CN106705748A - Carbon fiber composite barrel containing metal liner and cold assembly manufacturing method of carbon fiber composite barrel - Google Patents
Carbon fiber composite barrel containing metal liner and cold assembly manufacturing method of carbon fiber composite barrel Download PDFInfo
- Publication number
- CN106705748A CN106705748A CN201611182905.0A CN201611182905A CN106705748A CN 106705748 A CN106705748 A CN 106705748A CN 201611182905 A CN201611182905 A CN 201611182905A CN 106705748 A CN106705748 A CN 106705748A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- metal
- inner lining
- fiber composite
- metal inner
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/02—Composite barrels, i.e. barrels having multiple layers, e.g. of different materials
- F41A21/04—Barrel liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/20—Barrels or gun tubes characterised by the material
Abstract
The invention relates to a carbon fiber composite barrel containing a metal liner and a cold assembly manufacturing method of the carbon fiber composite barrel. The barrel comprises the metal liner, a metal tail pipe, a metal end pipe and a carbon fiber composite layer. The metal tail pipe and the metal end pipe are connected with the head end and the tail end of the metal liner correspondingly. The periphery of the metal liner is sleeved with the carbon fiber composite layer in a penetrating mode, and the carbon fiber composite layer tends to press the metal liner circumferentially. A sectional assembly design mode is adopted for the barrel of the structure, the weight of each section of the barrel can be lowered, and a soldier can carry the barrel conveniently. In addition, the carbon fiber composite layer has circumferential prestress on the metal liner and subjected to circumferential tensile stress, the metal line is subjected to circumferential pressure stress, the carbon fiber composite layer makes contact with the metal liner more tightly, and the pressure and load bearing capacity of the barrel is improved.
Description
Technical field
Contain metal inner lining carbon fibre composite pressure-bearing barrel configuration and corresponding manufacture method the present invention relates to one kind.
Background technology
The features such as demand for development future weaponry of modern military technology has light, motor-driven, flexible fast reaction, because
This must Devoting Major Efforts To Developing new structure and functional material.Wherein fibrous composite have lightweight, high-strength, not corrosion, it is corrosion-resistant,
The advantages of endurance and good designability, be the class new material being most widely used at present.But fibrous composite is anti-
Ablation ability and seal are poor, so the general inwall additional layer metal material in fibrous composite launching tube, this
Not only light weight, designability are strong for fibrous composite launching tube containing metal inner lining, also with good sealing, can meet
Various weapon platforms are with a wide range of applications to the use requirement of launching tube.The transmitting stack shell that army of current China uses
Pipe is still made using all-metal, and overweight launching tube inconvenience soldier carries, and the flexible property of operation is also poor.
If directly winding carbon fibre composite in metal inner lining outer surface to make barrel, some are there is also technical
Deficiency:
One：The composite layer of metal inner lining outer surface winding needs hot setting, if using Thermocurable polyimide tree
Fat, up to more than 300 degree, under solidification temperature so high, metal inner lining is expanded solidification temperature, and the carbon of outer surface is fine
Dimension composite layer is not expanded substantially to temperature-insensitive under high temperature, winds outer surface after metal inner lining thermal expansion
Carbon fiber composite layer is strutted, and after solidification cooling, metal inner lining shrinks, easily in composite layer and metal inner lining circle
Face produces gap, occurs to combine untight situation, causes carbon fiber composite layer to play reinforcing barrel ring intensity
Effect.
Secondly：The modulus of metal inner lining is generally 200GPa, and yield strength is 1280MPa, and carbon fiber (T800) is compound
Material layer ring modulus is generally less than the modulus of metal, and generally 180GPa, intensity is 3000MPa or so, because composite
Ring modulus be less than metal inner lining, so in live ammunition, the circumference stress on composite layer is less than on metal inner lining
Circumference stress it is farther far below its own intensity, cause the waste of material.
The content of the invention
The technical problems to be solved by the invention are directed to a kind of above-mentioned carbon fiber containing metal inner lining of prior art offer and answer
The barrel configuration and its cold setting manufacture method of condensation material, improve metal inner lining and the carbon fiber composite layer as reinforcing member
Between contact compactness.Carbon fiber composite layer is set to produce ring pressure to answer to metal inner lining using special cold machining process
Power, and carbon fiber composite layer ring produces tension.When transmitting produces gun pressure high, the ring compression of metal inner lining will
The huge tension that part powder gases bring is offset, so as to improve the force-bearing situation of metal inner lining.If had in inner liner metal
Blind crack is present, and due to the presence of compression, can delay its evolution, so as to improve fatigue behaviour.
The present invention the used technical scheme that solves the above problems is：A kind of body containing metal inner lining carbon fibre composite
Pipe, including metal inner lining, metal end pipe, metal connecting tube and carbon fiber composite layer, pass through institute between adjacent metal liner
The metal connecting tube connection stated, metal end pipe is connected the head and the tail end of metal inner lining respectively, and the carbon fiber composite layer is worn
The metal inner lining periphery is enclosed within, and there is the carbon fiber composite layer ring to compress the trend of the metal inner lining.
The two ends that the metal inner lining is exposed to outside carbon fiber composite layer are provided with connection screw thread, the metal inner lining
It is threadedly coupled between the metal connecting tube or metal end pipe reinforced without carbon fiber composite layer.
The technical scheme that another technical problem of present invention solution is used is to provide a kind of above-mentioned carbon containing metal inner lining of manufacture
The cold charge method of completing the square of fibrous composite barrel, improves the metal inner lining compactness of the contact between carbon fiber composite layer, tool
Body is first, to prepare metal inner lining and carbon fiber composite layer, and carbon fiber composite layer, machine are made using winding process
Tool processing and fabricating metal inner lining, and metal inner lining external diameter more than carbon fiber composite layer internal diameter, carbon fibre composite
The size magnitude of interference that assembling is worn between layer and metal inner lining is 0.1mm~0.2mm；Then, metal inner lining is individually immersed into liquid nitrogen
Middle cooling, chilling temperature is -205 DEG C~-195 DEG C, cools down 10~15min, takes out metal inner lining measurement external diameter, works as metal inner lining
When reduced diameter is to the gap between carbon fiber composite layer internal diameter for 0.12mm~0.2mm, by carbon fiber composite layer
Metal inner lining periphery is set in, and is balanced in being stood under nature；Finally by the ready-made carbon fiber composite layer of being cased with
Metal inner lining is assembled with metal connecting tube and metal end pipe respectively, as barrel.
Compared with prior art, the present invention has following features：
1st, the respective metal liner that the present invention is developed, is convenient for the cold setting with carbon fiber composite layer, again convenient logical
Cross threaded connection and wind footing without carbon fibre composite with breech and support etc. and be connected.This barrel segment design side
Formula, can mitigate the weight of every section of barrel, be easy to soldier to carry.
2nd, the present invention proposes a kind of barrel of carbon fibre composite containing metal inner lining and its cold setting manufacture method, using gold
There is the characteristic of temporary contraction in category liner, the carbon fiber composite layer after assembling is produced metal inner lining under cryogenic
Raw ring orientation prestress, carbon fiber composite layer is subject to a ring tension, and metal inner lining is subject to a ring compression,
So that both contacts are even closer.Corresponding barrel in the case where being used as gun barrel, when transmitting make to be produced in gun barrel it is high
During gun pressure, the ring compression that metal inner lining is subject to will offset the huge tension that part powder gases bring, so as to improve gold
Belong to the force-bearing situation of liner.If with the presence of blind crack in metal inner lining, due to the presence of compression, it can be delayed to send out
Exhibition process, so as to improve the fatigue performance of barrel.
3rd, barrel of the invention can make carbon fiber composite layer more undertake ring pressure-bearing load, give full play to carbon
The advantage of fibrous composite high intensity, makes whole barrel configuration stress more reasonable.Use low trade mark low modulus（For example
T700 grades）Carbon fiber carries out being possibly realized property of reinforcing, improves the economy of product.
Brief description of the drawings
Fig. 1 is the structural representation of barrel rear end in the embodiment of the present invention；
Fig. 2 is the structural representation of barrel front end in the embodiment of the present invention；
Fig. 3 is the assembling schematic diagram of metal inner lining and carbon fiber composite layer in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 3, the barrel of carbon fibre composite containing metal inner lining in the present embodiment, can be used as launching gun barrel
Use, including metal inner lining 2, metal end pipe, metal connecting tube 4 and carbon fiber composite layer 3, between adjacent metal liner 2
Connected by metal connecting tube 4, metal end pipe is connected the head and the tail end of metal inner lining 2 respectively, carbon fiber composite layer 3 wears
In the periphery of metal inner lining 2, and carbon fiber composite layer 3 compresses the trend of the metal inner lining 2 with ring.In the present embodiment
Metal end pipe include barrel afterbody simple metal part 1 and barrel head simple metal part 5
The two ends that metal inner lining 2 is exposed to outside carbon fiber composite layer 3 are provided with connection screw thread, metal inner lining 2 respectively with nothing
Need metal connecting tube 4, barrel afterbody simple metal part 1 and barrel head simple metal part 5 that carbon fiber composite layer is reinforced
Threaded connection.
The barrel of said structure employs the design of sectional, can mitigate the weight of every section of barrel, is easy to soldier
Carry.In addition, carbon fiber composite layer produces ring orientation prestress, carbon fiber composite layer to be subject to a ring to metal inner lining
To tension, and metal inner lining is subject to a ring compression, so that both contacts are even closer.
The manufacturing process of above-mentioned barrel is specifically, first, prepare metal inner lining and carbon fiber composite layer, using winding
Technique makes carbon fiber composite layer, and machining makes metal inner lining, and the external diameter of metal inner lining is compound more than carbon fiber
The internal diameter of material layer, the size magnitude of interference that assembling is worn between carbon fiber composite layer and metal inner lining is 0.1mm~0.2mm；
Then, metal inner lining is individually immersed in liquid nitrogen and is cooled down, chilling temperature is -205 DEG C~-195 DEG C, cools down 10~15min, is taken out
Metal inner lining measure external diameter, when metal inner lining reduced diameter to the gap between carbon fiber composite layer internal diameter be 0.12mm~
During 0.2mm, carbon fiber composite layer is set in metal inner lining periphery, and balance in being stood under nature；To finally do
The good metal inner lining for being cased with carbon fiber composite layer is assembled with metal connecting tube and metal end pipe respectively, as body
Pipe.
There is the characteristic of temporary contraction in above-mentioned cold machining process, after making assembling under cryogenic using metal inner lining
Carbon fiber composite layer produces ring orientation prestress, carbon fiber composite layer to be subject to a ring tension to metal inner lining,
And metal inner lining is subject to a ring compression, so that both contacts are even closer, so as to improve the stress shape of metal inner lining
Condition.
Claims (3)
1. a kind of barrel containing metal inner lining carbon fibre composite, it is characterised in that：Including metal inner lining, metal end pipe, gold
Category connecting tube and carbon fiber composite layer, are connected, metal end pipe between adjacent metal liner by described metal connecting tube
It is connected the head and the tail end of metal inner lining respectively, the carbon fiber composite layer is set on the metal inner lining periphery, and institute
State the trend that there is carbon fiber composite layer ring to compress the metal inner lining.
2. the barrel containing metal inner lining carbon fibre composite according to claim 1, it is characterised in that：In the metal
The two ends that are exposed to outside carbon fiber composite layer of lining are provided with connection screw thread, the metal inner lining and the metal connecting tube or
It is threadedly coupled between person's metal end pipe.
3. the cold charge method of completing the square of the barrel of metal inner lining carbon fibre composite, its feature are contained described in a kind of manufacturing claims 1
It is：First, prepare metal inner lining and carbon fiber composite layer, carbon fiber composite layer, machine are made using winding process
Tool processing and fabricating metal inner lining, and metal inner lining external diameter more than carbon fiber composite layer internal diameter, carbon fibre composite
The size magnitude of interference that assembling is worn between layer and metal inner lining is 0.1mm~0.2mm；Then, metal inner lining is individually immersed into liquid nitrogen
Middle cooling, chilling temperature is -205 DEG C~-195 DEG C, cools down 10~15min, takes out metal inner lining measurement external diameter, works as metal inner lining
When reduced diameter is to the gap between carbon fiber composite layer internal diameter for 0.12mm~0.2mm, by carbon fiber composite layer
Metal inner lining periphery is set in, and is balanced in being stood under nature；Finally by the ready-made carbon fiber composite layer of being cased with
Metal inner lining is assembled with metal connecting tube and metal end pipe respectively, as barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182905.0A CN106705748B (en) | 2016-12-20 | 2016-12-20 | The cold charge method of completing the square of the barrel of the carbon fibre composite containing metal inner lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182905.0A CN106705748B (en) | 2016-12-20 | 2016-12-20 | The cold charge method of completing the square of the barrel of the carbon fibre composite containing metal inner lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106705748A true CN106705748A (en) | 2017-05-24 |
| CN106705748B CN106705748B (en) | 2018-06-05 |
Family
ID=58939273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611182905.0A Active CN106705748B (en) | 2016-12-20 | 2016-12-20 | The cold charge method of completing the square of the barrel of the carbon fibre composite containing metal inner lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106705748B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895888A (en) * | 2018-06-28 | 2018-11-27 | 南通大学 | Prestressing force can active cooling composite material gun barrel |
| CN111577077A (en) * | 2020-05-11 | 2020-08-25 | 苏州淳熙人防设备有限公司 | Processing method of high-strength alloy for civil air defense door |
| CN113202745A (en) * | 2021-06-04 | 2021-08-03 | 上海盛普机械制造有限公司 | Method for assembling ceramic alloy steel composite structure with large length-diameter ratio and application of ceramic alloy steel composite structure in plunger pump |
| US11385013B2 (en) | 2016-07-01 | 2022-07-12 | Blackpowder Products, Inc. | Hybrid carbon—steel firearm barrel |
| USD1018757S1 (en) | 2020-09-17 | 2024-03-19 | Blackpowder Products, Inc. | Firearm barrel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866405A (en) * | 2006-02-10 | 2006-11-22 | 北京诚恩电子材料有限责任公司 | Hydraulic pressure resistant, corrosion resistant, light composite cylindrical thin-walled casing and manufacturing method thereof |
| CN201021738Y (en) * | 2007-05-15 | 2008-02-13 | 上海华夏化工材料有限公司 | A carbon fiber rosin compound steel pipe |
| CN201991451U (en) * | 2011-03-11 | 2011-09-28 | 中国海洋石油总公司 | High-strength composite pipe |
| CN206399283U (en) * | 2016-12-20 | 2017-08-11 | 江苏法尔胜技术开发中心有限公司 | The barrel of carbon fibre composite containing metal inner lining |
-
2016
- 2016-12-20 CN CN201611182905.0A patent/CN106705748B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866405A (en) * | 2006-02-10 | 2006-11-22 | 北京诚恩电子材料有限责任公司 | Hydraulic pressure resistant, corrosion resistant, light composite cylindrical thin-walled casing and manufacturing method thereof |
| CN201021738Y (en) * | 2007-05-15 | 2008-02-13 | 上海华夏化工材料有限公司 | A carbon fiber rosin compound steel pipe |
| CN201991451U (en) * | 2011-03-11 | 2011-09-28 | 中国海洋石油总公司 | High-strength composite pipe |
| CN206399283U (en) * | 2016-12-20 | 2017-08-11 | 江苏法尔胜技术开发中心有限公司 | The barrel of carbon fibre composite containing metal inner lining |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11385013B2 (en) | 2016-07-01 | 2022-07-12 | Blackpowder Products, Inc. | Hybrid carbon—steel firearm barrel |
| US11732988B2 (en) | 2016-07-01 | 2023-08-22 | Blackpowder Products, Inc. | Hybrid carbon—steel firearm barrel |
| CN108895888A (en) * | 2018-06-28 | 2018-11-27 | 南通大学 | Prestressing force can active cooling composite material gun barrel |
| CN111577077A (en) * | 2020-05-11 | 2020-08-25 | 苏州淳熙人防设备有限公司 | Processing method of high-strength alloy for civil air defense door |
| USD1018757S1 (en) | 2020-09-17 | 2024-03-19 | Blackpowder Products, Inc. | Firearm barrel |
| CN113202745A (en) * | 2021-06-04 | 2021-08-03 | 上海盛普机械制造有限公司 | Method for assembling ceramic alloy steel composite structure with large length-diameter ratio and application of ceramic alloy steel composite structure in plunger pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106705748B (en) | 2018-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106705748B (en) | The cold charge method of completing the square of the barrel of the carbon fibre composite containing metal inner lining | |
| CN106643283B (en) | The barrel of carbon fibre composite containing metal inner lining and its method for applying prestressing force | |
| US10001337B2 (en) | Composite multi-lobe projectile barrel | |
| CN101472747B (en) | Spoke wheel | |
| CN100436928C (en) | High pressure nitrogen storage bottle made of kevlar fiber and carbon fiber mixed composite material and its preparation method | |
| CN108692181B (en) | Preparation method of composite material gas cylinder | |
| CN206399283U (en) | The barrel of carbon fibre composite containing metal inner lining | |
| CN111120145A (en) | Shell structure of head prefabricated secondary winding composite material | |
| CN206399282U (en) | A kind of barrel of carbon fibre composite containing metal inner lining | |
| CN101708509B (en) | Extruding container resistant to high temperature and high pressure | |
| CN210026375U (en) | Threaded connection spare of carbon fiber material | |
| CN105674041A (en) | Spherical composite gas cylinder for spaceflight | |
| CN112460464A (en) | Design method of high-pressure hydrogen storage container based on fiber winding process | |
| CN110039799A (en) | A kind of threaded connector and its forming method of carbon fibre materials | |
| CN207750611U (en) | A kind of high pressure resistant polyurethane cladding carbon fiber composite pipe fitting | |
| CN110608320A (en) | Thin-wall high-temperature-resistant high-pressure-resistant intercooler corrugated pipe | |
| CN217021633U (en) | Light barrel made of carbon-glass hybrid fiber composite material | |
| CN212838106U (en) | Solid rocket engine shell composite material joint | |
| CN104864259A (en) | Truss | |
| CN105840926B (en) | A kind of deep-sea oil gas engineering composite and flexible pipe and its manufacturing method | |
| CN208717469U (en) | A kind of solidification heat-preservation cylinder | |
| CN111119749B (en) | Light oil pipe in pit for oil field | |
| CN209781907U (en) | Non-bonding flexible pipe for deep water and connecting joint thereof | |
| CN209444732U (en) | A kind of shaft coupling | |
| RU2007107309A (en) | HIGH PRESSURE COMPOSITION CYLINDER |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |