CN218645254U - Basalt woven mesh rotational molding high-gas cylinder structure - Google Patents
Basalt woven mesh rotational molding high-gas cylinder structure Download PDFInfo
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- CN218645254U CN218645254U CN202223195230.7U CN202223195230U CN218645254U CN 218645254 U CN218645254 U CN 218645254U CN 202223195230 U CN202223195230 U CN 202223195230U CN 218645254 U CN218645254 U CN 218645254U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Abstract
The application discloses basalt woven mesh rotational moulding shaping high gas cylinder structure belongs to the auto-parts field, and it is higher to have solved among the prior art manufacturing cost of non-metal inner bag fibre full winding gas cylinder, and the complicated problem of carbon fiber parcel course of working. In the application, the bottle wall of the gas cylinder body comprises an inner layer PEX layer I, a basalt layer I and an outer layer PEX layer II, the basalt layer I is fixedly built between the inner layer PEX layer I and the outer layer PEX layer II, and the inner layer PEX layer I, the basalt layer I and the outer layer PEX layer II are sequentially arranged from the inside of the gas cylinder body to the outer surface of the gas cylinder body. The utility model discloses a basalt braided mesh rotational moulding shaping high gas cylinder structure need not follow-up cladding carbon fiber enhancement layer, wholly can adopt rotational moulding fashioned mode processing, simplifies the course of working, and the cost is lower.
Description
Technical Field
The utility model relates to a basalt mesh grid rotational moulding shaping high gas cylinder structure belongs to the auto-parts field.
Background
The development of high-pressure gas storage cylinders starts in the 50 th 20 th century, metal steel cylinders are mainly used at the earliest time, and aluminum alloy materials are changed after the high-pressure gas storage cylinders are heavy, so that the gas cylinders are called all-metal gas cylinders (I type); by the 1970 s glass fiber wrapped steel or aluminum liners were used to further reduce mass, this type of cylinder was called a metal liner fiber hoop wrapped cylinder (type II); in the 1980 s, the U.S. began to reduce the mass of the cylinder by reinforcing the aluminum lining with the full-wrapped carbon fiber, which is called the metal liner fiber full-wrapped cylinder (type III); in the 1990's, the United states began to manufacture high pressure cylinders with high density polyethylene as an inner liner and carbon fiber wrapped around the outer surface, which were the lightest weight cylinders (type IV) with a fully wrapped fiber non-metallic liner. Compared with the I type, II type and III type high-pressure gas cylinders, the nonmetal liner fiber fully-wound gas cylinder (IV type) has the characteristics of light weight and better pressure resistance. But the manufacturing cost of the nonmetal liner fiber fully-wound gas cylinder (IV type) is higher, and the carbon fiber wrapping and processing process is complex.
SUMMERY OF THE UTILITY MODEL
The utility model provides a basalt braided net rotational moulding shaping high gas cylinder structure need not follow-up cladding carbon fiber enhancement layer, wholly can adopt rotational moulding fashioned mode processing, simplifies the course of working, and the cost is lower.
The utility model adopts the technical proposal that the basalt braided net rotational molding high-gas cylinder structure comprises a gas cylinder body, wherein the gas cylinder body is provided with a rotational molding gas cylinder body; the gas cylinder comprises a gas cylinder body and is characterized in that the wall of the gas cylinder body comprises an inner PEX (high density polyethylene) layer I, a basalt layer I and an outer PEX layer II, the basalt layer I is fixedly constructed between the inner PEX layer I and the outer PEX layer II, and the inner PEX (high density polyethylene) layer I, the basalt layer I and the outer PEX layer II are sequentially arranged from the inside of the gas cylinder body to the outer surface of the gas cylinder body.
Preferably, the wall of the gas cylinder body of the basalt woven mesh rotational molding high-gas cylinder structure further comprises a PA layer, and the PA layer, the inner PEX (high density polyethylene) layer I, the basalt layer I and the outer PEX layer II are sequentially arranged from the inner wall of the gas cylinder body to the outer surface of the gas cylinder body.
Preferably, the cylinder wall of the gas cylinder body of the basalt woven mesh rotational molding high-gas cylinder structure further comprises a second basalt layer, a PA layer, the second basalt layer, a first inner-layer PEX (high-density polyethylene) layer, the first basalt layer and a second outer-layer PEX layer which are sequentially arranged from the inner wall of the gas cylinder body to the outer surface of the gas cylinder body; the second basalt layer is respectively fixed with the PA layer and the first inner PEX (high density polyethylene) layer relatively.
Preferably, the basalt braided mesh rotational molding high-gas cylinder structure is characterized in that an opening communicated with the inside of the gas cylinder body is formed in the end part of the gas cylinder body, the edge of the opening in the end part of the gas cylinder body extends in the direction away from the gas cylinder body and forms an annular cylinder opening, the cylinder opening is communicated with the inside of the gas cylinder body, and the cylinder opening and the gas cylinder body are integrally rotational molded; the annular outer side wall of the bottle mouth is provided with an annular convex ring, and the convex ring is sleeved on the bottle mouth and is coaxially arranged with the bottle mouth.
Preferably, the basalt woven mesh rotational molding high-gas cylinder structure is characterized in that a cylinder opening thread is arranged on the annular inner side wall of the cylinder opening, an annular limiting bulge is arranged inside one end, close to the cylinder body, of the cylinder opening ring, and the limiting bulge and the cylinder opening thread are arranged at intervals; the protruding ring, the bottle mouth thread, the limiting protrusion and the bottle mouth are integrally rotationally molded.
The application has the advantages that:
according to the technical scheme, in the rotational molding process of the high-pressure gas cylinder, basalt layers are arranged in the cylinder wall and the cylinder opening of the high-pressure gas cylinder, basalt layers are formed into basalt woven meshes after basalt is melted, drawn and woven, the tensile strength and the high temperature resistance which are several times that of conventional materials are achieved, the rotational molding is performed together with engineering plastics, and the molded rotational molding gas cylinder can resist high temperature and Mpa pressure. The basalt layer and the engineering plastic are rotationally molded together to form the high-pressure gas cylinder, and carbon fibers do not need to be wound and wrapped on the surface of the high-pressure gas cylinder, so that the processing process is simplified. The cost of the basalt woven mesh is lower than that of the carbon fiber belt, the process cost of the basalt woven mesh and engineering plastics for forming the high-pressure gas cylinder through rotational molding is lower than the processing cost of wrapping the carbon fibers, and therefore compared with the existing gas cylinder with a nonmetal liner and fully wound with fibers, the high-pressure gas cylinder is lower in cost.
Drawings
FIG. 1 is a schematic structural diagram of example 1 of the present application;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at B;
fig. 4 is an internal structure view of a bottle mouth in embodiment 2 of the present application.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in the figure, the utility model relates to a basalt braided mesh rotational moulding high-gas cylinder structure, which comprises a gas cylinder body, wherein the gas cylinder body is provided with a rotational moulding gas cylinder body 101; the wall of the gas cylinder body 101 comprises an inner PEX high-density polyethylene layer I3, a basalt layer I4 and an outer PEX layer II 5, the basalt layer I4 is fixedly constructed between the inner PEX layer I3 and the outer PEX layer II 5, and the inner PEX high-density polyethylene layer I3, the basalt layer I4 and the outer PEX layer II 5 are sequentially arranged from the inside of the gas cylinder body 101 to the outer surface of the gas cylinder body 101.
A bottle opening thread 9 is arranged on the annular inner side wall of the bottle opening 102, an annular limiting bulge 10 is arranged inside one end, close to the gas bottle body 101, of the ring of the bottle opening 102, and the limiting bulge 10 and the bottle opening thread 9 are arranged at intervals; the convex ring 8, the bottle mouth thread 9, the limiting bulge 10 and the bottle mouth 102 are integrally rotationally molded.
The bottle mouth thread 9 is used for internally connecting the metal bottle mouth of the outer assembly, and the limiting bulge 10 is used for positioning the depth of the metal bottle mouth and serving as a sealing surface. The bottle opening thread 9, the limiting bulge 10 and the gas bottle body are integrally rotationally molded.
Example 2
As shown in the figure, the utility model relates to a basalt braided mesh rotational moulding high gas cylinder structure, its gas cylinder body passes through rotational moulding, and the gas cylinder body comprises gas cylinder bottle 101 and bottleneck 102, and bottleneck 102 is located the both ends of gas cylinder bottle 101. A through hole is formed at the end of the gas cylinder body 101, one end of the bottle opening 102 is connected with the end of the gas cylinder body 101, and the opening at the end of the bottle opening 102 is opposite to the through hole at the end of the gas cylinder body 101, so that the bottle opening 102 is communicated with the inside of the gas cylinder body 101. The gas cylinder body 101 and the mouth 102 are integrally rotationally molded.
The wall of the gas cylinder body 101 comprises a first PEX high-density polyethylene layer 3 as an inner layer, a first basalt layer 4, a second PEX layer 5 as an outer layer, a second basalt layer 7 and a PA layer 6.
The PA layer 6, the second basalt layer 7, the first inner PEX layer 3, the first basalt layer 4 and the second outer PEX layer 5 are sequentially arranged from the inner wall of the gas cylinder body 101 to the outer surface of the gas cylinder body 101.
The PEX layer is made of high-density polyethylene and the PA layer is made of nylon.
After the bottle wall at the edge of the opening at the end of the gas bottle body 101 extends in the direction away from the gas bottle body 101, a bottle opening 102 is formed, so that the multilayer material of the bottle opening 102 is the same as that of the gas bottle body 101. Namely, the bottle mouth 102 is sequentially provided with a PA layer 6, a second basalt layer 7, a first inner PEX layer 3, a first basalt layer 4 and a second outer PEX layer 5 from the annular inner surface to the annular outer surface.
An annular bulge ring 8 is arranged on the annular outer side wall of the bottle mouth 102, and the bulge ring 8 is sleeved on the bottle mouth 102 and is coaxially arranged with the bottle mouth 102. The two convex rings 8 are arranged at intervals, and when the pipe is inserted on the bottle mouth 102, the pipe is clamped with the bottle mouth 102 through a hoop. The staple bolt can be installed between two protruding rings 8, and the card through protruding ring 8 hinders spacingly, prevents that the staple bolt pine from taking off.
The basalt layer in this embodiment is formed by laminating one or more layers of basalt woven mesh. And melting, drawing and weaving the basalt to form the basalt woven mesh. The basalt braided net has several times of tensile strength and high temperature resistance of conventional material, and can be rotationally molded together with engineering plastics, so that the formed rotationally molded gas cylinder can resist 185 deg.C and can bear 20MPa pressure.
The process for rotational molding of the high-gas cylinder by the wu-rock woven mesh in the embodiment is as follows:
1. opening the rotational molding die, adding PEX raw material, and closing the die;
2. the rotational molding die enters a heating chamber, the heating temperature is set to be 280 ℃, the time is 20min, and the rotation ratio is set to be 6;
3. cooling for 5min after heating and discharging the rotational molding die;
4. making the basalt woven mesh into a product outline shape;
5. opening the mould, putting the basalt braided net into the mould, and pressing to enable the basalt braided net to be fitted and fused into the wall thickness of the formed product;
6. adding PEX raw material, and closing the mould;
7. the rotational molding die enters a heating chamber, the heating temperature is set to be 280 ℃, the time is 20min, and the rotation ratio is set to be 6;
8. cooling for 5min after heating and discharging the rotational molding die;
9. making another basalt braided net into the product outline shape;
10, opening a mould, putting the basalt woven mesh after the step 9 into the mould, and pressing to enable the basalt woven mesh to be attached and fused into the wall thickness of the formed product;
11. then adding PA material and closing the mould.
12. The mold enters a heating chamber, the heating temperature is set to be 280 ℃, the time is 25min, and the rotation ratio is set to be 6.
13. And (5) after heating, discharging the die, and cooling for 20min.
14. And opening the mold to take out the molded product.
In the rotational molding process of the high-pressure gas cylinder, the basalt layer is arranged in the cylinder wall and the cylinder opening of the high-pressure gas cylinder, the basalt layer melts, wires are drawn and woven to form the basalt woven mesh, the tensile strength and the high temperature resistance which are several times of those of conventional materials are achieved, the basalt woven mesh is rotationally molded together with engineering plastics, and the molded rotational molding gas cylinder can resist 185-degree high temperature and 20MPa pressure. The basalt layer and the engineering plastic are rotationally molded together to form the high-pressure gas cylinder, and carbon fibers do not need to be wound and wrapped on the surface of the high-pressure gas cylinder, so that the processing process is simplified. The cost of the basalt woven mesh is lower than that of the carbon fiber belt, the process cost of the basalt woven mesh and engineering plastics for forming the high-pressure gas cylinder through rotational molding is lower than the processing cost of wrapping the carbon fibers, and therefore compared with the existing gas cylinder with a nonmetal liner and fully wound with fibers, the high-pressure gas cylinder is lower in cost.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.
Claims (5)
1. A basalt braided mesh rotational molding high-gas cylinder structure comprises a cylinder body, wherein the cylinder body is provided with a rotational molding cylinder body (101); the method is characterized in that: the gas cylinder body (101) is characterized in that the cylinder wall comprises an inner PEX (high density polyethylene) layer I (3), a basalt layer I (4) and an outer PEX layer II (5), the basalt layer I (4) is fixedly built between the inner PEX layer I (3) and the outer PEX layer II (5), and the inner PEX (high density polyethylene) layer I (3), the basalt layer I (4) and the outer PEX layer II (5) are sequentially arranged from the inside of the gas cylinder body (101) to the outer surface of the gas cylinder body (101).
2. The basalt braided mesh rotational molding high-gas cylinder structure according to claim 1, wherein: the wall of the gas cylinder body (101) further comprises a PA layer (6), and the PA layer (6), the inner PEX (high density polyethylene) layer I (3), the basalt layer I (4) and the outer PEX layer II (5) are sequentially arranged from the inner wall of the gas cylinder body (101) to the outer surface of the gas cylinder body (101).
3. The basalt braided mesh rotational molding high-gas cylinder structure according to claim 2, wherein: the wall of the gas cylinder body (101) further comprises a second basalt layer (7), a PA layer (6), the second basalt layer (7), a first PEX (high density polyethylene) layer (3) as an inner layer, a first basalt layer (4) and a second PEX layer (5) as an outer layer are sequentially arranged from the inner wall of the gas cylinder body (101) to the outer surface of the gas cylinder body (101); the second basalt layer (7) is relatively fixed with the PA layer (6) and the first inner layer PEX (high density polyethylene) layer (3) respectively.
4. The basalt braided mesh rotational molding high-gas cylinder structure according to claim 1, wherein: an opening communicated with the inside of the gas cylinder body (101) is formed in the end part of the gas cylinder body (101), the edge of the opening in the end part of the gas cylinder body (101) extends in the direction far away from the gas cylinder body (101) and forms an annular bottle opening (102), the bottle opening (102) is communicated with the inside of the gas cylinder body (101), and the bottle opening (102) and the gas cylinder body (101) are integrally formed in a rotational molding mode; an annular bulge ring (8) is arranged on the annular outer side wall of the bottle mouth (102), and the bulge ring (8) is sleeved on the bottle mouth (102) and is coaxially arranged with the bottle mouth (102).
5. The basalt braided mesh rotational molding high-gas cylinder structure according to claim 4, wherein: a bottle opening thread (9) is arranged on the annular inner side wall of the bottle opening (102), an annular limiting bulge (10) is arranged inside one end, close to the gas bottle body (101), of the ring of the bottle opening (102), and the limiting bulge (10) and the bottle opening thread (9) are arranged at intervals; the protruding ring (8), the bottle mouth thread (9), the limiting protrusion (10) and the bottle mouth (102) are integrally rotationally molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223195230.7U CN218645254U (en) | 2022-11-30 | 2022-11-30 | Basalt woven mesh rotational molding high-gas cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223195230.7U CN218645254U (en) | 2022-11-30 | 2022-11-30 | Basalt woven mesh rotational molding high-gas cylinder structure |
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| Publication Number | Publication Date |
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| CN218645254U true CN218645254U (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223195230.7U Active CN218645254U (en) | 2022-11-30 | 2022-11-30 | Basalt woven mesh rotational molding high-gas cylinder structure |
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