CN107035717B - A kind of water pump vane and preparation method thereof - Google Patents
A kind of water pump vane and preparation method thereof Download PDFInfo
- Publication number
- CN107035717B CN107035717B CN201710244470.6A CN201710244470A CN107035717B CN 107035717 B CN107035717 B CN 107035717B CN 201710244470 A CN201710244470 A CN 201710244470A CN 107035717 B CN107035717 B CN 107035717B
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- Prior art keywords
- cover board
- impeller
- water pump
- core
- impeller blade
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Classifications
-
- 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
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
-
- 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
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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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 kind of water pump vanes, including what is be assembled into one: core, are powder metallurgy material, form the connecting hole for passing through suitable for the shaft of the water pump and the core being connected to the water pump；Cover plate assembly is metal material, the first cover board and the second cover board including being set in the core radial outside and fitting setting, is equipped with several impeller blade card slots at the outer peripheral edge of first cover board and second cover board；Several impeller blades are installed on the corresponding impeller blade card slot；Above-mentioned impeller includes the core, cover plate assembly and impeller blade being assembled into one, the impeller of middle monoblock cast can only be processed using same material compared to the prior art, above-mentioned impeller can use the material corrosion-resistant, intensity is good, light to core, cover plate assembly and impeller blade, not only alleviate the weight of impeller, extend the service life of impeller, reduce the energy consumption of water pump, and greatly reduce cost, improves processing efficiency.
Description
Technical field
The present invention relates to Impeller Machining technical fields, and in particular to a kind of water pump vane and preparation method thereof.
Background technique
Impeller is the core component of water pump, so the quality of impeller determines the quality of centrifugal pump, it is to pass through motor
Rotation is driven, makes medium by centrifugal force or lifting force, makes medium that there is mechanical energy；Its effect is by the mechanical energy of prime mover
It is directly transmitted to liquid, to increase the static energy and kinetic energy of liquid, mainly increases static energy.Impeller is segmented into open type, half-closed
And enclosed, unshrouded impeller are suitable for convey the material containing more suspended matter, efficiency is lower, and the pressure of conveying liquid is not yet
Height, single shrouded wheel are suitable for conveying easily precipitating or slightly containing the materials of particle, and efficiency is low compared with double shrouded wheel；It is suitable to disdain impeller
Liquid is cleaned for conveying, because its efficiency is higher, therefore general centrifugal pump mostly uses centrifugal multistage pump multiple centrifugal pump such.
Common impeller is mostly casting impeller in daily life, be first pass through mold metalwork is cast into blank, then
Rough profile is processed by lathe polishing, finally impeller blade is washed out using lathe, completes the process；This casting impeller intensity
Height, scale error is small, but consumptive material is more, and time-consuming, and processing efficiency is low, high production cost；In addition, being mitigation impeller when casting impeller
Weight, avoid impeller from consuming more kinetic energy, generally use the brass casting of lighter weight, but brass is by prolonged leaching
Bubble easily corrodes, and the corrosion of impeller can hinder the starting of water pump, or even will cause impeller and can not rotate, and leads to pump motor
Load current is excessive and causes circuit burnout, this all causes great shadow to the normal use and service life of impeller and water pump
It rings.
Summary of the invention
It is therefore, at high cost the technical problem to be solved in the present invention is that overcoming manufacture impeller consumptive material time-consuming in the prior art,
Perishable defect, to provide, one kind is high-efficient, and at low cost, intensity is good, corrosion resistant water pump vane and preparation method thereof.
A kind of water pump vane, including what is be assembled into one:
Core is powder metallurgy material, is formed described across the core to be connected to suitable for the shaft of the water pump
The connecting hole of water pump；
Cover plate assembly, be metal material, including be set in the core radial outside and fitting setting the first cover board and
Several impeller blade card slots are equipped at the outer peripheral edge of second cover board, first cover board and second cover board；
Several impeller blades are installed on the corresponding impeller blade card slot.
Preferably, several first grooves, the outer peripheral edge of second cover board are offered on the outer peripheral edge of first cover board
On offer several second grooves, first groove and the second groove and be aligned when first cover board and the second cover board are bonded
Form the impeller blade card slot.
Preferably, the impeller blade can be inserted into along the tangential direction perpendicular to the cover board by forming on the impeller blade
The open slot of card slot.
Preferably, the open slot of the impeller blade is V-shape.
Preferably, first cover board and second cover board be separately formed be oppositely arranged highlight structure；The water
Impeller of pump further includes being set to filling out in the space for highlighting structure formation for highlighting structure and the second cover board of first cover board
Ring is filled, generates resistance for filling the impeller to reduce medium to the revolving speed of the impeller.
Preferably, the core forms in first cover board, the second cover board and core junction and is set to described
Bulge loop on the inside of one cover board and the second cover board, the bulge loop form at least one on the direction perpendicular to the bulge loop and are used for
The retention bead for being fixedly connected with first cover board and the second cover board, first cover board and the second cover board being prevented to be displaced.
Preferably, first cover board and the second cover board position corresponding with the retention bead have been separately formed and have fitted
In the first limit hole and the second limit hole that the retention bead passes through.
Preferably, the retention bead is set as four, and is evenly distributed on the bulge loop；First limit hole and
Two limit holes are set to four, are uniformly distributed on first cover board and the second cover board respectively.
Preferably, first cover board forms be correspondingly arranged with first groove close to first groove
One through-hole；Second cover board forms the second through-hole being correspondingly arranged with second groove close to second groove.
Preferably, the two sides of the open slot of the impeller blade are formed when the impeller blade is inserted into the impeller blade card slot
When engage respectively with the first through hole and the second through-hole, prevent the first card that first cover board and the second cover board separate
It hooks and the second hook.
A kind of preparation method of water pump vane, comprising the following steps:
Step a prepares core using PM technique；
Step b prepares the first cover board and the second cover board by stamping process using metal material, in the first cover board and
Several impeller blade card slots are opened up on the outer peripheral edge of second cover board；
Step c prepares several impeller blades by stamping process；
Core, the first cover board and the second cover board prepared by step 1 to step 3, several impeller blades are assembled by step d
One entirety.
Preferably, the step b include on first cover board the first connecting hole of punch forming and it is described second lid
The second connecting hole of punch forming on plate.
Preferably, the step d includes the axis by first connecting hole of first cover board along the core side
It is set on the core on the outside of the core, and by second cover board along the other end phase of the core axial direction
The outside of the core is sheathed on to first cover board, second cover board is bonded with first cover board, and described first is recessed
Slot and second groove are aligned to form the impeller blade card slot.
Preferably, the step d further includes the open slot of several impeller blades being directed to the impeller blade card slot, along vertical
It is directly sequentially inserted into the impeller blade card slot in the tangential direction of cover plate assembly, preliminarily forms impeller.
Preferably, the step d further includes that the impeller preliminarily formed is carried out riveting, is made it have preferable smooth
Degree, obtains final impeller.
It preferably, further include after preliminarily forming impeller, using thermoplastic processing technology highlighting in first cover board
Ring type filling is prepared in the space for highlighting structure formation of structure and the second cover board.
Technical solution of the present invention has the advantages that
1. water pump vane provided by the invention, including what is be assembled into one: the core of powder metallurgy material, metal material
Cover plate assembly and several impeller blades；Above-mentioned water pump vane, which resolves into the impeller of monoblock cast in the prior art, to be assembled into one
Core, cover plate assembly and impeller blade, the impeller of middle monoblock cast can only be processed using same material compared to the prior art, on
State water pump vane can according to the actual situation with need to core, cover plate assembly and impeller blade using it is corrosion-resistant, intensity is good, light
Material not only alleviates the weight of water pump vane, extends the service life of water pump vane, reduces the energy consumption of water pump,
And cost is greatly reduced, improve processing efficiency.
2. water pump vane provided by the invention, water pump vane further include be set to the first cover board highlight structure and the second lid
Ring type filling in the space for highlighting structure formation of plate generates resistance for filling impeller to reduce medium to the revolving speed of impeller；
Above structure is that medium enters in water pump vane in order to prevent, increases the resistance of water pump vane in the medium, influences water pump vane
Revolving speed, increase water pump kinetic energy consumption.
3. water pump vane provided by the invention, core is formed in first cover board, the second cover board and core junction
The bulge loop being set on the inside of the first cover board and the second cover board, bulge loop form at least one on the direction perpendicular to bulge loop and are used for
The retention bead for being fixedly connected with the first cover board and the second cover board, the first cover board and the second cover board being prevented to be displaced；This structure
Not only quickly and easily the first cover board and the second cover board can be fixedly attached on core when assembling water pump vane, but also can be had
Effect reliably prevents the first cover board and the second cover board to be displaced on the outside of core, causes water pump vane can not normal use.
4. water pump vane provided by the invention, the first cover board is formed close to the first groove and is correspondingly arranged with the first groove
First through hole；Second cover board forms the second through-hole being correspondingly arranged with the second groove close to the second groove；The impeller
The two sides of the open slot of piece are formed when the impeller blade is inserted into the impeller blade card slot and the first through hole and second
The first hook and the second hook that through-hole engages respectively, prevents first cover board and the second cover board from separating；It is respectively set
Assembling water is hooked in the first through hole and the second through-hole of the first cover board and the second cover board and the first hook and second of impeller blade
Engage when impeller of pump, can prevent the first cover board and the first cover board from falling off or shifting from assembled water pump vane, further
Keep the stable structure of water pump vane secured.
4. the preparation method of water pump vane provided by the invention, step a prepare core using PM technique；Step
B prepares the first cover board and the second cover board by stamping process using metal material；Step c, by stamping process system
Standby several impeller blades；Step d, core prepared by step 1 to step 3, the first cover board and the second cover board, several impeller blade groups
Dress is an entirety；Above-mentioned preparation method is assembled into an entirety after being processed core, cover plate assembly and impeller blade respectively
Water pump vane, compared to the prior art in overall processing casting impeller, substantially increase the efficiency of processing, reduce artificial
Cost can make impeller carry out the quick production of batch.
5. the preparation method of water pump vane provided by the invention, the step d further includes carrying out the impeller preliminarily formed
Riveting makes it have preferable flatness, obtains final impeller；The step is to guarantee that water pump vane has and meet water
Pump the flatness worked normally.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is impeller explosive view provided by the invention；
Fig. 2 is the main view of the first cover board shown in FIG. 1；
Fig. 3 is the structural schematic diagram of molding impeller provided by the invention；
Description of symbols: 1- core, 11- bulge loop, 12- retention bead, the first cover board of 2-, the first connecting hole of 21-, 22-
First groove, the first limit hole of 23-, 24- first through hole, the second cover board of 3-, the second connecting hole of 31-, the second groove of 32-, 33-
Two limit holes, the second through-hole of 34-, 4- impeller blade, 41- open slot, the first hook of 42-, the second hook of 43-, 5- ring type filling.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
As shown in Figure 1, the water pump vane, including what is be assembled into one:
Core 1 is powder metallurgy material, forms to pass through suitable for the shaft of the water pump core 1 is connected to institute
State the connecting hole of water pump；
Cover plate assembly is metal material, the first cover board 2 including being set in 1 radial outside of core and fitting setting
With the second cover board 3, several impeller blade card slots are equipped at the outer peripheral edge of first cover board 2 and second cover board 3；
Several impeller blades 4 are installed on the corresponding impeller blade card slot.
The impeller of monoblock cast in the prior art is resolved into the core 1 being assembled into one, lid by the water pump vane
Board group part and impeller blade 4, the impeller of middle monoblock cast can only be processed using same material compared to the prior art, the water pump
Impeller can according to the actual situation with need to the core 1, cover plate assembly and impeller blade 4 using it is corrosion-resistant, intensity is good, light
Material not only alleviates the weight of the water pump vane, extends the service life of the water pump vane, reduces the water pump
Energy consumption, and greatly reduce cost, improve processing efficiency；In addition, the quantity of the impeller blade 4 is according to
The quantity decision for several impeller blade card slots being equipped at first cover board 2 and the institute outer peripheral edge of the second cover board 3；The cover plate assembly
It is stainless steel material with several impeller blades 4, the brass material that middle impeller uses compared to the prior art, intensity is good, corrosion-resistant.
Specifically, as depicted in figs. 1 and 2, several first grooves 22, institute are offered on the outer peripheral edge of first cover board 2
It states and offers several second grooves 32 on the outer peripheral edge of the second cover board 3, first groove 22 and the second groove 32 are described
One cover board 2 and the second cover board 3 are aligned to form the impeller blade card slot when being bonded.
Further, it is formed on the impeller blade 4 described in being inserted into along the tangential direction perpendicular to the cover plate assembly
The open slot 41 of impeller blade card slot；This structure can guarantee that the impeller blade 4 has larger area to contact with the cover plate assembly, increase
Add firmness of the impeller blade 4 on the cover plate assembly, guarantee the impeller blade 4 effectively reliably with the cover plate assembly
Connection.
Further, the open slot 41 of the impeller blade 4 is V-shape；It should be noted that this is the impeller of this implementation
Piece 4 is the preferred embodiment for cooperating the cover plate assembly, can according to the actual situation with the leaf that needs to select other opening modes
Take turns piece 4.
Further, first cover board 2 and second cover board 3 be separately formed be oppositely arranged highlight structure；It is described
Water pump vane further includes being set in the space for highlighting structure formation for highlighting structure and the second cover board 3 of first cover board 2
Ring type filling 5, generate resistance for filling the water pump vane to reduce medium to the revolving speed of the water pump vane；Above structure
It is that the medium enters in the water pump vane in order to prevent, increases the resistance of the water pump vane in the medium, influence
The revolving speed of the water pump vane avoids the consumption for increasing the water pump kinetic energy.
Further, the core 1 forms in first cover board 2, the second cover board 3 and 1 junction of core and is set to institute
The bulge loop 11 of 3 inside of the first cover board 2 and the second cover board is stated, the bulge loop 11 forms on the direction perpendicular to the bulge loop 11
At least one is for being fixedly connected with first cover board 2 and the second cover board 3, preventing first cover board 2 and the second cover board 3 from occurring
The retention bead 12 of displacement；This structure is not only enabled quickly and easily by first cover board 2 in the assembling water pump vane
It is fixedly attached on the core 1 with the second cover board 3, and effectively can reliably prevent first cover board 2 and the second cover board 3
It is displaced in the outside of the core 1, causes the water pump vane can not normal use.
Further, first cover board 2 and the second cover board 3 position corresponding with the retention bead 12 have been separately formed
With the first limit hole 23 and the second limit hole 33 passed through suitable for the retention bead 12；This structure is to correspond to the core
The retention bead 12 on body 1 guarantees that the retention bead 12 can play effective position-limiting action, and the cover plate assembly can pacify
Dress is fixed to the radial outside of the core 1.
Further, the retention bead 12 is set as four, and is evenly distributed on the bulge loop 11；First limit hole
23 and second limit hole 33 be set to four, be uniformly distributed on first cover board 2 and the second cover board 3 respectively；It needs
Illustrate, this is the preferred embodiment of the present embodiment, can according to circumstances with the retention bead 12 that needs to select other quantity
And first limit hole 23 and the second limit hole 33 being adapted to the retention bead 12, such as one, two, three.
Further, first cover board 2 forms set corresponding with first groove 22 at first groove 22
The first through hole 24 set；Second cover board 3 forms set corresponding with second groove 32 at second groove 32
The second through-hole 34 set；The two sides of the open slot 41 of the impeller blade 4 are formed when the impeller blade 4 is inserted into the leaf
Engage respectively when taking turns piece card slot with the first through hole 24 and the second through-hole 34, prevent first cover board 2 and the second cover board 3 from sending out
It is estranged from the first hook 42 and the second hook 43；Be respectively arranged at first cover board 2 and the second cover board 3 described first is logical
First hook 42 and the second hook 43 of hole 24 and the second through-hole 34 and the impeller blade 4 are when assembling the water pump vane
Engaging, can prevent first cover board 2 and the second cover board 3 from falling off or shifting from the assembled water pump vane, into one
Step keeps the stable structure of the water pump vane secured.
Embodiment 2
A kind of preparation method of water pump vane, comprising the following steps:
Step a prepares core 1 using PM technique；
Step b prepares the first cover board 2 and the second cover board 3 by stamping process using metal material, in the first cover board
2 and second cover board 3 outer peripheral edge on open up several impeller blade card slots；
Step c prepares several impeller blades 4 by stamping process；
Step d, core 1 prepared by step 1 to step 3, the first cover board 2 and the second cover board 3,4 groups of several impeller blades
Dress is an entirety.
Above-mentioned preparation method is assembled into an entirety after being processed the core 1, cover plate assembly and impeller blade 4 respectively
The impeller, compared to the prior art in overall processing casting impeller, substantially increase the efficiency of processing, reduce artificial
Cost can make the impeller carry out the quick production of batch.
Further, the step b includes the first connecting hole of punch forming 21 and described second on first cover board 2
The second connecting hole of punch forming 31 on cover board 3.
Further, the step d includes by first connecting hole 21 of first cover board 2 along 1 side of core
Axial direction be set on the core 1 from the outside of the core 1, and it is that second cover board 3 is axial along the core 1
Relatively described first cover board 2 of the other end is sheathed on the outside of the core 1, and second cover board 3 is pasted with first cover board 2
It closes, first groove 22 and second groove 32 alignment form the impeller blade card slot.
Further, the step d further include the open slot 41 of several impeller blades 4 is aligned the impeller blade card slot,
It is sequentially inserted into the impeller blade card slot along the tangential direction perpendicular to the cover plate assembly, preliminarily forms impeller.
Further, the step d further includes that the impeller preliminarily formed is carried out riveting, is made it have preferable smooth
Degree, obtains final impeller as shown in Figure 3；The step is to guarantee that the impeller has to meet and be installed on the water pump
It is required that flatness.
It further, further include after preliminarily forming impeller, using thermoplastic processing technology highlighting in first cover board 2
Ring type filling 5 is prepared in the space for highlighting structure formation of structure and the second cover board 3；Existed using the ring type filling 5 of thermoplastic processing
The space for filling the water pump vane is played, while reducing the resistance of medium that the impeller is subject to, also mitigates the impeller
Weight so that the impeller is light.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (15)
1. a kind of water pump vane, which is characterized in that including what is be assembled into one:
Core (1) is powder metallurgy material, forms to pass through suitable for the shaft of the water pump core (1) is connected to institute
State the connecting hole of water pump；
Cover plate assembly is metal material, the first cover board (2) including being set in the core (1) radial outside and fitting setting
With the second cover board (3), several impeller blade card slots are equipped at the outer peripheral edge of first cover board (2) and second cover board (3)；
Several impeller blades (4) are installed on the corresponding impeller blade card slot；Forming on the impeller blade (4) can be along vertical
The open slot (41) of the impeller blade card slot is inserted into the tangential direction of the cover plate assembly.
2. water pump vane according to claim 1, which is characterized in that offered on the outer peripheral edge of first cover board (2)
Several first grooves (22) offer several second grooves (32), first groove on the outer peripheral edge of second cover board (3)
(22) and the second groove (32) is aligned to form the impeller blade card slot when first cover board (2) and the second cover board (3) are bonded.
3. water pump vane according to claim 1, which is characterized in that the open slot (41) of the impeller blade (4) is V word
Type.
4. water pump vane according to claim 1, which is characterized in that first cover board (2) and second cover board (3)
Be separately formed be oppositely arranged highlight structure；The water pump vane further include be set to first cover board (2) highlight knot
Ring type filling (5) in the space for highlighting structure formation of structure and the second cover board (3), for filling the impeller to reduce medium pair
The revolving speed of the impeller generates resistance.
5. water pump vane according to claim 1, which is characterized in that the core (1) is in first cover board (2),
Two cover boards (3) and core (1) junction form the bulge loop being set on the inside of first cover board (2) and the second cover board (3)
(11), the bulge loop (11) forms at least one for being fixedly connected with described the on the direction perpendicular to the bulge loop (11)
One cover board (2) and the second cover board (3), the retention bead for preventing first cover board (2) and the second cover board (3) to be displaced
(12)。
6. water pump vane according to claim 5, which is characterized in that first cover board (2) and the second cover board (3) and institute
State the first limit hole that the corresponding position of retention bead (12) is separately formed with passes through suitable for the retention bead (12)
(23) and the second limit hole (33).
7. water pump vane according to claim 6, which is characterized in that the retention bead (12) is set as four, and uniformly
It is distributed on the bulge loop (11)；First limit hole (23) and the second limit hole (33) are set to four, respectively uniformly
Be distributed on first cover board (2) and the second cover board (3).
8. water pump vane according to claim 2, which is characterized in that first cover board (2) is close to first groove
(22) first through hole (24) being correspondingly arranged with first groove (22) is formed at；Second cover board (3) is close to described
The second through-hole (34) being correspondingly arranged with second groove (32) is formed at second groove (32).
9. water pump vane according to claim 8, which is characterized in that the two sides of the open slot (41) of the impeller blade (4)
It forms and divides when the impeller blade (4) is inserted into the impeller blade card slot with the first through hole (24) and the second through-hole (34)
The first hook (42) and the second hook (43) for not engaging, preventing first cover board (2) and the second cover board (3) from separating.
10. a kind of preparation method of water pump vane, which comprises the following steps:
Step a prepares core (1) using PM technique；
Step b, using metal material by stamping process preparation the first cover board (2) and the second cover board (3), in the first cover board
(2) and on the outer peripheral edge of the second cover board (3) several impeller blade card slots are opened up；
Step c prepares several impeller blades (4) by stamping process；
Step d, the core that step a is prepared to step c (1), the first cover board (2) and the second cover board (3), several impeller blades (4)
It is assembled into an entirety.
11. preparation method according to claim 10, which is characterized in that the step b is included in first cover board (2)
Upper the first connecting hole of punch forming (21) and the second connecting hole of punch forming (31) on second cover board (3).
12. preparation method according to claim 11, which is characterized in that the step d includes by first cover board (2)
First connecting hole (21) be set in the core on the outside of the core (1) along the axial of the core (1) side
(1) relatively described first cover board (2) of the other end on, and by second cover board (3) along the core (1) axial direction is sheathed on
The outside of the core (2), second cover board (3) are bonded with first cover board (2), and the first of first cover board (2)
The alignment of the second groove (32) of groove (22) and second cover board (3) forms the impeller blade card slot.
13. preparation method according to claim 12, which is characterized in that the step d further includes by several impellers
The open slot (41) of piece (4) is directed at the impeller blade card slot, is sequentially inserted into the leaf along the tangential direction perpendicular to cover plate assembly
It takes turns in piece card slot, preliminarily forms impeller.
14. preparation method according to claim 13, which is characterized in that the step d further includes preliminarily forming described
Impeller carry out riveting, make it have preferable flatness, obtain final impeller.
15. preparation method according to claim 13, which is characterized in that further include being used after preliminarily forming impeller
Thermoplastic processing technology is made in the space for highlighting structure formation for highlighting structure and the second cover board (3) of first cover board (2)
Standby ring type filling (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244470.6A CN107035717B (en) | 2017-04-14 | 2017-04-14 | A kind of water pump vane and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107939726A (en) * | 2017-12-16 | 2018-04-20 | 浙江泰福泵业股份有限公司 | Water pump vane and preparation method thereof |
| RU190999U1 (en) * | 2019-04-24 | 2019-07-18 | Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ") | WORKING WHEEL CENTRIFUGAL PUMP |
| RU2761710C1 (en) * | 2020-11-30 | 2021-12-13 | федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный авиационный технический университет" | Centrifugal fan impeller |
| CN113931871A (en) * | 2021-06-30 | 2022-01-14 | 重庆市拓富科技有限公司 | Preparation method of coated water pump impeller, impeller structure and application of impeller structure |
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| CN2447548Y (en) * | 2000-09-05 | 2001-09-12 | 曾添福 | Combined structure of ceiling fan blade holder |
| CN2589707Y (en) * | 2002-12-16 | 2003-12-03 | 建准电机工业股份有限公司 | External rotor structure of AC thermal fan |
| CN205331040U (en) * | 2016-01-30 | 2016-06-22 | 武召伟 | Stainless steel combination impeller |
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| JPS5963399A (en) * | 1982-10-05 | 1984-04-11 | Hitachi Ltd | Impeller for pump |
| KR101514271B1 (en) * | 2013-04-12 | 2015-04-22 | 동강엠텍(주) | Impeller for water jet having blade of variable type |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447548Y (en) * | 2000-09-05 | 2001-09-12 | 曾添福 | Combined structure of ceiling fan blade holder |
| CN2589707Y (en) * | 2002-12-16 | 2003-12-03 | 建准电机工业股份有限公司 | External rotor structure of AC thermal fan |
| CN205331040U (en) * | 2016-01-30 | 2016-06-22 | 武召伟 | Stainless steel combination impeller |
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