CN105750508B - A kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof - Google Patents
A kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof Download PDFInfo
- Publication number
- CN105750508B CN105750508B CN201610253648.9A CN201610253648A CN105750508B CN 105750508 B CN105750508 B CN 105750508B CN 201610253648 A CN201610253648 A CN 201610253648A CN 105750508 B CN105750508 B CN 105750508B
- Authority
- CN
- China
- Prior art keywords
- sand mold
- blade
- dowel
- intrados
- sand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof, it includes the skeleton sand mold corresponding with submersible pump impeller inner chamber and the corresponding blade sand mold of passage between impeller blade, blade sand mold is inlaid on skeleton sand mold, and the gap corresponding with impeller blade is provided between blade sand mold and/or between blade sand mold and skeleton sand mold；Its preparation method, rational technology；The present invention is rational in infrastructure, ingenious in design, durable, cost-effective, and it is fast to go out type, indeformable, highly polished, environmentally safe.
Description
Technical field
The present invention relates to a kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof.
Background technology
Now widely used submersible pump impeller, always using making impeller blade sand mold and manual extraction blade by hand
Method, the defects of labor intensity is high, time-consuming, low production efficiency, high percent defective during type processed be present, cause unnecessary material
The waste of material and the energy.Precoated sand moulding method than manual moulding method go out type is fast, be unlikely to deform, it is highly polished, to environment
It is pollution-free, mainly solve the problems, such as existing labor effect height, low production efficiency, percent defective height, process is cumbersome, fund input is big, be
The defects of overcoming above-mentioned prior art and deficiency, the precoated sand casting largely use, but diving under water in other industry products
When pump impeller blade sand mold makes, due to the particularity of blade multi-angle distortion so that coated sand shooting completes rear blade mould root
Originally it can not extract out, not captured always so precoated sand submersible pump impeller blade sand mold makes；It is if also whole using impeller blade
Body overlay film sand mold, after blade sand mold is made, blade mould can not be extracted out at all.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of precoated sand submersible pump impeller blade sand mold ingenious in design
And preparation method thereof.
To solve the above problems, the technical solution used in the present invention is：
The present invention includes the skeleton sand mold corresponding with submersible pump impeller inner chamber and passage is relative between impeller blade
The blade sand mold answered, blade sand mold are inlaid on skeleton sand mold, between blade sand mold and/or blade sand mold and skeleton sand mold it
Between be provided with the gap corresponding with impeller blade.
Further, skeleton sand mold includes the first dowel of sped structure, the second dowel of sped structure, difference
The lower round platform that is connected with the first dowel with the second dowel lower end and respectively with the first dowel and the second dowel upper end
The upper crossbearer of connection；First dowel is identical with the second dowel structure, the first dowel, the second dowel and upper crossbearer shape
It is divided into body and right side body, the axial line of left side body and the following round platform of right side body on the left of shape identical into cut-off and by skeleton sand mold
Circumferentially array is set, and blade sand mold is arranged between the first dowel, the second dowel, upper crossbearer and lower round platform, blade
Sand mold at least two.
Further, blade sand mold includes the first blade sand mold, the second blade sand mold, third blade sand mold and quaterfoil sand
Type；
The left side body includes the first groove for being arranged on lower round platform upper surface and the second groove, is arranged on the left of crossbearer
First on screens groove and the first intrados and the second intrados that are arranged on lower round platform madial wall on screens groove and second；
The lower end of first blade sand mold is inlaid in the first groove, and the lower end of screens groove is inlaid in the second groove on second
It is interior,
The upper end of first blade sand mold is inlaid on first in screens groove, and the upper end of screens groove is inlaid on second on second
Screens groove,
The first convex surface on the left of the first negative camber, the second dowel, upper crossbearer lower-left face on the right side of first dowel,
First is formed between the right-hand member of one intrados and the second intrados and accommodates hollow out,
The lower end of first negative camber and the left end of the first intrados are in smoothing junction, the right-hand member of the first intrados and the second inner arc
The left end in face is in smoothing junction, and the right-hand member of the second intrados is connected with the lower end of the first convex surface；
Include being arranged on the 3rd groove of lower round platform upper surface and the 4th groove on the right side body, to be arranged on crossbearer right
Screens groove and the 3rd intrados and the 4th inner arc that are arranged on lower round platform madial wall on screens groove and the 4th on the 3rd of side
Face；
The lower end of third blade sand mold is inlaid in the 3rd groove, and the lower end of quaterfoil sand mold is inlaid in the 4th groove
It is interior,
The upper end of screens groove is inlaid on the 3rd in screens groove on 3rd, and the upper end of quaterfoil sand mold is inlaid on the 4th
In screens groove,
The 3rd positive camber on the right side of the second convex surface, the second dowel, upper crossbearer bottom right face on the left of first dowel,
Second is formed between three intrados and the 4th intrados and accommodates hollow out,
The lower end of 3rd positive camber is in smoothing junction with the left end of the 3rd intrados, the right-hand member and the 4th inner arc of the 3rd intrados
The left end in face is smoothly connected, and the right-hand member of the 4th intrados is connected with the lower end of the second convex surface；
First blade sand mold, the second blade sand mold, third blade sand mold are identical with quaterfoil sand mould structure, the first blade
Sand mold and the second blade sand mold are successively set in the first receiving hollow out, and third blade sand mold is set gradually with quaterfoil sand mold
Accommodated second in hollow out,
First blade sand mold includes being inlaid in the first screens key in the first groove, corresponding with the first negative camber first
Side convex surface, the upper screens block being inlaid on first in screens groove, the lower camber side to be fitted with the first intrados and the second blade
Outside the convex platform and first concordant with upper crossbearer lower surface of the corresponding side concave curved surface of second side convex surface of sand mold, upper surface
Arc surface；
Gap corresponding with diving pump blade is provided between the first negative camber and the first side convex surface；In the second blade
Gap corresponding with diving pump blade is provided between the second side convex surface and side concave curved surface of sand mold；The following round platform in gap
Axial line circumferentially array set；
The sped structure of first side convex surface, side concave curved surface and the first outer arc surface composition, the first outer arc surface position
In the top of the first side convex surface and side concave curved surface,
Upper screens block is arranged on convex platform side, upper screens block lower end respectively with the first side convex surface, side concave curved surface and
First outer arc surface upper end connection, lower camber side connect with the first side convex surface, side concave curved surface and the first outer arc surface lower end respectively
Connect,
First outer arc surface, the second outer arc surface of the second blade sand mold, the 3rd outer arc surface of third blade sand mold,
The outside curve of 3rd outer arc surface of quaterfoil sand mold, the outside curve of the first dowel and the second dowel forms and dived
The corresponding ring seal curved surface in water pump vane inner chamber.
A kind of method for making above-mentioned precoated sand submersible pump impeller blade sand mold, comprises the following steps；
Step a：Include the making of skeleton sand mold；
Step b：Include the making of the blade sand mold；
Step c：After execution of step a and step b, splice blade sand mold successively on skeleton sand mold.
Further, the step a：The model of skeleton sand mold includes the upper model of skeleton sand mold and the lower mould of skeleton sand mold
Type, the die joint of skeleton sand mold is provided between the drag of upper model and the skeleton sand mold of skeleton sand mold；
Matched moulds work step is carried out first, and the drag of the upper model of skeleton sand mold and skeleton sand mold is respectively installed to sand filler
Upper mould erecting bed and lower mould erecting bed on, control in the mobile cylinder drive of mould erecting bed go up model and be displaced downwardly to two model combinations
Together；
Then heating work step is carried out, starts sand filler, heating rod is positioned in bottoming hole, preheated simultaneously by heating rod
The upper model of skeleton sand mold and the drag of skeleton sand mold, are heated up to 180 DEG C -220 DEG C；
Finally carry out noting sand work step, the note sand mobile cylinder of sand filler drives note sand cylinder to move into place in the load bearing solids of centre
At pattern type, note the note sand hole of the note sand mouth alignment skeleton sand mould type on sand cylinder, the cylinder pressurization of note sand, feed bin by delivery pipe,
Note sand cylinder and note sand to the model mesohigh of skeleton sand mold with noting sand mouth, after noting sand, control note sand mobile cylinder drives note sand
Cylinder leaves skeleton sand mold, and note sand mouth is away from sand hole is noted, and after insulation, upper mould erecting bed mobile cylinder drives upper model lifting,
Take out and repair skeleton sand mold.
Further, the step b：The model of the blade sand mold is included under the upper model and blade sand mold of blade sand mold
Model, the die joint of blade sand mold is provided between the drag of upper model and bone the blade sand mold of blade sand mold；
Matched moulds work step is carried out first, and the drag of the upper model of blade sand mold and blade sand mold is respectively installed to sand filler
Upper mould erecting bed and lower mould erecting bed on, control in the mobile cylinder drive of mould erecting bed go up model and be displaced downwardly to two model combinations
Together；
Then heating work step is carried out, starts sand filler, heating rod is positioned in bottoming hole, preheated simultaneously by heating rod
The upper model of blade sand mold and the drag of blade sand mold, are heated up to 180 DEG C -220 DEG C；
Finally carry out noting sand work step, the note sand mobile cylinder of sand filler drives note sand cylinder to move into place in the blade sand of centre
At pattern type, note the note sand hole of the note sand mouth alignment blade sand mold model on sand cylinder, the cylinder pressurization of note sand, feed bin by delivery pipe,
Note sand cylinder and note sand to the model mesohigh of blade sand mold with noting sand mouth, after noting sand, control note sand mobile cylinder drives note sand
Cylinder leaves skeleton sand mold, and note sand mouth is away from sand hole is noted, and after insulation, upper mould erecting bed mobile cylinder drives upper model lifting,
Take out and repair blade sand mold.
Further, in finally carrying out noting sand work step, note sand cylinder is pressurised into 0.7Mpa-0.76Mpa, notes sand duration 5s, protects
Warm 100s.
Further, it is attached with releasing agent on the model of the model of blade sand mold and skeleton sand mold.
It is using beneficial effect caused by above-mentioned technical proposal：
Precoated sand makes impeller blade sand mold, particularly well diving before the present invention is applied to submersible pump impeller casting pouring
Impeller of pump multi-angle twisted blade precoated sand type.
The present invention uses the spliced impeller blade sand mold of precoated sand sand mold, and impeller blade sand mold is divided into some pieces（First
Blade sand mold, the second blade sand mold, third blade sand mold, quaterfoil sand mold, particular number are designed according to actual use and determined,
Skeleton sand mold is integrated）If the first blade sand mold, the second blade sand mold, third blade sand mold, quaterfoil sand mold are decomposed into
Dry block, each piece is all distinguished open form in a mold, and penetrating sand machine automatically completes following technique：Upper and lower mould closure-inlet is penetrated
Sand-flash baking sand solidified-moves back case pressurize-upper and lower mould and mold-takes out precoated sand blade sand mold-sand mold splicing-leaf
Impeller blade sand mold completes.Finally each blade sand mold is stitched together and completes the making of submersible pump impeller blade sand mold, so
Just do not have to（It is not related to）The process for extracting twisted blade mould, can equally produce submersible pump impeller blade sand using precoated sand
Type.
The present invention is rational in infrastructure, ingenious in design, durable, cost-effective, and it is fast to go out type, indeformable, highly polished, to ring
Border is pollution-free.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the first blade sand mold of the invention.
Fig. 3 is the structural representation of skeleton sand mold of the present invention.
Fig. 4 is the structural representation of round platform under the present invention.
Fig. 5 is the structural representation of the second groove of the invention.
Fig. 6 is the structural representation of the first convex surface of the invention.
Fig. 7 is the structural representation of convex platform of the present invention.
Fig. 8 is the structural representation of lower camber side of the present invention.
Wherein：1st, skeleton sand mold；2nd, the first blade sand mold；3rd, the second blade sand mold；4th, third blade sand mold；5th, the 4th leaf
Piece sand mold；6th, lower round platform；7th, the first groove；8th, the second groove；9th, first hollow out is accommodated；10th, second hollow out is accommodated；11st, the 3rd
Groove；12nd, the 4th groove；13rd, the first negative camber；14th, the 3rd positive camber；15th, screens groove on first；16th, screens groove on second；
17th, screens groove on the 3rd；18th, screens groove on the 4th；19th, the first intrados；20th, the second intrados；21st, the 3rd intrados；22、
4th intrados；23rd, the first dowel；24th, the second dowel；25th, the first convex surface；26th, the second convex surface；27th, upper crossbearer；
28th, the first screens key；29th, side concave curved surface；30th, the first side convex surface；31st, convex platform；32nd, upper screens block；33rd, lower camber side；34、
First outer arc surface.
Embodiment
As shown in figures 1-8, the present invention includes the skeleton sand mold 1 and and impeller blade corresponding with submersible pump impeller inner chamber
Between the corresponding blade sand mold of passage, blade sand mold is inlaid on skeleton sand mold 1, between blade sand mold and/or blade sand
The gap corresponding with impeller blade is provided between type and skeleton sand mold 1.
Further, skeleton sand mold 1 includes the first dowel 23, the second dowel of sped structure of sped structure
24th, the lower round platform 6 that is connected respectively with the first dowel 23 with the lower end of the second dowel 24 and respectively with the first dowel 23 with
The upper crossbearer 27 of the upper end of second dowel 24 connection；First dowel 23 is identical with the structure of the second dowel 24, the first dowel
23rd, the second dowel 24 and upper crossbearer 27 form cut-off and skeleton sand mold 1 are divided into body and right side body on the left of shape identical,
Circumferentially array is set the axial line of left side body and the following round platform 6 of right side body, and blade sand mold is arranged on the first dowel 23, second
Between dowel 24, upper crossbearer 27 and lower round platform 6, blade sand mold at least two.
Further, blade sand mold includes the first blade sand mold 2, the second blade sand mold 3, the leaf of third blade sand mold 4 and the 4th
Piece sand mold 5；
Left side body includes the first groove 7 for being arranged on the lower upper surface of round platform 6 and the second groove 8, is arranged on the left side of crossbearer 27
Screens groove 16 and the first intrados 19 being arranged on the lower madial wall of round platform 6 and on screens groove 15 and second on the first of side
Two intrados 20；
The lower end of first blade sand mold 2 is inlaid in the first groove 7, and it is recessed to be inlaid in second for the lower end of screens groove 16 on second
In groove 8,
The upper end of first blade sand mold 2 is inlaid on first in screens groove 15, and the upper end of screens groove 16 is inlaid on second
Screens groove 16 on second,
First negative camber 13, the first convex surface 25, the upper crossbearer in the left side of the second dowel 24 on the right side of the first dowel 23
First is formed between 27 lower-lefts face, the right-hand member of the first intrados 19 and the second intrados 20 and accommodates hollow out 9,
The left end of the lower end of first negative camber 13 and the first intrados 19 is in smoothing junction, the right-hand member of the first intrados 19 and the
The left end of two intrados 20 is in smoothing junction, and the right-hand member of the second intrados 20 is connected with the lower end of the first convex surface 25；
Include being arranged on the 3rd groove 11 of the lower upper surface of round platform 6 on the body of right side and the 4th groove 12, be arranged on crossbearer
Screens groove 18 and the 3rd intrados 21 being arranged on the lower madial wall of round platform 6 on screens groove 17 and the 4th on the 3rd of 27 right sides
With the 4th intrados 22；
The lower end of third blade sand mold 4 is inlaid in the 3rd groove 11, and it is recessed that the lower end of quaterfoil sand mold 5 is inlaid in the 4th
In groove 12,
The upper end of screens groove 17 is inlaid on the 3rd in screens groove 17 on 3rd, and the upper end of quaterfoil sand mold 5 is inlaid in
On 4th in screens groove 18,
Second convex surface 26, the 3rd positive camber 14, the upper crossbearer on the right side of the second dowel 24 in the left side of the first dowel 23
Second is formed between 27 bottom rights face, the 3rd intrados 21 and the 4th intrados 22 and accommodates hollow out 10,
The lower end of 3rd positive camber 14 and the left end of the 3rd intrados 21 are in smoothing junction, the right-hand member of the 3rd intrados 21 and the
The left end of four intrados 22 is smoothly connected, and the right-hand member of the 4th intrados 22 is connected with the lower end of the second convex surface 26；
First blade sand mold 2, the second blade sand mold 3, third blade sand mold 4 are identical with the structure of quaterfoil sand mold 5, and first
The blade sand mold 3 of blade sand mold 2 and second is successively set in the first receiving hollow out 9, third blade sand mold 4 and quaterfoil sand mold
5 are successively set in the second receiving hollow out 10,
First blade sand mold 2 includes being inlaid in the first screens key 28 in the first groove 7, corresponding with the first negative camber 13
The first side convex surface 30, be inlaid on first in screens groove 15 upper screens block 32, fit down with the first intrados 19
Cambered surface 33, the side concave curved surface 29 corresponding with the second side convex surface of the second blade sand mold 3, upper surface and the upper lower surface of crossbearer 27
Concordant 31 and first outer arc surface 34 of convex platform；
Gap corresponding with diving pump blade is provided between the first negative camber 13 and the first side convex surface 30；Second
Gap corresponding with diving pump blade is provided between the second side convex surface and side concave curved surface 29 of blade sand mold 3；Below gap
Circumferentially array is set the axial line of round platform 6；
The sped structure of first side convex surface 30,29 and first outer arc surface 34 of side concave curved surface composition, the first outer arc
Curved surface 34 is located at the top of the first side convex surface 30 and side concave curved surface 29,
Upper screens block 32 is arranged on the side of convex platform 31, and the upper lower end of screens block 32 is recessed with the first side convex surface 30, side respectively
The connection of the outer upper end of arc surface 34 of curved surface 29 and first, lower camber side 33 respectively with the first side convex surface 30, side concave curved surface 29 and
The first outer lower end of arc surface 34 connection,
First outer arc surface 34, the second outer arc surface of the second blade sand mold 3, third blade sand mold 4 the 3rd outside it is curved
Face, the 3rd outer arc surface of quaterfoil sand mold 5, the outer lateral curvature of the outside curve of the first dowel 23 and the second dowel 24
Face forms the ring seal curved surface corresponding with submersible pump impeller inner chamber.
The method for making above-mentioned precoated sand submersible pump impeller blade sand mold, comprises the following steps；
Step a：Include the making of skeleton sand mold 1；
Step b：Include the making of blade sand mold；
Step c：After execution of step a and step b, splice blade sand mold successively on skeleton sand mold 1.
Further, step a：The model of skeleton sand mold 1 includes the upper model of skeleton sand mold 1 and the drag of skeleton sand mold 1,
The die joint of skeleton sand mold 1 is provided between the drag of upper model and the skeleton sand mold 1 of skeleton sand mold 1；
Matched moulds work step is carried out first, and the drag of the upper model of skeleton sand mold 1 and skeleton sand mold 1 is respectively installed to note sand
On the upper mould erecting bed and lower mould erecting bed of machine, the mobile cylinder of mould erecting bed drives upper model to be displaced downwardly to the conjunction of two models in control
And together；
Then heating work step is carried out, starts sand filler, heating rod is positioned in bottoming hole, preheated simultaneously by heating rod
The upper model of skeleton sand mold 1 and the drag of skeleton sand mold 1, are heated up to 180 DEG C -220 DEG C；
Finally carry out noting sand work step, the note sand mobile cylinder of sand filler drives note sand cylinder to move into place in the load bearing solids of centre
At the model of type 1, the note sand hole of the model of note sand mouth alignment skeleton sand mold 1 on sand cylinder is noted, the cylinder pressurization of note sand, feed bin is by conveying
Pipe, note sand cylinder note sand with noting sand mouth to the model mesohigh of skeleton sand mold 1, and after noting sand, control note sand mobile cylinder drives
Note sand cylinder leaves skeleton sand mold, and note sand mouth is away from note sand hole, and after insulation, upper mould erecting bed mobile cylinder drives upper model to carry
Rise, take out and repair skeleton sand mold 1.
Further, step b：The model of blade sand mold includes the upper model of blade sand mold and the drag of blade sand mold,
The die joint of blade sand mold is provided between the drag of upper model and bone the blade sand mold of blade sand mold；
Matched moulds work step is carried out first, and the drag of the upper model of blade sand mold and blade sand mold is respectively installed to sand filler
Upper mould erecting bed and lower mould erecting bed on, control in the mobile cylinder drive of mould erecting bed go up model and be displaced downwardly to two model combinations
Together；
Then heating work step is carried out, starts sand filler, heating rod is positioned in bottoming hole, preheated simultaneously by heating rod
The upper model of blade sand mold and the drag of blade sand mold, are heated up to 180 DEG C -220 DEG C；
Finally carry out noting sand work step, the note sand mobile cylinder of sand filler drives note sand cylinder to move into place in the blade sand of centre
At pattern type, note the note sand hole of the note sand mouth alignment blade sand mold model on sand cylinder, the cylinder pressurization of note sand, feed bin by delivery pipe,
Note sand cylinder and note sand to the model mesohigh of blade sand mold with noting sand mouth, after noting sand, control note sand mobile cylinder drives note sand
Cylinder leaves skeleton sand mold, and note sand mouth is away from sand hole is noted, and after insulation, upper mould erecting bed mobile cylinder drives upper model lifting,
Take out and repair blade sand mold.
Further, in finally carrying out noting sand work step, note sand cylinder is pressurised into 0.7Mpa-0.76Mpa, notes sand duration 5s, protects
Warm 100s.Improve product quality.
Further, it is attached with releasing agent on the model of the model of blade sand mold and skeleton sand mold 1.It is easy to be stripped.
The present invention uses the spliced impeller blade sand mold of precoated sand sand mold, and impeller blade sand mold is divided into some pieces（First
Blade sand mold 2, the second blade sand mold 3, third blade sand mold 4, quaterfoil sand mold 5, particular number design according to actual use
It is determined that skeleton sand mold 1 is integrated）, by the first blade sand mold 2, the second blade sand mold 3, third blade sand mold 4, quaterfoil sand
Type 5 is decomposed into some pieces, and each piece is all distinguished open form in a mold, and penetrating sand machine automatically completes following technique：Upper and lower mould closes
Conjunction-inlet, which penetrates sand-flash baking sand solidified-and moves back case pressurize-upper and lower mould, mold-takes out precoated sand blade sand mold-sand
Type splicing-impeller blade sand mold completes.Finally each blade sand mold is stitched together and completes submersible pump impeller blade sand mold
Make, do not have to thus（It is not related to）The process for extracting twisted blade mould, equally can produce immersible pump leaf using precoated sand
Impeller blade sand mold.
The present invention is rational in infrastructure, ingenious in design, durable, cost-effective, and it is fast to go out type, indeformable, highly polished, to ring
Border is pollution-free.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or equivalent substitution is carried out to which part technical characteristic；Make
It is obvious that multiple technical schemes of the present invention, which are combined, for those skilled in the art.And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of technical scheme of the embodiment of the present invention.
Claims (1)
- A kind of 1. precoated sand submersible pump impeller blade sand mold, it is characterised in that：Including the bone corresponding with submersible pump impeller inner chamber Frame sand mold (1) and the blade sand mold that passage is corresponding between impeller blade, blade sand mold are inlaid on skeleton sand mold (1), The gap corresponding with impeller blade is provided between blade sand mold and/or between blade sand mold and skeleton sand mold (1)；Skeleton sand mold (1) includes the first dowel (23) of sped structure, the second dowel (24) of sped structure, difference The lower round platform (6) that is connected with the first dowel (23) with the second dowel (24) lower end and respectively with the first dowel (23) with The upper crossbearer (27) of second dowel (24) upper end connection；First dowel (23) is identical with the second dowel (24) structure, the One dowel (23), the second dowel (24) and upper crossbearer (27), which are formed, to be separated and that skeleton sand mold (1) is divided into shape is identical Left side body and right side body, circumferentially array is set the axial line of left side body and the following round platform of right side body (6), and blade sand mold is set Between the first dowel (23), the second dowel (24), upper crossbearer (27) and lower round platform (6), blade sand mold at least two；Blade sand mold includes the first blade sand mold (2), the second blade sand mold (3), third blade sand mold (4) and quaterfoil sand mold (5)；The left side body includes the first groove (7) for being arranged on lower round platform (6) upper surface and the second groove (8), is arranged on horizontal stroke On the left of frame (27) first on screens groove (15) and second screens groove (16) and be arranged on lower round platform (6) madial wall One intrados (19) and the second intrados (20)；The lower end of first blade sand mold (2) is inlaid in the first groove (7), and the lower end of screens groove (16) is inlaid in second on second In groove (8),The upper end of first blade sand mold (2) is inlaid on first in screens groove (15), the upper end setting-in of screens groove (16) on second Screens groove (16) on second,The first convex surface (25) on the left of the first negative camber (13), the second dowel (24) on the right side of first dowel (23), on Crossbearer (27) lower-left face, the first intrados (19) right-hand member and the second intrados (20) between formed first accommodate hollow out (9),The lower end of first negative camber (13) and the left end of the first intrados (19) are in smoothing junction, the right-hand member of the first intrados (19) with The left end of second intrados (20) is in smoothing junction, and the right-hand member of the second intrados (20) is connected with the lower end of the first convex surface (25)；Include being arranged on the 3rd groove (11) of lower round platform (6) upper surface and the 4th groove (12) on the right side body, be arranged on On the right side of upper crossbearer (27) the 3rd on screens groove (18) and be arranged on lower round platform (6) madial wall on screens groove (17) and the 4th The 3rd intrados (21) and the 4th intrados (22)；The lower end of third blade sand mold (4) is inlaid in the 3rd groove (11), and the lower end of quaterfoil sand mold (5) is inlaid in the 4th In groove (12),The upper end of screens groove (17) is inlaid on the 3rd in screens groove (17) on 3rd, the upper end setting-in of quaterfoil sand mold (5) On the 4th in screens groove (18),The 3rd positive camber (14) on the right side of the second convex surface (26), the second dowel (24) on the left of first dowel (23), on Second is formed between crossbearer (27) bottom right face, the 3rd intrados (21) and the 4th intrados (22) and accommodates hollow out (10),The lower end of 3rd positive camber (14) and the left end of the 3rd intrados (21) are in smoothing junction, the right-hand member of the 3rd intrados (21) with The left end of 4th intrados (22) is smoothly connected, and the right-hand member of the 4th intrados (22) is connected with the lower end of the second convex surface (26)；First blade sand mold (2), the second blade sand mold (3), third blade sand mold (4) are identical with quaterfoil sand mold (5) structure, First blade sand mold (2) and the second blade sand mold (3) are successively set in the first receiving hollow out (9), third blade sand mold (4) with Quaterfoil sand mold (5) is successively set in the second receiving hollow out (10),First blade sand mold (2) include being inlaid in the first screens key (28) in the first groove (7), with the first negative camber (13) phase Corresponding first side convex surface (30), the upper screens block (32) being inlaid on first in screens groove (15) and the first intrados (19) lower camber side (33) that fits, the side concave curved surface (29) corresponding with the second side convex surface of the second blade sand mold (3), on The surface convex platform (31) concordant with upper crossbearer (27) lower surface and the first outer arc surface (34)；Gap corresponding with diving pump blade is provided between the first negative camber (13) and the first side convex surface (30)；Second Gap corresponding with diving pump blade is provided between second side convex surface of blade sand mold (3) and side concave curved surface (29)；It is described Circumferentially array is set the axial line of the following round platform in gap (6)；The sped structure of first side convex surface (30), side concave curved surface (29) and the first outer arc surface (34) composition, outside first Arc surface (34) is located at the top of the first side convex surface (30) and side concave curved surface (29),Upper screens block (32) is arranged on convex platform (31) side, upper screens block (32) lower end respectively with the first side convex surface (30), Side concave curved surface (29) and the connection of the first outer arc surface (34) upper end, lower camber side (33) respectively with the first side convex surface (30), side Concave curved surface (29) and the first outer arc surface (34) lower end connection,First outer arc surface (34), the second outer arc surface of the second blade sand mold (3), the 3rd outer arc of third blade sand mold (4) Curved surface, the 3rd outer arc surface of quaterfoil sand mold (5), the outside curve and the second dowel (24) of the first dowel (23) Outside curve form the ring seal curved surface corresponding with submersible pump impeller inner chamber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253648.9A CN105750508B (en) | 2016-04-22 | 2016-04-22 | A kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof |
| CN201711101598.3A CN108015226B (en) | 2016-04-22 | 2016-04-22 | The production method of precoated sand submersible pump impeller blade sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253648.9A CN105750508B (en) | 2016-04-22 | 2016-04-22 | A kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711101598.3A Division CN108015226B (en) | 2016-04-22 | 2016-04-22 | The production method of precoated sand submersible pump impeller blade sand mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105750508A CN105750508A (en) | 2016-07-13 |
| CN105750508B true CN105750508B (en) | 2018-02-16 |
Family
ID=56325524
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253648.9A Active CN105750508B (en) | 2016-04-22 | 2016-04-22 | A kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof |
| CN201711101598.3A Active CN108015226B (en) | 2016-04-22 | 2016-04-22 | The production method of precoated sand submersible pump impeller blade sand mold |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711101598.3A Active CN108015226B (en) | 2016-04-22 | 2016-04-22 | The production method of precoated sand submersible pump impeller blade sand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105750508B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175262A (en) * | 2018-11-16 | 2019-01-11 | 襄阳五二五泵业有限公司 | A kind of production method of combination type blade wheel sand core |
| CN110586874A (en) * | 2019-10-28 | 2019-12-20 | 襄阳五二五泵业有限公司 | Manufacturing method of integral impeller sand core |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5668548A (en) * | 1979-11-06 | 1981-06-09 | Kubota Ltd | Casting method of impeller for axial-flow and oblique- flow pump |
| CN101780525B (en) * | 2010-02-26 | 2012-01-11 | 山西斯普瑞机械制造有限公司 | Process for casting oil distribution disc of vane pump |
| CN102418028B (en) * | 2011-12-12 | 2013-04-24 | 大丰市海纳机械有限公司 | Impeller special for automobile cooling water pump and casting process of impeller |
| JP2013166179A (en) * | 2012-02-17 | 2013-08-29 | Mitsubishi Heavy Ind Ltd | Molding method for sand mold |
| CN203437596U (en) * | 2013-07-15 | 2014-02-19 | 广州广一泵业有限公司 | Laminating sand core and casting mold for forming pump impeller and mold for forming laminating sand core insert |
| JP5646025B2 (en) * | 2013-09-27 | 2014-12-24 | 三菱重工業株式会社 | Turbine blade mold and turbine blade manufacturing method |
| CN103962511B (en) * | 2014-05-13 | 2016-03-02 | 淄博华成泵业有限公司 | A kind of preparation method of Unitary Impeller core |
| CN204449212U (en) * | 2014-12-29 | 2015-07-08 | 天津工程机械研究院 | Fluid torque-converter impeller combination core |
| CN204975220U (en) * | 2015-07-15 | 2016-01-20 | 湖北省天门泵业有限公司 | Open impeller blade shaping core assembly |
| CN204843880U (en) * | 2015-07-24 | 2015-12-09 | 天津强森机械零部件有限公司 | Little blade of high strength tectorial membrane sand |
| CN205128859U (en) * | 2015-11-02 | 2016-04-06 | 永州市冷水滩水泵厂 | Water pump vane psammitolite |
| CN205702333U (en) * | 2016-04-22 | 2016-11-23 | 河北临泉泵业集团有限公司 | A kind of precoated sand submersible pump impeller blade sand mold |
-
2016
- 2016-04-22 CN CN201610253648.9A patent/CN105750508B/en active Active
- 2016-04-22 CN CN201711101598.3A patent/CN108015226B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108015226A (en) | 2018-05-11 |
| CN108015226B (en) | 2019-03-29 |
| CN105750508A (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105750497B (en) | A kind of diving pump blower inlet casing blade precoated sand sand mold with and preparation method thereof | |
| CN101786142B (en) | Cylindrical coordinate parallel casting method of large-size pitch-adjustable propeller blade | |
| CN105750508B (en) | A kind of precoated sand submersible pump impeller blade sand mold and preparation method thereof | |
| CN201880875U (en) | Stripping plate mounting structure for machine molding | |
| CN105268797A (en) | Edge covering mechanism | |
| CN104741526B (en) | Extra-large outer appearance sand mold and production process method | |
| CN107083976A (en) | Vertical is taken a step downstriker entire metal model board without suspention segmentation | |
| CN201880860U (en) | Precoated sand shell modeling mold | |
| CN106180577A (en) | Double eddy current seamless group technologies of volute core | |
| CN205702333U (en) | A kind of precoated sand submersible pump impeller blade sand mold | |
| CN105345925B (en) | A kind of cement adjustment barrel mould | |
| CN205702315U (en) | A kind of diving pump blower inlet casing blade precoated sand sand mold | |
| CN206286541U (en) | A kind of large-scale evaporative pattern turnover machine | |
| CN204565050U (en) | A kind of super large external form sand mold | |
| CN203905326U (en) | Construction form for construction of roof exhaust pipe piers | |
| CN205201784U (en) | Tube formwork utensil is adjusted to cement | |
| CN204052516U (en) | A kind of edge covering mechanism | |
| CN205702335U (en) | A kind of auxiliary mould for diving pump blower inlet casing blade precoated sand sand mold | |
| CN106001411A (en) | Cold core box die of hand-operated oil pump rotor | |
| CN206465236U (en) | A kind of internal model opening-closing locking device | |
| CN206972260U (en) | A kind of vertical is taken a step downstriker entire metal model board without suspention segmentation | |
| CN102430716A (en) | Sand core manufacturing process for main body of valve body of multi-path valve | |
| CN206416429U (en) | A kind of injection mold | |
| CN205851785U (en) | A kind of cold box die of hand oil pump rotor | |
| CN203726621U (en) | Manufacturing equipment of cyclone unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |