CN215635483U - Bamboo-wood composite winding pipe - Google Patents
Bamboo-wood composite winding pipe Download PDFInfo
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- CN215635483U CN215635483U CN202121903681.4U CN202121903681U CN215635483U CN 215635483 U CN215635483 U CN 215635483U CN 202121903681 U CN202121903681 U CN 202121903681U CN 215635483 U CN215635483 U CN 215635483U
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Abstract
The utility model discloses a bamboo-wood composite winding pipe, and belongs to the technical field of pipelines. The bamboo-wood composite winding pipe sequentially comprises a structural layer, an enhancement layer and a structural layer from inside to outside along the pipe diameter direction, wherein the structural layer is a composite lamination of a wood planing plate and a toughness enhancement band, and the enhancement layer is a composite lamination of a bamboo skin woven band and the toughness enhancement band. In the compound winding pipe production process of bamboo wood, make wood planing board, thin bamboo strips used for weaving braid tightly twine on the straight tube mould through net cloth, reduced the pulling force that wood planing board bore at the winding in-process greatly, avoid it to be broken by the drawing, help improving the quality and the production efficiency of compound winding pipe of bamboo wood.
Description
Technical Field
The utility model relates to a bamboo-wood composite winding pipe, and belongs to the technical field of pipelines.
Background
At present, polyvinyl chloride pipes, polyethylene pipes, glass steel pipes, glass fiber reinforced plastic sand inclusion pipes and the like are commonly used in water supply and drainage engineering and petrochemical engineering anticorrosion occasions. Polyvinyl chloride pipes and polyethylene pipes are light, smooth and corrosion-resistant, but are insufficient in rigidity and strength, and raw materials are synthetic products of petroleum products; the glass fiber reinforced plastic pipe and the glass fiber reinforced plastic sand inclusion pipe have the advantages of corrosion resistance, high strength, small fluid resistance and high rigidity, but the reinforcing material of the product is glass fiber with high energy consumption, the used resin is completely dependent on petroleum, and the product and waste materials are not recyclable and are not environment-friendly.
Therefore, chinese patent publication No. CN204493928U discloses a thermosetting bamboo-wood composite pipe, which is provided with an inner liner and an outer protective layer from inside to outside in the radial direction, and a reinforcing layer formed by winding bamboo splits and a structural layer formed by winding a wood shaving plate are sequentially arranged between the inner liner and the outer protective layer from inside to outside. The planing wood plate is added into the pipe, so that the material cost of the bamboo composite pipe is reduced, the production efficiency of the pipe is greatly improved, and a high-quality and low-cost pipeline is provided for the fields of agricultural irrigation, drainage, building ventilation and the like.
However, the reinforcing layer formed by winding the bamboo skin and the structural layer formed by winding the wood shaving board are easy to be loosely wound or the wood shaving board is broken in the production process of the composite pipe, so that the quality or the production efficiency of the composite pipe is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a bamboo-wood composite winding pipe.
The utility model is realized by the following technical scheme:
the utility model provides a compound winding pipe of bamboo wood, is structural layer, enhancement layer and structural layer from inside to outside in proper order along the pipe diameter direction, the structural layer is the compound stromatolite of wood planing board and toughness reinforcing area, the enhancement layer is the compound stromatolite of thin bamboo strips used for weaving area and toughness reinforcing area.
The toughness reinforcing belt is located the outside of wood planing board in the structural layer, and toughness reinforcing belt and wood planing board spiral or hoop are twined in step and are formed the structural layer.
The wood planing plate is a rotary-cut wood continuous veneer.
The thickness of the wood planing plate is 0.5-1 mm.
The toughness reinforcing belt in the enhancement layer is located the outside of thin bamboo strip braid over braid, and the reinforcing layer is formed in the spiral or the annular synchronous winding of toughness reinforcing belt and thin bamboo strip braid over braid.
The toughness reinforcing belt is made of mesh cloth.
The bamboo-wood composite winding pipe is characterized in that an inner liner is arranged on the inner surface of the bamboo-wood composite winding pipe, and the inner liner is formed by gluing a bamboo fiber non-woven fabric and a knitted felt.
The lining layer, the structural layer and the reinforcing layer are bonded and cured into a whole.
And an outer protective layer is arranged on the outer surface of the bamboo-wood composite winding pipe.
The utility model has the beneficial effects that:
1. in the compound winding pipe production process of bamboo wood, make wood planing board, thin bamboo strips used for weaving braid tightly twine on the straight tube mould through net cloth, reduced the pulling force that wood planing board bore at the winding in-process greatly, avoid it to be broken by the drawing, help improving the quality and the production efficiency of compound winding pipe of bamboo wood.
2. The grid cloth is also beneficial to improving the bonding strength between the structural layer and the reinforcing layer and improving the overall tensile strength of the bamboo-wood composite winding pipe.
3. The reinforcing layer is internally and externally provided with a structural layer, the structural layer is obtained by synchronously and spirally winding rotary-cut wood continuous veneers and grid cloth, the surface is smooth, the number of leakage holes is small, and the seepage-proofing capability of the bamboo-wood composite winding pipe is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1-lining layer, 2-structural layer, 3-reinforcing layer and 4-outer protective layer.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the bamboo-wood composite winding pipe of the utility model sequentially comprises a structural layer 2, an enhancement layer 3 and the structural layer 2 from inside to outside along the pipe diameter direction, wherein the structural layer 2 is a composite lamination of a wood planing plate and a toughness enhancement band, and the enhancement layer 3 is a composite lamination of a bamboo skin weaving band and the toughness enhancement band. In the compound winding pipe production process of bamboo wood, make wood planing board, thin bamboo strips used for weaving braid tightly twine on the straight tube mould through toughness reinforcing area, reduced the pulling force that wood planing board bore at the winding in-process greatly, avoid it to be broken by the drawing, help improving the quality and the production efficiency of compound winding pipe of bamboo wood.
The toughness reinforcing belt in the structural layer 2 is located on the outer side of the wood planing plate, and the toughness reinforcing belt and the wood planing plate are spirally or circularly synchronously wound to form the structural layer 2.
The wood planing plate is a rotary-cut wood continuous veneer.
The thickness of the wood planing plate is 0.5-1 mm.
The toughness reinforcing band in the enhancement layer 3 is located the outside of thin bamboo strip braid over braid, and the reinforcing layer 3 is formed in the spiral or the annular synchronous winding of toughness reinforcing band and thin bamboo strip braid over braid.
The toughness reinforcing belt is made of mesh cloth. The grid cloth not only has the effect of tightly winding the wood planing plate and the bamboo skin woven belt on the straight pipe die and avoiding the wood planing plate from being broken by pulling, but also contributes to improving the adhesion strength between the structural layer 2 and the enhancement layer 3 and improving the overall tensile strength of the bamboo-wood composite winding pipe.
The inner surface of the bamboo-wood composite winding pipe is provided with an inner liner layer 1, and the inner liner layer 1 is formed by gluing a bamboo fiber non-woven fabric and a knitted felt.
The lining layer 1, the structural layer 2 and the reinforcing layer 3 are bonded and cured into a whole.
And an outer protective layer 4 is arranged on the outer surface of the bamboo-wood composite winding pipe. And coating a layer of resin with good waterproof and anticorrosion performance and radiation-proof filler on the outer surface of the pipeline to form an outer protective layer 4.
The bamboo-wood composite winding pipe provided by the utility model has the following production process:
(1) manufacturing bamboo splits, then weaving the bamboo splits into a bamboo split woven belt by using nylon threads and the like, and arranging a plurality of bamboo splits in the bamboo split woven belt side by side;
(2) coating a layer of demoulding film on a straight pipe mould, and manufacturing an inner liner layer 1 on the straight pipe mould by using resin, bamboo fiber non-woven fabric and knitted felt which have excellent corrosion resistance and meet food safety;
(3) after the lining layer 1 is solidified, respectively installing the rotary-cut wood continuous single board and the gridding cloth on a winding machine, and synchronously and spirally winding the rotary-cut wood continuous single board and the gridding cloth on the lining layer 1 after passing through a glue dipping tank filled with amino resin to form a structural layer 2; in the winding process, the mesh cloth is positioned at the outer side of the rotary-cut wood continuous single plate, and the tensile force applied to the mesh cloth is far greater than that of the rotary-cut wood continuous single plate, so that the rotary-cut wood continuous single plate is tightly wound on the lining layer 1 through the mesh cloth;
(4) respectively installing the woven bamboo strip and the grid cloth on a winding machine, synchronously and spirally winding the woven bamboo strip and the grid cloth on the structural layer 2 obtained in the step (3) through the winding machine, adding prepared amino resin while winding, and forming an enhancement layer 3 on the structural layer 2;
(5) repeating the step (3) to form a structural layer 2 on the reinforcing layer 3;
(6) heating and curing the pipeline, and crosslinking and curing the resin to obtain an integrated bamboo-wood composite winding pipe;
(7) and spraying a layer of resin with good waterproof and anticorrosion performances and radiation-proof filler outside the pipeline to form an outer protective layer 4.
The bamboo-wood composite winding pipe provided by the utility model has the following beneficial effects:
1. in the compound winding pipe production process of bamboo wood, make wood planing board, thin bamboo strips used for weaving braid tightly twine on the straight tube mould through net cloth, reduced the pulling force that wood planing board bore at the winding in-process greatly, avoid it to be broken by the drawing, help improving the quality and the production efficiency of compound winding pipe of bamboo wood.
2. The grid cloth is also beneficial to improving the bonding strength between the structural layer 2 and the enhancement layer 3 and improving the overall tensile strength of the bamboo-wood composite winding pipe.
3. The inside and outside of the enhancement layer 3 are both provided with the structural layer 2, the structural layer 2 is obtained by synchronously and spirally winding rotary-cut wood continuous veneers and grid cloth, the surface is smooth, the number of leakage holes is small, and the seepage-proofing capability of the bamboo-wood composite winding pipe is improved.
Claims (9)
1. The utility model provides a compound winding pipe of bamboo wood which characterized in that: be structural layer (2), enhancement layer (3) and structural layer (2) from inside to outside in proper order along the pipe diameter direction, structural layer (2) are the compound stromatolite of wood planing board and toughness reinforcing area, enhancement layer (3) are the compound stromatolite of thin bamboo strips used for weaving area and toughness reinforcing area.
2. The bamboo-wood composite winding pipe of claim 1, characterized in that: the toughness reinforcing belt in the structural layer (2) is located on the outer side of the wood planing plate, and the toughness reinforcing belt and the wood planing plate are spirally or annularly wound synchronously to form the structural layer (2).
3. The bamboo-wood composite winding pipe of claim 2, characterized in that: the wood planing plate is a rotary-cut wood continuous veneer.
4. The bamboo-wood composite winding pipe of claim 3, characterized in that: the thickness of the wood planing plate is 0.5-1 mm.
5. The bamboo-wood composite winding pipe of claim 1, characterized in that: the toughness reinforcing band in enhancement layer (3) is located the outside of thin bamboo strips used for weaving the band, and toughness reinforcing band and thin bamboo strips used for weaving the band spiral or the synchronous winding of hoop form enhancement layer (3).
6. The bamboo-wood composite winding pipe of claim 1, 2 or 5, characterized in that: the toughness reinforcing belt is made of mesh cloth.
7. The bamboo-wood composite winding pipe of claim 1, characterized in that: an inner lining layer (1) is arranged on the inner surface of the bamboo-wood composite winding pipe; the lining layer (1) is formed by gluing a bamboo fiber non-woven fabric and a knitted felt.
8. The bamboo-wood composite winding pipe of claim 7, characterized in that: the lining layer (1), the structural layer (2) and the reinforcing layer (3) are bonded and cured into a whole.
9. The bamboo-wood composite winding pipe of claim 1, characterized in that: an outer protective layer (4) is arranged on the outer surface of the bamboo-wood composite winding pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903681.4U CN215635483U (en) | 2021-08-12 | 2021-08-12 | Bamboo-wood composite winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903681.4U CN215635483U (en) | 2021-08-12 | 2021-08-12 | Bamboo-wood composite winding pipe |
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| Publication Number | Publication Date |
|---|---|
| CN215635483U true CN215635483U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121903681.4U Active CN215635483U (en) | 2021-08-12 | 2021-08-12 | Bamboo-wood composite winding pipe |
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| Country | Link |
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| CN (1) | CN215635483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT525765A1 (en) * | 2022-01-11 | 2023-07-15 | Schmidt Michael | CONSTRUCTION ELEMENT |
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2021
- 2021-08-12 CN CN202121903681.4U patent/CN215635483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT525765A1 (en) * | 2022-01-11 | 2023-07-15 | Schmidt Michael | CONSTRUCTION ELEMENT |
| AT525765B1 (en) * | 2022-01-11 | 2023-12-15 | Schmidt Michael | CONSTRUCTION ELEMENT |
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