CN109515667A - Carbon fiber composite propeller for ship and preparation method thereof - Google Patents
Carbon fiber composite propeller for ship and preparation method thereof Download PDFInfo
- Publication number
- CN109515667A CN109515667A CN201811204893.6A CN201811204893A CN109515667A CN 109515667 A CN109515667 A CN 109515667A CN 201811204893 A CN201811204893 A CN 201811204893A CN 109515667 A CN109515667 A CN 109515667A
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- China
- Prior art keywords
- paving
- carbon fiber
- fabric
- fiber composite
- wheel hub
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/26—Blades
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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
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/20—Hubs; Blade connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a carbon fiber composite propeller for a ship, which comprises a metal hub and four carbon fiber composite blades arranged on the metal hub, wherein the metal hub and the carbon fiber composite blades are assembled with mounting bulges through mounting clamping grooves and are additionally provided with viscose layers, so that the metal hub and the carbon fiber composite blades are fixedly connected; the carbon fiber composite paddle is formed by compounding a prefabricated body and a resin matrix, wherein the prefabricated body is formed by overlaying and pasting seam-laying fabrics layer by layer on a mould of the prefabricated body. The carbon fiber composite propeller prepared by the invention has the characteristics of high dimensional accuracy, high strength, good rigidity, light dead weight, low noise, corrosion resistance, microorganism adhesion resistance and the like, and has good fatigue performance and impact resistance.
Description
Technical field
The present invention relates to the technical field of marine propeller more particularly to a kind of carbon fiber composite propellers for ship
And preparation method thereof, it is specifically a kind of using marine propeller made of carbon fibre composite.
Background technique
Currently, developing with shipping industry, related science and technology are to maintenance national marine equity, quickening sea
Ocean exploitation ensures that Strategic Transportation is of great significance safely.
Propeller (especially large-scale marine propeller) is one of core component of ship power system, manufactures matter
Amount directly affects whole ship performance and propulsive efficiency.As the further investigation of domestic and foreign scholars is explored, the design system of marine propeller
The technology of making achieves marked improvement.The manufacture of large-scale marine propeller is related to propeller die modeling, founding materials melting, pours
Numerous techniques such as note, manual grinding, numerical control processing, digital measuring, there are period length, poor, the manufacturing cost height of accuracy etc. to lack
Point, processing are heavily dependent on the skills involved in the labour of direct labor, can not accurately reflect that modern designs are horizontal and think
Think, it cannot be guaranteed that the high-precision of propeller and high-intensitive requirement.
Composite propeller because have lightweight, efficiently, it is low noise, the attachment of antifatigue, anticorrosive and microorganism, easy-maintaining
The features such as, as composite material research is goed deep by various countries, the application value of composite propeller also big gross appearance forms work
Skill is the key that composite propeller application, and accelerating research application of the composite propeller on ship has important meaning
Justice.
Therefore, in the prior art, it is badly in need of wanting propeller made of a kind of composite material, to substitute original large-scale spiral peculiar to vessel
The material of paddle and its manufacturing process of complexity.
Summary of the invention
The carbon fiber composite propeller and preparation method thereof that the object of the present invention is to provide a kind of for ship, by independent
The compound blade of carbon fiber is made, then again assembles blade and metal, produces a kind of intensity height, anticorrosive, low noise,
Easy-maintaining carbon fiber composite propeller.
The purpose of the present invention can be realized by following technical proposals: a kind of carbon fiber composite screw for ship
Paddle, which is characterized in that carbon fiber composite propeller includes a metal wheel hub and four carbon fibers being mounted on metal wheel hub
Compound blade, the outer ring of metal wheel hub are set there are four card slot is installed, and the compound blade of carbon fiber is equipped with corresponding with installation card slot
Mucigel is assembled and added to installation protrusion by installing card slot and installation protrusion between metal wheel hub and the compound blade of carbon fiber,
So that the two is fixedly connected；The compound blade of carbon fiber is combined by precast body and resin matrix, and precast body is in precast body
On mold, made of paving stitchbonded fabric is layering paving.
Preferably, resin matrix selects one of following material or two or more combinations: unsaturated polyester resin, second
Ene based resins, phenolic resin or epoxy resin.
Further, the paving stitchbonded fabric is the paving sewed using sewing thread according to preform mold shape in base fabric
Stitchbonded fabric, the base fabric use glass fabric, and sewing thread uses fusible nylon wire.
A kind of preparation method of the carbon fiber composite propeller for ship, which is characterized in that the preparation method packet
Include following steps: a, preparation paving stitchbonded fabric will be pre-designed according to the size of the required compound blade of carbon fiber to be prepared
Paving seam path profile, which is imported into, to be spread in seam machine, and base fabric is placed on on the platform of paving seam machine and fixed, adjusting paving seam machine paving seam
Needle gage and speed, operation paving seam machine, complete the production of paving stitchbonded fabric；B, the base fabric for spreading stitchbonded fabric is removed, cuts paving seam and knits
Object makes its edge and fabric edge have 5-15mm surplus, separates base fabric with paving stitchbonded fabric；C, prefabricated
The preparation of body will remove the paving stitchbonded fabric paving of base fabric on preform mold, and every a piece of paving stitchbonded fabric of paving just passes through heating
Mode be formed that spread stitchbonded fabric primary, paving stitchbonded fabric paving finishes, and precast body completes and is sealed；D, resin shifts mould
Mould forming processes, precast body be put into mold and molded, when mold is warming up to 30-50 DEG C of beginning injecting glue, injecting glue terminate according to
Resin solidification system heats up to mold, and solidification terminates mold cooling, is cooled to 30-40 DEG C to mold, starts to demould, and completes carbon fiber
Tie up the production of compound blade；E, the assembly and splicing of metal wheel hub and the compound blade of carbon fiber is glued region in metal wheel hub and is spread
Rubberizing film places pressurised airbag and clamping tool, gives pressurised airbag pressurization, and at a certain temperature, complete metal wheel hub and
The compound blade of carbon fiber is glued, and obtains carbon fiber composite propeller.
Preferably, in a step, fiber spool and sewing thread spool are installed on paving seam machine, adjust paving seam machine paving seam
Needle gage is 3-8mm, adjusts speed 500-800 needle per minute.In b step, the paving stitchbonded fabric for having cut base fabric is placed on metallic iron
On plate, adjust manual heating equipment temperature be higher than 80-150 DEG C of sewing thread melting temperature, control manual heating equipment with
The distance of base fabric, using the transient temperature of manual heating equipment, melts the sewing thread of scrim surfaces disconnected between 10-30mm
It splits, base fabric is allowed to separate with fabric.
Further, in step c, die surface is cleared up using acetone, is knitted on preform mold according to the paving seam drafted
Object sequence paving spread stitchbonded fabric, after every layer of paving stitchbonded fabric paving finishes, be higher than 20-30 DEG C of sewing thread fusing point at a temperature of calmly
Type spreads stitchbonded fabric, setting time 0.5-1h.
Compared with the existing technology, technical solution of the present invention further includes many details in addition to the improvement of overall technical architecture
The improvement of aspect, specifically, having the advantages that
1, improvement project of the present invention, the compound blade of carbon fiber of the invention are combined by precast body and resin matrix,
Precast body is layering made of paving using paving stitchbonded fabric, this kind of ship carbon fiber is compound on the mold of precast body
Material propeller has the characteristics that lightweight, efficient, low noise, antifatigue, anticorrosive and microorganism adhere to, are easy-maintaining；
2, in technical solution of the present invention, the preparation of the compound blade of carbon fiber first makes precast body, and precast body is put into mold
And mold, Resin transfer molding forming processes are completed, which is die closing technique, and there are no pollution to the environment；
3, the compound blade of carbon fiber of the invention is needed in the production process by preparation paving stitchbonded fabric, base fabric removal, precast body
Preparation and Resin transfer molding forming processes these strict processes, therefore manufactured product has that profile tolerance precision is high, table
The features such as surface roughness is low, and deflection is small；
4, the compound blade precast body of carbon fiber of the invention increases the freedom degree of design, greatly using paving joint stabilizing process preparation
Reduce the risk of delamination of propeller blade；
5, the compound blade of carbon fiber of the invention in the production process removes the base fabric for spreading stitchbonded fabric, is made in the way of heating
It obtains base fabric to separate with paving stitchbonded fabric, greatly improves the mechanical property of paving stitchbonded fabric between layers；
6, the assembly and splicing of metal wheel hub of the invention and the compound blade of carbon fiber is glued region paving glue in metal wheel hub
Film places pressurised airbag and clamping tool, gives pressurised airbag pressurization, and at a certain temperature, complete metal wheel hub and carbon fiber
It ties up compound blade to be glued, obtains carbon fiber composite propeller, increase the structural stability of propeller；
7, the compound blade of carbon fiber of the invention is due to its preparation excellent material performance, and the design of structure is reasonable, while cost
It is lower, easy to spread and application.
Detailed description of the invention
Fig. 1 is metal wheel hub structural schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of the compound blade of carbon fiber of the present invention.
Fig. 3 is the cooperation schematic diagram of metal wheel hub of the present invention Yu the compound blade of carbon fiber.
Fig. 4 is the structural schematic diagram of the whole paddle of carbon fibre composite propeller of the present invention.
Appended drawing reference:
1 keyway, 2 installation card slots, 3 mucigels, 4 metal wheel hubs, the compound blade of 5 carbon fibers, 6 installation protrusions, 7 support bars.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present invention provides a kind of carbon fiber composite propellers for ship, with reference to the area in Fig. 1, with the prior art
It is not, carbon fiber composite propeller includes a metal wheel hub and four compound paddles of carbon fiber being mounted on metal wheel hub
Leaf, the outer ring of metal wheel hub are set there are four card slot is installed, and it is convex that the compound blade of carbon fiber is equipped with installation corresponding with installation card slot
It rises, passes through installation card slot and the assembly of installation protrusion and additional mucigel between metal wheel hub and the compound blade of carbon fiber, so that two
Person is fixedly connected；The compound blade of carbon fiber is combined by precast body and resin matrix, precast body be on the mold of precast body,
Made of paving stitchbonded fabric is layering paving.
Specifically, installation card slot is in T font here, is vertically spliced by longitudinal slot and transverse groove, wherein transverse groove
Both ends be equipped with intilted chamfering, convenient for installation convex block cooperation after preferably engage, propeller rotate and used
It is not easily to fall off in journey, while for mount to position, increase the contact area between the compound blade of carbon fiber and metal wheel hub, in addition to
It is set to the installation convex block that matches of installation card slot, has even more added a support bar in the bottom of installation convex block, when installation, institute
The mucigel stated then is laid on support bar, and support bar is in arc-shaped, is matched with the shape of metal wheel hub.Affiliated installation card slot
In respectively setting on metal wheel hub.
Preferably, resin matrix selects one of following material or two or more combinations: unsaturated polyester resin, second
Ene based resins, phenolic resin or epoxy resin.Specifically, epoxy resin EH301 or epoxy resin EL306 can be selected,
Or unsaturated polyester resin TM182 and EH031 epoxy resin can effectively improve spiral shell in the weight percent ratio mixing of 1:9
Revolve the mechanical property of paddle.
Further, the paving stitchbonded fabric is sewed using sewing thread according to preform mold shape in base fabric,
The base fabric uses glass fabric, and sewing thread uses fusible nylon wire.The glass fabric with a thickness of 0.1-0.15mm,
Sewing thread cumulative thickness must not exceed the 2.5% of paving stitchbonded fabric overall thickness.
The preparation method of existing composite propeller use traditional ply sequence, the angle of fabric have 0 °, ±
45 °, 90 °, design freedom is very limited, traditional lamination ply sequence, it is permanent be on active service it is lower easily cause blade guide margin and
Delamination removing at lagging edge, reduces working efficiency, or even failure.The present invention is by control fiber lead, in each single layer
The fiber orientation with spatial position consecutive variations can be freely designed, while cutting optimization design is carried out to stiffness and strength, sufficiently
Play fibrous mechanical property.
The compound blade of carbon fiber of the invention is combined by precast body and resin matrix, and precast body is the mould in precast body
On tool, it is layering made of paving using paving stitchbonded fabric, this kind of ship has lightweight, height with carbon fibre composite propeller
The features such as effect, low noise, antifatigue, anticorrosive and microorganism adhere to, are easy-maintaining.Metal wheel hub and the compound blade of carbon fiber simultaneously
By assembling and splicing is fixedly connected, thus to obtain carbon fiber composite propeller, the structural stability of propeller is increased,
There is good fatigue behaviour and shock resistance simultaneously.
A kind of preparation method of carbon fiber composite propeller for ship of the present invention, the area with the prior art
It is not, the preparation method includes the following steps: a, preparation paving stitchbonded fabric, according to the required compound paddle of carbon fiber to be prepared
Pre-designed paving seam path profile imported into paving seam machine, base fabric is placed on the platform of paving seam machine by the size of leaf
And it is fixed, adjust paving seam machine paving suture needle away from speed, operation paving seam machine completes the production of paving stitchbonded fabric；B, paving seam is knitted
The base fabric of object removes, and cutting paving stitchbonded fabric makes its edge and fabric edge have 5-15mm surplus, and base is made in the way of heating
Cloth is separated with paving stitchbonded fabric；C, the preparation of precast body will remove the paving stitchbonded fabric paving of base fabric on preform mold, every paving
A piece of paving stitchbonded fabric, being just formed by way of heating, it is primary to spread stitchbonded fabric, and paving stitchbonded fabric paving finishes, and precast body completes
And it is sealed；D, precast body is put into mold and is molded by Resin transfer molding forming processes, when mold is warming up to 30-50
DEG C start injecting glue, injecting glue terminate according to resin solidification system give mold heating, solidification terminate mold cooling, be cooled to mold
30-40 DEG C, start to demould, completes the production of the compound blade of carbon fiber；E, the assembly of metal wheel hub and the compound blade of carbon fiber and
It is glued, is glued region paving glue film in metal wheel hub, places pressurised airbag and clamping tool, pressurize to pressurised airbag, and one
Determine at temperature, complete metal wheel hub and the compound blade of carbon fiber be glued, obtain carbon fiber composite propeller.
In one embodiment, the outer ring of metal wheel hub is set there are four card slot is installed, as long as this four installation card slots are kept
It keeps symmetrically and symmetrical above and below along the center of circle line of metal wheel hub, is not necessarily circumferentially uniformly distributed, Ke Yiyan
Circumference set up separately 30 degree, 150 degree, 210 degree and 330 degree positions, can also circumferentially set up separately at 40 degree, 140 degree, 220 degree
With 320 degree of positions, the good application effect compared can be obtained.
Precast body is made by paving stitchbonded fabric paving, and the paving stitchbonded fabric is using paving joint stabilizing process preparation.Resin matrix is selected
Phenolic resin.The compound blade of carbon fiber is equipped with installation protrusion corresponding with installation card slot, metal wheel hub and the compound paddle of carbon fiber
Pass through installation card slot and the assembly of installation protrusion and additional mucigel between leaf, so that the two is fixedly connected.The carbon fiber of this structure
Dimension composite propeller has the characteristics that lightweight, efficient, low noise, antifatigue, anticorrosive and microorganism adhere to, are easy-maintaining.
In the embodiment of a method, include the following steps: a, preparation paving stitchbonded fabric, according to required carbon fiber to be prepared
The size for tieing up compound blade, pre-designed paving seam path profile is imported into paving seam machine, and base fabric is placed on paving seam machine
Platform on and it is fixed, adjust paving seam machine paving suture needle away from speed, operation paving seam machine completes the production of paving stitchbonded fabric,
In, fiber spool and sewing thread spool are installed on paving seam machine, adjust paving seam machine paving suture needle away from being 5mm, adjusting speed is every
650 needles of minute；B, the base fabric for spreading stitchbonded fabric is removed, cutting paving stitchbonded fabric makes its edge and fabric edge have 12mm surplus, will
The paving stitchbonded fabric for having cut base fabric is placed on monolithic metal, and the temperature for adjusting manual heating equipment is higher than sewing thread melting temperature
120 DEG C, control manual heating equipment at a distance from base fabric between 10-12mm, using the transient temperature of manual heating equipment,
So that the sewing thread of scrim surfaces is melted fracture, base fabric is allowed to separate with fabric；C, the paving for removing base fabric seam is knitted in the preparation of precast body
Object paving is on preform mold, every a piece of paving stitchbonded fabric of paving, and being just formed by way of heating, it is primary to spread stitchbonded fabric, paving seam
Fabric paving finishes, and precast body completes and is sealed；D, precast body is put into mold by Resin transfer molding forming processes
In and mold, when mold is warming up to 45 DEG C of beginning injecting glues, injecting glue terminates to give mold heating according to resin solidification system, and solidification terminates
Mold cooling, is cooled to 32 DEG C to mold, starts to demould, and completes the production of the compound blade of carbon fiber；E, metal wheel hub and carbon fiber
The assembly and splicing for tieing up compound blade are glued region paving glue film in metal wheel hub, place pressurised airbag and clamping tool, give and add
Pressuring gasbag pressurization, and at a certain temperature, complete metal wheel hub and the compound blade of carbon fiber be glued, obtain the compound spiral shell of carbon fiber
Revolve paddle.
Here the compound blade of carbon fiber is needed in the production process by preparation paving stitchbonded fabric, base fabric removal, precast body
Preparation and Resin transfer molding forming processes these strict processes, therefore manufactured product has that profile tolerance precision is high, table
The features such as surface roughness is low, and deflection is small, while precast body increases the freedom degree of design, significantly using paving joint stabilizing process preparation
The risk of delamination for reducing propeller blade.
In another embodiment, paving stitchbonded fabric is prepared first, according to the big of the required compound blade of carbon fiber to be prepared
It is small, pre-designed paving is stitched into path profile and is imported into paving seam machine, base fabric is placed on the platform of paving seam machine and is fixed,
Adjust paving seam machine paving suture needle away from speed, operation paving seam machine, complete paving stitchbonded fabric production；Then the base of stitchbonded fabric will be spread
Cloth removal, cutting paving stitchbonded fabric makes its edge and fabric edge have 5-15mm surplus, and base fabric and paving are made in the way of heating
Stitchbonded fabric separation；The preparation of precast body clears up die surface using acetone, according to the paving stitchbonded fabric drafted on preform mold
Sequence paving spreads stitchbonded fabric, after every layer of paving stitchbonded fabric paving finishes, in the at a temperature of sizing paving higher than 28 DEG C of sewing thread fusing point
Stitchbonded fabric, setting time 0.67h, paving stitchbonded fabric paving finish, and precast body completes and is sealed, the thickness of precast body
It is gradual change, most thick region 300-500mm, most thin region 10-50mm.
Then Resin transfer molding forming processes are completed, precast body is put into mold and is molded, when mold is warming up to 40
DEG C start injecting glue, injecting glue terminate according to resin solidification system give mold heating, solidification terminate mold cooling, be cooled to 35 to mold
DEG C, start to demould, completes the production of the compound blade of carbon fiber；The assembly and splicing of metal wheel hub and the compound blade of carbon fiber,
Metal wheel hub is glued region paving glue film, places pressurised airbag and clamping tool, pressurizes to pressurised airbag, and heating metal wheel hub is extremely
45 DEG C, pressurised airbag is given to pressurize 2bar, and at 100-130 DEG C, complete metal wheel hub and the compound blade of carbon fiber be glued, obtain
Obtain carbon fiber composite propeller.
In a specific embodiment, ship carbon fibre composite propeller, including a metal wheel hub and four
A composite material blade, the composite material blade piece using RTM technique be made, it is characterised in that: the RTM technique it is prefabricated
Body is made by paving stitchbonded fabric paving, and the paving stitchbonded fabric is using paving joint stabilizing process preparation.The composite material blade and metal
Ship carbon fibre composite propeller is made by assembly, adhesive technology in wheel hub.Above-mentioned ship carbon fibre composite
Propeller, comprising the following steps:
1) preparation paving stitchbonded fabric: pre-designed paving seam path profile is imported into paving seam machine, base fabric is placed on paving seam machine
It is on the platform of device and fixed, fiber spool, sewing thread spool are installed.Adjust paving seam machine paving suture needle away from be 3-8mm, adjusting speed
500-800 needle per minute needs personnel's moment to pay close attention to paving seam situation in machine operation, and handles during paving is stitched and occur
Broken yarn, broken string the defects of, stitchbonded fabric to be spread paving seam finishes, and removes paving stitchbonded fabric and weighs
2) base fabric is torn off: the paving stitchbonded fabric after taking weighing, and cutting base fabric makes its edge and fabric edge have 5-15mm surplus, will be cut out
The paving stitchbonded fabric for having cut base fabric is placed on monolithic metal, and the temperature for adjusting manual heating equipment is higher than sewing thread melting temperature
80-150 DEG C, control manual heating equipment between 10-30mm, utilizes the instantaneous temperature of manual heating equipment at a distance from base fabric
Degree makes the sewing thread of scrim surfaces melt fracture, base fabric is allowed to separate with fabric.
3) prepared by precast body: preform mold prepares, and clears up die surface using acetone, smears hole sealing agent, demoulding
Agent.Stitchbonded fabric is spread according to the paving stitchbonded fabric sequence paving drafted on preform mold, after every layer of paving stitchbonded fabric paving finishes,
Paving release cloth, vacuum bag sealing spread stitchbonded fabric in the at a temperature of sizing for being higher than 20-30 DEG C of sewing thread fusing point, and setting time is
0.5-1h.Material propeller precast body preparation to be composite is completed, and is needed vacuum sealing to save and is waited molding.
4) RTM is formed: precast body being put into mold and molded, detects mold air-tightness, leakproofness is intact to transport mold
Into heating equipment, it is warming up to 30-50 DEG C of beginning injecting glue to mold temperature, injecting glue process is pre- to guarantee by adjusting injection pressure
Body processed sufficiently infiltrates, pressure regulation spectrum 1-12bar, and injecting glue terminates to heat up according to resin solidification system to mold, solidification knot
The cooling of beam mold, is cooled to 30-40 DEG C to mold, starts to demould.Composite material blade need to polish off remaining resin after demoulding
Piece.
5) assembly and splicing: metal wheel hub is taken, and clears up metal wheel hub surface with acetone, using verification film, verifies metal
Gap between wheel hub and composite material blade, and verification situation is recorded, metal wheel hub is heated to 30-50 DEG C, according to check results
To rise again is more than that the verification film paving of 6h is glued region in metal wheel hub, assembles metal wheel hub and composite material blade, place plus
Pressuring gasbag places clamping tool.Pressurised airbag pressurization 1-3bar is given, and at 100-130 DEG C, completes metal wheel hub and composite wood
Expect the splicing of blade, and detects carbon fibre composite propeller mass using non-destructive detecting device.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, any couple of present invention carries out equivalent modifications and
Substitution is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and
Modification, all should be contained within the scope of the invention.
Claims (8)
1. a kind of carbon fiber composite propeller for ship, which is characterized in that carbon fiber composite propeller includes a metal
Wheel hub and four compound blades of carbon fiber being mounted on metal wheel hub, the outer ring of metal wheel hub set that there are four install card slot, carbon
Fiber composite blade is equipped with installation protrusion corresponding with installation card slot, passes through peace between metal wheel hub and the compound blade of carbon fiber
Be loaded slot and the assembly of installation protrusion and additional mucigel, so that the two is fixedly connected；The compound blade of carbon fiber is by precast body and tree
Aliphatic radical bluk recombination forms, and precast body is on the mold of precast body, made of paving stitchbonded fabric is layering paving.
2. a kind of carbon fiber composite propeller for ship according to claim 1, which is characterized in that resin matrix choosing
With one of following material or two or more combinations: unsaturated polyester resin, vinylite, phenolic resin or asphalt mixtures modified by epoxy resin
Rouge.
3. a kind of carbon fiber composite propeller for ship according to claim 1, which is characterized in that the paving seam
Fabric is the paving stitchbonded fabric sewed using sewing thread according to preform mold shape in base fabric, and the base fabric uses glass
Fiber cloth, sewing thread use fusible nylon wire.
4. a kind of preparation method of carbon fiber composite propeller for ship according to claim 1, which is characterized in that
The preparation method includes the following steps: a, preparation paving stitchbonded fabric, according to the big of the required compound blade of carbon fiber to be prepared
It is small, pre-designed paving is stitched into path profile and is imported into paving seam machine, base fabric is placed on the platform of paving seam machine and is fixed,
Adjust paving seam machine paving suture needle away from speed, operation paving seam machine, complete paving stitchbonded fabric production；B, the base fabric of stitchbonded fabric will be spread
Removal, cutting paving stitchbonded fabric makes its edge and fabric edge have 5-15mm surplus, stitches base fabric and paving
Fabric separation；C, the preparation of precast body will remove the paving stitchbonded fabric paving of base fabric on preform mold, every a piece of paving seam of paving
Fabric, being just formed by way of heating, it is primary to spread stitchbonded fabric, and paving stitchbonded fabric paving finishes, and precast body completes and seals guarantor
It deposits；D, precast body is put into mold and is molded by Resin transfer molding forming processes, starts to infuse when mold is warming up to 30-50 DEG C
Glue, injecting glue terminate to heat up according to resin solidification system to mold, and solidification terminates mold cooling, is cooled to 30-40 DEG C to mold, opens
Begin to demould, completes the production of the compound blade of carbon fiber；E, the assembly and splicing of metal wheel hub and the compound blade of carbon fiber, in metal
Wheel hub is glued region paving glue film, places pressurised airbag and clamping tool, pressurizes to pressurised airbag, and at a certain temperature, complete
At metal wheel hub and the compound blade of carbon fiber be glued, obtain carbon fiber composite propeller.
5. a kind of preparation method of carbon fiber composite propeller for ship according to claim 4, which is characterized in that
In a step, fiber spool and sewing thread spool are installed on paving seam machine, adjust paving seam machine paving suture needle away from being 3-8mm, adjusting
Speed 500-800 needle per minute.
6. a kind of preparation method of carbon fiber composite propeller for ship according to claim 4, which is characterized in that
In b step, the paving stitchbonded fabric for having cut base fabric is placed on monolithic metal, the temperature for adjusting manual heating equipment is higher than sewing
80-150 DEG C of line melting temperature, control manual heating equipment between 10-30mm, are set at a distance from base fabric using manual heating
Standby transient temperature makes the sewing thread of scrim surfaces melt fracture, base fabric is allowed to separate with fabric.
7. a kind of preparation method of carbon fiber composite propeller for ship according to claim 4, which is characterized in that
In step c, die surface is cleared up using acetone, is knitted on preform mold according to the paving stitchbonded fabric sequence paving paving seam drafted
Object after every layer of paving stitchbonded fabric paving finishes, spreads stitchbonded fabric, sizing in the at a temperature of sizing for being higher than 20-30 DEG C of sewing thread fusing point
Time is 0.5-1h.
8. a kind of preparation method of carbon fiber composite propeller for ship according to claim 4, which is characterized in that
In step e, metal wheel hub is heated to 30-50 DEG C, gives pressurised airbag pressurization 1-3bar, and at 100-130 DEG C, completes metal wheel
The splicing of hub and composite material blade, and carbon fibre composite propeller mass is detected using non-destructive detecting device.
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| CN109515667B (en) | 2022-05-13 |
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Address after: 200032 No. two, 851 South Road, Xuhui District, Shanghai, Zhongshan Patentee after: Shanghai Shipbuilding Technology Research Institute (the 11th Research Institute of China Shipbuilding Corp.) Address before: 200032 No. two, 851 South Road, Xuhui District, Shanghai, Zhongshan Patentee before: SHIPBUILDING TECHNOLOGY Research Institute (NO 11 RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING Corp.,Ltd.) |