CN110056538A - A kind of carbon fibre composite draught fan impeller and manufacturing method - Google Patents
A kind of carbon fibre composite draught fan impeller and manufacturing method Download PDFInfo
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- CN110056538A CN110056538A CN201910366245.9A CN201910366245A CN110056538A CN 110056538 A CN110056538 A CN 110056538A CN 201910366245 A CN201910366245 A CN 201910366245A CN 110056538 A CN110056538 A CN 110056538A
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- carbon fiber
- temperature
- cover plate
- blade
- draught fan
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to draught fan impeller technical fields, more particularly to a kind of carbon fibre composite draught fan impeller and manufacturing method, it is complicated to solve draught fan impeller manufacturing process existing in the prior art, weight is larger, the shortcomings that poor corrosion resistance, including carbon fiber upper cover plate, carbon fiber lower cover plate and embedded carbon fiber blade, carbon fiber upper cover plate is provided at the top of the embedded carbon fiber blade, and the bottom of embedded carbon fiber blade is provided with carbon fiber lower cover plate, the present invention adopts a split structure, the complexity of product can be reduced, reduce the processing cost of mold, and for Product Process, fission molding is convenient for the implementation of composite technology and the realization of product structure, for further satisfaction use condition, after the completion of product bonding, curing process after reinforcement is vacuumized using prepreg cloth at the angle bonding plane R, to meet Properties of product requirement.
Description
Technical field
The present invention relates to draught fan impeller technical field more particularly to a kind of carbon fibre composite draught fan impeller and manufacturers
Method.
Background technique
Impeller is the heart of blower.The applied impeller-type of different blowers is different.In general, the impeller of centrifugal blower
The more of complexity are wanted compared to the impeller of axial flow blower, are required in technique higher.With the propulsion of China's process of industrialization, industrial trade
Positive Efforts To Develop is energy-saving, carries out industrial upgrading and integration recombination, and industrial foundation equipment needs a large amount of update.Blower is as work
The important corollary equipment of industry will more be applied to the fields such as electric power, cement, petrochemical industry, coal, mine and environmental protection.New
Economic development situation under, the following fan industry will continue to keep increasing faster.
According to the blade angle of impeller air outlet, impeller form can be divided into three kinds: forward direction, radial direction and backward type blade.
2 > 90 ° of the exit angle β of forward direction type blade, outlet wind pressure is higher, but efficiency is lower, and blade be easy to assemble between impeller it is miscellaneous
Matter, easy fouling.It is general for air quantity, but relatively high region is required, blade is generally relatively narrow, common 9-19 series, 9-26
Series Centrifugal blower just commonly uses this impeller；Radial mode blade outlet angle β 2=90 °, structure is simple, and production cost is low, parameter
Between forward direction type and backward type, but efficiency is lower, so using not being very extensive, but since its is less scaling
Feature is only used in a small number of occasions such as mine；2 < 90 ° of backward type blade outlet angle β, this impeller is due to aerodynamics
Excellent performance, air quantity is big, and pressure is lower, but efficiency is very high, the centrifugal blower of domestic general backward type impeller, efficiency energy
Reach 80%-90%, so using very extensive, and because of its less scaling feature, in industry, chemical industry, power plant etc.
Field is using very extensive.
Summary of the invention
It is complicated that the purpose of the present invention is to solve draught fan impeller manufacturing process existing in the prior art, and weight is larger,
The shortcomings that poor corrosion resistance, and a kind of carbon fibre composite draught fan impeller and manufacturing method proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of carbon fibre composite draught fan impeller, including carbon fiber upper cover plate, carbon fiber lower cover plate and embedded carbon fiber
Blade is tieed up, is provided with carbon fiber upper cover plate, and the bottom of embedded carbon fiber blade at the top of the embedded carbon fiber blade
It is provided with carbon fiber lower cover plate.
Preferably, the embedded carbon fiber blade is backward type impeller, and the exit angle β of embedded carbon fiber blade
2<90°。
Preferably, it is offered on the carbon fiber upper cover plate and carbon fiber lower cover plate and is embedded slot.
Preferably, the embedded carbon fiber blade is the thickness structure of gradual change type.
Preferably, the embedded carbon fiber blade passes through high strength structural adhesion and carbon fiber upper cover plate and carbon fiber lower cover
Plate is glued.
Preferably, the embedded carbon fiber blade respectively with carbon fiber upper cover plate and the angle carbon fiber lower cover plate cemented surface R
Place carries out prepreg cloth reinforcement setting.
Preferably, a kind of manufacturing method of carbon fibre composite draught fan impeller, comprising the following steps:
The compression molding of S1 lower cover plate: mold is first preheating to 40~50 DEG C, preheating time 15min, then on mold
Release agent is smeared on lower die face, and starts laying operation after release agent volatile dry, is got ready according to carbon fiber upper cover board size
With FAW200 carbon fiber 3K twill prepreg cloth, specification is 26 layers of 900mm × 900mm, and by prepreg cloth, first die face is spread above and below mold
After putting two to three layers, that is, start by defined size and thickness the die face above and below mold to carry out laying to total number of plies to be 26 layers, most
Molding, which is placed on press, afterwards carries out heat-pressure curing, and press temperature is gradually forced into 5GPa when reaching 80 DEG C, and temperature is 80 DEG C
When pressurization 5GPa keep the temperature 1h, be forced into 13GPa while being warming up to 135 DEG C, pressurize 13GPa when temperature is 135 DEG C, and keep the temperature
After solidification, carbon fiber upper cover plate blank is removed from the mold by 1h20min, and polishing processes blade and is glued slot；
The compression molding of S2 lower cover plate: mold is first preheating to 40~50 DEG C, preheating time 15min, then on mold
Release agent is smeared on lower die face, and starts laying operation after release agent volatile dry, is got ready according to carbon fiber lower cover board size
FAW200 carbon fiber 3K twill prepreg cloth, specification are respectively 26 layers of 900mm × 900mm, 26 layers of 455mm × 455mm, 9 layers of 275mm
× 275mm, 4 layers of 1000mm × 23mm and 4 layer of 1000mm × 19mm, first with the prepreg cloth of 900mm × 900mm in upper and lower die face
After two to three layers of laying, that is, starts by specific thickness the die face above and below mold and carry out laying to 26 layers, then according to rule on mold
Fixed size, position and thickness is successively complete by prepreg cloth laying, and finally molding, which is placed on press, carries out heat-pressure curing, press
Temperature is gradually forced into 5GPa when reaching 80 DEG C, pressurization 5GPa keeps the temperature 1h, pressurization while being warming up to 135 DEG C when temperature is 80 DEG C
To 13GPa, pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature 1h20min, after solidification, by carbon fiber lower cover plate blank
It is removed from the mold, polishing processes blade and is glued slot；
The embedded carbon fiber blade compression molding of S3: mold is first preheating to 40~50 DEG C, preheating time 15min, so
Release agent is smeared on mold cavity surface and die joint afterwards, and starts laying operation after release agent volatile dry, uses size
After two to three layers of laying of twill prepreg cloth of the FAW200 carbon fiber 3K of 100mm × 400mm, that is, start by defined size and thickness
It is 29 layers that degree carries out laying to total number of plies in die cavity, and finally molding, which is placed on press, carries out heat-pressure curing, press temperature
5GPa is gradually forced into when reaching 80 DEG C, pressurization 5GPa keeps the temperature 0.5h when temperature is 80 DEG C, is forced into while being warming up to 135 DEG C
13GPa, pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature 45min, after solidification, by embedded carbon fiber blade blank
It is removed from the mold, finally polishing processing；
S4 assembles draught fan impeller: by carbon fiber upper cover plate, carbon fiber lower cover plate and the embedded carbon fiber after machine-shaping
Blade assembling is at draught fan impeller.
Preferably, the curing process of the carbon fiber upper cover plate and carbon fiber lower cover plate is when temperature reaches 80 DEG C
It is gradually forced into 5GPa, pressurization 5GPa keeps the temperature 1h when temperature is 80 DEG C, 13GPa is forced into while being warming up to 135 DEG C, in temperature
Pressurize 13GPa when being 135 DEG C, and keeps the temperature 1h20min.
Preferably, the curing process of the embedded carbon fiber blade is gradually to be forced into when temperature reaches 80 DEG C
5GPa, pressurization 5GPa keeps the temperature 0.5h when temperature is 80 DEG C, is forced into 13GPa while being warming up to 135 DEG C, is 135 DEG C in temperature
When pressurize 13GPa, and keep the temperature 45min.
Compared with prior art, the beneficial effects of the present invention are:
1, impeller of the invention adopts a split structure, and using this structure, can reduce the complexity of product, reduce mold
Processing cost, and for Product Process, fission molding convenient for the implementation of composite technology and the realization of product structure,
The basic technology route of this product be using upper and lower cover plates and it is intermediate use embedded blade construction, individually produce upper and lower cover plates and
Blade is simplified, and the structure of composite material punching block is simplified.
2, the position that blade is embedded in need to be added on CNC after carbon fiber upper cover plate of the invention and carbon fiber lower cover sheet metal forming
Work goes out depth, and embedded carbon fiber blade uses the thickness structure of gradual change type, and thin edge, the angle R is thicker, embedded carbon fiber blade
It is glued by high strength structural adhesion and carbon fiber upper cover plate and carbon fiber lower cover plate, implements relatively simple, and between three
Connection also more closely securely.
3, the present invention carries out at embedded carbon fiber blade and carbon fiber upper cover plate and the angle carbon fiber lower cover plate cemented surface R
Prepreg cloth vacuumizes curing process after reinforcement, to meet properties of product requirement.
4, product of the present invention assembles about 19 kilograms of rear total weight, and loss of weight 1/3 or so, are convenient for compared with metal draught fan impeller
The raising of wheel speed.
5, the present invention provides a kind of manufacturing method of carbon fibre composite draught fan impeller, make draught fan impeller more resistant to corruption
Erosion, can with effective impedance chemical attack, adverse circumstances, climate change destruction, long-term remarkable in economical benefits, due to impeller weight
Amount is remarkably decreased, then significantly reduces to Energy in use, can save energy 15% or so, while reducing the inertia of product.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of carbon fibre composite draught fan impeller proposed by the present invention；
Fig. 2 is a kind of left view of carbon fibre composite draught fan impeller proposed by the present invention；
Fig. 3 is a kind of structure front view of carbon fibre composite draught fan impeller proposed by the present invention.
In figure: 1, carbon fiber upper cover plate；2, carbon fiber lower cover plate；3, embedded carbon fiber blade.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, the embodiment provides a kind of carbon fibre composite draught fan impellers, including on carbon fiber
1 carbon fiber lower cover plate 2 of cover board and embedded carbon fiber blade 3, impeller adopts a split structure, and embedded carbon fiber blade 3 is
Backward type impeller, 2 < 90 ° of blade outlet angle β, need to be on CNC by leaf after carbon fiber upper cover plate 1 and the molding of carbon fiber lower cover plate 2
The position of piece insertion processes depth, and embedded carbon fiber blade 3 is using the thickness structure of gradual change type, and thin edge, the angle R is thicker,
Embedded carbon fiber blade 3 is glued by high strength structural adhesion and carbon fiber upper cover plate 1 and carbon fiber lower cover plate 2, embedded carbon
Prepreg cloth reinforcement is carried out at fibre blade 3 and 2 angle cemented surface R of carbon fiber upper cover plate 1 and carbon fiber lower cover plate, to meet product
Performance requirement.
In the present embodiment, impeller is adopted a split structure, and using this structure, can be reduced the complexity of product, be reduced mould
The processing cost of tool, and for Product Process, fission molding is convenient for the implementation of composite technology and the reality of product structure
Existing, the basic technology route of this product is to use embedded blade construction using upper and lower cover plates and centre, individually produces upper and lower covers
Plate and blade, simplify, and simplify the structure of composite material punching block.
Wherein, it need to be on CNC by the position processing of blade insertion after carbon fiber upper cover plate 1 and carbon fiber lower cover plate 2 form
Depth out, embedded carbon fiber blade 3 is using the thickness structure of gradual change type, and thin edge, the angle R is thicker, embedded carbon fiber blade 3
It is glued by high strength structural adhesion and carbon fiber upper cover plate 1 and carbon fiber lower cover plate 2.Implement relatively simple, and three it
Between connection also more closely securely.
In the present embodiment, a kind of manufacturing method of carbon fibre composite draught fan impeller is provided, comprising the following steps:
The compression molding of S1 lower cover plate: mold is first preheating to 40~50 DEG C, preheating time 15min, then on mold
Release agent is smeared on lower die face, and starts laying operation after release agent volatile dry, is got ready according to 1 size of carbon fiber upper cover plate
With FAW200 carbon fiber 3K twill prepreg cloth, specification is 26 layers of 900mm × 900mm, and by prepreg cloth, first die face is spread above and below mold
After putting two to three layers, that is, start by defined size and thickness the die face above and below mold to carry out laying to total number of plies to be 26 layers, most
Molding, which is placed on press, afterwards carries out heat-pressure curing, and press temperature is gradually forced into 5GPa when reaching 80 DEG C, and temperature is 80 DEG C
When pressurization 5GPa keep the temperature 1h, be forced into 13GPa while being warming up to 135 DEG C, pressurize 13GPa when temperature is 135 DEG C, and keep the temperature
After solidification, 1 blank of carbon fiber upper cover plate is removed from the mold by 1h20min, and polishing processes blade and is glued slot；
The compression molding of S2 lower cover plate: mold is first preheating to 40~50 DEG C, preheating time 15min, then on mold
Release agent is smeared on lower die face, and starts laying operation after release agent volatile dry, is got ready according to 2 size of carbon fiber lower cover plate
FAW200 carbon fiber 3K twill prepreg cloth, specification are respectively 26 layers of 900mm × 900mm, 26 layers of 455mm × 455mm, 9 layers of 275mm
× 275mm, 4 layers of 1000mm × 23mm and 4 layer of 1000mm × 19mm, first with the prepreg cloth of 900mm × 900mm in upper and lower die face
After two to three layers of laying, that is, starts by specific thickness the die face above and below mold and carry out laying to 26 layers, then according to rule on mold
Fixed size, position and thickness is successively complete by prepreg cloth laying, and finally molding, which is placed on press, carries out heat-pressure curing, press
Temperature is gradually forced into 5GPa when reaching 80 DEG C, pressurization 5GPa keeps the temperature 1h, pressurization while being warming up to 135 DEG C when temperature is 80 DEG C
To 13GPa, pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature 1h20min, after solidification, by 2 blank of carbon fiber lower cover plate
It is removed from the mold, polishing processes blade and is glued slot；
The embedded carbon fiber blade 3 of S3 is pressed and molded: mold being first preheating to 40~50 DEG C, preheating time 15min, so
Release agent is smeared on mold cavity surface and die joint afterwards, and starts laying operation after release agent volatile dry, uses size
After two to three layers of laying of twill prepreg cloth of the FAW200 carbon fiber 3K of 100mm × 400mm, that is, start by defined size and thickness
It is 29 layers that degree carries out laying to total number of plies in die cavity, and finally molding, which is placed on press, carries out heat-pressure curing, press temperature
5GPa is gradually forced into when reaching 80 DEG C, pressurization 5GPa keeps the temperature 0.5h when temperature is 80 DEG C, is forced into while being warming up to 135 DEG C
13GPa, pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature 45min, after solidification, by embedded 3 blank of carbon fiber blade
It is removed from the mold, finally polishing processing；
S4 assembles draught fan impeller: by carbon fiber upper cover plate 1, carbon fiber lower cover plate 2 and the embedded carbon fiber after machine-shaping
Dimension blade 3 is assembled into draught fan impeller.
Further, the curing process of carbon fiber upper cover plate 1 and carbon fiber lower cover plate 2 is when temperature reaches 80 DEG C
It is gradually forced into 5GPa, pressurization 5GPa keeps the temperature 1h when temperature is 80 DEG C, 13GPa is forced into while being warming up to 135 DEG C, in temperature
Pressurize 13GPa when being 135 DEG C, and keeps the temperature 1h20min.
Further, the curing process of embedded carbon fiber blade 3 is gradually to be forced into 5GPa when temperature reaches 80 DEG C,
Pressurization 5GPa keeps the temperature 0.5h when temperature is 80 DEG C, is forced into 13GPa while being warming up to 135 DEG C, pressurizes when temperature is 135 DEG C
13GPa, and keep the temperature 45min.
In the present embodiment, make draught fan impeller more resistant to corrosion, it can be with effective impedance chemical attack, adverse circumstances, climate change
Destruction, long-term remarkable in economical benefits.Since impeller weight is remarkably decreased, then Energy in use is significantly reduced, can save energy drop
Consumption 15% or so, while reducing the inertia of product.
In addition, the structural strength height for the draught fan impeller produced, light weight, endurance, service life are long.Turn convenient for improving impeller
Energy consumption, long-term economic remarkable benefit can be effectively reduced in speed.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of carbon fibre composite draught fan impeller, which is characterized in that including carbon fiber upper cover plate (1), carbon fiber lower cover plate
(2) and embedded carbon fiber blade (3) it, is provided with carbon fiber upper cover plate (1) at the top of the embedded carbon fiber blade (3),
And the bottom of embedded carbon fiber blade (3) is provided with carbon fiber lower cover plate (2).
2. a kind of carbon fibre composite draught fan impeller according to claim 1, which is characterized in that the embedded carbon fiber
Blade (3) are tieed up as backward type impeller, and 2 < 90 ° of the exit angle β of embedded carbon fiber blade (3).
3. a kind of carbon fibre composite draught fan impeller according to claim 2, which is characterized in that the carbon fiber upper cover
It is offered on plate (1) and carbon fiber lower cover plate (2) and is embedded slot.
4. a kind of carbon fibre composite draught fan impeller according to claim 3, which is characterized in that the embedded carbon fiber
Tie up the thickness structure that blade (3) are gradual change type.
5. a kind of carbon fibre composite draught fan impeller according to claim 4, which is characterized in that the embedded carbon fiber
Blade (3) are tieed up to be glued by high strength structural adhesion and carbon fiber upper cover plate (1) and carbon fiber lower cover plate (2).
6. a kind of carbon fibre composite draught fan impeller according to claim 5, which is characterized in that the embedded carbon fiber
Tie up blade (3) respectively at carbon fiber upper cover plate (1) and carbon fiber lower cover plate (2) angle cemented surface R progress prepreg cloth reinforcement setting.
7. a kind of manufacturing method of carbon fibre composite draught fan impeller according to claim 1, which is characterized in that including
Following steps:
The compression molding of S1 lower cover plate: mold is first preheating to 40~50 DEG C, preheating time 15min, then in mold upper and lower mould
Release agent is smeared on face, and starts laying operation after release agent volatile dry, gets use ready according to carbon fiber upper cover plate (1) size
FAW200 carbon fiber 3K twill prepreg cloth, specification are 26 layers of 900mm × 900mm, by the first die face laying above and below mold of prepreg cloth
After two to three layers, that is, start by defined size and thickness the die face above and below mold to carry out laying to total number of plies to be 26 layers, finally
Molding, which is placed on press, carries out heat-pressure curing, and press temperature is gradually forced into 5GPa when reaching 80 DEG C, when temperature is 80 DEG C
The 5GPa that pressurizes keeps the temperature 1h, is forced into 13GPa while being warming up to 135 DEG C, and pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature
After solidification, carbon fiber upper cover plate (1) blank is removed from the mold by 1h20min, and polishing processes blade and is glued slot；
The compression molding of S2 lower cover plate: mold is first preheating to 40~50 DEG C, preheating time 15min, then in mold upper and lower mould
Release agent is smeared on face, and starts laying operation after release agent volatile dry, is got ready according to carbon fiber lower cover plate (2) size
FAW200 carbon fiber 3K twill prepreg cloth, specification are respectively 26 layers of 900mm × 900mm, 26 layers of 455mm × 455mm, 9 layers of 275mm
× 275mm, 4 layers of 1000mm × 23mm and 4 layer of 1000mm × 19mm, first with the prepreg cloth of 900mm × 900mm in upper and lower die face
After two to three layers of laying, that is, starts by specific thickness the die face above and below mold and carry out laying to 26 layers, then according to rule on mold
Fixed size, position and thickness is successively complete by prepreg cloth laying, and finally molding, which is placed on press, carries out heat-pressure curing, press
Temperature is gradually forced into 5GPa when reaching 80 DEG C, pressurization 5GPa keeps the temperature 1h, pressurization while being warming up to 135 DEG C when temperature is 80 DEG C
To 13GPa, pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature 1h20min, after solidification, by carbon fiber lower cover plate (2) hair
Base is removed from the mold, and polishing processes blade and is glued slot；
Embedded carbon fiber blade (3) compression molding of S3: mold is first preheating to 40~50 DEG C, preheating time 15min, then
Release agent is smeared on mold cavity surface and die joint, and after release agent volatile dry start laying operation, with having a size of
After two to three layers of laying of twill prepreg cloth of the FAW200 carbon fiber 3K of 100mm × 400mm, that is, start by defined size and thickness
It is 29 layers that laying to total number of plies is carried out in die cavity, and finally molding, which is placed on press, carries out heat-pressure curing, and press temperature arrives
5GPa is gradually forced into when up to 80 DEG C, pressurization 5GPa keeps the temperature 0.5h when temperature is 80 DEG C, is forced into while being warming up to 135 DEG C
13GPa, pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature 45min, after solidification, by embedded carbon fiber blade (3) hair
Base is removed from the mold, finally polishing processing；
S4 assembles draught fan impeller: by carbon fiber upper cover plate (1), carbon fiber lower cover plate (2) and the embedded carbon fiber after machine-shaping
Dimension blade (3) is assembled into draught fan impeller.
8. a kind of manufacturing method of carbon fibre composite draught fan impeller according to claim 7, which is characterized in that described
Carbon fiber upper cover plate (1) and carbon fiber lower cover plate (2) curing process be temperature reach 80 DEG C when be gradually forced into
5GPa, pressurization 5GPa keeps the temperature 1h when temperature is 80 DEG C, is forced into 13GPa while being warming up to 135 DEG C, when temperature is 135 DEG C
Pressurize 13GPa, and keeps the temperature 1h20min.
9. a kind of manufacturing method of carbon fibre composite draught fan impeller according to claim 7, which is characterized in that described
The curing process of embedded carbon fiber blade (3) is that 5GPa is gradually forced into when temperature reaches 80 DEG C, and temperature adds when being 80 DEG C
It presses 5GPa to keep the temperature 0.5h, is forced into 13GPa while being warming up to 135 DEG C, pressurize 13GPa when temperature is 135 DEG C, and keeps the temperature
45min。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486323A (en) * | 2019-08-26 | 2019-11-22 | 吴江市亨冠机械有限公司 | A kind of integral wheel production technology |
| WO2022105210A1 (en) * | 2020-11-18 | 2022-05-27 | 至玥腾风科技集团有限公司 | Back-to-back disposed compressor |
| WO2022105209A1 (en) * | 2020-11-18 | 2022-05-27 | 至玥腾风科技集团有限公司 | Air-cooled compressor |
| US11739762B1 (en) | 2022-09-29 | 2023-08-29 | Howden Turbo Gmbh | Composite impeller with replaceable blades |
-
2019
- 2019-05-05 CN CN201910366245.9A patent/CN110056538A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486323A (en) * | 2019-08-26 | 2019-11-22 | 吴江市亨冠机械有限公司 | A kind of integral wheel production technology |
| CN110486323B (en) * | 2019-08-26 | 2020-12-15 | 吴江市亨冠机械有限公司 | Integral impeller production process |
| WO2022105210A1 (en) * | 2020-11-18 | 2022-05-27 | 至玥腾风科技集团有限公司 | Back-to-back disposed compressor |
| WO2022105209A1 (en) * | 2020-11-18 | 2022-05-27 | 至玥腾风科技集团有限公司 | Air-cooled compressor |
| US11739762B1 (en) | 2022-09-29 | 2023-08-29 | Howden Turbo Gmbh | Composite impeller with replaceable blades |
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