CN107263032A - A kind of manufacture method of small-sized sand suction pump abrasion proof impeller - Google Patents
A kind of manufacture method of small-sized sand suction pump abrasion proof impeller Download PDFInfo
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- CN107263032A CN107263032A CN201710510682.4A CN201710510682A CN107263032A CN 107263032 A CN107263032 A CN 107263032A CN 201710510682 A CN201710510682 A CN 201710510682A CN 107263032 A CN107263032 A CN 107263032A
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- impeller
- capping
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- fitting
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- 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
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of manufacture method of small-sized sand suction pump abrasion proof impeller, including casting, machining, welding, impeller includes impeller bodies, capping, core wheel, rebound, the pre-buried ring of impeller and capping built-in fitting, impeller bodies, capping is cast using rich chromium cast iron, the pre-buried ring of impeller and capping built-in fitting using other machinables and solderability it is good ferroalloy manufacture and respectively it is pre-buried be cast into impeller bodies and capping in, core wheel is used with pre-buried ring to be threadedly coupled and carries out interruption welding at both end places of screwing, capping is then connected with rebound in built-in fitting corresponding position by plug welding, finally the capping of group postwelding is connected with organizing the core wheel progress angle welding of postwelding.Present invention efficiently solves the manufacturing technology problem that rich chromium cast iron is applied to small-sized Sand pump impeller, while impeller abrasion-proof, convenient machining is improved, improve impeller bodies and the bond strength of core wheel, the cracking of impeller, extends the service life of impeller when avoiding the integral built-in from being cast into core wheel.
Description
Technical field
The present invention relates to a kind of manufacturing technology of impeller, more particularly, to a kind of abrasion proof impeller system for small-sized sand suction pump
Make technology.
Background technology
With the quickening of Process of Urbanization Construction, the demand of building sand is also increasing.At present, operation is in the small of middle and small river
Type sand dredger is to provide the main equipment of building sand, and sand suction pump is then its performance adopts one of key equipment of sand function.
Impeller is as the core component of sand suction pump, and its service condition is very severe, when be subjected to sharp wear and the impact of sandstone, be easier to
Abrasion.
For the ease of processing, existing small-sized sand suction pump impeller uses machining property good but resisting silt abrasion mostly
The cast alloy steel material manufacture of poor-performing, causes damage in impeller fast, short life often need to be changed and repaired, have a strong impact on
Adopt sand efficiency and adopt sand cost.
Also some sand suction pump impellers use the method for being integrally cast into core wheel in high chromium white antifriction cast iron impeller bodies
To meet the requirement of the wearability and machinability of impeller simultaneously, but when impeller size is smaller, this method can cause core wheel to leaf
Wheel body casting deflation resistance is excessive, and so as to cause, both bond strengths are low, and impeller is easy to crack, therefore, and this method is not appropriate for
In the small-sized sand suction pump impeller of manufacture.
The content of the invention
In view of the shortcomings of the prior art, it is easy to machining, wearability height the invention provides one kind, is adapted to small-sized suction sand
The impeller manufacture method of pump, by the reasonable design and the optimization of manufacture method to blade wheel structure, solves and utilizes high-chromium alloy
Cast iron materials manufacture the technical barrier of small impeller, substantially increase the service life of impeller.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of manufacture method of small-sized sand suction pump abrasion proof impeller, the impeller include impeller bodies, core wheel, capping, rebound,
The pre-buried ring of impeller and capping built-in fitting, it is characterised in that：The impeller preparation method comprises the following steps：
Step 1: the processing of the pre-buried ring of impeller and capping built-in fitting：
A. the pre-buried ring processing of impeller, processes the pre-buried ring of impeller, in impeller according to design requirement size using ferrous material
Pre-buried ring outer surface axially carries out heap and welds a plurality of weld seam, and a plurality of bead-on-plate weld is symmetrically equal in the pre-buried ring surrounded surface of impeller
Even distribution, then processes the screw thread coordinated with core wheel in the pre-buried ring inner surface of impeller；
B. the processing of capping built-in fitting, the capping built-in fitting of taper is produced according to design requirement using ferrous material；
Step 2: the casting of impeller bodies and capping：
A. impeller bodies are cast, and impeller bodies mould are made according to design size and shape need, by the impeller made
Pre-buried ring is placed in the corresponding position of impeller bodies mould, i.e. impeller bodies and core wheel contact position, and then cast iron is contained
The impeller bodies of impeller built-in fitting；
B. capping casting, capping mold design position is placed in by capping built-in fitting, and the taper major part of capping built-in fitting is placed in
Capping is internal, then obtains the capping containing capping built-in fitting using cast iron；
Step 3: the impeller bodies cast and capping, are first machined, then using irony material by machining
Material processes rebound and core wheel, and the wheel core outer surface also processes the screw thread coordinated with impeller built-in fitting；
Step 4: assembling and welding, assemble and weld in the following order：
A. capping is welded with the group of rebound, by rebound and is sealed at capping built-in fitting and is carried out plug welding, so that by transition
Plate and capping link together；
B. the group weldering of core wheel and impeller bodies, core wheel is coordinated by screw thread and screwed in the pre-buried ring of impeller of impeller bodies,
Fillet welding connection is carried out between being screwed by the core wheel of impeller bodies side on the inside of end and the pre-buried ring of impeller；
C. capping welding, impeller bodies-core wheel progress fillet welding by capping-rebound of group postwelding with organizing postwelding is connected,
Fillet welding specially is carried out in rebound and core wheel inner surface contact position, is connect, after the completion of welding, that is, completed whole using welding rod manual metal-arc welding
The making of individual impeller.
Preferably, in step 2, capping built-in fitting has 3-8, multiple capping built-in fittings with cap central symmetrically and evenly
Distribution.
Preferably, the impeller bodies and capping are using the casting of rich chromium cast iron material, the pre-buried ring of impeller, wheel
Core and capping built-in fitting use low-alloy steel or low-carbon steel making
Preferably, the group weldering of the welding of the impeller built-in fitting surface overlaying weld seam, capping and rebound and core wheel
Group weldering with impeller bodies is welded using the method for fusion welding.
Preferably, the impeller bodies and capping are using lost foam casting process casting.
Preferably, in step 4, before core wheel screws in impeller built-in fitting, first thread uniformly applies shroud outside core wheel
Oxygen tree fat, is screwed in the pre-buried ring thread of impeller of impeller bodies immediately after, and is screwed, after after epoxy resin cure, by core wheel
Fillet welding is carried out again after screwing end and cleaning out on the inside of the pre-buried ring of impeller to be connected.
Preferably, in step one, the wall thickness of the pre-buried ring of impeller is not more than 20mm, and the length of bead-on-plate weld is impeller
The 1/3-3/4 of pre-buried ring length.
Preferably, bead-on-plate weld size is met on the pre-buried ring outer surface of impeller：Wherein：
P- Sand pump power, B- bead-on-plate weld width, L- theory bead-on-plate weld length, n- wheel speeds, the pre-buried ring external diameter of R- impellers,
The allowable shear stress of [τ]-weld seam, it is pre-buried in impeller when wall scroll bead-on-plate weld maximum length is less than theoretical bead-on-plate weld length
A plurality of bead-on-plate weld is set on ring outer surface, and a plurality of bead-on-plate weld is symmetrically and evenly distributed in the pre-buried ring surrounded surface of impeller, and it is full
The a plurality of bead-on-plate weld length summation of foot is more than theoretical bead-on-plate weld length.
A kind of small-sized sand suction pump abrasion proof impeller, impeller bodies and core wheel, it is characterised in that：The impeller bodies connect with core wheel
Meet place and be provided with the pre-buried ring of impeller, the pre-buried ring outer surface of impeller is provided with bead-on-plate weld vertically, and the pre-buried ring of impeller is used
Pre-buried mode is cast together with impeller bodies, and wheel core outer surface is provided with screw thread, and the pre-buried ring of impeller is coordinated with core wheel by screw thread
Rotation and, the thread head of core wheel and core wheel inner surface contact position being weldingly connected using interruption, and core wheel is on the inside of impeller bodies
End is additionally provided with capping and rebound, and capping is provided with the boss that size is matched with the pre-buried ring internal diameter of impeller, and boss is provided with more
The individual capping built-in fitting cast into by pre-buried mode, the capping built-in fitting is outer small interior big taper built-in fitting, transition
Plate is by the way that with being arranged on by way of capping built-in fitting plug welding on boss, size and the core wheel internal diameter of rebound match, rebound
Use and be weldingly connected with core wheel inner surface contact position.
As an improvement, filling epoxy resin between the thread pitch of the core wheel and the pre-buried ring of impeller.
The present invention compared with prior art, has the advantages that：
First, the present invention is by pre-buried casting, the method for Combination Welding, and it is rich chromium cast iron material to make impeller excessively stream wear surface
Material, non-excessively stream wear surface is weldability, machinability, toughness preferably ferrous material, has both overcome high-chromium alloy fragility very much not
Power and unmanageable problem can be transmitted using screw thread, also solve small-sized Hi-chromium Cast Iron Impeller integral built-in and be cast into irony wheel
The problem of impeller bodies are easy to crack during core, while impeller abrasion-proof is improved, it is ensured that its machining, power transmission etc.
The performance requirement of aspect, extends the service life of impeller, reduces maintenance cost；Secondly, the pre-buried ring outer round surface heap of impeller
The presence of welding line ensure that the reliability of impeller pre-buried gyration power transmission, it is to avoid impeller bodies and the axial direction of pre-buried ring are altered
It is dynamic；In addition, core wheel carries the round boss played the role of positioning, the installation of component can be facilitated, the connection with core wheel is covered and also cancel
Traditional bolt connecting mode, sealing effectiveness more preferably, more can effectively protect pump shaft.
Secondly, the design of the pre-buried ring of impeller：Bonding strength is ensure that, former patent also has integral built-in, but suitable
Large-scale impeller is closed, if impeller size is smaller, cracking is easily caused.
Then, end cap is by the way of plug welding, and its sealing property and stable connection performance are far longer than at present use mostly
Bolt connection.
Brief description of the drawings
Fig. 1 is impeller bodies structural representation of the present invention.
Fig. 2 is abrasion proof impeller structural representation of the present invention.
Fig. 3 is impeller bodies and core wheel and the partial enlarged drawing of capping assembling in Fig. 2.
In figure：1- impeller bodies, the pre-buried ring of 2- impellers, 3- bead-on-plate welds, 4- cappings, 5- rebounds-core wheel angle welding, 6-
Rebound-capping plug weld, 7- rebounds, the pre-buried ring angle welding of 8- core wheels-impeller, 9- core wheels, 10- capping built-in fittings.
Embodiment
To make those of ordinary skill in the art fully understand technical scheme and beneficial effect, below in conjunction with the accompanying drawings
And embodiment is described in further detail to the present invention.
As shown in Figure 1 to Figure 3, a kind of small-sized sand suction pump abrasion proof impeller, impeller bodies 1 and core wheel 9, the impeller bodies 1
The pre-buried ring 2 of impeller is provided with the junction of core wheel 9, the pre-buried outer surface of ring 2 of impeller is provided with bead-on-plate weld 3 vertically, leaf
Pre-buried ring 2 is taken turns to cast together with impeller bodies 1 by the way of pre-buried, the outer surface of core wheel 9 be provided with screw thread, the pre-buried ring 2 of impeller with
Core wheel 9 coordinates rotation by screw thread and the thread head of core wheel 9 and the inner surface contact position of core wheel 9 being weldingly connected using interruption are taken turns
Core 9 is additionally provided with capping 4 and rebound 7 close to the medial end of impeller bodies 1, and capping 4 is provided with size and the pre-buried internal diameter of ring 2 of impeller
The boss of matching, boss is provided with multiple capping built-in fittings 10 cast into by pre-buried mode, the capping built-in fitting 10
For outer small interior big taper built-in fitting, rebound 7 by way of the capping plug welding of built-in fitting 10 with being arranged on boss, rebound
7 size matches with the internal diameter of core wheel 9, and rebound 7 is used with the inner surface contact position of core wheel 9 and is weldingly connected.
A kind of small-sized sand suction pump of use abrasion proof impeller, Sand pump power 300KW, wheel speed 800r/min, lift
33m, the manufacture method of the small-sized sand suction pump abrasion proof impeller, including casting, machining, welding, its structure and welding portion ginseng
See Fig. 1 to Fig. 3, impeller includes impeller bodies 1, capping 4, core wheel 9, rebound 7, the pre-buried ring 2 of impeller and capping built-in fitting 10, leaf
Wheel body 1, capping 4 are cast using rich chromium cast iron, the pre-buried ring 2 of impeller and capping built-in fitting 10 using other machinables and
The good ferroalloy of solderability is manufactured and the pre-buried impeller bodies 1 that are cast into are with capping 4 respectively, and core wheel 9 is connected with pre-buried ring using screw thread
Connect and interruption welding is carried out at both end places of screwing, capping 4 is then connected with rebound 7 in built-in fitting corresponding position by plug welding
Connect, the capping 4 of group postwelding finally is carried out into angle welding with the core wheel 9 of group postwelding is connected.
The specific manufacturing process of impeller is as follows：
1st, built-in fitting is processed
1) the pre-buried ring 2 of impeller is prepared：The pre-buried ring 2 of impeller uses ZG35SiMn, is processed into internal diameter 168mm, external diameter 200mm,
Long 100mm, takes weld metal allowable shear stress [τ]=100Mpa, pre-buried ring external diameter R=0.1m, sand pump power P=300KW,
Wheel speed n=800r/min, obtaining the size of bead-on-plate weld 3 according to the calculating of bead-on-plate weld Size calculation formula is:BL≥
368mm2。
Using semi-automatic CO2 gas shielded arc weldings carry out weld seam built-up welding, 135~145A of welding current, arc voltage 22~
24V, gage of wire 1.2mm, welding wire trade mark H08Mn2SiA, root of weld molten wide B take 8mm, fusion length L >=44.785mm.
Actual welds are dimensioned to：L=50mm, B=8mm~10mm, weld reinforcement=4~6mm.
2) capping built-in fitting 10 is processed：The built-in fitting is tapered part, length 17mm, outside diameter 14mm, end diameter
12mm, quantity 6, material is No. 35 steel.
2nd, cast
1) impeller bodies 1 are cast：The pre-buried ring 2 of the impeller prepared is previously positioned at casting lost foam pattern corresponding positions
Put, brushing paint, progress lost foam casting together with model, impeller bodies 1 are using the casting of Cr26 rich chromium cast irons material.
2) capping 4 is cast：The capping built-in fitting 10 prepared is upside down in 4 lost foam pattern relevant positions of capping in advance,
That is the taper major part of capping built-in fitting 10 is placed in inside capping 4, and microcephaly outwardly, and draws fixed handle, and brushing is applied together with model
Material, progress lost foam casting, capping 4 is using the casting of Cr26 rich chromium cast irons material.
3rd, it is machined
1) core wheel 9 is using No. 35 steel processing.
2) processing is cast into the impeller bodies 1 of the pre-buried ring 2 of impeller.
3) processing is cast into the capping 4 of capping built-in fitting 10.
4) rebound 7 is processed, the material of work rebound 7 is Q345B steel.
4th, assembling and welding
1) capping 4 and the group of rebound 7 are welded：By the progress plug welding at capping built-in fitting 10 with capping 4 of rebound 7, realize
Capping 4 is connected with the combination of rebound 7, and 4 main functions of the capping are that the end of core wheel 9 is sealed, and prevent water from entering wheel
In core 9, welding condition is：Using semi-automatic CO2Gas shielded arc welding is welded, 135~145A of welding current, electric arc electricity
Press 22~24V, gage of wire 1.2mm, welding wire trade mark H08Mn2SiA.
2) core wheel 9 and the group of impeller bodies 1 are welded：The outside thread of core wheel 9 is uniformly coated into epoxy resin and screws in impeller at once
In the pre-buried thread of ring 2, and screw, after after epoxy resin cure, by core wheel 9 by the side of impeller bodies 1 to screw end pre- with impeller
Bury progress fillet after the inner side of ring 2 is cleaned out to connect, the high 5mm of leg, using semi-automatic CO2Gas shielded arc welding carries out weld seam heap
Weldering, 135~145A of welding current, 22~24V of arc voltage, gage of wire 1.2mm, welding wire trade mark H08Mn2SiA.
3) capping 4 is welded：Impeller bodies-core wheel progress fillet welding by capping-rebound of group postwelding with organizing postwelding is connected,
Fillet welding specially is carried out in rebound 7 and the inner surface contact position of core wheel 9, using welding rod manual metal-arc welding, core diameter 4mm, welding rod board
Number J507, welding current 120A.
It is to be noted that present invention capping 4 and impeller bodies 1 are not limited to lost foam casting, can be using any other casting
Method.
Additionally need and be pointed out that above-described embodiment capping built-in fitting 10 there are 6,6 cover built-in fittings 10 to cover in 4
The heart is symmetrically and evenly distributed, and actually covers built-in fitting 10 and is not limited to 6, multiple capping built-in fittings 10 are symmetrical to cover 4 axial lines
It is uniformly distributed.
Further need exist for, it is noted that the quantity of bead-on-plate weld 3 of the pre-buried surrounding of ring 2 of impeller is not limited, typically there are 3-12 bars i.e.
Can, a plurality of bead-on-plate weld 3 is uniformly distributed in the pre-buried surrounding of ring 2 of impeller.
Further need exist for, it is noted that the pre-buried ring 2 of the impeller and capping 4 are not limited to the Cr26 materials in above-described embodiment
Casting, also can be using the casting of other rich chromium cast iron materials.The pre-buried ring 2 of impeller, core wheel 9 and capping built-in fitting 10 are not yet
It is limited in above-described embodiment to refer to material, the technology that can solve the present invention using low-alloy steel or low-carbon steel making is asked
Topic, meets and requires, what is selected in above-described embodiment is only one kind of most optimum materials.
Further need exist for welding, capping 4 and rebound 7, it is noted that the surface overlaying weld seam of the impeller built-in fitting 2
The group weldering of group weldering and core wheel 9 and impeller bodies 1 carries out welding using the method for fusion welding can solve the technology of the present invention
Problem, meets and requires, the semi-automatic CO selected in above-described embodiment2Gas shielded arc welding is welded only optimal welding method
In one kind.
The protection domain of this patent is not limited to the concrete scheme of above example, and everything utilizes the overall skill that this patent is provided
Art scheme and the sand suction pump impeller produce, manufacture, using, each fall within the protection domain of this patent.
In view of the convenient operation of erecting and welding and mechanical stability, the wall thickness of the pre-buried ring of impeller is not more than 20mm, heap
The length of welding line is the 1/3-3/4 of the pre-buried ring length of impeller.
Bead-on-plate weld size is met on the pre-buried ring outer surface of impeller：Wherein：P- Sand pump work(
Rate, B- bead-on-plate weld width, L- theory bead-on-plate weld length, n- wheel speeds, the pre-buried ring external diameter of R- impellers, [τ]-weld seam is permitted
With shearing stress, when wall scroll bead-on-plate weld maximum length is less than theoretical bead-on-plate weld length, set on the pre-buried ring outer surface of impeller
A plurality of bead-on-plate weld is put, a plurality of bead-on-plate weld is symmetrically and evenly distributed in the pre-buried ring surrounded surface of impeller, and meet a plurality of built-up welding weldering
Stitch length summation and be more than theoretical bead-on-plate weld length.
Claims (10)
1. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller, the impeller includes impeller bodies, core wheel, capping, rebound, leaf
Take turns pre-buried ring and capping built-in fitting, it is characterised in that：The impeller preparation method comprises the following steps：
Step 1: the processing of the pre-buried ring of impeller and capping built-in fitting：
A. the pre-buried ring processing of impeller, the pre-buried ring of impeller is processed according to design requirement size using ferrous material, pre-buried in impeller
Ring outer surface axially carries out bead-on-plate weld, and the screw thread coordinated with core wheel is then processed in the pre-buried ring inner surface of impeller；
B. the processing of capping built-in fitting, the capping built-in fitting of taper is produced according to design requirement using ferrous material；
Step 2: the casting of impeller bodies and capping：
A. impeller bodies are cast, and impeller bodies mould is made according to design size and shape need, and the impeller made is pre-buried
Ring is placed in the corresponding position of impeller bodies mould, i.e. impeller bodies and core wheel contact position, and then cast iron is obtained containing impeller
The impeller bodies of built-in fitting；
B. capping casting, capping mold design position is placed in by capping built-in fitting, and the taper major part of capping built-in fitting is placed in capping
Inside, then obtains the capping containing capping built-in fitting using cast iron；
Step 3: the impeller bodies cast and capping, are first machined, are then added using ferrous material by machining
Work goes out rebound and core wheel, and the wheel core outer surface also processes the screw thread coordinated with impeller built-in fitting；
Step 4: assembling and welding, assemble and weld in the following order：
A. capping is welded with the group of rebound, by rebound and is sealed at capping built-in fitting and is carried out plug welding, thus by rebound and
Capping links together；
B. core wheel and impeller bodies group weldering, by core wheel by screw thread coordinate screw in impeller bodies the pre-buried ring of impeller in, by
The core wheel of impeller bodies side carries out fillet welding connection between screwing on the inside of end and the pre-buried ring of impeller；
C. capping welding, impeller bodies-core wheel progress fillet welding by capping-rebound of group postwelding with organizing postwelding is connected, specifically
To carry out fillet welding in rebound and core wheel inner surface contact position, after the completion of welding, that is, the making of whole impeller is completed.
2. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller according to claim 1, it is characterised in that：Step 2
In, capping built-in fitting has 3-8, and multiple capping built-in fittings are symmetrically and evenly distributed with cap central.
3. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller according to claim 1, it is characterised in that：The impeller
Main body and capping are using the casting of rich chromium cast iron material, and the pre-buried ring of impeller, core wheel and capping built-in fitting use low-alloy
Steel or low-carbon steel making.
4. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller according to claim 1, it is characterised in that：The impeller
Welding, capping and the group weldering of rebound and the group weldering of core wheel and impeller bodies of built-in fitting surface overlaying weld seam are using molten
The method for changing weldering is welded.
5. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller according to claim 1, it is characterised in that：The impeller
Main body and capping are using lost foam casting process casting.
6. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller according to claim 1, it is characterised in that：Step 4
In, before core wheel screws in impeller built-in fitting, first thread uniformly coats epoxy resin outside core wheel, and impeller is screwed in immediately after
In the pre-buried ring thread of impeller of main body, and screw, after after epoxy resin cure, core wheel is screwed into end and impeller pre-buried ring inner side
Fillet welding connection is carried out after cleaning out again.
7. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller according to claim 1, it is characterised in that：Step one
In, the wall thickness of the pre-buried ring of impeller is not more than 20mm, and the length of bead-on-plate weld is the 1/3-3/4 of the pre-buried ring length of impeller.
8. a kind of manufacture method of small-sized sand suction pump abrasion proof impeller according to claim 7, it is characterised in that：The impeller
Bead-on-plate weld size is met on pre-buried ring outer surface：Wherein：P- Sand pump power, B- bead-on-plate welds are wide
Degree, L- theory bead-on-plate weld length, n- wheel speeds, the pre-buried ring external diameter of R- impellers, the allowable shear stress of [τ]-weld seam works as wall scroll
When bead-on-plate weld maximum length is less than theoretical bead-on-plate weld length, a plurality of bead-on-plate weld is set on the pre-buried ring outer surface of impeller,
A plurality of bead-on-plate weld is symmetrically and evenly distributed in the pre-buried ring surrounded surface of impeller, and meets a plurality of bead-on-plate weld length summation more than reason
By bead-on-plate weld length.
9. a kind of small-sized sand suction pump abrasion proof impeller, impeller bodies and core wheel, it is characterised in that：The impeller bodies are connected with core wheel
Place is provided with the pre-buried ring of impeller, and the pre-buried ring outer surface of impeller is provided with bead-on-plate weld vertically, and the pre-buried ring of impeller is using pre-
The mode buried is cast together with impeller bodies, and wheel core outer surface is provided with screw thread, and the pre-buried ring of impeller is coordinated with core wheel by screw thread to be revolved
With, the thread head of core wheel and core wheel inner surface contact position being weldingly connected using interruption, core wheel is close to impeller bodies medial extremity
Portion is additionally provided with capping and rebound, and capping is provided with the boss that size is matched with the pre-buried ring internal diameter of impeller, and boss is provided with multiple
The capping built-in fitting cast into by pre-buried mode, the capping built-in fitting is outer small interior big taper built-in fitting, rebound
With capping built-in fitting plug welding by way of be arranged on boss on, size and the core wheel internal diameter of rebound match, rebound and
Core wheel inner surface contact position uses and is weldingly connected.
10. a kind of small-sized sand suction pump abrasion proof impeller according to claim 9, it is characterised in that：The core wheel and impeller are pre-
Epoxy resin is filled between the thread pitch for burying ring.
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| CN201710510682.4A CN107263032B (en) | 2017-06-28 | 2017-06-28 | A kind of manufacturing method of small-sized sand suction pump abrasion proof impeller |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115700A (en) * | 1995-07-09 | 1996-01-31 | 江苏省邳州市官湖机械厂 | Manufacture of pump body and vane of sand-sucking pump |
| CN2232077Y (en) * | 1995-05-20 | 1996-07-31 | 江苏省邳州市官湖机械厂 | Multifunctional sand pump |
| CN101658999A (en) * | 2008-08-25 | 2010-03-03 | 浙江丰球泵业股份有限公司 | Processing technology for double-blade enclosed impeller |
| RU2398973C2 (en) * | 2008-10-21 | 2010-09-10 | Открытое акционерное общество "Центральное конструкторское бюро машиностроения" | Procedure for fabrication of impeller of centrifugal pump |
| CN103341738A (en) * | 2013-07-16 | 2013-10-09 | 江苏亚梅泵业集团有限公司 | Method for machining submerged pump impeller |
| EP2669042A1 (en) * | 2012-05-30 | 2013-12-04 | Sulzer Markets and Technology AG | Method for producing a workpiece using a cutting device |
| CN104141632A (en) * | 2014-07-25 | 2014-11-12 | 吉首长潭泵业有限公司 | Abrasion-resistant alloy mortar pump impeller and manufacturing method thereof |
-
2017
- 2017-06-28 CN CN201710510682.4A patent/CN107263032B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2232077Y (en) * | 1995-05-20 | 1996-07-31 | 江苏省邳州市官湖机械厂 | Multifunctional sand pump |
| CN1115700A (en) * | 1995-07-09 | 1996-01-31 | 江苏省邳州市官湖机械厂 | Manufacture of pump body and vane of sand-sucking pump |
| CN101658999A (en) * | 2008-08-25 | 2010-03-03 | 浙江丰球泵业股份有限公司 | Processing technology for double-blade enclosed impeller |
| RU2398973C2 (en) * | 2008-10-21 | 2010-09-10 | Открытое акционерное общество "Центральное конструкторское бюро машиностроения" | Procedure for fabrication of impeller of centrifugal pump |
| EP2669042A1 (en) * | 2012-05-30 | 2013-12-04 | Sulzer Markets and Technology AG | Method for producing a workpiece using a cutting device |
| CN103341738A (en) * | 2013-07-16 | 2013-10-09 | 江苏亚梅泵业集团有限公司 | Method for machining submerged pump impeller |
| CN104141632A (en) * | 2014-07-25 | 2014-11-12 | 吉首长潭泵业有限公司 | Abrasion-resistant alloy mortar pump impeller and manufacturing method thereof |
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| CN107263032B (en) | 2019-03-19 |
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