CN105909555A - Double-sided impeller and machining method for same - Google Patents
Double-sided impeller and machining method for same Download PDFInfo
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- CN105909555A CN105909555A CN201610383512.XA CN201610383512A CN105909555A CN 105909555 A CN105909555 A CN 105909555A CN 201610383512 A CN201610383512 A CN 201610383512A CN 105909555 A CN105909555 A CN 105909555A
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- Prior art keywords
- disc
- rotary table
- main rotary
- hole
- wheel disc
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Classifications
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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
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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
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a double-sided impeller. The double-sided impeller comprises a front impeller disc, a main impeller disc and a rear impeller disc; a plurality of front blades are uniformly distributed on the surface of the front impeller disc and are arranged radially along the radius of the front impeller disc; all front blades have the same deflection angle; a plurality of rear blades are uniformly distributed on the surface of the rear impeller disc and are arranged radially along the radius of the rear impeller disc; all rear blades have the same deflection angle; a first through hole is formed in the center of the front impeller disc; a second through hole is formed in the main impeller disc; a third through hole is formed in the center of the rear impeller disc; the first through hole, the second through hole and the third through hole correspond to one another; the front impeller disc, the main impeller disc and the rear impeller disc are fixedly connected in sequence; the front impeller disc clings to the front surface of the main impeller disc; the rear impeller disc clings to the back surface of the main impeller disc. The double-sided impeller is simple in assembly mode and capable of increasing the quantity and the pressure of exhausted air of a fan.
Description
Technical field
The present invention relates to impeller manufacturing process field, be specifically related to a kind of double-impeller and processing thereof
Method.
Background technology
It is currently used for the metallic impeller of aerator, generally comprises spider and be fixed on the leaf of base plate
Sheet, blade is uniformly distributed along the circumference of base plate, such as patent CN201310268357.3.This type of
The assembling mode of impeller, for blade is riveted on base plate one by one, becomes an impeller, this
Sample is to ensure that blade can be fixedly mounted on base plate, and has enough ruggedness, but
So to need first multiple structures for impeller to prepare different moulds, and produce blade and
Base plate, assembling the most one by one, this assembling mode cost of labor is big, long processing time, raw
Product efficiency is low, and the mounting arrangement easily causing impeller is uneven, and blade is to use point even
The mode connect is fixed with base plate, and base plate is to blade only to the support force put, and support force is weak, leaf
Sheet is easily deformed in operation, affects quality and the using effect of blower fan.
Summary of the invention
In order to overcome the deficiencies in the prior art, first purpose of the present invention is to provide a kind of double
Surface impeller, this double-impeller assembling mode is simple, increases blower fan air output and air-out blast.
Realize the purpose of the present invention to reach by adopting the following technical scheme that:
A kind of double-impeller, including front wheel disc, main rotary table and rear trochal disc；The table of described front wheel disc
Several front vanes it are evenly distributed with on face；Described front vane and front wheel disc are formed in one knot
Structure；Several front vanes described arrange radially along the radius of front wheel disc；Described before each
Blade all has identical deflection angle；It is evenly distributed with several on the surface of described rear trochal disc
Rear blade；Described rear blade and rear trochal disc are formed in one structure；Several rear blade edges described
The radius of rear trochal disc arranges radially；Each rear blade described has identical deflection angle
Degree；
The center of described front wheel disc is provided with the first through hole；Described main rotary table is provided with the second through hole；
The center of described rear trochal disc is provided with third through-hole；Described first through hole, the second through hole and threeway
Hole is in correspondence with each other；Described front wheel disc, main rotary table and rear trochal disc are fixedly connected sequentially；Described front-wheel
Dish is fitted in the front of main rotary table, and rear trochal disc is fitted in the back side of main rotary table.
As preferably, the plane of each front vane described is orthogonal with the surface of front wheel disc；
The plane of each rear blade described is orthogonal with the surface of rear trochal disc.
The fixing connected mode of described front wheel disc, main rotary table and rear trochal disc includes but not limited to: glue
Close, weld, rivet, engage and fasten.
As preferably, the quantity of described front vane and rear blade is 10；Described front vane
It it is 20 ° with the angle of rear blade Yu vertical direction.
As preferably, the quantity of described front vane and rear blade is 12；Described front vane
It it is 10 ° with the angle of rear blade Yu vertical direction.
As preferably, described double-impeller also includes protruding shaft；Described protruding shaft includes that connecting portion is with solid
Determine portion；Described connecting portion wears third through-hole, the second through hole and the first through hole；Described fixed part
Keep out and be fixed on the surface of rear trochal disc.
The fixed part of described protruding shaft and the fixed form of rear trochal disc include but not limited to: glued, weldering
Connect and rivet.Preferably, the fixed part of described protruding shaft and front wheel disc, main rotary table, rear trochal disc
Fixed form is for rivet by inner ring rivet；More preferably, described inner ring rivet is along first
Through hole circumferentially distributed；Described inner ring rivet is successively by front wheel disc, main rotary table, rear trochal disc and solid
Determine portion's riveting.
As preferably, the fixing connected mode of described front wheel disc, main rotary table and rear trochal disc is for passing through
Outer ring rivet rivets；More preferably, described outer ring rivet is equal along the edge circumference of front wheel disc
Even distribution；Front wheel disc, main rotary table and rear trochal disc are riveted by described outer ring rivet successively.
As preferably, the front vane of described front wheel disc is provided with front buckling piece；Described front buckling piece
Stretch out from the edge of front vane；Described front buckling piece turns down backward and is fastened on main rotary table
Edge；The rear blade of described rear trochal disc is provided with rear buckling piece；Described rear buckling piece is from rear blade
Edge stretch out；Described rear buckling piece turns down forward and is fastened on the edge of main rotary table.
For the deficiencies in the prior art, further object is that a kind of two-sided leaf of offer
The processing method of wheel, front wheel disc, main rotary table and rear trochal disc are quickly assembled into blower fan and use by the method
Impeller, it is ensured that realize the automated production of impeller while the ruggedness of impeller, improve life
Produce efficiency.
For achieving the above object, the present invention adopts the following technical scheme that
The processing method of above-mentioned double-impeller, comprises the following steps:
1) front-wheel disc molding: plate stamping is become the plane of front wheel disc and around this plane
The front vane being evenly distributed, the planar central of front wheel disc is provided with the first through hole；Then by front vane
Flip up, wheel disc before being formed；
2) rear trochal disc molding: plate stamping is become the plane of rear trochal disc and around this plane
The rear blade being evenly distributed, the planar central of rear trochal disc is provided with third through-hole；Then by rear blade
Flip up, form rear trochal disc；
3) main rotary table molding: plate stamping is become the plane of main rotary table, the plane of main rotary table
Center is provided with the second through hole；Form main rotary table；
4) connection of front wheel disc, main rotary table and rear trochal disc: by front wheel disc, main rotary table and trailing wheel
Dish is fixing to be connected, and front wheel disc is fitted in the front of main rotary table, and rear trochal disc is fitted in the back of the body of main rotary table
Face, obtains double-impeller.
Preferably: the processing method of double-impeller also includes step 5) protruding shaft is installed: described convex
Axle includes connecting portion and fixed part；Described connecting portion wears third through-hole, the second through hole and first
Through hole；The surface of rear trochal disc is kept out and be fixed on to described fixed part.
In preferably: step 4), the fixing connection of described front wheel disc, main rotary table and rear trochal disc
Mode is: front wheel disc, main rotary table are riveted mutually with rear trochal disc by outer ring rivet.
Preferably: described outer ring rivet is evenly distributed along the edge circumference of front wheel disc.
In preferably: step 1), the edge along front vane stamps out front buckling piece；Before described
Buckling piece stretches out from the edge of front vane；Step 2) in, along the edge punching press of rear blade
Go out rear buckling piece；Described rear buckling piece stretches out from the edge of rear blade；Step 4) in,
Front wheel disc, main rotary table and rear trochal disc fix connected mode: turned down backward by front buckling piece and detain
It is combined in the edge of main rotary table, rear buckling piece turns down forward and is fastened on the edge of main rotary table.
Compared to existing technology, the beneficial effects of the present invention is:
1, it is not required to screw between blade and the impeller of the double-impeller of the present invention or rivet is fixed,
The quantity of parts is also greatly decreased, the lighter in weight of double-impeller, and resistance is little, reduces motor
Load；
2, the double-impeller of the present invention is before the front and back installation of main rotary table is blade-carrying
Wheel disc and rear trochal disc, thus improve blower fan air output and air-out blast, significantly enhance blower fan
Performance；After it addition, impeller improves the heat radiation of rear intake, beneficially motor, plays more
Good radiating effect；
3, the double-impeller of the present invention preferably passes through outer ring rivet or buckling piece by forward and backward wheel disc
Connect with main rotary table；When junction point is positioned at edge, moment is the longest, forward and backward wheel disc and main wheel
Conjugation between dish is higher, when main rotary table rotates, it is possible to uniformly transfer rotatory force and drive
Forward and backward wheel disc rotates；
4, the structure of bilobed wheel of the present invention makes the rigidity of impeller bodies more excellent with intensity；
5, the double-impeller of the present invention uses the structure that forward and backward wheel disc and main rotary table coordinate, main
The front and back of wheel disc strengthens the support to front wheel disc and rear trochal disc, particularly, frontal lobe respectively
Between the surface of sheet and front wheel disc, the surface of rear blade and rear trochal disc be respectively formed folding line, main wheel
Dish provides line support force to folding line, blade plays good supporting role, changes
Blade is put in prior art the defect of support force, and blade is unlikely to deform；
6, in the present invention, the processing method of double-impeller need not the mould of complexity, and structure simplifies,
Front wheel disc, main rotary table and rear trochal disc assemble and can complete, and assembling mode simply and not affects use
Effect.
Accompanying drawing explanation
Fig. 1 is the explosive view of double-impeller of the present invention；
Fig. 2 is the front wheel disc structural representation of the embodiment of the present invention 2；
Fig. 3 is the rear trochal disc structural representation of the embodiment of the present invention 2；
Fig. 4 is the front wheel disc scheme of installation with main rotary table of the embodiment of the present invention 2；
Wherein, 1, front wheel disc；11, front vane；111, front buckling piece；12, the first through hole；
2, main rotary table；21, the second through hole；3, rear trochal disc；31, rear blade；311, fasten afterwards
Part；32, third through-hole；4, protruding shaft；41, connecting portion；42, fixed part；5, inner ring riveting
Nail；6, outer ring rivet.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
With reference to Fig. 1, a kind of double-impeller, including front wheel disc 1, main rotary table 2, rear trochal disc 3
With protruding shaft 4；Several front vanes 11 it are evenly distributed with on the surface of described front wheel disc 1；Described
Front vane 11 and front wheel disc 1 are formed in one structure；Several front vanes 11 described are along front-wheel
The radius of dish 1 arranges radially；Each front vane 11 described has identical deflection
Angle；The plane of each front vane 11 described is orthogonal with the surface of front wheel disc 1；Institute
State and on the surface of rear trochal disc 3, be evenly distributed with several rear blades 31；Described rear blade 31 He
Rear trochal disc 3 is formed in one structure；Several rear blades 31 described are along the radius of rear trochal disc 3
Arrange radially；Each rear blade 31 described has identical deflection angle；Described
The plane of each rear blade 31 is orthogonal with the surface of rear trochal disc 3；
Described front wheel disc 1, main rotary table 2 and rear trochal disc 3 are fixedly connected sequentially；Described front wheel disc
1 front being fitted in main rotary table 2, rear trochal disc 3 is fitted in the back side of main rotary table 2；
The center of described front wheel disc 1 is provided with the first through hole 12；Described main rotary table 2 is provided with
Two through holes 21；The center of described rear trochal disc 3 is provided with third through-hole 32；Described first through hole 12,
Second through hole 21 and third through-hole 32 are in correspondence with each other；Described protruding shaft 4 includes connecting portion 41 He
Fixed part 42；Described connecting portion 41 wears third through-hole the 32, second through hole 21 and first and leads to
Hole 12；The surface of rear trochal disc 3 is kept out and be fixed on to described fixed part 42.
The processing method of above-mentioned double-impeller, comprises the following steps:
1) front wheel disc 1 molding: plate stamping is become the plane of front wheel disc 1 and around this
The front vane 11 that plane is evenly distributed, the planar central of front wheel disc 1 is provided with the first through hole 12；
Then front vane 11 is flipped up, wheel disc 1 before being formed；
2) rear trochal disc 3 molding: plate stamping is become the plane of rear trochal disc 3 and around this
The rear blade 31 that plane is evenly distributed, the planar central of rear trochal disc 3 is provided with third through-hole 32；
Then rear blade 31 is flipped up, form rear trochal disc 3；
3) main rotary table 2 molding: plate stamping is become the plane of main rotary table 2, main rotary table 2
Planar central be provided with the second through hole 21；Form main rotary table 2；
4) front wheel disc 1, main rotary table 2 and the connection of rear trochal disc 3: by front wheel disc 1, main rotary table
2 and rear trochal disc 3 is fixing connects, front wheel disc 1 is fitted in the front of main rotary table 2, rear trochal disc 3
It is fitted in the back side of main rotary table 2；
5) protruding shaft 4 is installed: described protruding shaft 4 includes connecting portion 41 and fixed part 42；Described company
Meet portion 41 and wear third through-hole the 32, second through hole 21 and the first through hole 12；Described fixed part
42 surfaces keeping out and being fixed on rear trochal disc 3, obtain double-impeller.
Specific embodiment
Embodiment 1
With reference to Fig. 1, present embodiment discloses a kind of double-impeller, including front wheel disc 1, main wheel
Dish 2, rear trochal disc 3 and protruding shaft 4；It is evenly distributed with several on the surface of described front wheel disc 1
Front vane 11；Described front vane 11 and front wheel disc 1 are formed in one structure；Described several
Front vane 11 arranges radially along the radius of front wheel disc 1；Each front vane 11 described
There is identical deflection angle；The plane of each front vane 11 described and the table of front wheel disc 1
Face is orthogonal；Several rear blades 31 it are evenly distributed with on the surface of described rear trochal disc 3；
Described rear blade 31 and rear trochal disc 3 are formed in one structure；Several rear blade 31 edges described
The radius of rear trochal disc 3 arranges radially；Each rear blade 31 described has identical
Deflection angle；The plane of each rear blade 31 described is orthogonal with the surface of rear trochal disc 3；
Described front wheel disc 1, main rotary table 2 and rear trochal disc 3 are fixedly connected sequentially；Described front wheel disc
1 front being fitted in main rotary table 2, rear trochal disc 3 is fitted in the back side of main rotary table 2；
The center of described front wheel disc 1 is provided with the first through hole 12；Described main rotary table 2 is provided with
Two through holes 21；The center of described rear trochal disc 3 is provided with third through-hole 32；Described first through hole 12,
Second through hole 21 and third through-hole 32 are in correspondence with each other；Described protruding shaft 4 includes connecting portion 41 He
Fixed part 42；Described connecting portion 41 wears third through-hole the 32, second through hole 21 and first and leads to
Hole 12；The surface of rear trochal disc 3 is kept out and be fixed on to described fixed part 42；Described protruding shaft 4
Fixed part 42 and front wheel disc 1, main rotary table 2, the fixed form of rear trochal disc 3 are by inner ring riveting
Nail 5 rivets；Described inner ring rivet 5 is circumferentially distributed along the first through hole 12；In described
Front wheel disc 1, main rotary table 2, rear trochal disc 3 and fixed part 42 are riveted by circle rivet 5 successively；
The fixing connected mode of described front wheel disc 1, main rotary table 2 and rear trochal disc 3 is for passing through outer ring
Rivet 6 rivets；Described outer ring rivet 6 is uniformly distributed along the edge circumference of front wheel disc 1；
Front wheel disc 1, main rotary table 2 and rear trochal disc 3 are riveted by described outer ring rivet 6 successively.
Starting motor, the output shaft of motor is connected with protruding shaft 4, drives double-impeller to rotate,
The wind that front vane 11 on front wheel disc 1 produces blows out from air outlet, and rear trochal disc 3 rotates simultaneously,
Make rear blade 31 produce the heat that negative pressure takes the motor at rear trochal disc 3 back side away, then by heat from
Air outlet blows out, and strengthens the heat radiation to motor.
Embodiment 2
With reference to Fig. 1,2,3 and combine Fig. 4, the feature of the present embodiment is: described front wheel disc
The front vane 11 of 1 is provided with front buckling piece 111；Described front buckling piece 111 is from front vane 11
Edge stretch out；Described front buckling piece 111 turns down backward and is fastened on the limit of main rotary table 2
Edge；The rear blade 31 of described rear trochal disc 3 is provided with rear buckling piece 311；Described rear buckling piece
311 stretch out from the edge of rear blade 31；Described rear buckling piece 311 turns down forward and detains
It is combined in the edge of main rotary table 2.Remaining structure and features is same as in Example 1.
The present embodiment, without punching press nail, is fixed without outer ring rivet 6, wheel disc 1 before utilizing
On front buckling piece 111, the rear buckling piece 311 of rear trochal disc 3 be connected with main rotary table 2, assemble
In hgher efficiency.
Embodiment 3
The processing method that present embodiment discloses a kind of double-impeller, comprises the following steps:
1) front wheel disc 1 molding: plate stamping is become the plane of front wheel disc 1 and around this
The front vane 11 that plane is evenly distributed, the planar central of front wheel disc 1 is provided with the first through hole 12；
Then front vane 11 is flipped up, wheel disc 1 before being formed；
2) rear trochal disc 3 molding: plate stamping is become the plane of rear trochal disc 3 and around this
The rear blade 31 that plane is evenly distributed, the planar central of rear trochal disc 3 is provided with third through-hole 32；
Then rear blade 31 is flipped up, form rear trochal disc 3；
3) main rotary table 2 molding: plate stamping is become the plane of main rotary table 2, main rotary table 2
Planar central be provided with the second through hole 21；Form main rotary table 2；
4) front wheel disc 1, main rotary table 2 and the connection of rear trochal disc 3: front wheel disc 1 is fitted in
The front of main rotary table 2, rear trochal disc 3 is fitted in the back side of main rotary table 2；Then by outer ring riveting
Nail 6 rivets, and described outer ring rivet 6 is uniformly distributed along the edge circumference of front wheel disc 1；Institute
State outer ring rivet 6 front wheel disc 1, main rotary table 2 and rear trochal disc 3 to be riveted successively；
5) protruding shaft 4 is installed: described protruding shaft 4 includes connecting portion 41 and fixed part 42；Described company
Meet portion 41 and wear third through-hole the 32, second through hole 21 and the first through hole 12；Described fixed part
42 surfaces keeping out and being fixed on rear trochal disc 3, obtain double-impeller.
Embodiment 4
The processing method that present embodiment discloses a kind of double-impeller, comprises the following steps:
1) front wheel disc 1 molding: plate stamping is become the plane of front wheel disc 1, puts down around this
Front vane 11 that face is evenly distributed and the edge along front vane 11 stamp out front buckling piece 111；
Described front buckling piece 111 stretches out from the edge of front vane 11；In the plane of front wheel disc 1
The heart is provided with the first through hole 12；Then front vane 11 is flipped up, wheel disc 1 before being formed；
2) rear trochal disc 3 molding: plate stamping is become the plane of rear trochal disc 3, puts down around this
Rear blade 31 that face is evenly distributed and the edge along rear blade 31 stamp out rear buckling piece 311；
Described rear buckling piece 311 stretches out from the edge of rear blade 31；In the plane of rear trochal disc 3
The heart is provided with third through-hole 32；Then rear blade 31 is flipped up, form rear trochal disc 3；
3) main rotary table 2 molding: plate stamping is become the plane of main rotary table 2, main rotary table 2
Planar central be provided with the second through hole 21；Form main rotary table 2；
4) front wheel disc 1, main rotary table 2 and the connection of rear trochal disc 3: by the front button of front wheel disc 1
Component 111 turns down backward and is fastened on the edge of main rotary table 2, by the rear buckling piece of rear trochal disc 3
311 turn down forward and are fastened on the edge of main rotary table 2；
5) protruding shaft 4 is installed: described protruding shaft 4 includes connecting portion 41 and fixed part 42；Described company
Meet portion 41 and wear third through-hole the 32, second through hole 21 and the first through hole 12；Described fixed part
42 surfaces keeping out and being fixed on rear trochal disc 3, obtain double-impeller.
The present embodiment without punching press nail, is fixed without outer ring rivet 6, utilizes the mould can one
Secondary stamp out front wheel disc 1, front vane 11 and front buckling piece 111；Once stamp out rear trochal disc 3,
Rear blade 31 and rear buckling piece 311；Forward and backward buckling piece 311 is utilized to be connected with main rotary table 2,
Packaging efficiency is higher.
For a person skilled in the art, can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to the protection domain of the claims in the present invention.
Claims (10)
1. a double-impeller, it is characterised in that include front wheel disc, main rotary table and rear trochal disc；
It is evenly distributed with several front vanes on the surface of described front wheel disc；Described front vane and front wheel disc
Be formed in one structure；Several front vanes described arrange radially along the radius of front wheel disc；
Each front vane described has identical deflection angle；On the surface of described rear trochal disc uniformly
Several rear blade is distributed；Described rear blade and rear trochal disc are formed in one structure；If it is described
Dry individual rear blade arranges radially along the radius of rear trochal disc；Each rear blade described has
Identical deflection angle；
The center of described front wheel disc is provided with the first through hole；Described main rotary table is provided with the second through hole；
The center of described rear trochal disc is provided with third through-hole；Described first through hole, the second through hole and threeway
Hole is in correspondence with each other；Described front wheel disc, main rotary table and rear trochal disc are fixedly connected sequentially；Described front-wheel
Dish is fitted in the front of main rotary table, and rear trochal disc is fitted in the back side of main rotary table.
2. double-impeller as claimed in claim 1, it is characterised in that: described before each
The plane of blade is orthogonal with the surface of front wheel disc；The plane of each rear blade described with after
The surface of wheel disc is orthogonal.
3. double-impeller as claimed in claim 1, it is characterised in that: described double-impeller
Also include protruding shaft；Described protruding shaft includes connecting portion and fixed part；Described connecting portion wears threeway
Hole, the second through hole and the first through hole；The surface of rear trochal disc is kept out and be fixed on to described fixed part.
4. double-impeller as claimed in claim 1, it is characterised in that: described front wheel disc,
The fixing connected mode of main rotary table and rear trochal disc is for rivet by outer ring rivet.
5. double-impeller as claimed in claim 1, it is characterised in that: described front wheel disc
Front vane is provided with front buckling piece；Described front buckling piece stretches out from the edge of front vane；Institute
State the edge that front buckling piece turns down backward and is fastened on main rotary table；On the rear blade of described rear trochal disc
It is provided with rear buckling piece；Described rear buckling piece stretches out from the edge of rear blade；Fasten after described
Part turns down forward and is fastened on the edge of main rotary table.
6. the processing method of a double-impeller as claimed in claim 1, it is characterised in that
Comprise the following steps:
1) front-wheel disc molding: plate stamping is become the plane of front wheel disc and around this plane
The front vane being evenly distributed, the planar central of front wheel disc is provided with the first through hole；Then by front vane
Flip up, wheel disc before being formed；
2) rear trochal disc molding: plate stamping is become the plane of rear trochal disc and around this plane
The rear blade being evenly distributed, the planar central of rear trochal disc is provided with third through-hole；Then by rear blade
Flip up, form rear trochal disc；
3) main rotary table molding: plate stamping is become the plane of main rotary table, the plane of main rotary table
Center is provided with the second through hole；Form main rotary table；
4) connection of front wheel disc, main rotary table and rear trochal disc: by front wheel disc, main rotary table and trailing wheel
Dish is fixing to be connected, and front wheel disc is fitted in the front of main rotary table, and rear trochal disc is fitted in the back of the body of main rotary table
Face, obtains double-impeller.
7. the processing method of double-impeller as claimed in claim 6, it is characterised in that: double
The processing method of surface impeller also includes step 5) install protruding shaft: described protruding shaft include connecting portion and
Fixed part；Described connecting portion wears third through-hole, the second through hole and the first through hole；Described fixing
Portion keeps out and is fixed on the surface of rear trochal disc.
8. the processing method of the double-impeller as described in claim 6-7 is arbitrary, its feature exists
In: step 4) in, the fixing connected mode of described front wheel disc, main rotary table and rear trochal disc is:
By outer ring rivet, front wheel disc, main rotary table are riveted mutually with rear trochal disc.
9. the processing method of double-impeller as claimed in claim 8, it is characterised in that: institute
State outer ring rivet to be evenly distributed along the edge circumference of front wheel disc.
10. the processing method of the double-impeller as described in claim 6-7 is arbitrary, its feature exists
In: step 1) in, the edge along front vane stamps out front buckling piece；Described front buckling piece is certainly
The edge of front vane stretches out；Step 2) in, fasten after stamping out along the edge of rear blade
Part；Described rear buckling piece stretches out from the edge of rear blade；Step 4) in, front wheel disc,
Main rotary table and rear trochal disc fix connected mode: turned down backward by front buckling piece and be fastened on main wheel
The edge of dish, turns down forward and is fastened on the edge of main rotary table by rear buckling piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383512.XA CN105909555A (en) | 2016-05-31 | 2016-05-31 | Double-sided impeller and machining method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383512.XA CN105909555A (en) | 2016-05-31 | 2016-05-31 | Double-sided impeller and machining method for same |
Publications (1)
| Publication Number | Publication Date |
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| CN105909555A true CN105909555A (en) | 2016-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586521A (en) * | 2021-08-02 | 2021-11-02 | 叶剑伟 | Blade manufacturing method, blade assembly and manufacturing method thereof and fan |
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| DE1628375A1 (en) * | 1966-06-11 | 1970-08-20 | Siemens Ag | Fan wheel with cylindrical braking surface |
| DE2353456A1 (en) * | 1973-10-25 | 1975-04-30 | Roehrs Werner Dr Kg | Radial blower impeller - in the direction of rotation of blower wheel, blades are inclined at an acute angle to wheel base |
| CN203009380U (en) * | 2012-11-14 | 2013-06-19 | 苏州聚力电机有限公司 | Composite impeller of centrifugal fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113586521A (en) * | 2021-08-02 | 2021-11-02 | 叶剑伟 | Blade manufacturing method, blade assembly and manufacturing method thereof and fan |
| CN113586521B (en) * | 2021-08-02 | 2024-03-19 | 叶剑伟 | Blade manufacturing method, blade assembly, blade manufacturing method and fan |
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Application publication date: 20160831 |