CN206899410U - One kind exempts from paint shaped agricultural crop straw base wood-based plate - Google Patents
One kind exempts from paint shaped agricultural crop straw base wood-based plate Download PDFInfo
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- CN206899410U CN206899410U CN201720486547.6U CN201720486547U CN206899410U CN 206899410 U CN206899410 U CN 206899410U CN 201720486547 U CN201720486547 U CN 201720486547U CN 206899410 U CN206899410 U CN 206899410U
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Abstract
The utility model discloses one kind to exempt from paint shaped agricultural crop straw base wood-based plate, for layer structure, from top to bottom, successively including melamine impregnated paper layer, rotary-cut bamboo veneer layer, agricultural crop straw inorganic composite materials layer, rotary-cut bamboo veneer layer and melamine impregnated paper layer.The utility model sets rotary-cut bamboo veneer layer between melamine impregnated paper layer and agricultural crop straw inorganic composite materials layer, solves the technical problem that agricultural crop straw base inorganic composite materials surface smoothness is poor, is directly come off with the compound easily appearance layering of melamine impregnated paper.The addition of design, especially rotary-cut Bamboo veneer that the utility model passes through five-layer structure, significantly improve the intensity of sheet material.
Description
Technical field
It the utility model is related to Wood-based Panel Furniture Material Field, more particularly to exempt from paint shaped agricultural crop straw base artificial for one kind
Plate.
Background technology
Agricultural crop straw base inorganic composite materials low intensity, density are big, and it is poor to be directly used in Furniture manufacture decorative surface, need
Paint.Agricultural crop straw base inorganic composite materials with melamine impregnated paper is compound can increase its intensity, reduce its density,
Improve its incrustation performance, without paint, be used directly for Furniture manufacturing.But agricultural crop straw base inorganic compounding material
Expect that surface smoothness is poor, directly with melamine impregnated paper is compound easily the defects of layering comes off occurs.
Utility model content
The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided one kind can solve the problem that crops
It is artificial that what straw base inorganic composite materials and the compound easily appearance layering of melamine impregnated paper came off exempts from paint shaped agricultural crop straw base
Plate.
In order to solve the above technical problems, the utility model proposes technical scheme be：
One kind exempts from paint shaped agricultural crop straw base wood-based plate, is layer structure, from top to bottom, successively including melamine-impregnated
Ply of paper, rotary-cut bamboo veneer layer, agricultural crop straw inorganic composite materials layer, rotary-cut bamboo veneer layer and melamine impregnated paper layer.
Above-mentioned wood-based plate, it is preferred that described layer structure is symmetrical structure.
Above-mentioned wood-based plate, it is preferred that pass through E0 ureaformaldehyde gluing knots between layered structure.
Above-mentioned wood-based plate, it is preferred that the agricultural crop straw inorganic composite materials layer is crop branch fiber and silicon
It is through hot-forming composite panel after inorganic adhesive mixes.
Above-mentioned wood-based plate, it is preferred that the bamboo wood texture of the rotary-cut bamboo veneer layer and the agricultural crop straw are inorganic multiple
The length direction of condensation material layer is mutually perpendicular to, and further improves the intensity of wood-based plate.
Above-mentioned wood-based plate, it is preferred that the thickness of the melamine impregnated paper layer is 0.3-1.0mm；The rotary-cut bamboo
The thickness of ply is 1-2mm；The thickness of the agricultural crop straw inorganic composite materials layer is 8-15mm.
Compared with prior art, the utility model has the advantage of：
（1）It is of the present utility model to exempt from paint shaped agricultural crop straw base wood-based plate and common agricultural crop straw inorganic composite materials
Plate is compared, and due to having pasted enhancement layer melamine impregnated paper and rotary-cut Bamboo veneer, can avoid agricultural crop straw inorganic compounding
Contact of the material layer with air, there is the performances such as high, light, the environmentally friendly, waterproof of intensity, and be not required to paint and be directly used as Furniture manufacturing
Material.
（2）The utility model sets rotary-cut between melamine impregnated paper layer and agricultural crop straw inorganic composite materials layer
Bamboo veneer layer, it is poor to solve agricultural crop straw base inorganic composite materials surface smoothness, directly compound with melamine impregnated paper
Easily there is the technical problem that layering comes off.
（3）The addition of design, especially rotary-cut Bamboo veneer that the utility model passes through five-layer structure, significantly improves sheet material
Intensity.
Brief description of the drawings
Fig. 1 is the structural representation of the present utility model for exempting from paint shaped agricultural crop straw base wood-based plate.
Marginal data：
1st, the first melamine impregnated paper layer；2nd, the first rotary-cut bamboo veneer layer；3rd, agricultural crop straw inorganic composite materials layer；
4th, the second rotary-cut bamboo veneer layer；5th, the second melamine impregnated paper layer.
Embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the scope of protection of the utility model is not limited to embodiment in detail below.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to and limits this practicality
New protection domain.
Embodiment 1：
One kind is of the present utility model to exempt from paint shaped agricultural crop straw base wood-based plate, and its structural representation is as shown in figure 1, be stratiform
Structure, from top to bottom, successively including the first melamine impregnated paper layer 1, the first rotary-cut bamboo veneer layer 2, agricultural crop straw without
Machine composite layer 3（It is rice straw inorganic composite materials plate in the present embodiment）, the second rotary-cut bamboo veneer layer 4 and the 2nd 3
Poly cyanamid impregnated paper 5；Wherein, the first rotary-cut bamboo veneer layer 2 and the thickness of the second rotary-cut bamboo veneer layer 4 are 1mm；One or three
The thickness of the melamine impregnated paper layer 5 of poly cyanamid impregnated paper 1 and second is 0.3mm；Agricultural crop straw inorganic composite materials
The thickness of layer 3 is 15mm；In view of rotary-cut Bamboo veneer width limits, and to avoid rotary-cut Bamboo veneer width from splicing, the first rotary-cut
The bamboo wood texture of bamboo veneer layer 2 is mutually perpendicular to rice straw inorganic composite materials plate long side direction, the second rotary-cut bamboo veneer layer
4 bamboo wood texture is also mutually perpendicular to rice straw inorganic composite materials plate long side direction.
For the MOR of the agricultural crop straw base wood-based plate up to 41.2MPa, 24h absorber thickness expansion rates are only 1.3%,
Fire-protection rating reaches B1 levels, burst size of methanal≤0.032mg/m3, density reduces by 14.3% compared with straw inorganic composite materials,
The use of process is not in layering obscission.
The preparation method for exempting from paint shaped agricultural crop straw base wood-based plate of the present embodiment, comprises the following steps：
（1）It is prepared by rice-straw fibre：After the straw stalk that moisture content is 20% or so is cut into 10mm stalk section, deliver to brokenly
Long 1-10mm, wide 1-2mm, the thick 0.2-0.8mm rice-straw fibre being processed into broken machine, it is 9% then to dry to moisture content；
（2）Mix and be glued：Dried rice-straw fibre is transported in periodic mixer, by inorganic adhesive mist
Spray into the rice-straw fibre in continuous mixer after change, mixed rice-straw fibre with inorganic adhesive by periodic mixer
Uniformly, wherein, the mass ratio of rice-straw fibre and inorganic adhesive is 32：68；
（3）Mat formation shaping：Rice-straw fibre after applying glue mats formation into slab by continuous mechanical spreading machine；
（4）Thermocompression forming：The slab paved is delivered into hot press thermocompression forming, hot pressing temperature is 180 DEG C, hot pressing pressure
For 4.0MPa, hot pressing time 40s/mm；
（5）Maintenance is with drying：The semi-finished product come out from hot press are stacked into natural curing 10 days at normal temperatures, then delivered to dry
Dry kiln dries 8h at a temperature of 85 DEG C；
（6）Edging and sanding：Dried sheet material transport edging is sawed into 1250（It is wide）x2490（It is long）Mm sheet material
Sanding surface processing is carried out to two-sided wide-belt sander again afterwards, obtains the thick straw inorganic composite materials plates of 15mm；
（7）Rotary-cut Bamboo veneer is glued：Rotary-cut Bamboo veneer is passed through into three roller glue spreader one side roller coat E0 urea-formaldehyde glues, resin added
80g/m2；
（8）Assembly hot pressing：The thick melamine impregnated papers of a 0.3mm are first placed on assembly platform, are soaked in melamine
The rotary-cut Bamboo veneer of thick, the coated E0 urea-formaldehyde glues of 1mm of an equal-amplitude surface is stacked on stain paper, rotary-cut Bamboo veneer gluing is face-up, then
A rice straw inorganic composite materials plate is stacked in rotary-cut Bamboo veneer, pays attention to ensureing rotary-cut Bamboo veneer bamboo wood texture side when stacking
To vertical with rice straw inorganic composite materials plate long side direction.Then, one is stacked on straw inorganic composite materials plate
The rotary-cut Bamboo veneer of thick, the coated glue of 1mm of equal-amplitude surface, this rotary-cut Bamboo veneer gluing is face-down, and ensures rotary-cut Bamboo veneer bamboo
Material grain direction is vertical with rice straw inorganic composite materials long side direction, and it is 0.3mm to be finally covered with a thickness above again
Melamine impregnated paper, so far a plate assembly completion；Multiple assembly plates are stacked together, are sent into preformer precompressed 25min,
After precompressed terminates, every slab is sent into periodic multi-daylight press and carries out thermocompression forming, hot pressing temperature is 120 DEG C, hot pressing pressure
Power is 1.3MPa, hot pressing time 3min；
（9）Cooling and cutting edge：Sheet material after hot pressing is cooled to less than 50 DEG C by buck machine, that is, obtains exempting from paint shaped crops
Straw base wood-based plate, then be transported to edging saw in length and breadth and be cut into stacking, storage after 1220x2240mm breadth.
Embodiment 2：
One kind is of the present utility model to exempt from paint shaped agricultural crop straw base wood-based plate, and its structural representation is as shown in figure 1, be stratiform
Structure, from top to bottom, successively including the first melamine impregnated paper layer 1, the first rotary-cut bamboo veneer layer 2, agricultural crop straw without
Machine composite layer 3（It is cigarette stalk inorganic composite materials plate in the present embodiment）, the second rotary-cut bamboo veneer layer 4 and the second melamine
Amine impregnated paper 5；The thickness of first rotary-cut bamboo veneer layer 2 is 2mm, and the thickness of the second rotary-cut bamboo veneer layer 4 is 2mm；One or three
The thickness of the melamine impregnated paper layer 5 of poly cyanamid impregnated paper 1 and second is 0.6mm；Agricultural crop straw inorganic composite materials
The thickness of layer 3 is 10mm；Bamboo wood texture and cigarette stalk inorganic composite materials plate length direction phase in first rotary-cut bamboo veneer layer 2
Mutually vertical, the bamboo wood texture in the second rotary-cut bamboo veneer layer 4 is also mutually perpendicular to cigarette stalk inorganic composite materials plate length direction.
For the MOR of the agricultural crop straw base wood-based plate up to 45.8MPa, 24h absorber thickness expansion rates are only 1.12%,
Fire-protection rating reaches B1 levels, burst size of methanal≤0.032mg/m3, density reduces by 13.2% compared with straw inorganic composite materials,
The use of process is not in layering obscission.
The preparation method for exempting from paint shaped agricultural crop straw base wood-based plate of the present embodiment, comprises the following steps：
（1）It is prepared by tobacco stalk fiber：After the cigarette stalk that moisture content is 20% or so is cut into 10mm cigarette stalk section, deliver to broken
Processing growth 1-10mm, wide 1-2mm, thick 0.2-0.8mm tobacco stalk fiber in machine, it is 9% then to dry to moisture content；
（2）Mix and be glued：Tobacco stalk fiber after drying is transported to periodic mixer, after inorganic adhesive is atomized
Spray into the tobacco stalk fiber in continuous mixer, mixed tobacco stalk fiber with inorganic adhesive by periodic mixer
It is even；Wherein, tobacco stalk fiber and inorganic adhesive weight ratio are 45：55；
（3）Mat formation shaping：Tobacco stalk fiber after applying glue is mated formation into slab by continuous mechanical spreading machine；
（4）Thermocompression forming：The slab paved is delivered into hot press thermocompression forming, hot pressing temperature is 170 DEG C, hot pressing pressure
For 5.0MPa, hot pressing time 50s/mm；
（5）Maintenance is with drying：The semi-finished product come out from hot press are stacked into natural curing 10 days at normal temperatures, then delivered to dry
8h is dried in dry kiln at a temperature of 85 DEG C；
（6）Edging and sanding：Dried sheet material transport edging is sawed into 1220（It is wide）x2440（It is long）Mm sheet material
Sanding surface processing is carried out to two-sided wide-belt sander again afterwards, it is 10mm straw inorganic composite materials plates to obtain thickness；
（7）Rotary-cut Bamboo veneer is glued：Rotary-cut Bamboo veneer is passed through into three roller glue spreader one side roller coat E0 urea-formaldehyde glues, resin added
80g/m2；
（8）Assembly hot pressing：The thick melamine impregnated papers of a 0.6mm are first placed on assembly platform, are soaked in melamine
The rotary-cut Bamboo veneer of thick, the coated glue of 2mm of an equal-amplitude surface is stacked on stain paper, rotary-cut Bamboo veneer gluing is face-up, then in rotary-cut
Bamboo veneer stacks a cigarette stalk inorganic composite materials plate, and equal-amplitude surface is then stacked on cigarette stalk inorganic composite materials
The rotary-cut Bamboo veneer of thick, the coated E0 urea-formaldehyde glues of 2mm, this rotary-cut Bamboo veneer gluing is face-down, is finally covered with one above again
Melamine impregnated paper thick 0.6mm, so far a plate assembly completion；Multiple assembly plates are stacked together, are sent into preformer
Precompressed 25min；After precompressed terminates, every slab is sent into periodic multi-daylight press and carries out thermocompression forming, hot pressing temperature 130
DEG C, hot pressing pressure 1.3MPa, hot pressing time 5min；
（9）Cooling and cutting edge：Sheet material after hot pressing is cooled to less than 50 DEG C by buck machine, that is, obtains exempting from paint shaped crops
Straw base wood-based plate, then be transported to edging saw in length and breadth and be cut into stacking, storage after 1220x2240mm breadth.
Embodiment 3：
One kind is of the present utility model to exempt from paint shaped agricultural crop straw base wood-based plate, and its structural representation is as shown in figure 1, be stratiform
Structure, from top to bottom, successively including the first melamine impregnated paper layer 1, the first rotary-cut bamboo veneer layer 2, agricultural crop straw without
Machine composite layer 3（It is cornstalk inorganic composite materials plate in the present embodiment）, the second rotary-cut bamboo veneer layer 4 and the second trimerization
Cyanamide impregnated paper 5；The thickness of first rotary-cut bamboo veneer layer 2 is 2mm, and the thickness of the second rotary-cut bamboo veneer layer 4 is 2mm；First
The thickness of the melamine impregnated paper layer 5 of melamine impregnated paper layer 1 and second is 1.0mm；Agricultural crop straw inorganic compounding material
The thickness of the bed of material 3 is 8mm；Bamboo wood texture and cornstalk inorganic composite materials plate length direction in first rotary-cut bamboo veneer layer 2
It is mutually perpendicular to, the bamboo wood texture in the second rotary-cut bamboo veneer layer 4 mutually hangs down with cornstalk inorganic composite materials plate length direction
Directly.
For the MOR of the agricultural crop straw base wood-based plate up to 42.4MPa, 24h absorber thickness expansion rates are only 1.22%,
Fire-protection rating reaches B1 levels, burst size of methanal≤0.032mg/m3, density reduces by 15% compared with straw inorganic composite materials, makes
Be not in layering obscission with process.
The preparation method for exempting from paint shaped agricultural crop straw base wood-based plate of the present embodiment, comprises the following steps：
（1）It is prepared by cornstalk fibers：The cornstalk that moisture content is 20% or so is cut to 10mm cornstalk section, delivered to
Processing growth 1-10mm, wide 1-2mm, thick 0.2-0.8mm cornstalk fibers in disintegrating machine, it is 9% then to dry to moisture content；
（2）Mix and be glued：Cornstalk fibers are transported in periodic mixer after drying, and inorganic adhesive is atomized
Spray into the cornstalk fibers in continuous mixer, mixed cornstalk fibers with inorganic adhesive afterwards by mixer
It is even, wherein, the weight ratio of cornstalk fibers and inorganic adhesive is 38：62；
（3）Mat formation shaping：Cornstalk fibers after applying glue are mated formation into slab by continuous mechanical spreading machine；
（4）Thermocompression forming：The slab paved is delivered into hot press thermocompression forming, hot pressing temperature is 180 DEG C, hot pressing pressure
For 4.5MPa, hot pressing time 45s/mm；
（5）Maintenance is with drying：It will be come out from hot press and natural curing 8 days is stacked under semi-finished product normal temperature, then deliver to dry kiln
9h is dried at a temperature of 90 DEG C；
（6）Edging and sanding：Dried sheet material transport edging is sawed into 1220（It is wide）x2440（It is long）Mm sheet material
Sanding surface processing is carried out to two-sided wide-belt sander again afterwards, obtains the cornstalk inorganic composite materials plate that thickness is 8mm；
（7）Rotary-cut Bamboo veneer is glued：Rotary-cut Bamboo veneer is passed through into three roller glue spreader one side roller coat E0 urea-formaldehyde glues, resin added
80g/m2；
（8）Assembly hot pressing：Thick 1.0mm melamine impregnated paper is first placed on assembly platform, is soaked in melamine
The rotary-cut Bamboo veneer of thick, the coated glue of 2mm of an equal-amplitude surface is stacked on stain paper, rotary-cut Bamboo veneer gluing is face-up, then in rotary-cut
Bamboo veneer stacks a cornstalk inorganic composite materials plate, and breadth is then stacked on cornstalk inorganic composite materials
The rotary-cut veneer of thick, the coated E0 urea-formaldehyde glues of 2mm, this rotary-cut Bamboo veneer gluing is face-down, is finally covered with one above again
Thickness is 1.0mm melamine impregnated paper, and so far a plate assembly is completed；Multiple assembly plates are stacked together, are sent into pre-
Press precompressed 30min；After precompressed terminates, every slab is sent into periodic multi-daylight press and carries out thermocompression forming；Hot pressing temperature
For 120 DEG C, hot pressing pressure 1.5MPa, hot pressing time 4min；
（9）Cooling and cutting edge：Sheet material after hot pressing is cooled to less than 50 DEG C by buck machine, that is, obtains exempting from paint shaped crops
Straw base wood-based plate, stacking, storage after being transported to edging saw in length and breadth and being cut into 1220x2240mm breadth.
Claims (6)
1. one kind exempts from paint shaped agricultural crop straw base wood-based plate, it is characterised in that is layer structure, from top to bottom, successively including three
Poly cyanamid impregnated paper, rotary-cut bamboo veneer layer, agricultural crop straw inorganic composite materials layer, rotary-cut bamboo veneer layer and melamine leaching
Stain ply of paper.
2. wood-based plate as claimed in claim 1, it is characterised in that described layer structure is symmetrical structure.
3. wood-based plate as claimed in claim 1, it is characterised in that pass through E0 ureaformaldehyde gluing knots between layered structure.
4. wood-based plate as claimed in claim 1, it is characterised in that the agricultural crop straw inorganic composite materials layer is crops
Through hot-forming composite panel after stalk fibre and the mixing of silicon systems inorganic adhesive.
5. wood-based plate as claimed in claim 4, it is characterised in that the bamboo wood texture of the rotary-cut bamboo veneer layer and the farming
The length direction of thing stalk inorganic composite materials layer is mutually perpendicular to.
6. wood-based plate as claimed in claim 1, it is characterised in that the thickness of the melamine impregnated paper layer is 0.3-
1.0mm；The thickness of the rotary-cut bamboo veneer layer is 1-2mm；The thickness of the agricultural crop straw inorganic composite materials layer is 8-
15mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486547.6U CN206899410U (en) | 2017-05-04 | 2017-05-04 | One kind exempts from paint shaped agricultural crop straw base wood-based plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486547.6U CN206899410U (en) | 2017-05-04 | 2017-05-04 | One kind exempts from paint shaped agricultural crop straw base wood-based plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206899410U true CN206899410U (en) | 2018-01-19 |
Family
ID=61287830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720486547.6U Active CN206899410U (en) | 2017-05-04 | 2017-05-04 | One kind exempts from paint shaped agricultural crop straw base wood-based plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206899410U (en) |
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2017
- 2017-05-04 CN CN201720486547.6U patent/CN206899410U/en active Active
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