CN205033328U - Asymmetric container bottom plate - Google Patents
Asymmetric container bottom plate Download PDFInfo
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- CN205033328U CN205033328U CN201520796509.1U CN201520796509U CN205033328U CN 205033328 U CN205033328 U CN 205033328U CN 201520796509 U CN201520796509 U CN 201520796509U CN 205033328 U CN205033328 U CN 205033328U
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- container bottom
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Abstract
The utility model discloses an asymmetric container bottom plate who adopts poplar, elm and umbrella zingiber zerumbet cake wood to make, its technical characteristics includes following technology step: 1 )Use the 7 -9 layer thickness to handle back density and make the top layer board for 0.7 -0.8gcm3's poplar veneer hot pressing as 1.7 -2.0mm, low molecular weight phenol -formaldehyde resin densification, 2 )Use the 7 -9 layer thickness to make the sandwich layer board as 1.7 -2.2mm's elm veneer parallel grain assembly hot pressing, 3 )Use the 7 -9 layer thickness to move about freely and quickly the hot pressing of texture assembly as 1.7 -2.2mm's umbrella zingiber zerumbet cake veneer and make the bottom board, 4 )Impose for the structure order assembly behind the phenol -formaldehyde resin adhesive with above -mentioned three -layer panel, asymmetric container bottom plate is made in hot pressing. The advantage: the umbrella zingiber zerumbet cake wood that adopts the import and homemade elm, fastly give birth to asymmetric structure container bottom plate that the poplar prepared for raw and other materials when reaching basic mechanical strength, raw material sources are more extensive, and the cost is lower, is the basic composite sheet of novel wood of the traditional hardwood container bottom plate of a fungible.
Description
Technical field
What the present invention relates to is a kind of asymmetric container bottom board adopting the wooden a kind of graded density structure made of poplar, elm and import umbrella Zingiber zerumbet cake, belongs to the wood-based plate manufacturing technology field in wood working industry.
Background technology
Flourish along with modern transportation industry, China has become container bottom board and has produced the first big country.For a long time, the main raw material(s) of container bottom board is the hard broadleaf of the tropical rain forest growths such as clone wood, A Bidong, the growth cycle of these type of seeds is very long, generally needs ISUZU company even longer, cannot meet the fast-developing demand to base plate raw material of container industry.Meanwhile, falling sharply year by year of tropical rain forest hardwood resource also seriously constrains the development of China's container bottom board industry.Therefore, the container bottom board of development of new, widens base plate raw material sources, has great reality and economic implications.Elm is distributed widely in the Huanghe valley, hardness and moderate strength, and moisture-proof corrosion resistant, be suitable for the raw material of container bottom board; Umbrella Zingiber zerumbet cake wood is distributed widely in torrid areas, the world, and structure is thin, intensity is high, and gluing performance is good, mainly for the preparation of plywood for structural use.The present invention is directed to the demand of China's container bottom board, in conjunction with elm and umbrella Zingiber zerumbet cake wood raw material sources characteristic widely, a kind of novel profile density of research and design is the asymmetric container bottom board of grading structure.
Summary of the invention
1. an asymmetric container bottom board, it is characterized in that: this asymmetric container bottom board is made up of sheet surface layer, middle layer plate, bottom plate from top to bottom successively, structure phenolic resin glue has all been executed between every layer, wherein said sheet surface layer is 1.7-2.0mm by 7-9 layer thickness, and after the process of pf resin of low molecular weight densification, density is 0.7-0.8g/cm
3board using poplar board hot pressing make; Described middle layer plate is that the elm single board parallel texture assembly hot pressing being 1.7-2.2mm by 7-9 layer thickness is made; Described bottom plate be by 7-9 layer thickness be 1.7-2.2mm umbrella Zingiber zerumbet cake veneer in length and breadth the hot pressing of texture assembly make; The hot pressing of above-mentioned three ply board assembly is made the asymmetrical Novel container bottom plate meeting the requirement of container bottom board physical and mechanical property of section.
2. the pf resin of low molecular weight densification employing mean molecule quantity in sheet surface layer described in is the pf resin of low molecular weight vacuum-latexed of 500-800, and the over dry rate of body weight gain after impregnating glue of veneer is 30-60%, and the veneer pressurization densification after impregnation is to 0.7-0.8g/cm
3, then be coated with structure phenolic resin glue and be pressed into sheet surface layer.
3. middle layer plate described in is the glued board that the hot-press gluing of elm veneer becomes, and wherein the moisture content of elm veneer is 6-8%, and its adhesive used is structure phenolic resin glue, resin added 250-300g/m
2.
4. bottom plate described in is the glued board that the hot-press gluing of umbrella Zingiber zerumbet cake veneer becomes, and wherein the moisture content of umbrella Zingiber zerumbet cake veneer is 8-10%, and its adhesive used is structure phenolic resin glue, resin added 320-350g/m
2.
5. the phenolic resin glue solids content 46-55% of structure described in; Slab hot pressing temperature 130-150 DEG C, time 1.2min/mm, pressure 2.0-3.0MPa.
The sheet surface layer that board using poplar board after the process of 6.7-9 layer pf resin of low molecular weight densification is made, the middle layer plate that 7-9 layer elm veneer is made, the bottom plate that 7-9 layer umbrella Zingiber zerumbet cake veneer is made, forms asymmetric container bottom board through above three layers of compound suppressing.
Technical solution of the present invention comprises following processing step:
1. adopt 7-9 layer thickness to be 1.7-2.0mm, after the process of pf resin of low molecular weight densification, density is 0.7-0.8g/cm
3board using poplar board hot pressing make sheet surface layer 1;
2. adopt 7-9 layer thickness to be that middle layer plate 2 is made in the elm single board parallel texture assembly hot pressing of 1.7-2.2mm;
3. adopt 7-9 layer thickness be 1.7-2.2mm umbrella Zingiber zerumbet cake veneer in length and breadth the hot pressing of texture assembly make bottom plate 3;
4. above-mentioned sheet surface layer 1, middle layer plate 2, these three kinds of materials of bottom plate 3 are imposed structure phenolic resin glue, assembly is pressed into asymmetric container bottom board successively.
Accompanying drawing explanation
Fig. 1 is sheet surface layer is the four unsymmetric structure container bottom board structural representations indulging three horizontal strokes
The unsymmetric structure container bottom board structural representation of Fig. 2 to be sheet surface layer be three horizontal ones and four vertical ones
Fig. 3 is sheet surface layer is the four unsymmetric structure container bottom board structural representations indulging four horizontal strokes
Detailed description of the invention
Embodiment 1:
Step 1) sheet surface layer 1: be 1.7mm board using poplar board by 7 thickness, be 23-25% with solid content, mean molecule quantity is the phenolic resins impregnating by pressure of 500-800, pressure 3.0-4.0MPa, time is 60min, and the veneer after dipping drains, and is dried to moisture content 5-8%, impose structure phenolic resin glue, resin added 220g/m
2, by as shown in Figure 1, adopt the assemble pattern hot pressing of four vertical three horizontal strokes to make sheet surface layer 1, hot pressing pressure 1.0MPa, hot pressing temperature 140 DEG C, hot pressing time 1.1min/mm;
Step 2) middle layer plate 2: be that 1.7mm elm veneer imposes structure phenolic resin glue, resin added 250g/m by 7 thickness
2, middle layer plate 2 is made in the hot pressing of parallel grain assembly, hot pressing pressure 1.5MPa, hot pressing temperature 150 DEG C, hot pressing time 1.5min/mm;
Step 3) bottom plate 3: be that 1.7mm umbrella Zingiber zerumbet cake veneer imposes structure phenolic resin glue, resin added 320g/m by 7 thickness
2, bottom plate 3 is made in the hot pressing of texture assembly in length and breadth, hot pressing pressure 1.5MPa, hot pressing temperature 150 DEG C, hot pressing time 1.5min/mm;
Step 4) combination process: sheet surface layer 1, middle layer plate 2, bottom plate 3 surface are coated with structure phenolic resin glue, hot pressing after assembly, pressure 2.0MPa, temperature 135-145 DEG C again, make unsymmetric structure container bottom board.
Embodiment 2
Step 1) sheet surface layer 1: be 1.7mm board using poplar board by 7 thickness, be 23-25% with solid content, mean molecule quantity is the phenolic resins impregnating by pressure of 500-800, pressure 3.0-4.0MPa, time is 60min, and the veneer after dipping drains, and is dried to moisture content 5-8%, impose structure phenolic resin glue, resin added 220g/m
2, shown in Fig. 2, adopt the assemble pattern hot pressing of three horizontal ones and four vertical ones to make sheet surface layer 1, hot pressing pressure 2.0MPa, hot pressing temperature 140 DEG C, hot pressing time 1.1min/mm;
Step 2) middle layer plate 2: with embodiment 1 step 2);
Step 3) bottom plate 3: with embodiment 1 step 3);
Step 4) combination process: with embodiment 1 step 4).
Embodiment 3:
Step 1) sheet surface layer 1: be 1.7mm board using poplar board by 8 thickness, be 23-25% with solid content, mean molecule quantity is the phenolic resins impregnating by pressure of 500-800, pressure 3.0-4.0MPa, time is 60min, and the veneer after dipping drains, and is dried to moisture content 5-8%, impose structure phenolic resin glue, resin added 220g/m
2, shown in Fig. 3, adopt the assemble pattern hot pressing of four vertical four horizontal strokes to make sheet surface layer 1, hot pressing pressure 2.0MPa, hot pressing temperature 140 DEG C, hot pressing time 1.1min/mm;
Step 2) middle layer plate 2: with embodiment 1 step 2);
Step 3) bottom plate 3: with embodiment 1 step 3);
Step 4) combination process: with embodiment 1 step 4).
Embodiment 4:
In effects on surface hardness and the lower occasion of requirement of strength, adopt common sheet surface layer preparation method:
Step 1) sheet surface layer 1: be that 1.7mm board using poplar board imposes structure phenolic resin glue by 7 thickness, resin added 220g/m
2, shown in Fig. 1, adopt the assemble pattern hot pressing of four vertical three horizontal strokes to make sheet surface layer 1, hot pressing pressure 2.0MPa, hot pressing temperature 140 DEG C, hot pressing time 1.1min/mm;
Step 2) middle layer plate 2: the step 2 with in embodiment 1);
Step 3) bottom plate 3: the step 3 with in embodiment 1);
Step 4) combination process: the step 3 with in embodiment 1).
Embodiment 5: be once hot pressed into plate
Step 1) sheet surface layer 1: be 1.7mm board using poplar board by 7 thickness, be 23-25% with solid content, mean molecule quantity is the phenolic resins impregnating by pressure of 500-800, pressure 3.0-4.0MPa, time is 60min, and the veneer after dipping drains, and is dried to moisture content 5-8%, board using poplar board after the process of pf resin of low molecular weight densification is imposed structure phenolic resin glue, resin added 220g/m
2, shown in Fig. 1, adopting the assemble pattern of four vertical three horizontal strokes, displaying stand-by, without the need to being hot pressed into plate;
Step 2) middle layer plate 2: by 7 thickness be display after 1.7mm elm veneer imposes structure phenolic resin glue stand-by, resin added 250g/m
2, parallel grain assembly, without the need to being hot pressed into whole plate;
Step 3) bottom plate 3: by 7 thickness be display after 1.7mm umbrella Zingiber zerumbet cake veneer imposes structure phenolic resin glue stand-by, resin added 320g/m
2, texture assembly in length and breadth, without the need to being hot pressed into whole plate;
Step 4) combination process: by sheet surface layer 1, middle layer plate 2, the hot pressing of bottom plate 3 order assembly, hot pressing pressure 2.0-3.0MPa, temperature 135-145 DEG C, make unsymmetric structure container bottom board.
Claims (6)
1. an asymmetric container bottom board, it is characterized in that: this asymmetric container bottom board is made up of sheet surface layer, middle layer plate, bottom plate from top to bottom successively, structure phenolic resin glue has all been executed between every layer, wherein said sheet surface layer is 1.7-2.0mm by 7-9 layer thickness, and after the process of pf resin of low molecular weight densification, density is 0.7-0.8g/cm
3board using poplar board hot pressing make; Described middle layer plate is that the elm single board parallel texture group bad hot pressing being 1.7-2.2mm by 7-9 layer thickness is made; Described bottom plate be by 7-9 layer thickness be 1.7-2.2mm umbrella Zingiber zerumbet cake veneer in length and breadth the hot pressing of texture assembly make; The bad hot pressing of above-mentioned three ply board group is made the asymmetrical Novel container bottom plate meeting the requirement of container bottom board physical and mechanical property of section.
2. the asymmetric container bottom board of one according to claim 1, it is characterized in that: the pf resin of low molecular weight densification employing mean molecule quantity in described sheet surface layer is the pf resin of low molecular weight vacuum-latexed of 500-800, over dry rate of body weight gain after impregnating glue of veneer is 30-60%, and the veneer pressurization densification after impregnation is to density 0.7-0.8g/cm
3, then be coated with structure phenolic resin glue and be pressed into sheet surface layer.
3. the asymmetric container bottom board of one according to claim 1, it is characterized in that: described middle layer plate is the glued board that the hot-press gluing of elm veneer becomes, wherein the moisture content of elm veneer is 6-8%, and its adhesive used is structure phenolic resin glue, resin added 250-300g/m
2.
4. the asymmetric container bottom board of one according to claim 1, it is characterized in that: described bottom plate is the glued board that the hot-press gluing of umbrella Zingiber zerumbet cake veneer becomes, wherein the moisture content of umbrella Zingiber zerumbet cake veneer is 8-10%, its adhesive used is structure phenolic resin glue, resin added 320-350g/m
2.
5. the asymmetric container bottom board of one according to claim 1, is characterized in that: described structure phenolic resin glue solids content 46-55%; Slab hot pressing temperature 130-150 DEG C, time 1.2min/mm, pressure 2.0-3.0MPa.
6. according to the asymmetric container bottom board of the one one of claim 1-5 Suo Shu, it is characterized in that: the sheet surface layer that the board using poplar board after the process of 7-9 layer pf resin of low molecular weight densification is made, the middle layer plate that 7-9 layer elm veneer is made, the bottom plate that 7-9 layer umbrella Zingiber zerumbet cake veneer is made, forms asymmetric container bottom board through above three layers of compound suppressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796509.1U CN205033328U (en) | 2015-10-14 | 2015-10-14 | Asymmetric container bottom plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796509.1U CN205033328U (en) | 2015-10-14 | 2015-10-14 | Asymmetric container bottom plate |
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| CN205033328U true CN205033328U (en) | 2016-02-17 |
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| CN201520796509.1U Expired - Fee Related CN205033328U (en) | 2015-10-14 | 2015-10-14 | Asymmetric container bottom plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147821A (en) * | 2021-12-06 | 2022-03-08 | 德华兔宝宝装饰新材股份有限公司 | Preparation method of aldehyde-free recombined decorative veneer |
| CN114919266A (en) * | 2022-05-26 | 2022-08-19 | 浙江清华长三角军民协同创新研究院(嘉兴) | Method for manufacturing composite material sandwich structure of asymmetric panel |
| CN115464723A (en) * | 2022-10-08 | 2022-12-13 | 西南林业大学 | Parallel type synchronous prefabricated plywood production line and production method |
-
2015
- 2015-10-14 CN CN201520796509.1U patent/CN205033328U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147821A (en) * | 2021-12-06 | 2022-03-08 | 德华兔宝宝装饰新材股份有限公司 | Preparation method of aldehyde-free recombined decorative veneer |
| CN114919266A (en) * | 2022-05-26 | 2022-08-19 | 浙江清华长三角军民协同创新研究院(嘉兴) | Method for manufacturing composite material sandwich structure of asymmetric panel |
| CN114919266B (en) * | 2022-05-26 | 2024-05-03 | 浙江清华长三角军民协同创新研究院(嘉兴) | Manufacturing method of composite sandwich structure of asymmetric panel |
| CN115464723A (en) * | 2022-10-08 | 2022-12-13 | 西南林业大学 | Parallel type synchronous prefabricated plywood production line and production method |
| CN115464723B (en) * | 2022-10-08 | 2023-10-27 | 西南林业大学 | Parallel synchronous prefabricated plywood production line and production method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20161014 |