CN109236730A - A kind of metal, nonmetallic composite impeller casting metallic framework and preparation method - Google Patents
A kind of metal, nonmetallic composite impeller casting metallic framework and preparation method Download PDFInfo
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- CN109236730A CN109236730A CN201811226535.5A CN201811226535A CN109236730A CN 109236730 A CN109236730 A CN 109236730A CN 201811226535 A CN201811226535 A CN 201811226535A CN 109236730 A CN109236730 A CN 109236730A
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- 238000005266 casting Methods 0.000 title claims abstract description 47
- 239000002184 metal Substances 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000013461 design Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 47
- 238000001514 detection method Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 244000137852 Petrea volubilis Species 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 3
- 239000002905 metal composite material Substances 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
- 238000005336 cracking Methods 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000021615 conjugation Effects 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/42—Casting under special conditions, e.g. vacuum
-
- 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
- F04D29/24—Vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本发明涉及浇铸模具设计领域，具体包括一种金属、非金属复合叶轮浇铸用金属骨架及制备方法。金属骨架包括底板、上盖，二者通过叶片连接，叶片自底板内侧呈旋涡状向外侧延伸。底板设置通孔，位于相邻的叶片与底板结合位置之间的1/2处、上盖设置的通孔位于相邻的叶片与上盖的结合位置之间、叶片表面也设置通孔。浇注非金属层后，可借助通孔形成网状结构包裹金属骨架，加强结合效果。金属骨架的制备方法包括：设计金属骨架、木模制作、浇注及热处理、表面抛光及机加工、尺寸检测、浇注叶轮及叶轮检测、设计修正。用上述金属骨架浇注复合叶轮的方法包括：金属骨架表面处理及非金属材料配制、真空热浇铸、叶轮热处理及机加工、叶轮检测。
The invention relates to the field of casting mold design, and specifically includes a metal skeleton for casting a metal and non-metal composite impeller and a preparation method. The metal skeleton includes a bottom plate and an upper cover, and the two are connected by blades, and the blades extend from the inner side of the bottom plate to the outer side in a vortex shape. The bottom plate is provided with a through hole, which is located at 1/2 of the position between the adjacent blades and the bottom plate. After the non-metallic layer is poured, the metal skeleton can be wrapped in a mesh structure by means of through holes to strengthen the bonding effect. The preparation method of the metal skeleton includes: designing the metal skeleton, making wood molds, pouring and heat treatment, surface polishing and machining, dimension inspection, pouring impeller and impeller inspection, and design correction. The method for casting a composite impeller with the metal skeleton includes: surface treatment of the metal skeleton and preparation of non-metallic materials, vacuum hot casting, impeller heat treatment and machining, and impeller inspection.
Description
Technical field
The present invention relates to casting die design field, a kind of metal, nonmetallic composite impeller casting metal are specifically included
Skeleton and preparation method.
Background technique
Impeller is divided into two major classes from material currently on the market, and one kind is metal casting part, and in addition one kind is non-metallic material
Material and metallic impeller framework composite members.The metal framework structure design of the impeller of nonmetallic materials casting currently on the market, it is only simple
Single reduces finished product impeller size, metallic impeller framework is then wrapped by nonmetallic materials casting, then pass through machinery
Processing reaches finished product impeller size design requirement.The non-gold that the impeller made in this way, metallic framework and surrounding are surrounded
The bond strength for belonging to material layer is inadequate, and meeting high speed rotation be easy to cause non-metallic inner liner layer to fall off and crack when impeller works, from
And shorten the service life of impeller.It is unreasonable additionally, due to the design of impeller metallic framework, cause non-metal layer surface to be easy to produce
Cracking, bubble fall off and wait major qualities defect.
Chinese utility model patent CN200820168060.4 discloses a kind of full embedding type plastic impeller, mainly includes inserts
Disk and plastic layer, inserts disk upper have plastic layer to form full embedding type plastic impeller, and inserts disk is equipped with one group of fixed strip, fixed
T-slot is provided on item, a part of plastic layer is in T-slot.Skeleton is equipped in the inserts disk, inserts disk is casting and forming
Part.The fixed strip is circumferentially evenly distributed on inserts disk.It is enhanced between plastic layer and impeller by the design of T-slot
The design of conjugation, steel skeleton increases the intensity of impeller, extends the service life used, enhances corrosion resistance, can make
This impeller can be used in a variety of environment.By the way that fixed strip is arranged on inserts disk, and it is provided with T-slot on fixed strip, enhances
Conjugation between plastic layer and impeller.Since T-slot exists only in fixed strip surface, between plastic layer and impeller
Conjugation reinforcing effect it is limited, and while not can avoid the casting non-metallic material bed of material, generates cracking, and bubble falls off.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of metals, nonmetallic composite impeller casting metallic framework, are guaranteeing
While frame strength, can binding force between comprehensive raising metallic framework and impeller, in conjunction with effect.Pass through rational design
Blade wheel structure avoids generating cracking, bubble, the defects of falling off in the non-metallic material bed of material when casting.
To solve the above problems, the present invention provides a kind of metal, nonmetallic composite impeller casting metallic framework, it is described
Metallic framework includes bottom plate, upper cover, and blade is arranged between the bottom plate, upper cover, and the bottom plate, upper cover are connected by the blade
It connects, the blade extends in swirl shape to the plate outer side from the inside of the bottom plate, it is characterised in that: the bottom plate, upper cover
Through-hole is respectively provided with blade surface；
The through-hole being arranged on the bottom plate between adjacent two panels blade and the bottom plate binding site 1/2 at；
The through-hole being arranged on the upper lid is located between the binding site of adjacent two panels blade and the upper cover.
Further, the through-hole being arranged on the blade from the rear end of the blade to front end, from the blade with it is described
Contacts baseplate side to the blade and the upper cover contacts side, uniformly and in array-like is distributed, between adjacent through-holes between
It is divided into 3-5cm.
Further, the through-hole being arranged on the bottom plate extends in swirl shape to the plate outer side from the inside of the bottom plate
Distribution, between adjacent through-holes between be divided into 3-5cm.
Further, the surface of the metallic framework is polished using 10~20 mesh sand paper.
Further, the bottom plate, upper cover, blade with a thickness of 0.5-3cm.
Further, at the vane nose 2-3cm region thickness be greater than its rear end thickness.
Further, notch is set between adjacent blades on the bottom plate, and the notch is arcuation.
Further, section of the through-hole after its central symmetry axis section is in hyperbolia.
A kind of above-mentioned metal, nonmetallic composite impeller casting metallic framework preparation method specifically include following steps,
Step 1: designing the drawing of metallic framework according to impeller size and being set by the model that software carries out metallic framework
Meter, intensive analysis；
Step 2: the casting wooden model of production metallic framework；
Step 3: metallic framework casting, heat treatment；
Step 4: metallic framework surface polishing, machining, and carry out size detection；
Step 5: being poured impeller by the metallic framework and carrying out impeller size detection, intensity detection, in ultrasound examination
Portion's defect；
Step 6: being modified according to the testing result in step 5 to metallic framework design.
A method of with above-mentioned metallic framework casting metal, nonmetallic composite impeller, following steps being specifically included,
Step 1: metallic framework is surface-treated: metallic framework blasting treatment, metallic framework cleaning, metallic framework and casting
Assembled mold is placed in vacuum pressing and casting system by mold assembling；
Nonmetallic materials are prepared: nonmetallic materials being carried out ingredient according to performance requirement, are stirred under vacuum；
Step 2: nonmetallic materials are cast to metallic framework surface, casting process is Vacuum Heat casting；
Step 3: being heat-treated, being machined to impeller；
Step 4: dynamic balancing measurement, ultrasound examination internal flaw, three coordinate measurement sizes.
Compared with prior art, the invention has the following beneficial effects:
(1) by the way that through-hole is arranged in bottom plate, upper cover, blade surface, nonmetallic materials can be in these through-holes in casting
Between mutual connection, to form three-dimensional network-like structure, and metallic framework is completely encapsulated in these network-like structures
In gap, to increase the binding site of the non-metallic material bed of material and metal material layer, and then the non-metallic material bed of material and gold are improved
Belong to the bond strength between skeleton；
(2) through-hole being arranged on the bottom plate between adjacent two panels blade and the bottom plate binding site 1/2
Locate, the through-hole being arranged on the upper lid is located between the binding site of adjacent two panels blade and the upper cover, and avoiding will be logical
Hole is provided with the junction of blade and bottom plate, upper cover, the bond strength of blade and bottom plate, upper cover is influenced, to ensure that skeleton
The intensity of itself；
(3) through-hole being arranged on blade is from the rear end of the blade to front end, from the blade and the contacts baseplate one
Side to the blade and the upper cover contacts side, uniformly and in array-like is distributed, between adjacent through-holes between be divided into 3-5cm；
The through-hole being arranged on bottom plate extends in swirl shape to the plate outer side from the inside of the bottom plate to be distributed, between adjacent through-holes between
It is divided into 3-5cm；
On the one hand it ensure that being uniformly distributed for through-hole, i.e. the binding site of the guarantee non-metallic material bed of material and metal material layer is uniform
Distribution reflects on the whole be exactly that bond strength between metallic framework and the non-metallic material bed of material is all kept in each region to impeller
Unanimously, it ensure that the stability of impeller performance；On the other hand it by the interval between control adjacent through-holes, avoids setting due to through-hole
Setting excessively intensively leads to the reduction of skeleton self-strength, avoids impeller and damages in use；
(4) surface that metallic framework is arranged is polished using 10~20 mesh sand paper, and the skeleton surface after polishing can be protected
Certain surface roughness is demonstrate,proved, after nonmetallic materials formable layer, in high speed rotation in impeller use process, by metallic framework
Surface roughness setting can hinder to slide between the non-metallic material bed of material and metallic framework in a certain range, strong to combining
Degree plays reinforcing effect；
It is greater than the thickness of its rear end by area thickness at control vane nose 2-3cm, through-hole is cutd open along its central symmetry axis
Section behind face is in hyperbolia, and impeller can also equally be hindered to hinder the non-metallic material bed of material and gold when doing high speed rotary motion
Belong to and being slid between skeleton, reinforcing effect is played to bond strength；
(5) bottom plate, upper cover, blade with a thickness of 0.5-3cm, avoid skeleton itself it is excessively thin caused by skeleton itself it is strong
Degree not enough, avoids the damage in use process；
And notch is set on bottom plate between adjacent blades, and the notch is arc-shaped, is avoided with this configuration
There is Relative sliding between metallic framework and the non-metallic material bed of material when rotating at high speed in impeller, ensure that metallic framework with it is nonmetallic
Between material layer while bond strength, also avoid since the notch of skeleton surface setting is excessively intensive, caused skeleton sheet
Body intensity is inadequate, avoids the damage in use process；
(6) be conducive to blanking in the through-hole non-metallic material bed of material casting process that bottom plate, upper cover, blade surface are arranged, and
Section of the through-hole after its central symmetry axis section is in hyperbolia, avoids having some setbacks due to blanking or blanking dead angle leads to non-gold
Belong in material layer and be mingled with stomata, cause to cast bad, it may be assumed that avoids the non-metallic material bed of material and generate cracking, bubble, fall off.
Detailed description of the invention
Fig. 1 is that nonmetallic impeller is poured skeleton perspective view；
Fig. 2 is that nonmetallic impeller is poured skeleton front view；
Fig. 3 is that nonmetallic impeller is poured skeleton top view；
Fig. 4 is the cross-sectional view that nonmetallic impeller is poured the face skeleton A-A；
Fig. 5 is the cross-sectional view that nonmetallic impeller is poured the face skeleton B-B；
Wherein: 1- bottom plate, 2- upper cover, 3- blade, 4- through-hole, 5- notch.
Specific embodiment
With reference to the accompanying drawings of the specification, the present invention will be further described, and provides the embodiment of the present invention.
As shown in Figs. 1-5, the invention discloses a kind of metal, nonmetallic composite impeller casting metallic framework, the bones
Frame includes bottom plate 1 and upper cover 2, and blade 3 is arranged between the bottom plate 1, upper cover 2, and the bottom plate 1, upper cover 2 pass through the blade 3
Connection, the blade 3 is from the inside of the bottom plate 1 in swirl shape to extending on the outside of the bottom plate 1.The bottom plate 1, upper cover 2 and leaf
3 surface of piece is respectively provided with through-hole 4, and by the way that these through-holes 4 are arranged when impeller surface is poured nonmetallic materials, nonmetallic materials can
Metallic framework to form three-dimensional network-like structure, and is completely encapsulated in these nets by the mutual connection between these through-holes 3
In the gap of network shape structure, to increase the binding site of the non-metallic material bed of material and metal material layer, and then improve nonmetallic
Bond strength between material layer and metallic framework.
The through-hole 4 being arranged on bottom plate 1 is arranged in 1/ between adjacent 1 binding site of two panels blade 3 and the bottom plate
At 2, the through-hole 4 being arranged in the upper cover 2 is arranged between the binding site of adjacent two panels blade 3 and the upper cover 2, one
The binding site of the blade 3 and bottom plate 1, upper cover 2 is avoided in the position that through-hole 4 is arranged by aspect, avoids influencing blade 3 and bottom plate
1, through-hole 4 is evenly distributed on bottom plate 1, ensure that casting complete in upper cover 2 by the bond strength between upper cover 2, still further aspect
Binding site afterwards is uniformly distributed, and the binding force between metallic framework and the non-metallic material bed of material can be uniformly distributed, to guarantee leaf
Take turns the stabilization of performance.
From rear end to the front end of the blade 3, (rear end refers to spatially closer in bottom plate 1 through-hole 4 being arranged on blade 3
The side of side center, front end refer to spatially close to the side of 1 outer ledge of bottom plate), from the blade 3 and the bottom
Plate 2 contacts side to the blade 3 and the upper cover 2 and contacts side, uniformly and in array-like is distributed, between adjacent through-holes
Between be divided into 3-5cm；The through-hole 4 being arranged on bottom plate 1 is distributed in swirl shape to extension on the outside of the bottom plate 1 from the inside of the bottom plate 1,
3-5cm is divided between adjacent through-holes；On the one hand it ensure that being uniformly distributed for through-hole 4, it may be assumed that guarantee the non-metallic material bed of material and gold
The binding site for belonging to material layer is uniformly distributed, and reflection to impeller is exactly the combination between metallic framework and the non-metallic material bed of material on the whole
Intensity is all consistent in each region, ensure that the stability of impeller performance；On the other hand by controlling between adjacent logical 4
Interval, avoiding being arranged due to through-hole 4 excessively intensively leads to the reduction of skeleton self-strength, avoids impeller and damages in use
It is bad.
The surface of the metallic framework is polished using 10~20 mesh sand paper in the present embodiment, the skeleton surface energy after polishing
Enough guarantee certain surface roughness, can impeller use when high speed rotary motion during, hinder the non-metallic material bed of material
It is slid between metallic framework, reinforcing effect is played to bond strength.
Likewise, the thickness in region is greater than the thickness of its rear end at the front end 2-3cm of blade 3 described in the present embodiment, it can also
To hinder to slide between the non-metallic material bed of material and metallic framework in impeller rotary course, enhancing effect is played to bond strength
Fruit.
Bottom plate 1 described in the present embodiment, upper cover 2, blade 3 with a thickness of 0.5-3cm, it is excessively thin and lead to avoid skeleton itself
Skeleton of cause intensity itself is inadequate, avoids the damage in use process；Simultaneously by bottom plate 1, upper cover 2, the thickness control of blade 3
It can guarantee in the range, bottom plate 1, upper cover 2, the intensity of blade 3 will not be reduced significantly after opening up through-hole 4, be guaranteed
There are enough binding forces between the non-metallic material bed of material and material layer after casting, while also ensuring the self-strength of skeleton.
Notch 5 is set between adjacent blades 3 on bottom plate 1, and the notch 5 is arcuation, and notch 5 is circle in the present embodiment
Arc, the radius of the corresponding circle of the circular arc are 3-5cm, and the chord length of the circular arc is 6-10cm, and impeller is avoided to revolve in high speed with this configuration
There is Relative sliding between metallic framework and the non-metallic material bed of material when turning, ensure that and tied between metallic framework and the non-metallic material bed of material
While closing intensity, also avoid since the notch of skeleton surface setting is excessively intensive, caused skeleton intensity itself is inadequate, keeps away
The damage in use process is exempted from.
Pass through the nonmetallic blanking when a large amount of through-holes 4, which are arranged, in bottom plate 1, upper cover 2,3 surface of blade can be conducive to casting
Process, and section of the through-hole 4 after its central symmetry axis section is in hyperbolia, it is possible to prevente effectively from blanking is there are dead angle,
It is possible to prevente effectively from leading to casting not since blanking has some setbacks or blanking dead angle causes to be mingled with stomata in the non-metallic material bed of material
It is good, it may be assumed that avoid the non-metallic material bed of material and generate cracking, bubble, fall off.
In addition, section of the through-hole 4 after its central symmetry axis section is in hyperbolia, structure after the completion of impeller casting
It can equally play and hinder to slide between metallic framework and the non-metallic material bed of material, further improve metallic framework and nonmetallic
Bond strength between material layer.
The present embodiment additionally provides a kind of method for preparing above-mentioned metal, nonmetallic composite impeller casting metallic framework,
Specifically includes the following steps:
Step 1: according to impeller size design metallic framework drawing and by software carry out skeleton modelling, by force
Degree analysis；
Step 2: the casting wooden model of production metallic framework；
Step 3: metallic framework casting, heat treatment；
Step 4: metallic framework surface polishing, machining, and carry out size detection；
Step 5: being poured impeller by the metallic framework and carrying out impeller size detection, intensity detection, in ultrasound examination
Portion's defect；
Step 6: being modified according to the testing result in step 5 to impeller framework design.
In addition, the present embodiment additionally provides a kind of method with above-mentioned metallic framework casting metal, nonmetallic composite impeller,
Specifically include following steps,
Step 1: metallic framework is surface-treated: metallic framework blasting treatment, metallic framework cleaning, metallic framework and casting
Assembled mold is placed in vacuum pressing and casting system by mold assembling；
Nonmetallic materials are prepared: nonmetallic materials being carried out ingredient according to performance requirement, are stirred under vacuum；
Step 2: nonmetallic materials, which are cast to metallic framework surface, carries out Vacuum Heat casting；
Step 3: being heat-treated, being machined to impeller；
Step 4: dynamic balancing measurement, ultrasound examination internal flaw, three coordinate measurement sizes.
The foregoing describe basic principle of the invention and specific embodiments, but the present invention is not by the limit of above-described embodiment
System, without departing from the purpose of the present invention, industry technical staff can carry out various changes and modifications to it, these changes
Change and improvement is each fallen in scope of protection of the present invention.
Claims (10)
1. a kind of metal, nonmetallic composite impeller casting metallic framework, the metallic framework includes bottom plate, upper cover, the bottom
Blade is set between plate, upper cover, and the bottom plate, upper cover are connected by the blade, and the blade is from the inside of the bottom plate in rotation
It is vortex-like to extend to the plate outer side, it is characterised in that: the bottom plate, upper cover and blade surface are respectively provided with through-hole；
The through-hole being arranged on the bottom plate between adjacent two panels blade and the bottom plate binding site 1/2 at；
The through-hole being arranged on the upper lid is located between the binding site of adjacent two panels blade and the upper cover.
2. metallic framework according to claim 1, it is characterised in that: the through-hole being arranged on the blade is from the blade
Rear end to front end contacts side from the blade and the contacts baseplate side to the blade and the upper cover, uniformly and is in
Array-like distribution, between adjacent through-holes between be divided into 3-5cm.
3. metallic framework according to claim 2, it is characterised in that: the through-hole being arranged on the bottom plate is from the bottom plate
Side, which extends in swirl shape to the plate outer side, to be distributed, between adjacent through-holes between be divided into 3-5cm.
4. metallic framework according to claim 3, it is characterised in that: the surface of the metallic framework uses 10~20 mesh sand
Paper polishing.
5. metallic framework according to claim 4, it is characterised in that: the bottom plate, upper cover, blade with a thickness of 0.5-
3cm。
6. metallic framework according to claim 5, it is characterised in that: the thickness in region is big at the vane nose 2-3cm
Thickness in its rear end.
7. metallic framework according to claim 6, it is characterised in that: be arranged between adjacent blades on the bottom plate and lack
Mouthful, the notch is arcuation.
8. -7 any metallic framework according to claim 1, it is characterised in that: the through-hole is along its central symmetry axis section
Section afterwards is in hyperbolia.
9. metal described in a kind of claim 8, nonmetallic composite impeller the casting preparation method of metallic framework, feature exist
In: following steps are specifically included,
Step 1: according to impeller size design metallic framework drawing and by software carry out metallic framework modelling, by force
Degree analysis；
Step 2: the casting wooden model of production metallic framework；
Step 3: metallic framework casting, heat treatment；
Step 4: metallic framework surface polishing, machining, and carry out size detection；
Step 5: being poured impeller by the metallic framework and carrying out impeller size detection, intensity detection, lack inside ultrasound examination
It falls into；
Step 6: being modified according to the testing result in step 5 to metallic framework design.
10. a kind of method of metallic framework casting metal, nonmetallic composite impeller described in claim 8, it is characterised in that: tool
Body includes the following steps,
Step 1: metallic framework is surface-treated: metallic framework blasting treatment, metallic framework cleaning, metallic framework and casting die
Assembled mold is placed in vacuum pressing and casting system by assembling；
Nonmetallic materials are prepared: nonmetallic materials being carried out ingredient according to performance requirement, are stirred under vacuum；
Step 2: nonmetallic materials are cast to metallic framework surface, casting process is Vacuum Heat casting；
Step 3: being heat-treated, being machined to impeller；
Step 4: dynamic balancing measurement, ultrasound examination internal flaw, three coordinate measurement sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226535.5A CN109236730A (en) | 2018-10-22 | 2018-10-22 | A kind of metal, nonmetallic composite impeller casting metallic framework and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226535.5A CN109236730A (en) | 2018-10-22 | 2018-10-22 | A kind of metal, nonmetallic composite impeller casting metallic framework and preparation method |
Publications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591734A (en) * | 2019-10-25 | 2019-12-20 | 安徽马钢化工能源科技有限公司 | Novel inorganic nonmetal fire observation hole cover of coke oven combustion chamber containing metal framework |
| CN111483048A (en) * | 2020-04-16 | 2020-08-04 | 襄阳五二五泵业有限公司 | Manufacturing method of ceramic impeller with built-in all-metal framework |
| CN111963477A (en) * | 2020-08-26 | 2020-11-20 | 安德里茨（中国）有限公司 | Ceramic impeller fixing device, ceramic impeller and manufacturing method and disassembling method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB472550A (en) * | 1935-04-26 | 1937-09-24 | George Alexander Hamilton Grie | Rubber covered impellers and method of making the same |
| US20140133996A1 (en) * | 2012-11-06 | 2014-05-15 | Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project | Wear resistant slurry pump parts produced using hot isostatic pressing |
| CN203604540U (en) * | 2013-08-13 | 2014-05-21 | 安徽中鼎密封件股份有限公司 | Anti-vibration pad for automobile radiator |
| CN103982442A (en) * | 2014-05-22 | 2014-08-13 | 沈阳第一水泵有限责任公司 | Silicon carbide ceramic lined desulphurization pump |
| CN108425880A (en) * | 2018-04-12 | 2018-08-21 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | A kind of small-sized silicon carbide ceramic impeller of heavy type slurry pump |
| CN108443161A (en) * | 2018-04-12 | 2018-08-24 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | A kind of large-scale silicon carbide ceramic impeller of heavy type slurry pump |
| CN108591115A (en) * | 2018-04-12 | 2018-09-28 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump |
| CN209129921U (en) * | 2018-10-22 | 2019-07-19 | 苏州奥耐特碳化硅陶瓷科技有限公司 | Metallic framework is used in a kind of metal, the casting of nonmetallic composite impeller |
-
2018
- 2018-10-22 CN CN201811226535.5A patent/CN109236730A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB472550A (en) * | 1935-04-26 | 1937-09-24 | George Alexander Hamilton Grie | Rubber covered impellers and method of making the same |
| US20140133996A1 (en) * | 2012-11-06 | 2014-05-15 | Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project | Wear resistant slurry pump parts produced using hot isostatic pressing |
| CN203604540U (en) * | 2013-08-13 | 2014-05-21 | 安徽中鼎密封件股份有限公司 | Anti-vibration pad for automobile radiator |
| CN103982442A (en) * | 2014-05-22 | 2014-08-13 | 沈阳第一水泵有限责任公司 | Silicon carbide ceramic lined desulphurization pump |
| CN108425880A (en) * | 2018-04-12 | 2018-08-21 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | A kind of small-sized silicon carbide ceramic impeller of heavy type slurry pump |
| CN108443161A (en) * | 2018-04-12 | 2018-08-24 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | A kind of large-scale silicon carbide ceramic impeller of heavy type slurry pump |
| CN108591115A (en) * | 2018-04-12 | 2018-09-28 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump |
| CN209129921U (en) * | 2018-10-22 | 2019-07-19 | 苏州奥耐特碳化硅陶瓷科技有限公司 | Metallic framework is used in a kind of metal, the casting of nonmetallic composite impeller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591734A (en) * | 2019-10-25 | 2019-12-20 | 安徽马钢化工能源科技有限公司 | Novel inorganic nonmetal fire observation hole cover of coke oven combustion chamber containing metal framework |
| CN110591734B (en) * | 2019-10-25 | 2024-03-01 | 安徽马钢化工能源科技有限公司 | Novel inorganic nonmetal coke oven combustion chamber fire-hole cover containing metal framework |
| CN111483048A (en) * | 2020-04-16 | 2020-08-04 | 襄阳五二五泵业有限公司 | Manufacturing method of ceramic impeller with built-in all-metal framework |
| CN111963477A (en) * | 2020-08-26 | 2020-11-20 | 安德里茨（中国）有限公司 | Ceramic impeller fixing device, ceramic impeller and manufacturing method and disassembling method thereof |
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