CN110107449A - A kind of fan blade and its processing technology - Google Patents
A kind of fan blade and its processing technology Download PDFInfo
- Publication number
- CN110107449A CN110107449A CN201910186267.7A CN201910186267A CN110107449A CN 110107449 A CN110107449 A CN 110107449A CN 201910186267 A CN201910186267 A CN 201910186267A CN 110107449 A CN110107449 A CN 110107449A
- Authority
- CN
- China
- Prior art keywords
- flabellum
- mounting disc
- fan blade
- root
- formpiston
- 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
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- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 241000883990 Flabellum Species 0.000 claims abstract description 133
- 238000000465 moulding Methods 0.000 claims abstract description 29
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000004382 potting Methods 0.000 claims description 11
- 239000006188 syrup Substances 0.000 claims description 11
- 235000020357 syrup Nutrition 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- -1 polytetrafluoroethylene ethylene Polymers 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 238000010422 painting Methods 0.000 claims description 2
- 238000007592 spray painting technique Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C70/34—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of fan blade of fan blade technical field and its processing technologys, the structure of the fan blade includes mounting disc and several flabellums, mounting disc is equipped with fastening end cap on one end face, mounting groove corresponding with flabellum is uniformly provided with through mounting disc periphery wall, and mounting groove is arranged through one end face of mounting disc, clamping boss is provided in mounting groove, flabellum includes flabellum root and the flabellum ontology being wholely set with flabellum root, the trapezoidal setting of flabellum root section, flabellum root are provided with card slot close to mounting disc one end；The fan blade processing technology, which is followed successively by, prepares molding die, laying, solidification, demoulding, polishing surface and spray painting.The present invention has the advantages of being easily installed, improving the performance of flabellum root, extend the service life of blower, improve blower quality.
Description
Technical field
The present invention relates to fan blade technical fields, more particularly, to a kind of fan blade and its processing technology.
Background technique
Fan blade is shell structure made of a kind of composite material, and structure includes three root, shell, keel portions
Point；Fan blade is provided with different blowers different fan blades mainly for all kinds of fan designs, and fan blade is being made
Main during making includes being manufactured mold, laying, being heating and curing, demould, polish surface and spray painting etc..
Currently used fan blade includes integral blower blade and split type fan blade, and integral blower blade is
By several blade one-pass moldings on same blower, then integral installation is on the rotating shaft；Split type fan blade is will be same
Several blades of blower are separately formed, and then several blades are respectively assembled in the mounting disc of blade, are finally mounted on and are turned again
On moving axis.
Notification number is that the application documents of CN103174600A disclose a kind of fan blade, which includes upper casing
And lower casing, upper casing and lower casing dock to form Blower Housing, are provided with shear web, shearing resistance in the cavity formed inside Blower Housing
The top of web is fixedly connected with the spar cap on upper casing, and the bottom end of shear web is fixedly connected with the spar cap on lower casing, in shearing resistance
Connector is provided between web and the rear of fan blade, connector is located in the cavity formed inside Blower Housing, connector
It is fixedly connected respectively with upper casing and lower casing.
In use, fan blade moves the fan blade for a long time, and root is easy to happen fracture, leads to wind
Machine integrally damages, and influences service life of fan.
Summary of the invention
Goal of the invention one of the invention is the provision of a kind of fan blade, have be easily installed flabellum, to mounting disc with
The advantages of junction of flabellum is reinforced, and extends the service life of blower, improves blower quality.
Foregoing invention purpose one of the invention has the technical scheme that
A kind of fan blade, including mounting disc and several flabellums being installed in the mounting disc, on one end face of mounting disc
Fastening end cap for being clamped the flabellum is installed, is uniformly provided with peace corresponding with flabellum through the mounting disc periphery wall
Tankage, and the mounting groove is arranged through one end face of mounting disc, is provided with clamping boss in the mounting groove, the flabellum includes
The flabellum root being connect with the mounting disc and the flabellum ontology being wholely set with the flabellum root, the flabellum root section
Trapezoidal setting, the flabellum root is provided with close to mounting disc one end can be embedded in mounting groove and mutually block with clamping boss
The card slot connect.
By implementing above-mentioned technical proposal, adjusting and fasten end cap, fastening end cap is separated with mounting disc, then flabellum is installed,
It will be clamped the access section of boss face card slot, pushes card slot, so that card slot and clamping boss clamping, while making card slot insertion installation
In slot, successively remaining flabellum is installed in mounting disc, after flabellum is installed, adjusts and fastens end cap, so that fastening end cap
Flabellum is clamped in mounting disc；The flabellum root of the trapezoidal setting in section, can be improved the performance of flabellum root, extends blower
Service life improves blower quality；It is clamped boss and card slot is convenient for the installation of flabellum and mounting disc, while can be to mounting disc and fan
Reinforced the junction of leaf.
The present invention is further arranged to, and is provided with intermeshing on the side wall that the clamping boss and card slot are mutually clamped
Locking tooth.
By implementing above-mentioned technical proposal, when clamping boss and card slot are mutually clamped, clamping boss and card slot adjacent wall
On retaining tooth engagement, clamping boss is mutually clamped with the engaging tooth on card slot, so that being clamped boss and card slot along flabellum length
Direction is clamped, and the switching performance of clamping boss and card slot is improved.
The present invention is further arranged to, the deep floor being provided in the mounting disc at Yu Suoshu mounting groove, institute
It states deep floor to be uniformly distributed on the periphery wall of the mounting disc, each trapezoidal setting in deep floor section, and
The deep floor stretches out described one section of mounting disc and is bolted with flabellum root.
Bolt by implementing above-mentioned technical proposal, after flabellum is installed in mounting disc, on flabellum root and deep floor
Hole alignment, installs bolt, so that flabellum root is bonded with deep floor；The connection of the bolt of deep floor and flabellum can subtract
The stress of small flabellum root improves the intensity of flabellum root, extends service life of fan.
The present invention is further arranged to, and is provided on an end face of the installation dish opening setting and is fastened end cap screw thread company
The rotary table connect, the described end cap one end that fastens are connected to the flabellum root on the side wall of card slot side.
By implementing above-mentioned technical proposal, rotation fastens end cap, separates so that fastening end cap with rotary table, adjusts bolt, make
It obtains bolt to separate with flabellum and mounting disc, flabellum can be dismantled from mounting disc, damage flabellum is repaired or carried out
Flabellum is reinstalled in mounting disc by flabellum replacement after the completion of flabellum replacement or reparation, and rotation fastens end cap, so that fastening
End cap is locked with rotary table, while being fastened end cap one end and being pushed against on the surface of flabellum root；Fasten the spiral shell of end cap and rotary table
Line connection can fasten flabellum.
The present invention is further arranged to, and is evenly arranged with several rotations on the fastening end face of the end cap far from the rotary table
Fin.
By implementing above-mentioned technical proposal, rotation fin is adjusted, rotation fin, which drives, fastens end cap movement, fastens end cap and turns
It is dynamic, it turns to and fastens end cap and separated with rotary table, adjusting bolt can be by flabellum from peace so that bolt is separated with flabellum and mounting disc
It is dismantled in sabot, flabellum is modified or is replaced, after the completion of flabellum replacement or finishing, flabellum is reinstalled in installation
On disk, rotation fin is adjusted, rotation fin, which drives, fastens end cap movement, fastens end cap rotation, turns to and fasten end cap and rotary table
Locking, while fastening end cap one end and being pushed against on the surface of flabellum root；Rotation fin can carry out concentration force to end cap is fastened,
Convenient for fastening end cap rotation.
The present invention is further arranged to, and the flabellum ontology includes skeleton and the shell that is coated on outside the skeleton, described
This body section of flabellum is in wing setting.
By implementing above-mentioned technical proposal, skeleton can enhance flabellum intensity, while the hollow setting of flabellum, can save former material
Material reduces flabellum processing cost, while reducing flabellum quality, so that stress reduces at flabellum blade root, that improves flabellum uses the longevity
Life；This body section of flabellum is arranged in aerofoil profile, can reduce the air drag being subject to during flabellum rotation.
Goal of the invention two of the invention is to provide a kind of processing technology of fan blade have and be filled into convenient for potting syrup
The advantages of forming blade surface quality, is improved in type region.
Goal of the invention two of the invention is achieved through the following technical solutions: a kind of processing technology of fan blade, packet
Include following steps,
Step 1: mold being manufactured according to the geometric dimension of flabellum and chamfered shape, the molding die includes formpiston and yin
Mould；
Step 2: carrying out layer-by-layer laying in formpiston inner cavity, then mounting framework, then layer-by-layer laying is carried out to former inner cavity；
Step 3: after the completion of laying, the molding chamber that formpiston is formed with former being vacuumized；
Step 4: being poured by the cast gate of molding die into the forming cavity room that formpiston is formed with former；
Step 5: after the potting syrup in formpiston and former is completely cooling, demoulding；
Step 6: after the completion of demoulding, being polished and modified according to the geometric dimension of flabellum and chamfered shape；
Step 7: painting to flabellum；
Step 8: mounting disc passes through machining molding.
By implementing above-mentioned technical proposal, firstly, preparing formpiston, formpiston according to the drawing requirement and chamfered shape of flabellum
Die sinking is turned over after the completion of preparation again, molding die preparation is completed, and molding die is convenient for the moulding by casting of fan blade；Moulding by casting
Before mold, successively laying first carried out to formpiston inner cavity, after the completion of laying, skeleton is placed to laying surface, then to former inner cavity
Successively laying is carried out, molding die inner cavity laying is convenient for reinforcing flabellum quality, convenient for improving flabellum intensity；Laying is completed
Afterwards, formpiston and former junction are fastened and is sealed by sealing element and fixing piece, it is right after formpiston and former sealed connection
The molding chamber that formpiston is formed with former is vacuumized, after molding chamber vacuumizes, so that being formed in forming cavity room with extraneous
Draught head is convenient for potting syrup filling molding region, improves molding blade surface quality, avoids the occurrence of and be poured situation not in place；
Then potting syrup is injected into molding chamber, so that potting syrup filling molding region；Then standing cooling is carried out to molding die,
After flabellum forms completely, fixing piece and sealing element are adjusted, then adjust former, so that former is separated with formpiston, flabellum is carried out
Demoulding；After demoulding, operator according to the geometric dimension of flabellum and chamfered shape by turning tool to flabellum carry out finishing and
Polishing, flabellum is modified and is polishing to meet the geometric dimension of flabellum with and chamfered shape requirement；Finally paint；It will be golden
Belong to part to be placed in numerically-controlled machine tool, metal block is positioned, metal block is processed by numerically-controlled machine tool, so that mounting disc
Molding.
The present invention is further arranged to, in step 1 formpiston with and female mould forming described in flabellum surface be both needed to grinding with throwing
Light.
By implementing above-mentioned technical proposal, the molded surface of formpiston and former is first ground, then is polished, is improved
The bright and clean degree on former and male mould forming surface mentions simultaneously convenient for potting syrup along the surface flow of the molding cavity of molding die
The finish of high flabellum outer surface.
The present invention is further arranged to, and the surface after formpiston and former polishing is uniformly coated with polytetrafluoroethylene ethylene layer.
By implementing above-mentioned technical proposal, non-stick, the reduction of flabellum with former and formpiston is can be improved in polytetrafluoroethylene ethylene layer
Frictional force between potting syrup and the molded surface of molding die improves the mobility of potting syrup.
In conclusion the invention has the following advantages:
One, the fan blade and its processing technology, the mounting disc of design and flabellum, are easily installed, and flabellum root section is trapezoidal
Setting, can be improved the performance of flabellum root, while can reinforce the junction of mounting disc and flabellum, extends the use of blower
Service life improves blower quality；
Two, the fan blade and its processing technology, the deep floor of design can convenient for reinforcing mounting disc and flabellum junction
Reduce the stress of flabellum root, extends service life of fan.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the fan blade of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the flabellum of the embodiment of the present invention 1.
Fig. 3 is the enlarged drawing in the portion A in Fig. 2, it is intended to indicate the structure of embeded slot.
Fig. 4 is the structural schematic diagram of the mounting disc of the embodiment of the present invention 1.
Fig. 5 is the cut-away view in the face B-B in Fig. 2, it is intended to indicate the structure of flabellum ontology.
Appended drawing reference: 1, mounting disc；11, rotary table；12, mounting groove；13, it is clamped boss；131, it is clamped item；14, ribs
Plate；2, flabellum；21, flabellum root；211, card slot；212, embeded slot；22, flabellum ontology；221, skeleton；222, shell；23, only
Move back tooth；3, end cap is fastened；31, fin is rotated.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the embodiment of the present invention is described.
Embodiment 1
As shown in Figure 1, a kind of fan blade, including mounting disc 1 and three groups of flabellums 2 being installed in mounting disc 1, mounting disc 1 one
It is provided with the fastening end cap 3 for being clamped flabellum 2 on end face, is uniformly provided with through 1 periphery wall of mounting disc corresponding with flabellum 2
Three groups of mounting grooves 12, and three groups of mounting grooves 12 are arranged through 1 one end face of mounting disc, and it is convex that clamping has been wholely set in mounting groove 12
Platform 13, flabellum 2 include the flabellum root 21 connecting with mounting disc 1 and the flabellum ontology 22 being wholely set with flabellum root 21, fan
The trapezoidal setting in 21 section of blade root, referring to Fig. 3, flabellum root 21 is provided with close to 1 one end of mounting disc can be embedded at mounting groove
The card slot 211 being clamped in 12 and with clamping boss 13, card slot 211 are wholely set with flabellum 2, and referring to fig. 2, the opening of mounting disc 1 is set
It has been wholely set rotary table 11 on the end face set, has fastened the groove for offering on 3 one end face of end cap and cooperating with rotary table 11, does not show in figure
Out, it fastens end cap 3 to be connected on side wall of the flabellum root 21 far from 211 side of card slot equipped with groove one end, it is separate to fasten end cap 3
Three groups of rotation fins 31 are evenly arranged on the end face of groove, three groups of rotation fins 31 are wholely set with end cap 3 is fastened.
As shown in Fig. 2, be provided at each mounting groove 12 on 12 periphery wall of mounting disc and it is equally distributed plus
Strong floor 14, and each deep floor 14 is respectively positioned on immediately below clamping boss 13 and is arranged, the section of deep floor 14 is trapezoidal to be set
It sets, deep floor 14 stretches out 1 one sections of mounting disc and is bolted with flabellum root 21.
As shown in Figures 2 and 3, clamping boss 13 is wholely set with mounting disc 1, and clamping boss 13 includes three groups and is arranged in parallel
Clamping item 131 and be located at clamping 131 root of item, card slot 211 includes three groups of embeded slots 212 positioned at flabellum root 21, referring to
Fig. 4 is clamped on the side wall that item 131 and embeded slot 212 are mutually clamped and is provided with intermeshing locking tooth 23.
As shown in figure 5, flabellum ontology 22 includes the skeleton 221 in flabellum ontology 22 and is coated on outside skeleton 221
Shell 222,22 section of flabellum ontology are in wing setting.
The installation process of flabellum 2 and mounting disc 1 of the invention are as follows: the fitting portion of the alignment embeded slot 212 of item 131 will be clamped
Point, push flabellum 2 move to 12 side of mounting groove, clamping item 131 and corresponding embeded slot 212 are fitted into, at the same be clamped item 131 with it is embedding
The locking tooth 23 for closing slot 212 is intermeshed, and card slot 211 and clamping boss 13 are clamped along 2 length direction of flabellum, and card slot 211 is embedded in
In mounting groove 12, while flabellum root 21 is aligned with the bolt hole of deep floor 14, install bolt so that flabellum root 21 with plus
Strong floor 14 is bonded, and successively installs remaining two groups of flabellum 2, after being installed, will be fastened 3 face rotary table 11 of end cap, is adjusted
Fin 31 is rotated, rotation fin 31, which drives, fastens the movement of end cap 3, fastens end cap 3 and rotates, turns to and fasten end cap 3 and rotary table 11
Locking, while fastening 3 one end of end cap and being pushed against on side wall of the flabellum root 21 far from 211 side of card slot.
Embodiment 2
A kind of fan blade processing technology, the procedure of processing of flabellum 2 are as follows:
Step 1: it is manufactured mold, formpiston is manufactured according to the geometric dimension of flabellum 2 and chamfered shape first, after male mould forming,
Die sinking is turned over after the completion of former manufacture according to formpiston, and abrasive pastes are uniformly smeared to the surface of formpiston and female mould forming flabellum respectively,
Operator carries out hand lapping by Brown Alundum, is finally polished again by 400 mesh sand paper, then throws in formpiston and former
Uniformly smear polytetrafluoroethylene ethylene layer in surface after light；
Step 2: carrying out layer-by-layer laying in formpiston inner cavity, first laying glass layer, be secondly laid with gel coat, be then laid with
Nexus is finally laid with cystosepiment, then carries out skeleton 221 and installs, then is successively laid with glass layer to former inner cavity, is laid with
Gel coat, nexus and cystosepiment；
Step 3: after the completion of laying, sealant is smeared to former and formpiston junction, then first formpiston and former are fastened,
Finally the molding chamber that formpiston is formed with former is vacuumized；
Step 4: being poured by the cast gate of molding die into the forming cavity room that formpiston is formed with former；
Step 5: standing cooling being carried out to the potting syrup in former and formpiston, until formpiston and the potting syrup in former are completely cold
But, former is then adjusted, so that former is separated with anode membrane, flabellum 2 is demoulded；
Step 6: after the completion of demoulding, according to the geometric dimension and chamfered shape of flabellum 2, operator passes through file and 1200 mesh sand
Finishing and polishing of the paper to flabellum 2；
Step 7: to 2 primer spray of flabellum, then carrying out surfacing, then topcoating, then carry out counterweight, then last installation inscription
Board, center of gravity point identification, finally weigh；
The procedure of processing of mounting disc 1 is as follows:
Step 8: mounting disc 1 passes through machining molding: requiring selection metal block according to the size of mounting disc 1, passes through lathe pair
Metal block carry out roughing, then the metal block after processing is placed in numerical control milling machine tool and is processed, be made mounting disc 1 at
Product,
After processing is completed to flabellum 2 and mounting disc 1, install according to the mode of embodiment 1 up to fan blade, in step 3
The priming paint that is sprayed from the B-15 mold sealant of Shanghai Mansi Industrial Co., Ltd., step 7 of sealant buying it is anti-for metal
Rotten priming paint.
Claims (9)
1. a kind of fan blade, which is characterized in that including mounting disc (1) and several flabellums being installed on the mounting disc (1)
(2), it is provided with the fastening end cap (3) for being clamped the flabellum (2) on (1) one end face of mounting disc, runs through the installation
Disk (1) periphery wall is uniformly provided with mounting groove (12) corresponding with flabellum (2), and the mounting groove (12) runs through mounting disc (1)
The setting of one end face, the mounting groove (12) is interior to be provided with clamping boss (13), and the flabellum (2) includes and the mounting disc (1)
The flabellum root (21) of connection and the flabellum ontology (22) being wholely set with the flabellum root (21), the flabellum root (21)
The trapezoidal setting in section, the flabellum root (21) be provided with close to mounting disc (1) one end can be embedded in mounting groove (12) and
The card slot (211) being mutually clamped with clamping boss (13).
2. a kind of fan blade according to claim 1, which is characterized in that the clamping boss (13) and card slot (211)
Intermeshing locking tooth (23) are provided on the side wall being mutually clamped.
3. a kind of fan blade according to claim 1, which is characterized in that be provided with and be located at Yu Suoshu mounting groove (12)
Deep floor (14) on the mounting disc (12), the deep floor (14) are uniformly distributed in the periphery of the mounting disc (1)
On wall, the trapezoidal setting in each deep floor (14) section, and the deep floor (14) stretches out the mounting disc (1)
One section is bolted with flabellum root (21).
4. a kind of fan blade according to claim 1, which is characterized in that one end of mounting disc (1) the opening setting
The rotary table (11) being threadedly coupled with fastening end cap (3) is provided on face, described fastening end cap (3) one end is connected to the flabellum root
Portion (21) is on the side wall of card slot (211) side.
5. a kind of fan blade according to claim 4, which is characterized in that the fastening end cap (3) is far from the rotary table
(11) several rotation fins (31) are evenly arranged on end face.
6. a kind of fan blade according to claim 1, which is characterized in that the flabellum ontology (22) includes skeleton
(221) and it is coated on the shell (222) of the skeleton (221) outside, described flabellum (2) this body section is in wing setting.
7. a kind of fan blade processing technology, which comprises the steps of:
Step 1: mold is manufactured according to the geometric dimension of flabellum (2) and chamfered shape, the molding die include formpiston and
Former；
Step 2: carrying out layer-by-layer laying in formpiston inner cavity, then mounting framework (221), then layer-by-layer laying is carried out to former inner cavity；
Step 3: after the completion of laying, the molding chamber that formpiston is formed with former being vacuumized；
Step 4: being poured by the cast gate of molding die into the forming cavity room that formpiston is formed with former；
Step 5: after the potting syrup in formpiston and former is completely cooling, demoulding；
Step 6: after the completion of demoulding, being polished and modified according to the geometric dimension of flabellum (2) and chamfered shape；
Step 7: painting to flabellum (2)；
Step 8: mounting disc (1) passes through machining molding.
8. a kind of fan blade processing technology according to claim 7, which is characterized in that in step 1 formpiston and former at
The surface of type flabellum (2) is by grinding and polishing.
9. a kind of fan blade processing technology according to claim 8, which is characterized in that the table after formpiston and former polishing
Face is uniformly coated with polytetrafluoroethylene ethylene layer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183396A (en) * | 2021-11-26 | 2022-03-15 | 苏州睿昕汽车配件有限公司 | Assembled fan and assembling method thereof |
| CN115388035A (en) * | 2022-07-14 | 2022-11-25 | 武汉工程大学 | Industrial large fan blade made of composite material and manufacturing method |
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| CN2644731Y (en) * | 2003-08-01 | 2004-09-29 | 吴宇宏 | Ventilating fan structure capable of transforming blades |
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| CN2137292Y (en) * | 1992-10-13 | 1993-06-30 | 梅长生 | Wind turbine for aero-generator |
| CN2588093Y (en) * | 2002-12-01 | 2003-11-26 | 林申友 | Miniature fan |
| CN2644731Y (en) * | 2003-08-01 | 2004-09-29 | 吴宇宏 | Ventilating fan structure capable of transforming blades |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114183396A (en) * | 2021-11-26 | 2022-03-15 | 苏州睿昕汽车配件有限公司 | Assembled fan and assembling method thereof |
| CN115388035A (en) * | 2022-07-14 | 2022-11-25 | 武汉工程大学 | Industrial large fan blade made of composite material and manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN110107449B (en) | 2021-01-05 |
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