CN209303655U - A kind of large pump guide vane casting group core tooling - Google Patents
A kind of large pump guide vane casting group core tooling Download PDFInfo
- Publication number
- CN209303655U CN209303655U CN201821821219.8U CN201821821219U CN209303655U CN 209303655 U CN209303655 U CN 209303655U CN 201821821219 U CN201821821219 U CN 201821821219U CN 209303655 U CN209303655 U CN 209303655U
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- mould
- spindle nose
- bottom plate
- back shroud
- guide vane
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Abstract
The utility model relates to a kind of large pump guide vanes to cast with group core tooling.Its structure back shroud mould is embedded on bottom plate, the center of circle that spindle nose mould passes through back shroud mould is fixed on bottom plate, rotary shaft is fixed on the center of spindle nose mould, vertical template is fixed on bottom plate and parallel with rotary shaft, and perpendicular to bottom plate, front shroud template is horizontally set between rotary shaft and vertical template, and spindle nose mould, back shroud mould scribe spindle nose angle reference line, back shroud angle reference line, outer circle reference line on bottom plate respectively.The utility model structure is simple, and the group core suitable for different type, different size large size guide vane operates.Easy to operate, accurate positioning is high-efficient, and installation and removal are convenient, and versatility is good, can greatly improve a group precision for core process.
Description
Technical field
The utility model relates to a kind of guide vane of water pump to cast tooling, more particularly, to the big of guide vane diameter 1500-2500mm
Sand core group core tooling in type guide vane of water pump casting process.
Background technique
Difficult using integral sand core in large pump guide vane casting process, there are following difficult points during coremaking:
(1) blade plays type difficulty, plays sand core easy to damage during type.
(2) the wooden model size that integral sand core needs is bigger than normal, is unfavorable for taking care of.
(3) self-hardening sand sand core is easily-deformable in hardening process, damage, it is also necessary to additional to prepare stooling mould.
(4) integral sand core needs disposable rramming molding, for cannot once complete mulling operation, needs multiple mulling, is spaced
Time is long, and sand core is easily layered, and influences the intensity of sand core.
(5), relative to integral sand core, organizing core type sand core has many advantages, such as: being convenient for type, core box moderate dimensions, stooling mould
Simply, the advantages that monolithic sand core sand using amount is small, is conducive to workshop scheduled production.
(6) integral sand core moulding, blade need to influence the waterpower portion size of guide vane there are certain pattern draft, in turn
Influence the hydraulic performance of guide vane.
Therefore the process for generalling use a group core mode in casting process, but organizing core is the difficult point of such technique, if cannot
The precision of sand core after guarantee group core, will affect the accuracy of guide vane waterpower part, causes irretrievable loss.
Utility model content
The utility model is directed to above-mentioned problems of the prior art, provides a kind of guide vane of water pump casting group core
Special tooling solves the problems, such as to be difficult to ensure precision during group core, and the utility model patent is easy to operate, low cost
It is honest and clean, fully meet existing technical requirements.
The technical solution of the utility model patent is as follows:
Large pump guide vane casting group core tooling, including bottom plate, back shroud mould, spindle nose mould, rotary shaft, front shroud
Template and vertical template, back shroud mould are embedded on bottom plate, and the center of circle that spindle nose mould passes through back shroud mould is fixed on bottom plate
On, rotary shaft is fixed on the center of spindle nose mould, vertical template be fixed on it is on bottom plate and parallel with rotary shaft, and the bottom of perpendicular to
Plate, front shroud template are horizontally set between rotary shaft and vertical template, and spindle nose mould, back shroud mould are carved respectively on bottom plate
Spindle nose angle reference line processed, back shroud angle reference line, outer circle reference line.
The lower section of the bottom plate is equipped with reinforcing crossmember.
The mode that the back shroud mould, spindle nose mould are all made of seam allowance with bottom plate positions.
The rotary shaft is positioned by the way of deep hole with spindle nose mould.
The rotary shaft, front shroud template, vertical template are mounted on spindle nose mould by axis hole positioning method, and led to
Cross gusset reinforcing.
The outer circle reference line, back shroud angle reference line, spindle nose angle reference line gauge lattice are width 1mm, deep 2mm.
The size of the outer circle reference line and sand core head matches.
The back shroud reference line, spindle nose reference line are equal separated times corresponding with sand core head.
The back shroud mould size is consistent with size at casting back shroud；The front shroud size of sample and casting
Front cover board size is consistent.
The vertical template circumferencial direction is corresponding with sand core excircle dimension, and the bottom of vertical template is provided with support
Plate.
Advantages of the present invention effect is as follows:
1, reference line corresponding with sand core size, mould, template are provided on bottom plate, group core is in the process according to above-mentioned
Benchmark carries out the positioning of sand mold, ensure that the precision of group core.
2, this tool structure is simple, and assembling is simple, is corrected after assembling using simple measuring tool.
3, using easily measurement method is positioned at, but it is able to satisfy the required precision of group core.
4, cheap, it is versatile.Each section of this tooling can be customized by the guide vane of different model, be replaced.
5, under the premise of the precision of guarantee group core, the speed of quickening group core is raised labour productivity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1, crossbeam, 2, bottom plate, 3, back shroud mould, 4, spindle nose mould, 5, rotary shaft, 6, front shroud template, 7, hang down
Straight template, 8, outer circle reference line, 9, back shroud reference line, 10, spindle nose angle reference line, 11, sand core.
Specific embodiment
Referring to the drawings, in conjunction with specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, large pump guide vane casting group core tooling, including crossbeam 1, bottom plate 2, back shroud mould 3, spindle nose
Mould 4, rotary shaft 5, front shroud template 6, vertical template 7, outer circle reference line 8, back shroud angle reference line 9, spindle nose angle base
The lower section of directrix 10, the bottom plate 2 is equipped with reinforcing crossmember 1.Back shroud mould 3 is inlayed on a base plate 2, and spindle nose mould 4 passes through
The center of circle of back shroud mould is fixed on a base plate 2, and the back shroud mould 3, spindle nose mould 4 and bottom plate 2 are all made of seam allowance
Mode positions.Rotary shaft 5 is fixed on the center of spindle nose mould 4, and the rotary shaft 5 and spindle nose mould 4 are by the way of deep hole
Positioning.Vertical template 7, bottom plate 1 are fixedly connected with 5 three of rotary shaft, vertical template be fixed on it is on bottom plate and parallel with rotary shaft,
And perpendicular to bottom plate, front shroud template 6 is horizontally set between rotary shaft 5 and vertical template 7, the rotary shaft 5, front shroud
Template 6, vertical template 7 are mounted on spindle nose mould 4 by axis hole positioning method, and are reinforced by gusset.
Spindle nose mould 4, back shroud mould 3 scribe spindle nose angle reference line 10, back shroud angle reference on bottom plate 2 respectively
Line 9, outer circle reference line 8, the outer circle reference line, back shroud angle reference line, spindle nose angle reference line gauge lattice are width 1mm,
Deep 2mm.
The size of the outer circle reference line and 11 core print of sand core matches；The back shroud reference line, spindle nose benchmark
Line is equal separated time corresponding with sand core head.
The back shroud mould size is consistent with size at casting back shroud；The front shroud size of sample and casting
Front cover board size is consistent.
The vertical template circumferencial direction is corresponding with sand core excircle dimension, and the bottom of vertical template is provided with support
Plate.
The course of work of the utility model is as follows:
Step 1: bottom plate is lifted to group core place using overhead traveling crane.
Step 2: back shroud mould, rotary shaft, front shroud template are combined on bottom plate by positioning device.
Step 3: sand core is hoisted on bottom plate, sand core head is made while meeting outer circle reference line, back shroud angle reference
The positioning requirements of line, spindle nose angle reference line, and leaned on sternly at sand core back shroud with back shroud mould.
Step 4: rotation rotary shaft, checks whether front shroud template and sand core front cover plate face lean on sternly, sand core head outer circle is
It is no to be leaned on sternly with vertical template.
Step 5: remaining sand core of handling carries out a group core.
Step 6: rotation rotary shaft, reaffirms front shroud template, vertical template and sand core contact situation, if gap mistake
Greatly, to meeting the requirements, group core work terminates for fine tuning.
The utility model is mainly used for being particularly suitable for the large pump guide vane of guide vane diameter 1500-2500mm, and
It is also applicable for small guide blade by making matched template and mould.The above is specific embodiment of the utility model
And the technical principle used, any equivalence changes based on the basis of the utility model belong to the utility model
Within protection scope.
Claims (10)
1. large pump guide vane casting group core tooling, it is characterised in that including bottom plate, back shroud mould, spindle nose mould, rotation
Axis, front shroud template and vertical template, back shroud mould are embedded on bottom plate, and the center of circle that spindle nose mould passes through back shroud mould is solid
It is scheduled on bottom plate, rotary shaft is fixed on the center of spindle nose mould, and vertical template is fixed on bottom plate and parallel with rotary shaft, and hangs down
Directly in bottom plate, front shroud template is horizontally set between rotary shaft and vertical template, spindle nose mould, back shroud mould, on bottom plate
Spindle nose angle reference line, back shroud angle reference line, outer circle reference line are scribed respectively.
2. large pump guide vane casting group core tooling according to claim 1, it is characterised in that under the bottom plate
Side is equipped with reinforcing crossmember.
3. large pump guide vane casting group core tooling according to claim 1, it is characterised in that the back shroud tire
The mode that tool, spindle nose mould are all made of seam allowance with bottom plate positions.
4. a large pump guide vane according to claim 1 casting group core tooling, it is characterised in that the rotary shaft with
Spindle nose mould is positioned by the way of deep hole.
5. a large pump guide vane according to claim 1 casting group core tooling, it is characterised in that the rotary shaft, preceding
Cover board template, vertical template are mounted on spindle nose mould by axis hole positioning method, and are reinforced by gusset.
6. large pump guide vane casting group core tooling according to claim 1, it is characterised in that the outer circle benchmark
Line, back shroud angle reference line, spindle nose angle reference line gauge lattice are width 1mm, deep 2mm.
7. large pump guide vane casting group core tooling according to claim 1, it is characterised in that the outer circle benchmark
The size of line and sand core head matches.
8. large pump guide vane casting group core tooling according to claim 1, it is characterised in that the rear cover plate angle
Spend reference line, spindle nose angle reference line is equal separated time corresponding with sand core head.
9. large pump guide vane casting group core tooling according to claim 1, it is characterised in that the back shroud tire
It is consistent with size at casting back shroud to have size；The front shroud size of sample is consistent with casting front cover board size.
10. large pump guide vane casting group core tooling according to claim 1, it is characterised in that the vertical template
Circumferencial direction is corresponding with sand core excircle dimension, and the bottom of vertical template is provided with support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821219.8U CN209303655U (en) | 2018-11-07 | 2018-11-07 | A kind of large pump guide vane casting group core tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821219.8U CN209303655U (en) | 2018-11-07 | 2018-11-07 | A kind of large pump guide vane casting group core tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209303655U true CN209303655U (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821821219.8U Active CN209303655U (en) | 2018-11-07 | 2018-11-07 | A kind of large pump guide vane casting group core tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209303655U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351831A (en) * | 2021-05-06 | 2021-09-07 | 艾欣 | High-precision and integrated water pump impeller sand core |
| CN113634714A (en) * | 2021-08-13 | 2021-11-12 | 大连金河铸造有限公司 | Casting and forming process for castings |
| CN116765330A (en) * | 2023-08-15 | 2023-09-19 | 无锡锡南科技股份有限公司 | Sand core combined installation device and method |
| CN116851651A (en) * | 2023-08-15 | 2023-10-10 | 无锡锡南科技股份有限公司 | Motor casing combined type air passage core and core manufacturing method |
-
2018
- 2018-11-07 CN CN201821821219.8U patent/CN209303655U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351831A (en) * | 2021-05-06 | 2021-09-07 | 艾欣 | High-precision and integrated water pump impeller sand core |
| CN113634714A (en) * | 2021-08-13 | 2021-11-12 | 大连金河铸造有限公司 | Casting and forming process for castings |
| CN116765330A (en) * | 2023-08-15 | 2023-09-19 | 无锡锡南科技股份有限公司 | Sand core combined installation device and method |
| CN116851651A (en) * | 2023-08-15 | 2023-10-10 | 无锡锡南科技股份有限公司 | Motor casing combined type air passage core and core manufacturing method |
| CN116765330B (en) * | 2023-08-15 | 2023-10-31 | 无锡锡南科技股份有限公司 | Sand core combined installation device and method |
| CN116851651B (en) * | 2023-08-15 | 2024-02-23 | 无锡锡南科技股份有限公司 | Motor casing combined type air passage core and core manufacturing method |
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