CN1031180C - Bamboo weaving lagers stacked material making method - Google Patents
Bamboo weaving lagers stacked material making method Download PDFInfo
- Publication number
- CN1031180C CN1031180C CN 92107278 CN92107278A CN1031180C CN 1031180 C CN1031180 C CN 1031180C CN 92107278 CN92107278 CN 92107278 CN 92107278 A CN92107278 A CN 92107278A CN 1031180 C CN1031180 C CN 1031180C
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- bamboo
- bamboo chip
- lagers
- weaving
- assembly
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Abstract
The present invention relates to a method for manufacturing bamboo weaving layer laminated wood after a bamboo is split into bamboo strips and is woven into a bamboo strip plate, which is characterized in that after the bamboo is split into the bamboo strips, warp threads are used when the bamboo strips are woven, and the bamboo strips are only arrayed in the weft direction (longitudinal direction). The bamboo strips in a bamboo strip plate are not overlapped, and the textures of the adjacent bamboo strips are assembled according to the prearranged mechanical properties of a product and a certain design included angle to form a sheet material finished product.
Description
The bamboo weaving lagers stacked material making method that the present invention proposes belongs to the glued board manufacturing technology in the Wood-based Panel Production.
Because the thin cylinder of hollow that the bamboo stalk is a self-sow to be formed and band joint, reduce gradually from root to taper along the diameter and the thickness of its axis direction, and cross section neither a desirable circle.When bamboo stalk length surpasses one meter, can't adopt the veneer rotary-cut technology in the manufacturing of wood gluing plate; Use reluctantly, the utilization rate of bamboo wood is also extremely low.Because the material of bamboo wood obviously is better than timber in many aspects, and the bamboo timber resource of China is quite abundant, therefore, existing multiple use bamboo wood is made the method for bamboo plywood or similar products.As:
1.CNZL 87100368.6 bamboo plywood manufacture methods
2.CNZL 89212130.0 bamboos gummed saw blade plate
3.CNZL the bamboo mat plywood that 88102689.1 bamboo glue Manufacturing Methods of Build-up PCB and at present domestic all kinds of small business produce etc.Above the whole bag of tricks, or the adhesive consumption is big; Or it is in uneven thickness; Or unreasonable products structure, can not give full play of the internal performance of bamboo wood; Or technology is improved rationally inadequately.So influenced the production and the use of product greatly.
Some problems that the objective of the invention is to be primarily aimed in the existing bamboo utilization are improved, so that product consumption glue amount is low, and the mechanical property height, and can satisfy the requirement of various different purposes.
The main technique flow process of existing bamboo mat plywood production is:
1. raw material is prepared---and generally adopt mao bamboon, also can use other bamboo.
2. block---bamboo by the breadth size of producing glued board, is blocked the length that becomes to need.
3. split sheet---be split into the silk worm slip of required thickness with the thick bamboo tube after special equipment or manual will the blocking.
4. weave a mat---with silk worm sheet strip adoption special equipment or the manual bamboo mat of weaving into.
5. dry---bamboo mat is dried to the moisture content of requirement.
6. applying glue---bamboo mat is carried out applying glue by technological requirement.
7. assembly---the applying glue bamboo mat is carried out assembly by technological requirement.
8. precompressed---the bamboo mat behind the assembly is carried out precompressed at suitable pressures.
9. hot pressing---the slab after the precompressed is carried out hot pressing form bamboo mat plywood under suitable temperature and pressure.
The technological process of bamboo weaving lagers stacked material proposed by the invention is:
1. raw material is prepared---and generally adopt mao bamboon, also can use other bamboo.
2. block---with the requirement of bamboo, block the length that becomes to need by the production product size.
3. split sheet---be split into the bamboo band of required thickness with the thick bamboo tube after special equipment or manual will the blocking.
4. braiding---bamboo band is adopted special equipment or the manual bamboo chip plate that is woven into.
5. dry---the bamboo chip plate is dried to the moisture content of requirement.(according to the purposes requirement of product, also can first applying glue, back dry.)
6. applying glue---the bamboo chip plate is carried out applying glue by technological requirement.
7. assembly---the bamboo chip texture of adjacent layer bamboo chip carries out assembly by the design angle.
8. precompressed---the bamboo chip slab behind the assembly is carried out precompressed at suitable pressures.
9. hot pressing---the slab after the precompressed is carried out hot pressing form bamboo weaving lagers stacked material under suitable temperature and pressure.
The later technological process of production and wood gluing board production technology are basic identical.
Said method is on bamboo chip plate weaving method and the assembly method different with the main distinction of original bamboo mat plywood manufacturing process, and its difference is:
1. the method for weaving a mat of bamboo mat plywood is the bamboo chip braiding that overlaps each other, and does not use other auxiliary material.We's rule uses nylon wire to make warp, and bamboo chip is only made broadwise (vertically) and arranged, therefore, and bamboo chip zero lap phenomenon.
2. this method can be carried out assembly by certain design angle according to customer requirements, to obtain the product of different designs performance.
Because above 2 differences, so adopt this method to produce bamboo weaving lagers stacked material, not only intensity is big, and can control the intensity rate on the product different directions, to satisfy different instructions for uses.
Exemplary embodiments 1:
1. bamboo wood being split into width is 10～20mm, and thickness is the bamboo chip of 1～2.5mm.
2. the nylon wire of bamboo chip with 0.1mm woven on braider, spacing is about 150mm between nylon wire (warp), and the spacing between bamboo chip as far as possible closely requires to be not more than 2mm.
3. be the assembly that intersects vertically (common mode assembly) by adjacent layer bamboo chip plate.
Other routinely technology carry out.
The product number of plies can be arranged finished product thickness 3～30mm according to customer requirements odd number or even level; Glue kind: urea-formaldehyde glue or phenol glue.When using urea-formaldehyde resin adhesive, its Main physical, mechanical property are as follows:
| Sequence number | Test item (unit) | Detected value | |
| 1 | Shear strength (MPa) | 1.43 | |
| 2 | Bending strength (MPa) | 0° | 148.0 |
| 90° | 28.4 | ||
| 3 | Young's modulus (10 3MPa) | 0° | 12.1 |
| 90° | 1.3 | ||
| 4 | Compressive strength (MPa) | 0° | 44.3 |
| 45° | 14.2 | ||
| 90° | 17.6 | ||
Annotate: thickness of slab 6mm.
Exemplary embodiments 2:
By the design strength requirement, adjacent layer bamboo chip plate carries out assembly by 45 degree angles.Except that the mechanical property of product has the respective change, all the other are with embodiment 1.
Exemplary embodiments 3:
By the design strength requirement, the parallel assembly of adjacent layer bamboo chip plate.Except that the mechanical property of product has the respective change, all the other are with embodiment 1.
The description of the drawings:
Accompanying drawing 1 is the weaving method schematic diagram of common bamboo mat plywood bamboo weaving;
Accompanying drawing 2 is a bamboo chip plate weaving method schematic diagram of the present invention;
Accompanying drawing 3 is the vertical assembly schematic diagram of adjacent layer.When adopting the odd-level structure, odd-level is vertical mutually with the bamboo chip plate bamboo chip direction of even level.What represent among the figure is 5 layers of structural slab.
Accompanying drawing 4 is an adjacent layer angle assembly schematic diagram.When adopting the odd-level structure, the bamboo chip plate bamboo chip direction of odd-level and even level is 45 degree angles.What represent among the figure is 7 layers of structural slab.
Accompanying drawing 5 is the parallel assembly schematic diagram of adjacent layer.When adopting the odd-level structure, except that the assembly sandwich layer, the bamboo chip direction of all the other each layer bamboo chip plates is parallel to each other.What represent among the figure is 5 layers of structural slab.
Claims (1)
1. one kind is blocked, splits the method for making bamboo weaving lagers stacked material after sheet, braiding, drying, applying glue, assembly, precompressed, the hot pressing with bamboo, uses warp, bamboo chip only to make broadwise when it is characterized in that weaving the bamboo chip plate and arranges; The bamboo chip texture of adjacent layer bamboo chip carries out assembly by the design angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107278 CN1031180C (en) | 1992-01-25 | 1992-01-25 | Bamboo weaving lagers stacked material making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92107278 CN1031180C (en) | 1992-01-25 | 1992-01-25 | Bamboo weaving lagers stacked material making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1074642A CN1074642A (en) | 1993-07-28 |
| CN1031180C true CN1031180C (en) | 1996-03-06 |
Family
ID=4942774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92107278 Expired - Fee Related CN1031180C (en) | 1992-01-25 | 1992-01-25 | Bamboo weaving lagers stacked material making method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1031180C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318340B (en) * | 2007-06-08 | 2010-06-23 | 中国国际海运集装箱(集团)股份有限公司 | Method for forming sheet material with strip shaped material |
| CN102837338B (en) * | 2012-09-03 | 2014-12-03 | 国际竹藤中心 | Manufacturing method for continuously gluing bamboo plywood and bamboo laminate |
| CN106625921B (en) * | 2017-03-01 | 2019-05-14 | 浙江农林大学暨阳学院 | A kind of preparation method of bamboo beam column |
-
1992
- 1992-01-25 CN CN 92107278 patent/CN1031180C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1074642A (en) | 1993-07-28 |
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