CN117432921A - Basalt fiber composite rib and preparation method thereof - Google Patents
Basalt fiber composite rib and preparation method thereof Download PDFInfo
- Publication number
- CN117432921A CN117432921A CN202311288198.3A CN202311288198A CN117432921A CN 117432921 A CN117432921 A CN 117432921A CN 202311288198 A CN202311288198 A CN 202311288198A CN 117432921 A CN117432921 A CN 117432921A
- Authority
- CN
- China
- Prior art keywords
- basalt fiber
- fiber composite
- basalt
- resin
- composite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 121
- 239000002131 composite material Substances 0.000 title claims abstract description 92
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 40
- 230000008595 infiltration Effects 0.000 claims description 11
- 238000001764 infiltration Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims 2
- 230000007547 defect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a basalt fiber composite bar and a preparation method thereof, which relate to the technical field of composite bars and comprise the following steps: the inner mandrel and the outer sleeve are sleeved outside the inner mandrel, and the outer sleeve and the inner mandrel are made of basalt fiber composite materials of different types. The invention also provides a preparation method of the basalt fiber composite bar, and the basalt fiber composite bar provided by the invention is divided into an inner mandrel and an outer sleeve, and the inner mandrel and the outer sleeve are respectively made of different types of basalt fiber composite materials, so that the basalt fiber composite bar has the performances of two types of basalt fiber composite materials, and further the defect that the basalt fiber composite bar has single performance caused by single resin is overcome, and the basalt fiber composite bar has better performance.
Description
Technical Field
The invention relates to the technical field of composite bars, in particular to a basalt fiber composite bar and a preparation method thereof.
Background
The existing basalt fiber composite bars are formed by combining single resin and basalt fibers, the performance of the basalt fiber composite bars is greatly influenced by the resin, the basalt fiber composite bars are often characterized by single characteristics of the resin, the performance is single, and the comprehensive advantages of the basalt fiber composite bars cannot be exerted.
Disclosure of Invention
The invention aims to provide a basalt fiber composite bar and a preparation method thereof, which are used for solving the problems in the prior art and overcoming the defect of single performance of the basalt fiber composite bar caused by single resin, so that the basalt fiber composite bar has better performance.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a basalt fiber composite bar, which comprises: the inner core shaft and the outer sleeve are sleeved outside the inner core shaft, and the outer sleeve and the inner core shaft are made of basalt fiber composite materials of different types.
Preferably, the basalt fiber composite material adopted for manufacturing the inner mandrel accounts for 90-95% in volume or mass.
Preferably, the basalt fiber composite material adopted for manufacturing the outer sleeve has high tensile strength, good wear resistance and good weather resistance;
the basalt fiber composite material adopted for manufacturing the inner mandrel has the advantages of light weight, high strength, good toughness and quick curing period.
Preferably, the basalt fiber composite material adopted for manufacturing the inner mandrel is a composite material of unsaturated resin and basalt fiber.
Preferably, the basalt fiber composite material adopted for manufacturing the outer sleeve is a composite material of epoxy resin and basalt fiber.
The invention also provides a preparation method of the basalt fiber composite bar, which comprises the following steps:
step one, preparing basalt fibers;
step two, preparing two different basalt fiber composite materials respectively;
preparing basalt fiber yarns by utilizing basalt fiber composite materials;
step four, winding into a bundle;
and fifthly, heating and solidifying.
Preferably, the method further comprises the step six: and (5) surface treatment.
Preferably, the first step includes: drawing basalt fibers out of the creel through a yarn drawing device;
the second step comprises the following steps: the basalt fibers are respectively immersed into the infiltration tanks filled with different resins, and fully contacted and mixed with the resins in the infiltration tanks; wherein 90% -95% of basalt fibers pass through a infiltration tank filled with a first resin, and 5% -10% of basalt fibers pass through a infiltration tank filled with a second resin to respectively form a first resin basalt fiber composite material and a second resin basalt fiber composite material;
the third step comprises the following steps: pultrusion of basalt fiber filaments is performed through a pultrusion device;
the fourth step comprises the following steps: the first resin basalt fiber yarn is uniformly sent to the inner layer of the stranding rotating shaft through a conveying device, the second resin basalt fiber yarn is uniformly sent to the outer layer of the stranding rotating shaft through the conveying device, and basalt fibers are wound into bundles through stranding equipment.
Compared with the prior art, the invention has the following technical effects:
the basalt fiber composite bar provided by the invention is divided into the inner core shaft and the outer sleeve, and the inner core shaft and the outer sleeve are respectively made of different types of basalt fiber composite materials, so that the basalt fiber composite bar has the performances of two types of basalt fiber composite materials, and further the defect of single performance of the basalt fiber composite bar caused by single resin is overcome, and the basalt fiber composite bar has better performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a basalt fiber composite bar provided by an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
in the figure: 1-an inner mandrel; 2-an outer sleeve; 3-basalt fiber composite bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a basalt fiber composite bar and a preparation method thereof, which are used for solving the problems in the prior art and overcoming the defect of single performance of the basalt fiber composite bar caused by single resin, so that the basalt fiber composite bar has better performance.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The embodiment of the invention provides a basalt fiber composite bar 3, as shown in fig. 1-2, comprising: the inner mandrel 1 and the outer sleeve 2 are sleeved outside the inner mandrel 1, and the outer sleeve 2 and the inner mandrel 1 are made of basalt fiber composite materials of different types.
The basalt fiber composite bar 3 provided by the embodiment of the invention is divided into the inner mandrel 1 and the outer sleeve 2, and the inner mandrel 1 and the outer sleeve are respectively made of different types of basalt fiber composite materials, so that the basalt fiber composite bar 3 has the performances of two types of basalt fiber composite materials, the defect that the basalt fiber composite bar 3 is single in performance caused by single resin is overcome, and the basalt fiber composite bar 3 has better performance.
The basalt fiber composite rib 3 provided by the embodiment of the invention only needs to meet the condition that the basalt fiber composite rib 3 is divided into the inner mandrel 1 and the outer sleeve 2, and the inner mandrel 1 and the outer sleeve are respectively made of different types of basalt fiber composite materials, so that the types of concrete basalt fiber composite materials can be freely selected according to the needs of people, for example, the basalt fiber composite materials formed by impregnating basalt fibers with different resins have completely different performances due to different types of resins.
When selecting materials, selecting materials with complementary performances as far as possible, for example, adopting basalt fiber composite materials with high tensile strength, good wear resistance and good weather resistance as the outer sleeve 2; the inner mandrel 1 is made of basalt fiber composite material with light weight, high strength, good toughness and quick curing period.
The existing basalt fiber composite rib made of single material is easy to cause the problems of insufficient toughness, insufficient resin durability or higher cost of the composite rib, and is limited in engineering use.
In order to solve the problems, in order to achieve the purposes of high tensile strength, good wear resistance and good weather resistance of the outer sleeve 2, the outer sleeve 2 can be made of a composite material of epoxy resin and basalt fiber.
In order to achieve the purposes of light weight, high strength, good toughness and quick curing period of the inner mandrel 1, the inner mandrel 1 can be made of a composite material of unsaturated resin and basalt fiber.
The outer sleeve 2 plays a role in protecting the inner mandrel 1, so that the volume and the mass of the outer sleeve 2 are far smaller than those of the inner mandrel 1, and therefore, the volume or the mass ratio of basalt fiber composite materials adopted for manufacturing the inner mandrel 1 in the embodiment of the invention is 90-95%, namely, the volume or the mass ratio of basalt fiber composite materials adopted by the outer sleeve 2 is 5-10%.
In this embodiment, the proportion of the materials occupied by the outer sleeve 2 and the inner mandrel 1 and the types of the resin can be determined according to the actual demands of people and the requirements of specific applications, for example, when the outer sleeve is used in an outdoor environment with a severe environment, the duty ratio of the outer sleeve 2 can be properly increased, so that the weather-proof property of the outer sleeve is improved, and when the outer sleeve is used in an indoor building, the duty ratio of the inner mandrel 1 can be properly increased when the outer sleeve is used in an indoor building and the requirements on the strength and toughness of the inner sleeve are higher.
Example two
The embodiment of the invention provides a preparation method of basalt fiber composite bar 3, which comprises the following steps:
step one, preparing basalt fibers; wherein basalt fibers are extracted from the creel through the yarn extracting device;
step two, preparing two different basalt fiber composite materials respectively; the basalt fibers are respectively immersed into infiltration tanks filled with different resins and fully contacted and mixed with the resins in the infiltration tanks; wherein 90% -95% of basalt fibers pass through a soaking tank filled with a first resin, and 5% -10% of basalt fibers pass through a soaking tank filled with a second resin to respectively form a first resin basalt fiber composite material and a second resin basalt fiber composite material;
preparing basalt fiber yarns by utilizing basalt fiber composite materials; wherein basalt fiber filaments are pultruded through a pultrusion device;
step four, winding into a bundle; the first resin basalt fiber yarn is uniformly sent to the inner layer of the stranding rotating shaft through a conveying device, the second resin basalt fiber yarn is uniformly sent to the outer layer of the stranding rotating shaft through the conveying device, and basalt fibers are wound into bundles through stranding equipment.
And fifthly, heating and solidifying. The heating temperature is about 200 ℃.
In some embodiments, the method further comprises step six: and (5) surface treatment.
The resin in the infiltration tank is doped with a certain amount of curing agent.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. The basalt fiber composite bar is characterized in that: comprising the following steps: the inner core shaft and the outer sleeve are sleeved outside the inner core shaft, and the outer sleeve and the inner core shaft are made of basalt fiber composite materials of different types.
2. The basalt fiber composite tendon according to claim 1, wherein: the volume or mass ratio of the basalt fiber composite material adopted for manufacturing the inner mandrel is 90-95%.
3. The basalt fiber composite tendon according to claim 1, wherein: the basalt fiber composite material adopted for manufacturing the outer sleeve has high tensile strength, good wear resistance and good weather resistance;
the basalt fiber composite material adopted for manufacturing the inner mandrel has the advantages of light weight, high strength, good toughness and quick curing period.
4. A basalt fiber composite filament according to claim 3, wherein: the basalt fiber composite material adopted for manufacturing the inner mandrel is a composite material of unsaturated resin and basalt fiber.
5. A basalt fiber composite filament according to claim 3, wherein: the basalt fiber composite material adopted for manufacturing the outer sleeve is a composite material of epoxy resin and basalt fiber.
6. A preparation method of basalt fiber composite bars is characterized in that: comprising the following steps:
step one, preparing basalt fibers;
step two, preparing two different basalt fiber composite materials respectively;
preparing basalt fiber yarns by utilizing basalt fiber composite materials;
step four, winding into a bundle;
and fifthly, heating and solidifying.
7. The method for preparing basalt fiber composite bar according to claim 6, wherein: the method further comprises the step six of: and (5) surface treatment.
8. The method for preparing basalt fiber composite bar according to claim 6, wherein: the first step comprises the following steps: drawing basalt fibers out of the creel through a yarn drawing device;
the second step comprises the following steps: the basalt fibers are respectively immersed into the infiltration tanks filled with different resins, and fully contacted and mixed with the resins in the infiltration tanks; wherein 90% -95% of basalt fibers pass through a infiltration tank filled with a first resin, and 5% -10% of basalt fibers pass through a infiltration tank filled with a second resin to respectively form a first resin basalt fiber composite material and a second resin basalt fiber composite material;
the third step comprises the following steps: pultrusion of basalt fiber filaments is performed through a pultrusion device;
the fourth step comprises the following steps: the first resin basalt fiber yarn is uniformly sent to the inner layer of the stranding rotating shaft through a conveying device, the second resin basalt fiber yarn is uniformly sent to the outer layer of the stranding rotating shaft through the conveying device, and basalt fibers are wound into bundles through stranding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311288198.3A CN117432921A (en) | 2023-10-07 | 2023-10-07 | Basalt fiber composite rib and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311288198.3A CN117432921A (en) | 2023-10-07 | 2023-10-07 | Basalt fiber composite rib and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117432921A true CN117432921A (en) | 2024-01-23 |
Family
ID=89554470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311288198.3A Pending CN117432921A (en) | 2023-10-07 | 2023-10-07 | Basalt fiber composite rib and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117432921A (en) |
-
2023
- 2023-10-07 CN CN202311288198.3A patent/CN117432921A/en active Pending
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