CN208895117U - A kind of pump vane casting mold and impeller - Google Patents
A kind of pump vane casting mold and impeller Download PDFInfo
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- CN208895117U CN208895117U CN201821664734.XU CN201821664734U CN208895117U CN 208895117 U CN208895117 U CN 208895117U CN 201821664734 U CN201821664734 U CN 201821664734U CN 208895117 U CN208895117 U CN 208895117U
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Abstract
The utility model relates to precision casting technology fields, in particular to a kind of pump vane casting mold and impeller, a kind of pump vane casting mold, upper die and lower die including being used to form cavity, the bucket core for being used to form impeller impression is provided in the cavity, the bucket core includes multiple blade monomers connecting respectively with upper die and lower die, a kind of impeller, it is formed using above-mentioned die casting, it can facilitate the dismounting of mold, reduce die casting cost, improve the casting accuracy of mold.
Description
Technical field
The utility model relates to die casting fields, in particular to a kind of pump vane casting mold and impeller.
Background technique
Centrifugal compressor impeller is the core component of centrifugal compressor, and the quality of impeller influences the energy of centrifugal compressor
Effect, vibration, noise.The mode welded after being machined out to rough forging is generallyd use in industry at present and makes impeller, is also taken turns
Integral casting forming also can be used.Impeller integral casting, which forms, has the advantages such as with short production cycle, at low cost, but existing entirety
Structure is complicated for impeller mold, casting accuracy is low.
Utility model content
The purpose of this utility model is to provide a kind of pump vane casting mold and impellers, and mold attaching/detaching is convenient, reduce mould
Have casting cost, improves the casting accuracy of mold.
The embodiments of the present invention are achieved in that
A kind of pump vane casting mold, the upper die and lower die including being used to form cavity are provided with for shape in the cavity
At the bucket core of impeller impression；
The bucket core includes multiple blade monomers that portion in the cavity is arranged.
Lower die is disc-shaped structure, and upper mold is horn-like structure, and upper die and lower die fasten, and end cap is buckled at the top of upper mold, type
Core is arranged in the intracavitary portion of type and connect with lower die.
Preferably, above-mentioned blade monomer is connect with cavity by mutually matched convex and groove structure.
Preferably, above-mentioned blade monomer is provided with the bulge-structure for being used to form spacing between the blade monomer, monomer
Blade combines to form bucket core after, gap between adjacent monomer blade is the thickness of blade.
Preferably, the exhaust end of above-mentioned blade monomer and outlet side are separately provided for the protrusion connecting with the cavity
Or recess；The structure with the cooperation of blade monomer is provided in cavity.
Preferably, above-mentioned upper die and lower die are fastened and connected, and lower die is provided with annular convex platform, and upper mold is provided with step surface, on
When mould and lower die fasten, annular convex platform limitation lower die is moved radially.
Preferably, above-mentioned mold further includes inner core and end cap, and inner core is used to form the axis hole of impeller, and the end cap is socketed institute
Inner core is stated, lower die is provided centrally with fixation hole, and inner core is embedded in fixation hole, facilitates the dismounting of inner core.
Preferably, above-mentioned upper mold includes multiple modules interconnected, pump vane casting rear mold convenient disassembly.
Preferably, one or more modules are provided with the insert for connecting with the lower die.
Preferably, above-mentioned mold further includes limit sleeve, described to limit the peripheral side for being set on the upper mold, limit sleeve limit
Upper mold processed is mobile to the peripheral side of lower die.
Preferably, above-mentioned blade monomer material is ceramics or gypsum, and ceramic structure intensity is high, shrinking percentage is small, solves blade
Type core is easily broken off in casting process, and causes impeller size precision low because bucket core casting anteroposterior contraction rate is big
Problem, ceramic material fine size reduce the roughness of impeller surface, reduce the disqualification rate of pump vane casting.
A kind of impeller, using the investment casting shell, pours gold in Xiang Suoshu shell using above-mentioned die casting fusible pattern
Belong to liquid and obtain impeller, impeller surface roughness is low, and impeller size precision is high, and mould release is convenient, and the disqualification rate of impeller is low, drop
The casting cost of low impeller.
The beneficial effect of the utility model embodiment is:
For bucket core by multiple impeller monomer compositions, dismounting impeller is convenient, and blade monomer is separately fixed in cavity, blade
Monomer stabilization is good, and blade deviation and type chamber geometrical deviation are small, improves the casting accuracy of mold.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the utility model embodiment structural schematic diagram.
Icon: 1- upper mold；2- lower die；3- limit sleeve；4- end cap；5- bucket core；6- inner core.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", 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, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Fig. 1 is please referred to, the present embodiment provides a kind of pump vane casting molds, upper mold 1, lower die 2 including being used to form cavity,
Lower die 2 is disc-shaped structure, and upper mold 1 is horn-like structure, and upper mold 1 and lower die 2 are fastened and connected, and lower die 2 is provided with annular convex platform,
Upper mold 1 is provided with the step surface with annular convex platform cooperation, and when upper mold 1 and lower die 2 fasten, annular convex platform limits the radial direction of lower die 2
It is mobile；End cap 4 is buckled in the top of upper mold 1 and is detachably connected with upper mold 1, and 2 centre of lower die is provided with fixation hole, inner core 6 with
Fixation hole cooperation, end cap 4 are socketed inner core 6 and fix inner core 6 in the cavity.
Upper mold 1 includes multiple modules interconnected, is conducive to the disassembly of mold, one or more modules, which are provided with, to be used for
The insert connecting with lower die 2, insert limit upper mold 1 and rotate around inner core 6 relative to lower die 2, improve the precision of die casting, mould
Tool further includes limit sleeve 3, and the peripheral side of upper mold 1 is arranged in limit sleeve 3, and limit sleeve 3 limits periphery sidesway of the upper mold 1 to lower die 2
It is dynamic, improve the integrally-built stability of mold.
Bucket core 5 includes multiple blade monomers connecting respectively with upper mold 1 and lower die 2, and blade monomer passes through with cavity
It is mutually matched convex to be connected with groove structure；Blade monomer is provided with the bulge-structure for being used to form spacing between blade monomer,
Monomer blade combines to form bucket core 5 after, the gap between adjacent monomer blade is the thickness of blade, blade monomer
Exhaust end and outlet side are separately provided for connecting with cavity raised or sunken, are provided in cavity and connect with blade monomer
Fit structure；
Blade monomer material is ceramics or gypsum, and ceramic structure intensity is high, shrinking percentage is small, solves bucket core 5 and is casting
It is easily broken off in the process, and the problem for causing impeller size precision low because the casting anteroposterior contraction rate of bucket core 5 is big, ceramics
Material particle size is thin, reduces the roughness of impeller surface, reduces the disqualification rate of pump vane casting.
A kind of impeller, using the investment casting shell, pours gold in Xiang Suoshu shell using above-mentioned die casting fusible pattern
Belong to liquid and obtain impeller, impeller surface roughness is low, and impeller size precision is high, and mould release is convenient, and the disqualification rate of impeller is low, drop
The casting cost of low impeller.
Mold in the utility model is detachably connected by multiple portions to be formed, and main includes end cap 4, formation upper mold 1
Multiple modules, inner core 6, lower die 2, limit sleeve 3 and bucket core 5, bucket core 5 include multiple blade monomers；Blade monomer
Material be ceramics, pump vane casting mold solve bucket core 5 be easily broken off in casting process, and because bucket core 5 cast
Make that anteroposterior contraction rate is big and the problem that causes impeller size precision low, ceramic material fine size reduce the roughness of impeller surface,
The disqualification rate of pump vane casting is reduced, pump vane casting cost is reduced.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pump vane casting mold, which is characterized in that upper mold (1) and lower die (2) including being used to form cavity, the cavity
Inside it is provided with the bucket core (5) for being used to form impeller impression；
The bucket core (5) includes the blade monomer of multiple settings in the cavity.
2. mold according to claim 1, which is characterized in that the blade monomer and cavity by mutually matched convex and
Groove structure connection.
3. mold according to claim 1, which is characterized in that the blade monomer, which is provided with, is used to form the blade list
The bulge-structure of spacing between body.
4. mold according to claim 1, which is characterized in that the exhaust end of the blade monomer and outlet side are respectively set
Have raised or sunken for being connect with the cavity.
5. mold according to claim 1, which is characterized in that the upper mold (1) and lower die (2) are fastened and connected.
6. mold according to claim 1, which is characterized in that the upper mold (1) includes multiple modules interconnected.
7. mold according to claim 6, which is characterized in that one or more modules be provided with for it is described under
The insert of mould (2) connection.
8. mold according to claim 1, which is characterized in that the mold further includes limit sleeve (3), the limit sleeve
(3) it is set in the peripheral side of the upper mold (1).
9. mold according to any one of claims 1 to 8, which is characterized in that the blade monomer material be ceramics or
Gypsum.
10. a kind of impeller, which is characterized in that use die casting fusible pattern as claimed in claim 9, utilize the model casting type
Shell pours molten metal in Xiang Suoshu shell and obtains impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664734.XU CN208895117U (en) | 2018-10-12 | 2018-10-12 | A kind of pump vane casting mold and impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664734.XU CN208895117U (en) | 2018-10-12 | 2018-10-12 | A kind of pump vane casting mold and impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208895117U true CN208895117U (en) | 2019-05-24 |
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| CN201821664734.XU Active CN208895117U (en) | 2018-10-12 | 2018-10-12 | A kind of pump vane casting mold and impeller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047662A (en) * | 2018-10-12 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of pump vane casting mold and impeller |
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2018
- 2018-10-12 CN CN201821664734.XU patent/CN208895117U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047662A (en) * | 2018-10-12 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of pump vane casting mold and impeller |
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