is made by pinus caribaea, tail alpine ash wood, pine or white Eucalyptus.
The present invention makes the method for container bottom board, and wherein in the baking step of the manufacturing container bottom board technology of routine: the moisture content of control Australia hard red gum veneer is in 6.0% ± 1.0% scope; The resin added of Australia hard red gum veneer is dried glue 80-90g/m
2
(3) beneficial effect
The advantage and the good effect of container bottom board of the present invention are: the present invention forms by Australia hard red gum veneer system or by Australia hard red gum veneer and the compound manufacturing of other seeds veneers, because the cost of Australia hard red gum wood is lower, thereby the cost of container bottom board of the present invention reduces significantly, and its cost only is the 30-60% of existing container bottom board.
The advantage and the good effect of the manufacture method of container bottom board of the present invention are: method of the present invention, owing to do not change the production technology of the existing container bottom board of factory, the moisture content of only controlling Australia hard red gum wood is in suitable scope, just can replace the veneer of existing famous and precious seeds to produce and meet the container bottom board that standard GB/T 19536-2004 requires with Australia hard red gum veneer, reduce production costs greatly, improve the market competitiveness of enterprise.
Description of drawings
Fig. 1 is the decomposition texture schematic diagram of container bottom board of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, further describe the specific embodiment of container bottom board of the present invention and manufacture method thereof, but be not used for limiting protection scope of the present invention.
Embodiment 1
Container bottom board of the present invention comprises 15 central layers 1 and is positioned at two dash boards of 15 central layer 1 both sides.Wherein every dash board is made up of 1 outer dash board 2 and 2 interior dash boards 3.The grain direction of adjacent two central layers is vertical in 15 central layers, and promptly the central layer assemble pattern is a texture square crossing assembly, and the texture of outermost central layer is vertical mutually with the texture of interior dash board 3; The grain direction of inside and outside dash board is all identical.Central layer 1, outer dash board 2, interior dash board 3 are by the wooden one-tenth of Australia hard red gum.
The manufacture method of container bottom board of the present invention comprises the steps:
(1) with existing rotating-cutting equipment Australia hard red gum wood rounding being become thickness is Australia hard red gum veneer of 1.6mm;
(2) Australia hard red gum veneer being put into existing drying plant dries to moisture content 6.0%;
(3) with Australia hard red gum veneer double spread, spread solids content 50%, viscosity 170mPas water-soluble phenolic resin adhesive, resin added is 90g/m
2(dried glue), this glue are bought the back and are directly used, and do not add wood powder or flour in glue;
(4) assembly: will be as 3 Australia hard red gum veneer rift grain assemblies of outer dash board and interior dash board, 15 vertical assemblies of central layer texture, adjacent central layer is vertical with the texture of interior dash board, is positioned at the grain direction unanimity of the inside and outside dash board of 15 central layer both sides, makes blank;
(5) blank carried out precompressed, send into hot press hot pressing after displaying, 130 ℃ of control hot pressing temperatures, unit pressure adopts 2.0MPa, and hot pressing time is controlled at 1.3min/mm, compression ratio 30%; Promptly obtain container bottom board of the present invention.
Container bottom board of the present invention comprises 15 central layers 1 and is positioned at 2 dash boards of 15 central layer 1 both sides.Wherein every dash board is made up of 1 outer dash board 2 and 2 interior dash boards 3.The central layer assemble pattern is a texture square crossing assembly, and outermost central layer is vertical mutually with the texture of interior dash board 3; The grain direction of outer dash board 2 and 2 interior dash boards 3 is all identical.Central layer 1 is by the wooden one-tenth of Australia hard red gum; Outer dash board 2, interior dash board 3 are by the wooden one-tenth of clone.
The manufacture method of container bottom board of the present invention comprises the steps:
(1) with existing rotating-cutting equipment Australia hard red gum wood rounding being become thickness is Australia hard red gum veneer of 1.4mm, and it is clone's veneer of 1.8mm that the wooden rounding of clone is become thickness;
(2) Australia hard red gum veneer is put into existing drying plant and dry, will clone veneer and put into existing drying plant and dry to moisture content 7.0% to moisture content 5.0%;
(3) with Australia hard red gum veneer and clone's veneer difference double spread, spread solids content 51%, viscosity 150mPas water-soluble phenolic resin adhesive, wherein the resin added of Australia hard red gum veneer is 80g/m
2(dried glue) does not add wood powder or flour in the glue, the resin added of clone's veneer is 90g/m
2(dried glue), the same with prior art, in glue, add wood powder or flour.
(4) assembly: get 3 clone's veneer rift grain assemblies as inside and outside dash board, get 15 vertical assemblies of Australia hard red gum veneer texture as central layer, adjacent clone's veneer is vertical with Australia hard red gum veneer texture, be positioned at clone's veneer grain direction unanimity of hard red gum veneer both sides, 15 Australia, make blank;
(5) blank carried out precompressed, send into hot press hot pressing after displaying, the control hot pressing temperature is at 125 ℃, and unit pressure adopts 2.5MPa, and hot pressing time is controlled at 1.2min/mm, compression ratio 20%; Promptly obtain container bottom board of the present invention.
Container bottom board of the present invention comprises 15 central layers 1 and is positioned at 2 dash boards of 15 central layer 1 both sides.Wherein every dash board is made up of 1 outer dash board 2 and 2 interior dash boards 3.The central layer assemble pattern is a texture square crossing assembly, the texture of the central layer adjacent with interior dash board 3 with should in the texture of dash board 3 vertical mutually, wherein adjacent with central layer interior dash board is made by the pinus caribaea, outer dash board 2 and the interior dash board adjacent with outer dash board 2 become by the clone is wooden, and central layer is by the wooden one-tenth of Australia hard red gum.
The manufacture method of container bottom board of the present invention comprises the steps:
(1) with existing rotating-cutting equipment Australia hard red gum wood rounding being become thickness is Australia hard red gum veneer of 1.8mm, it is pinus caribaea's veneer of 1.5mm that pinus caribaea's rounding is become thickness, and clone's wood is peeled into clone's veneer that thickness is 1.6mm;
(2) Australia hard red gum veneer is put into existing drying plant and dry to moisture content 7.0%, clone's veneer and pinus caribaea's veneer moisture content are dried to moisture content 9.0%;
(3) with Australia hard red gum veneer, clone's veneer and pinus caribaea's veneer difference double spread, spread solids content 49%, viscosity 190mPas water-soluble phenolic resin adhesive, the resin added of Australia hard red gum veneer is 85g/m
2(dried glue) does not add wood powder or flour in the glue, the resin added of clone's veneer and pinus caribaea's veneer is 80g/m
2(dried glue) with the same in the prior art, add wood powder or flour in glue;
(4) assembly: 15 central layer assemble patterns are texture square crossing assembly; Dash board short grain assembly, the texture of the pinus caribaea veneer adjacent with central layer is vertical with the texture of this central layer;
(5) blank carried out precompressed, send into hot press hot pressing after displaying, the control hot pressing temperature is at 140 ℃, and unit pressure adopts 1.4MPa, and hot pressing time is controlled at 1.2min/mm, compression ratio 35%; Promptly obtain container bottom board of the present invention.
In the present embodiment, pinus caribaea's veneer can also be replaced by tail alpine ash veneer, pine veneer or white Eucalyptus veneer.Promptly have under the situation of 3 dash boards at every dash board, the interior dash board that contacts with central layer can be made by pinus caribaea, tail alpine ash wood, pine or white Eucalyptus.
Embodiment 4
Container bottom board of the present invention comprises 17 central layers 1 and is positioned at two dash boards of 17 central layer 1 both sides.Wherein every dash board is made up of 1 outer dash board 2 and 1 interior dash board 3.The grain direction of adjacent two central layers is vertical in some central layers 1, i.e. the vertical assembly of texture is formed the interior dash board and the outer dash board short grain assembly of dash board.The texture of interior dash board 3 is vertical with the texture of adjacent central layer.Central layer is by the wooden one-tenth of Australia hard red gum, and outer dash board 2, interior dash board 3 are by the wooden one-tenth of clone.
The manufacture method of container bottom board of the present invention comprises the steps:
(1) with existing rotating-cutting equipment Australia hard red gum wood rounding being become thickness is Australia red gum veneer of 1.8mm, and it is clone's veneer of 1.5mm that the wooden rounding of clone is become thickness;
(2) Australia red gum veneer is put into existing drying plant and dry, will clone veneer and put into existing drying plant and dry to moisture content 9.0% to moisture content 7.0%;
(3) with Australia hard red gum veneer and clone's veneer difference double spread, spread solids content 49%, viscosity 190mPas water-soluble phenolic resin adhesive, wherein the resin added of Australia hard red gum veneer is 88g/m
2(dried glue) does not add wood powder or flour in the glue; Clone's veneer resin added is 85g/m
2(dried glue) adds wood powder or flour in the glue.
(4) assembly: get 2 clone's veneer short grain assemblies as inside and outside dash board, get 17 vertical assemblies of Australia hard red gum veneer texture as central layer, adjacent clone's veneer is vertical with Australia hard red gum veneer texture, what be positioned at red gum veneer both sides, 17 Australia adds clone's veneer grain direction unanimity, makes blank;
(5) blank carried out precompressed, send into hot press hot pressing after displaying, the control hot pressing temperature is at 140 ℃, and unit pressure adopts 1.4MPa, and hot pressing time is controlled at 1.2min/mm, compression ratio 35%; Promptly obtain container bottom board of the present invention.
Australia hard red gum wood log among the present invention, clone wooden log, pinus caribaea's log, tail alpine ash wood log, pine veneer or white Eucalyptus log and all can buy on the market.
Manufacture method of the present invention, utilize existing equipment, except that the water content of Australia hard red gum wood control technology and resin added, assemble pattern, substantially do not change the production technology of the existing container bottom board of factory, just can produce and meet the container bottom board that standard GB/T 19536-2004 requires, simultaneously since this kind Australia hard red gum wood at home market price be 100 dollars/m
3About, the tail alpine ash is also at 80 dollars/m
3About, and clone wooden market price at 800 dollars/m
3About, and quantity is subjected to the restriction of country in Southeast Asia, and therefore, the container bottom board that method of the present invention is produced can reduce production costs, and improves the market competitiveness of enterprise.
More than be preferred forms of the present invention, according to content disclosed by the invention, some identical, replacement schemes that those of ordinary skill in the art can expect apparently all should fall into the scope of protection of the invention.
Claims (5)
1. container bottom board comprises some central layers (1) and is positioned at the dash board of some central layers (1) both sides, it is characterized in that described central layer (1) made by Australia hard red gum veneer;
Described dash board comprises 1 outer dash board (2) and 1～2 interior dash board (3);
The thickness of described central layer (1), outer dash board (2), interior dash board (3) is respectively: 1.6mm, 1.6mm, 1.6mm, or 1.4mm, 1.8mm, 1.8mm, or 1.8mm, 1.6mm, 1.5mm, or 1.8mm, 1.6mm, 1.6mm, or 1.8mm, 1.5mm, 1.5mm.
2. container bottom board as claimed in claim 1 is characterized in that dash board made by Australia hard red gum veneer.
3. container bottom board as claimed in claim 1 is characterized in that described outer dash board (2) is by the wooden one-tenth of clone.
4. container bottom board as claimed in claim 1 is characterized in that described interior dash board (3) is 2, and wherein a slice that contacts with central layer is made by pinus caribaea, tail alpine ash wood, pine or white Eucalyptus.
5. method of making container bottom board as claimed in claim 1, it is characterized in that in the baking step of the manufacturing container bottom board technology of routine: the moisture content of control Australia hard red gum veneer is in 6.0% ± 1.0% scope; The resin added of Australia hard red gum veneer is dried glue 80-90g/m
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100114046A CN100402251C (en) | 2006-03-01 | 2006-03-01 | Container bottom plate and its making process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100114046A CN100402251C (en) | 2006-03-01 | 2006-03-01 | Container bottom plate and its making process |
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| Publication Number | Publication Date |
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| CN1810468A CN1810468A (en) | 2006-08-02 |
| CN100402251C true CN100402251C (en) | 2008-07-16 |
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| CNB2006100114046A Expired - Fee Related CN100402251C (en) | 2006-03-01 | 2006-03-01 | Container bottom plate and its making process |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601826A (en) * | 2012-04-06 | 2012-07-25 | 汪宏伟 | Decorative plate and production method thereof |
| CN103240776B (en) * | 2013-05-30 | 2016-05-04 | 佛山市正森木业有限公司 | Toe joint integrated timber composite container baseboard and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2172191Y (en) * | 1993-07-23 | 1994-07-20 | 南京林业大学 | Bamboo and wood compounded floor |
| CN1439499A (en) * | 2003-03-03 | 2003-09-03 | 广西三奇工贸有限责任公司 | Composition, preparation thereof and its application in post-treatment of wood |
| CN1460592A (en) * | 2002-07-02 | 2003-12-10 | 中国国际海运集装箱(集团)股份有限公司 | Veneer board for container floor board and its production method |
-
2006
- 2006-03-01 CN CNB2006100114046A patent/CN100402251C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2172191Y (en) * | 1993-07-23 | 1994-07-20 | 南京林业大学 | Bamboo and wood compounded floor |
| CN1460592A (en) * | 2002-07-02 | 2003-12-10 | 中国国际海运集装箱(集团)股份有限公司 | Veneer board for container floor board and its production method |
| CN1439499A (en) * | 2003-03-03 | 2003-09-03 | 广西三奇工贸有限责任公司 | Composition, preparation thereof and its application in post-treatment of wood |
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| CN1810468A (en) | 2006-08-02 |
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Granted publication date: 20080716 Termination date: 20110301 |