CN205650776U - Pump shell the gating system - Google Patents
Pump shell the gating system Download PDFInfo
- Publication number
- CN205650776U CN205650776U CN201620439946.2U CN201620439946U CN205650776U CN 205650776 U CN205650776 U CN 205650776U CN 201620439946 U CN201620439946 U CN 201620439946U CN 205650776 U CN205650776 U CN 205650776U
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- CN
- China
- Prior art keywords
- core
- groove
- step groove
- pump housing
- psammitolite
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- 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.)
- Withdrawn - After Issue
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a pump shell the gating system, its innovation point lies in: the system is a components of a whole that can function independently core assembly structure, including first psammitolite, second psammitolite, third psammitolite and fourth psammitolite, connect the fixed mechanism of psammitolite group that forms through unsmooth constant head tank between the psammitolite, to large -scale pump shell foundry goods because the foundry goods wall is thin and the appearance be circular, its annular stability among the pump shell casting process be convenient for that distributes is selected to the psammitolite under the even circumstances of the volume of eating sand of assurance and sand box distribution of temperature, and local structure adopts the casting more difficult, selects four psammitolites to cast pump shell and be convenient for be difficult to the as cast place later stage and carry out the machine tooling.
Description
Technical field
This utility model relates to a kind of cast casting field, particularly relates to a kind of pump housing shell running gate system.
Background technology
In the casting of some pump housing shells, during the biggest pump housing shell, the technology to the pump housing requires higher, in the casting of this pump housing shell, the linear plate of ACE is: 800mm*600mm, actual can be used as 780mm*580mm, maximum length and width 505mm*431.9mm of this pump housing shell, in addition it is thin-wall part, arrangement to running gate system is the most fastidious, on the premise of ensureing mold thickness and sandbox uniformity of temperature profile, it is circular because of this part outward appearance again, running gate system selects annular spread, consideration to water inlet needs rationally, the selection of rising head is specifically contemplated that foundry goods is thin-walled, there is the situation of thermal center local, rising head is selected to carry out feeding.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of pump housing shell running gate system, it is possible to meet the stability in the appearance requirement of this mammoth pump body case and casting process, it is simple to the simple machining of later stage operation.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of pump housing shell running gate system, its innovative point is: described pump housing shell running gate system is split core assembly structure, including the first core, the second core, the 3rd core and the 4th core；It is attached fixing forming core group mechanism by concavo-convex locating slot between core；
Described first core is a disk core and a pumping hole core composition, first core constitutes inner chamber and the pump housing mouth of the maximum outside diameter of pump housing shell foundry goods, the upper surface of disk core is provided with step groove a, being provided with draw-in groove a in the circumference profile of disk core, pumping hole core and disk core connect into an entirety；
Described second core is the cylinder core of a cylindrical tube shape, the center of this tubular column core is cylindrical hole, a bayonet socket is had on cylindrical hole, rounded corner is used between lower surface and the vertical lateral surface of the second core, it is provided with step groove b between lower surface and the vertical medial surface of the second core, being provided with step groove c between upper surface and the vertical medial surface of the second core, the joint face between upper surface and step groove c is arcwall face；Second core is placed in the top of the first core, and the center line axis of the central axis of the second core and the disk core of the first core is positioned on same axis；
Described 3rd core is an annulus core, a circle draw-in groove b is had on the inner peripheral surface of this annulus core, 3rd core and the first core coordinate and are placed in the lateral surface of the first core, and the draw-in groove b of the 3rd core and the draw-in groove a phase of the first core are agreed with the first core is fixed location；
Described 4th core is round table-like core, the side of this round table-like core is concave curved surface, the bottom part of the side of the 4th core is provided with step groove d, the bottom surface of the 4th core is provided with step groove e, 4th core is placed in step groove a of the first core, bottom surface step groove e of the 4th core and the step groove a phase of the first core are agreed with and are fixed on the positioning the 4th core, and bottom, side step groove d of the 4th core and the step groove b phase of the second core are agreed with and be fixed on the positioning the second core.
Further, the pumping hole core of described first core is placed in the top of disk core circumference side draw-in groove a, prevents the draw-in groove b of the 3rd core from producing with pumping hole core when the draw-in groove a phase with the first core is agreed with and interferes.
Further, the concave curved surface of described 4th core has a pair locating slot about central axis symmetry.
The utility model has the advantage of: for large-scale pump housing shell foundry goods owing to foundry goods wall is thin and profile is circle, in the case of ensureing mold thickness and sandbox uniformity of temperature profile, core selects the stability that its annular spread is easy in pump housing shell casting process, the structure of local area uses casting relatively difficult, selects four cores that pump housing shell casts the local later stage being easy to be difficult to cast and is machined out.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the front view of pump housing shell.
Fig. 2 is the side view of pump housing shell.
Fig. 3 is the assembling figure of pump housing shell running gate system.
Fig. 4 is the front view of the first core.
Fig. 5 is the front view of the second core.
Fig. 6 is the front view of the 3rd core.
Fig. 7 is the front view of the 4th core.
As shown in Figures 1 to 7: 1, the first core；11, disk core；12, pumping hole core；2, the second core；3, the 3rd core；4, the 4th core；5, step groove；6, draw-in groove；7, locating slot；8, pump housing shell.
Detailed description of the invention
The following examples can make professional and technical personnel that this utility model is more fully understood, but is the most therefore limited among described scope of embodiments by this utility model.
A kind of pump housing shell running gate system as shown in Figures 1 to 7, described pump housing shell running gate system is split core assembly structure, including the first core the 1, second core the 2, the 3rd core 3 and the 4th core 4；It is attached fixing forming core group mechanism by concavo-convex locating slot 7 between core.
First core 1 is a disk core 11 and pumping hole core 12 composition, first core 1 constitutes inner chamber and the pump housing mouth of the maximum outside diameter of pump housing shell foundry goods, the upper surface of disk core 11 is provided with step groove 5a, being provided with draw-in groove 6a in the circumference profile of disk core 11, pumping hole core 12 and disk core 11 connect into an entirety.
Second core 2 is the cylinder core of a cylindrical tube shape, the center of this tubular column core is cylindrical hole, a bayonet socket is had on cylindrical hole, rounded corner is used between lower surface and the vertical lateral surface of the second core 2, it is provided with step groove 5b between lower surface and the vertical medial surface of the second core 2, being provided with step groove 5c between upper surface and the vertical medial surface of the second core 2, the joint face between upper surface and step groove 5c is arcwall face；Second core 2 is placed in the top of the first core 1, and the center line axis of the central axis of the second core 2 and the disk core 11 of the first core 1 is positioned on same axis.
3rd core 3 is an annulus core, a circle draw-in groove 6b is had on the inner peripheral surface of this annulus core, 3rd core 3 coordinates with the first core 1 and is placed in the lateral surface of the first core 1, and the draw-in groove 6b of the 3rd core 3 and the draw-in groove 6a phase of the first core 1 are agreed with the first core 1 is fixed location.
4th core 4 is round table-like core, the side of this round table-like core is concave curved surface, the bottom part of the side of the 4th core 4 is provided with step groove 5d, the bottom surface of the 4th core 4 is provided with step groove 5e, 4th core 5 is placed in step groove 5a of the first core 1, bottom surface step groove 5e of the 4th core 4 and the step groove 5a phase of the first core 1 are agreed with and are fixed on the positioning the 4th core 4, and bottom, side step groove 5d of the 4th core 4 and the step groove 5b phase of the second core 2 are agreed with and be fixed on the positioning the second core 2.
The pumping hole core 12 of the first core 1 is placed in the top of disk core 11 circumference side draw-in groove 6a, prevents the draw-in groove 6b of the 3rd core 3 from producing with pumping hole core 12 when the draw-in groove 6a phase with the first core 1 is agreed with and interferes.
A pair locating slot 7 about central axis symmetry is had on the concave curved surface of the 4th core 4.
The operation principle of this pump housing shell running gate system is: be placed in sandbox by the 3rd core 3, place into the first core 1 to agree with the 3rd core 3 and position, it is then placed in the 4th core 4 and the first core 1 carries out agreeing with location, finally put into the second core 2 and carry out agreeing with location with the first core 1 and the 4th core 4 respectively.
Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (3)
1. a pump housing shell running gate system, it is characterised in that: described pump housing shell running gate system is split core assembly structure, including the first core, the second core, the 3rd core and the 4th core；It is attached fixing forming core group mechanism by concavo-convex locating slot between core；
Described first core is a disk core and a pumping hole core composition, first core constitutes inner chamber and the pump housing mouth of the maximum outside diameter of pump housing shell foundry goods, the upper surface of disk core is provided with step groove a, being provided with draw-in groove a in the circumference profile of disk core, pumping hole core and disk core connect into an entirety；
Described second core is the cylinder core of a cylindrical tube shape, the center of this tubular column core is cylindrical hole, a bayonet socket is had on cylindrical hole, rounded corner is used between lower surface and the vertical lateral surface of the second core, it is provided with step groove b between lower surface and the vertical medial surface of the second core, being provided with step groove c between upper surface and the vertical medial surface of the second core, the joint face between upper surface and step groove c is arcwall face；Second core is placed in the top of the first core, and the center line axis of the central axis of the second core and the disk core of the first core is positioned on same axis；
Described 3rd core is an annulus core, a circle draw-in groove b is had on the inner peripheral surface of this annulus core, 3rd core and the first core coordinate and are placed in the lateral surface of the first core, and the draw-in groove b of the 3rd core and the draw-in groove a phase of the first core are agreed with the first core is fixed location；
Described 4th core is round table-like core, the side of this round table-like core is concave curved surface, the bottom part of the side of the 4th core is provided with step groove d, the bottom surface of the 4th core is provided with step groove e, 4th core is placed in step groove a of the first core, bottom surface step groove e of the 4th core and the step groove a phase of the first core are agreed with and are fixed on the positioning the 4th core, and bottom, side step groove d of the 4th core and the step groove b phase of the second core are agreed with and be fixed on the positioning the second core.
A kind of pump housing shell running gate system the most according to claim 1, it is characterised in that: the pumping hole core of described first core is placed in the top of disk core circumference side draw-in groove a.
A kind of pump housing shell running gate system the most according to claim 1, it is characterised in that: have a pair locating slot about central axis symmetry on the concave curved surface of described 4th core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620439946.2U CN205650776U (en) | 2016-05-16 | 2016-05-16 | Pump shell the gating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620439946.2U CN205650776U (en) | 2016-05-16 | 2016-05-16 | Pump shell the gating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205650776U true CN205650776U (en) | 2016-10-19 |
Family
ID=57403756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620439946.2U Withdrawn - After Issue CN205650776U (en) | 2016-05-16 | 2016-05-16 | Pump shell the gating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205650776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750506A (en) * | 2016-05-16 | 2016-07-13 | 江苏力源金河铸造有限公司 | Pump body shell casting system |
| CN110877095A (en) * | 2019-09-06 | 2020-03-13 | 江苏力源金河铸造有限公司 | Machining process of engineering machinery end cover casting |
-
2016
- 2016-05-16 CN CN201620439946.2U patent/CN205650776U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750506A (en) * | 2016-05-16 | 2016-07-13 | 江苏力源金河铸造有限公司 | Pump body shell casting system |
| CN105750506B (en) * | 2016-05-16 | 2018-02-23 | 江苏力源金河铸造有限公司 | A kind of pump housing shell running gate system |
| CN110877095A (en) * | 2019-09-06 | 2020-03-13 | 江苏力源金河铸造有限公司 | Machining process of engineering machinery end cover casting |
| CN110877095B (en) * | 2019-09-06 | 2024-03-26 | 江苏力源金河铸造有限公司 | Processing technology of engineering machinery end cover casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161019 Effective date of abandoning: 20180223 |