CN114383037B - Preparation method of carbon fiber composite material air cylinder - Google Patents
Preparation method of carbon fiber composite material air cylinder Download PDFInfo
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- CN114383037B CN114383037B CN202111585221.6A CN202111585221A CN114383037B CN 114383037 B CN114383037 B CN 114383037B CN 202111585221 A CN202111585221 A CN 202111585221A CN 114383037 B CN114383037 B CN 114383037B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/12—Vessels not under pressure with provision for protection against corrosion, e.g. due to gaseous acid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/066—Plastics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/0663—Synthetics in form of fibers or filaments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2127—Moulding by blowing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2154—Winding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/219—Working processes for non metal materials, e.g. extruding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
- F17C2209/227—Assembling processes by adhesive means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/031—Air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/012—Reducing weight
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The preparation method of the carbon fiber composite material air cylinder comprises the steps of inner container manufacturing, pressure bearing layer manufacturing, protective layer manufacturing, curing and forming, handle mounting, surface treatment and the like. The inner container and the tube seat are formed together through one-step blow molding, then the bearing layer and the protective layer are sequentially wound on the outer side of the inner container, the tube seat is provided with the spikes which can smoothly slide continuous fibers to the two sides of the tube seat during winding, so that the process continuity is realized, the glued handle is polished after the composite material layer is solidified, and the handle is subjected to manual pasting reinforcement. Compared with the traditional metal air cylinder, the weight reducing effect is obvious, the installation is more convenient, the vibration damage to the installation hanging seat is small, the process flow is short, the production efficiency is high, and the locomotive can be used in various environments.
Description
Technical Field
The invention relates to a preparation technology of a wind cylinder, in particular to a preparation method of a carbon fiber composite wind cylinder.
Background
Along with the requirements of energy conservation, emission reduction and continuous speed increasing, a lightweight technology becomes an urgent need in the field of rail transit. The air cylinder is used as a low-pressure and low-temperature storage and transportation container, bears the normal air supply of the whole locomotive and even trains, the electric locomotive is generally provided with 2-5 electric locomotives according to different vehicle types, the working pressure is 0.9MPa, the working pressure is not large, the volume is large, the locomotive is severely impacted and vibrated when running, and strict quality control is needed when manufacturing. The traditional air cylinder is generally made of 16MnDR steel for low-temperature pressure containers, and is formed by assembling and welding a cylinder body and two end sealing heads, wherein the single weight of the air cylinder is about 35kg. The manufacturing process generally comprises the steps of barrel body, material inspection, material preparation (laser blanking), beveling by a planer, rolling, welding of a longitudinal welding line guiding and protecting plate, automatic welding, X-ray flaw detection, rounding, barrel body and end socket assembly, flange and water draining racing gate seat assembly, automatic welding, hydraulic test, inspection, paint, warehouse entry and the like. The welding machine is influenced by factors such as polishing degree, welding gun angle, welding parameters, assembly clearance, welding substrate surface cleanliness, worker proficiency and the like, undercut welding defects often appear on the welding surface, defects such as unfused welding and air hole welding often appear in the welding surface, percent yield is difficult to reach even though special welding equipment is used, the weight is heavy, fatigue vibration damage of hanging equipment is easy to cause, the installation is inconvenient, and the problems such as paint spraying treatment and periodic maintenance are required.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art, and provides a preparation method of a carbon fiber composite material air cylinder with strong designability and easiness in processing.
The technical problem to be solved by the invention is realized by the following technical scheme, and the preparation method of the carbon fiber composite material air cylinder is characterized by comprising the following steps of:
the carbon fiber composite material air cylinder consists of an inner container, a tube seat, a composite material layer and a handle, wherein the composite material layer can be divided into a pressure bearing layer and a protective layer from inside to outside, and the preparation steps are as follows:
1) Manufacturing an inner container, and forming the tube seat and the plastic inner container together by adopting a blow molding process;
2) The manufacturing of the bearing layer adopts a gate type four-dimensional winding device, takes continuous carbon fiber as a main raw material, and winds the composite material bearing layer with certain thickness and angle on the outer side of the liner in a wet impregnation, prepreg wire or prepreg tape mode;
3) The manufacturing of the protective layer adopts a gate type four-dimensional winding device, continuous glass fiber is used as a main raw material, and a composite material protective layer with a certain thickness is wound outside the pressure bearing layer in a wet impregnation, prepreg wire or prepreg tape mode;
4) Curing and forming, namely curing the wound pressure-bearing layer and the wound protective layer for a long time at room temperature or heating and rapidly curing to enable the composite material layer to reach enough strength;
5) The method comprises the steps of mounting a handle, firstly, locally roughening the surfaces of the handle and a protection layer correspondingly mounted, then wiping the roughened surfaces clean by using acetone, coating a bi-component epoxy structural adhesive on the dried surfaces, butting the surfaces together, fixing the surfaces by using an adhesive tape, and pasting a glass fiber composite material layer with a certain thickness on the outer side of a flange of the handle after the surfaces are fixed;
6) And (3) carrying out surface treatment, namely polishing, spraying paint and labeling the surface of the air cylinder according to product identification and appearance requirements.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the inner container is made of plastic material, and can be any one of semi-crystalline plastics such as high density polyethylene, polyethylene terephthalate, polyphenylene sulfide, polyoxymethylene and the like, and is formed by one-step molding through a blow molding process, the tube seat is of a structure with internal threads and a root flange, the flange is provided with a groove and other modeling, the flange structure is embedded into the inner container to form a mutual engagement effect, and the tube seat is integrally molded during the inner container molding.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the tube seat is made of metal material and can be any one of carbon steel, stainless steel, copper, aluminum alloy, titanium alloy and other metal materials.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the pressure-bearing layer is made of carbon fiber composite material, and can be one or more than two of glass fiber composite material, basalt fiber composite material, quartz fiber composite material or aramid fiber composite material.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and the protective layer material can be any one of glass fiber, basalt fiber, quartz fiber, aramid fiber or high-strength polyethylene fiber composite material.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the outer side of the tube seat at the side wall of the inner container is in threaded connection with the tapered spike, and when the pressure-bearing layer and the protective layer are wound, the continuous fibers can be smoothly separated by the spike and slide to the two sides of the tube seat, so that the fiber bridging to the tube seat is not caused, and the process continuity is realized.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the handle is made of metal or composite material, is formed by processing the handle independently, is designed with a flange at the root, is adhered to the protective layer in an adhesive mode, and is pasted with a glass fiber composite material layer with a certain thickness outside the flange to further improve the connection strength.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the wall thickness of the liner is 0.5-3 mm, the wall thickness of the bearing layer is 1-3 mm, and the wall thickness of the protective layer is 0.5-2 mm.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the inner container is made of plastic or any one of carbon steel, stainless steel, copper, aluminum alloy, titanium alloy and other metal materials, and when the inner container is made of metal materials, the tube seat is made of the same material and is connected with the inner container in a welding mode.
The technical problem to be solved by the invention can be further solved by the following technical scheme that the adhesive for gluing is a bi-component epoxy structural adhesive, the room temperature curing requirement can be met, the thickness of the glass fiber composite material layer of the hand lay-up is between 0.5 and 2mm, and the diameter of the glass fiber composite material layer of the hand lay-up is 1.5 to 3 times that of the flange of the handle.
Compared with the prior art, the carbon fiber composite material air cylinder has the characteristics of light weight, no rust, corrosion resistance, high and low temperature resistance, good fatigue resistance and the like, has obvious weight reduction effect compared with the traditional metal air cylinder, is more convenient to install, has small vibration damage to the installation hanging seat, has short process flow and high production efficiency, can be used for locomotives in various environments, and is suitable for large-scale popularization.
Drawings
FIG. 1 is a cross-sectional view of a carbon fiber reservoir;
FIG. 2 is a schematic diagram of a header location;
FIG. 3 is a schematic view of the handle position.
Description of the embodiments
The following further describes the specific technical solutions of the present invention, so that the purpose, technical solutions and advantages of the embodiments of the present invention will be more apparent to those skilled in the art to further understand the present invention, and the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments, but not limitations on the claims thereof. 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.
As shown in the figure: 1-inner container, 2-tube seat, 3-1-bearing layer, 3-2-protective layer and 4-handle.
A preparation method of a carbon fiber composite material air cylinder,
the carbon fiber composite material air cylinder consists of an inner container 1, an air tube seat 2, a composite material layer 3 and a handle 4, wherein the composite material layer 3 can be divided into a pressure bearing layer 3-1 and a protective layer 3-2 from inside to outside, and the preparation steps are as follows:
1) Manufacturing an inner container, and forming the tube seat and the plastic inner container together by adopting a blow molding process;
2) The manufacturing of the bearing layer adopts a gate type four-dimensional winding device, takes continuous carbon fiber as a main raw material, and winds the composite material bearing layer with certain thickness and angle on the outer side of the liner in a wet impregnation, prepreg wire or prepreg tape mode;
3) The manufacturing of the protective layer adopts a gate type four-dimensional winding device, continuous glass fiber is used as a main raw material, and a composite material protective layer with a certain thickness is wound outside the pressure bearing layer in a wet impregnation, prepreg wire or prepreg tape mode;
4) Curing and forming, namely curing the wound pressure-bearing layer and the wound protective layer for a long time at room temperature or heating and rapidly curing to enable the composite material layer to reach enough strength;
5) The method comprises the steps of mounting a handle, firstly, locally roughening the surfaces of the handle and a protection layer correspondingly mounted, then wiping the roughened surfaces clean by using acetone, coating a bi-component epoxy structural adhesive on the dried surfaces, butting the surfaces together, fixing the surfaces by using an adhesive tape, and pasting a glass fiber composite material layer with a certain thickness on the outer side of a flange of the handle after the surfaces are fixed;
6) And (3) carrying out surface treatment, namely polishing, spraying paint and labeling the surface of the air cylinder according to product identification and appearance requirements.
The inner container is made of plastic, and can be any one of semi-crystalline plastics such as high-density polyethylene, polyethylene terephthalate, polyphenylene sulfide, polyoxymethylene and the like, the inner container is formed by one-step molding through a blow molding process, the tube seat is of a structure with internal threads and a root flange, the flange is provided with a groove and other modeling, the flange structure is embedded into the inner container to form a mutual engagement effect, and the tube seat is integrally molded during the inner container molding.
The tube seat is made of metal and can be any one of carbon steel, stainless steel, copper, aluminum alloy, titanium alloy and other metal materials.
The pressure bearing layer is preferably made of a carbon fiber composite material, and can be one or a combination of more than two of a glass fiber composite material, a basalt fiber composite material, a quartz fiber composite material and an aramid fiber composite material.
The protective layer material can be any one of glass fiber, basalt fiber, quartz fiber, aramid fiber or high-strength polyethylene fiber composite material.
The outside of the tube seat at the side wall of the inner container is in threaded connection with a taper spike, and when the pressure-bearing layer and the protective layer are wound, continuous fibers can be smoothly separated by the spike and slide to two sides of the tube seat, so that a fiber bridge is not caused to the tube seat, and the continuity of a process is realized.
The handle is made of metal or composite materials and is formed by processing alone, the root of the handle is provided with a flange, the flange is adhered to the protective layer in an adhesive mode, and a glass fiber composite material layer with a certain thickness is pasted outside the flange by hand to further improve the connection strength.
The wall thickness of the liner is 0.5-3 mm, the wall thickness of the bearing layer is 1-3 mm, and the wall thickness of the protective layer is 0.5-2 mm.
The inner container can be made of plastic or any one of carbon steel, stainless steel, copper, aluminum alloy, titanium alloy and other metal materials, and when the inner container is made of metal materials, the tube seat is made of the same materials and is connected with the inner container in a welding mode.
The adhesive for gluing is a bi-component epoxy structural adhesive, can meet the requirement of room temperature curing, has the thickness of a glass fiber composite material layer of hand lay-up between 0.5 and 2mm, and has the diameter which is 1.5 to 3 times that of a handle flange.
The inner container plays an airtight role, the bearing layer of the carbon fiber composite plays a main bearing role, and the protective layer plays an abrasion-resistant and collision-resistant role.
The carbon fiber composite material is the first choice of lightweight structural materials due to the characteristics of excellent high specific strength and high specific modulus, light weight, corrosion resistance, fatigue resistance, strong designability, easy processing and the like, and is widely applied to the fields of military industry, aerospace and the like, and is the first choice of pressure vessel. Therefore, a novel carbon fiber composite material air cylinder is necessary to be provided so as to solve the defects and the shortcomings of the traditional metal air cylinder, thereby promoting the continuous progress of the technology in the rail transit field in China.
Claims (7)
1. A preparation method of a carbon fiber composite material air cylinder is characterized by comprising the following steps:
the carbon fiber composite material air cylinder consists of an inner container, a tube seat, a composite material layer and a handle, wherein the composite material layer is divided into a pressure bearing layer and a protective layer from inside to outside, and the preparation steps are as follows:
manufacturing an inner container, and forming the tube seat and the plastic inner container together by adopting a blow molding process;
the manufacturing of the bearing layer adopts a gate type four-dimensional winding device, takes continuous carbon fiber as a main raw material, and winds the composite material bearing layer on the outer side of the liner in a wet impregnation, prepreg wire or prepreg tape mode;
the manufacturing of the protective layer adopts a gate type four-dimensional winding device, takes continuous glass fiber as a main raw material, and winds the composite protective layer outside the pressure bearing layer in a wet impregnation, prepreg wire or prepreg tape mode;
curing and forming, namely curing the wound pressure-bearing layer and the wound protective layer for a long time at room temperature or heating and rapidly curing to enable the composite material layer to reach enough strength;
the method comprises the steps of mounting a handle, firstly, locally roughening the surfaces of the handle and a protection layer correspondingly mounted, then wiping the roughened surfaces clean by using acetone, coating a bi-component epoxy structural adhesive on the dried surfaces, butting the surfaces together, fixing the surfaces by using an adhesive tape, and pasting a glass fiber composite material layer with a certain thickness on the outer side of a flange of the handle after the surfaces are fixed;
surface treatment, namely polishing, spraying paint and labeling the surface of the air cylinder according to product identification and appearance requirements;
the inner container is made of any one of high-density polyethylene, polyethylene terephthalate, polyphenylene sulfide and polyoxymethylene, is formed by one-step molding through a blow molding process, the tube seat is of a structure with internal threads and a root flange, grooves are designed on the flange, the flange structure is embedded into the inner container to form a mutual engagement effect, and the tube seat is integrally molded during the inner container molding;
the outside of the tube seat at the side wall of the inner container is in threaded connection with a taper spike, and when the pressure-bearing layer and the protective layer are wound, continuous fibers can be smoothly separated by the spike and slide to two sides of the tube seat, so that a fiber bridge is not caused to the tube seat, and the continuity of a process is realized.
2. The method for manufacturing the carbon fiber composite material air cylinder according to claim 1, wherein: the tube seat is made of metal and is any one of carbon steel, stainless steel, copper, aluminum alloy and titanium alloy.
3. The method for manufacturing the carbon fiber composite material air cylinder according to claim 1, wherein: the pressure bearing layer is one or more than two of carbon fiber composite material, glass fiber composite material, basalt fiber composite material, quartz fiber composite material or aramid fiber composite material.
4. The method for manufacturing the carbon fiber composite material air cylinder according to claim 1, wherein: the protective layer is made of any one of glass fiber, basalt fiber, quartz fiber, aramid fiber or high-strength polyethylene fiber composite material.
5. The method for manufacturing the carbon fiber composite material air cylinder according to claim 1, wherein: the handle is made of metal or composite materials and is formed by processing alone, the root part of the handle is provided with a flange, the flange is adhered to the protective layer in an adhesive mode, and a glass fiber composite material layer is pasted outside the flange to further improve the connection strength.
6. The method for manufacturing the carbon fiber composite material air cylinder according to claim 1, wherein: the wall thickness of the liner is 0.5-3 mm, the wall thickness of the bearing layer is 1-3 mm, and the wall thickness of the protective layer is 0.5-2 mm.
7. The method for manufacturing the carbon fiber composite material air cylinder according to claim 5, wherein: the adhesive for gluing is a bi-component epoxy structural adhesive, can meet the requirement of room temperature curing, has the thickness of a glass fiber composite material layer of hand lay-up between 0.5 and 2mm, and has the diameter which is 1.5 to 3 times that of a handle flange.
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| CN114383037A (en) | 2022-04-22 |
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