CN213856955U - Wind power hub pouring system - Google Patents
Wind power hub pouring system Download PDFInfo
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- CN213856955U CN213856955U CN202022766217.7U CN202022766217U CN213856955U CN 213856955 U CN213856955 U CN 213856955U CN 202022766217 U CN202022766217 U CN 202022766217U CN 213856955 U CN213856955 U CN 213856955U
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Abstract
The utility model discloses a wind power wheel hub pouring system, which comprises an upper sand box, a lower sand box and sand cores, wherein the upper sand box and the lower sand box are respectively provided with a cavity, the sand cores are arranged in the cavities, and a wind power wheel hub forming cavity is formed between the sand cores and the cavities; a sprue gate and an air outlet are arranged on the cope flask, a sprue communicated with the sprue gate is arranged in the cope flask, an inner runner is arranged in the drag flask, a filter is arranged in the lower flask at the parting surface, and the filter is arranged between the sprue gate and the inner runner and respectively connected with the sprue gate and the inner runner; a pouring transition area is arranged between the inner pouring gate and the wind power hub forming cavity, and the inner pouring gate is communicated with the wind power hub forming cavity through the pouring transition area. Set up the pouring transition district between ingate and wind-powered electricity generation wheel hub shaping cavity, can guarantee that the metal liquid can flow into wind-powered electricity generation wheel hub shaping die cavity evenly, steadily in the pouring process, the metal liquid reduces the impact of casting moulding time die cavity, psammitolite, guarantees wind-powered electricity generation wheel hub shaping quality.
Description
Technical Field
The utility model relates to a casting technical field, in particular to wind-powered electricity generation wheel hub the gating system.
Background
The casting is a method of pouring molten metal into a casting cavity adapted to the shape of a part, and obtaining the part or a blank after the molten metal is cooled and solidified. Common defects in castings are slag holes, air holes, sand holes, cold shut and the like. The filter is often adopted in the casting production to filter and purify the molten metal so as to effectively filter and remove slag in the molten metal, simplify a pouring system, prevent the defect of slag holes, improve the mechanical property of the casting and reduce the machining allowance of the casting.
The hub is one of main wind power parts, the product size is large (2680mm multiplied by 2321mm multiplied by 2285mm), the machining surfaces are multiple, the size correlation is complex, and the size control in the casting process is difficult. Wind power hubs are important parts in wind power equipment, have high requirements on the quality of castings, and have strict regulations on casting defects and appearance quality. Because the wheel hub structure is more complicated, the existing wind power wheel hub has the problems that the sand cores are more in quantity in the pouring process, the sand cores are easy to move in the mould closing process, the size precision of a casting is influenced by the fact that the casting is fed with slag and the like, the pouring time is long, and the forming quality and the forming efficiency of the casting are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the above-mentioned technical problem who exists in wind-powered electricity generation wheel hub pouring process, provide a wind-powered electricity generation wheel hub gating system.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
the wind power hub pouring system comprises a cope flask, a drag flask and a sand core, wherein cavities are respectively arranged in the cope flask and the drag flask, the sand core is arranged in the cavity, and a wind power hub forming cavity is formed between the sand core and the cavity;
the upper sand box is provided with a pouring port and an air outlet, a sprue communicated with the pouring port is arranged in the upper sand box, an inner sprue is arranged in the lower sand box, a filter is arranged in the lower sand box at a parting surface, and the filter is arranged between the sprue and the inner sprue and is respectively connected with the sprue and the inner sprue;
a pouring transition area is arranged between the inner pouring gate and the wind power hub forming cavity, and the inner pouring gate is communicated with the wind power hub forming cavity through the pouring transition area.
In the technical scheme, the sand core comprises a main sand core and three side sand cores, wherein the side sand cores are respectively arranged on the side surfaces of the main sand core, and the side sand cores are respectively and fixedly connected with the main sand core.
In the above technical scheme, further, the pouring transition region includes a flash runner and a pouring buffer cavity, the flash runner is connected with the ingate, the pouring buffer cavity is arranged on the main sand core, and the pouring buffer cavity is located above the ingate outlet.
In the technical scheme, furthermore, a slag accumulation groove is arranged in the pouring buffer cavity, is of an annular structure and is arranged along the circumferential direction of the pouring buffer cavity.
In the above technical solution, further, the cross section of the slag accumulation groove is trapezoidal.
In the above technical scheme, further, the one end in the wind power hub forming cavity, which is used for forming the main flange face of the wind power hub, is located at the lower part of the wind power hub forming cavity.
In the above technical solution, further, the upper part and the lower part of the filter are respectively of a square frustum structure, the upper part of the filter is of an inverted trapezoidal section, the lower part of the filter is of a trapezoidal section, and the width of the lower end face of the upper part of the filter is greater than the width of the upper end face of the lower part of the filter.
The utility model discloses the beneficial effect who has:
1) through setting up the structure of watering among the gating system, set up the pouring transition region between ingate and wind-powered electricity generation wheel hub shaping cavity including, can guarantee that the metal liquid can flow into wind-powered electricity generation wheel hub shaping cavity evenly, steadily in the pouring process, the metal liquid guarantees wind-powered electricity generation wheel hub shaping quality to the impact of die cavity, psammitolite when reducing the casting moulding.
2) The utility model discloses well psammitolite adopts whole modular structure, makes things convenient for the setting of psammitolite in the die cavity, can avoid the psammitolite to take place to remove when the mould assembling to improve wind-powered electricity generation wheel hub's shaping quality.
3) The utility model discloses wind-powered electricity generation wheel hub becomes the structure setting in wind-powered electricity generation wheel hub one-tenth die cavity and sets up in the lower part, under the circumstances of guaranteeing shaping quality, can cancel the setting of heat preservation rising head in the gating system to make the gating system's structure simpler.
Drawings
FIG. 1 is the utility model discloses wind-powered electricity generation wheel hub the gating system structure schematic diagram.
Fig. 2 is the utility model discloses well psammitolite structure top view.
In the figure: 100. a cope flask 200 and a drag flask;
300. a sand core 301, a main sand core 302, a side sand core;
400. a pouring gate 500, an air outlet 600, a straight pouring gate 700 and an inner pouring gate;
800. pouring a transition area, 801, a flash pouring gate, 802, a pouring buffer cavity, 803 and a slag accumulation groove;
900. a filter 901, a filter upper part, 902, a filter lower part;
01. wind-powered electricity generation wheel hub, 011, wind-powered electricity generation wheel hub main flange face.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the wind turbine hub pouring system in this embodiment includes a cope flask 100, a drag flask 200, and a sand core 300, wherein cavities are respectively disposed in the cope flask 100 and the drag flask 200, the sand core 300 is disposed in the cavity, and a wind turbine hub molding cavity for wind turbine hub pouring molding is formed between the sand core 300 and the cavity.
The pouring gate 400 and the air outlet 500 are arranged on the cope flask 100, the sprue 600 communicated with the pouring gate is arranged in the cope flask 100, the ingate 700 is arranged in the drag flask 200, the filter 900 is arranged in the parting surface of the drag flask 200, and the filter 900 is arranged between the sprue 600 and the ingate 700 and respectively connected with the sprue 600 and the ingate 700.
A pouring transition area 800 is arranged between the ingate 700 and the wind power hub forming cavity, and the ingate 700 is communicated with the wind power hub forming cavity through the pouring transition area 800.
One end of the wind power hub forming cavity in the wind power hub pouring system for forming the main flange surface 011 of the wind power hub is located at the lower part of the wind power hub forming cavity. The main flange face of the wind power hub is arranged on the lower portion in the structural arrangement of the wind power hub forming cavity, and the arrangement of a heat-insulating riser in a pouring system can be eliminated under the condition that the forming quality is guaranteed, so that the structure of the pouring system is simpler.
As shown in fig. 2, the sand core 300 in this embodiment includes a main sand core 301 and three side sand cores 302, the side sand cores 302 are respectively disposed on the side surfaces of the main sand core 301, and the side sand cores 302 are respectively and fixedly connected with the main sand core, so that the sand cores are of an integral structure, the arrangement of the sand cores in a cavity of a casting system is facilitated, and the molding quality of the wind power hub is ensured.
As shown in fig. 1, the pouring transition zone 800 comprises a flash runner 801 and a pouring buffer chamber 802, the flash runner 801 being connected with the ingate 700, the pouring buffer chamber 802 being provided on the main sand core 301, the pouring buffer chamber being located above the ingate outlet.
A slag accumulation groove 803 is arranged in the pouring buffer cavity 800, and the slag accumulation groove 803 is of an annular structure and is arranged along the circumferential direction of the pouring buffer cavity. The slag accumulation groove 803 is preferably trapezoidal in cross section. The poured molten metal enters the pouring buffer cavity through the ingate, and oxidation slag in the molten metal is treated through the slag accumulation groove, so that the forming quality of the wind power hub is further ensured.
As shown in fig. 1, the filter upper portion 901 and the filter lower portion 902 in this embodiment are respectively of a square frustum structure, the filter upper portion 901 has an inverted trapezoidal cross section, the filter lower portion 902 has a trapezoidal cross section, and the width of the lower end surface of the filter upper portion 901 is greater than the width of the upper end surface of the filter lower portion 902. Through setting up the filter and filtering the molten metal that enters into in the ingate, can provide effectual buffer space to the molten metal fluid, prevent the production of vortex, turbulent flow to effectively avoid the production of defects such as loose, shrinkage cavity in the foundry goods, further improved foundry goods shaping quality. A transition step structure is formed between the upper part of the filter and the lower part of the filter, and the filter screen can be conveniently arranged in the filter while the inside of the secondary filter forms buffering.
The present invention is not limited to the above description and drawings, but should be understood as being illustrative and not restrictive, and the technical features can be replaced and modified without creative efforts by those skilled in the art according to the technical content disclosed, all falling within the scope of the present invention.
Claims (7)
1. The wind power hub pouring system is characterized by comprising an upper sand box, a lower sand box and a sand core, wherein cavities are respectively arranged in the upper sand box and the lower sand box, the sand core is arranged in the cavities, and a wind power hub forming cavity is formed between the sand core and the cavities;
the upper sand box is provided with a pouring port and an air outlet, a sprue communicated with the pouring port is arranged in the upper sand box, an inner sprue is arranged in the lower sand box, a filter is arranged in the lower sand box at a parting surface, and the filter is arranged between the sprue and the inner sprue and is respectively connected with the sprue and the inner sprue;
a pouring transition area is arranged between the inner pouring gate and the wind power hub forming cavity, and the inner pouring gate is communicated with the wind power hub forming cavity through the pouring transition area.
2. The wind power hub pouring system according to claim 1, wherein the sand cores comprise a main sand core and three side sand cores, the side sand cores are respectively arranged on the side surfaces of the main sand core, and the side sand cores are respectively and fixedly connected with the main sand core.
3. The wind power hub gating system of claim 2, wherein the pouring transition region includes a flash runner connected to the ingate and a pouring buffer cavity disposed on the main sand core, the pouring buffer cavity being located above the ingate outlet.
4. The wind power hub gating system according to claim 3, wherein a slag accumulation groove is arranged in the pouring buffer cavity, and the slag accumulation groove is of an annular structure and is arranged along the circumferential direction of the pouring buffer cavity.
5. The wind power hub gating system of claim 4, wherein the slag chute is trapezoidal in cross section.
6. The wind power hub gating system of any one of claims 1 to 5, wherein the end of the wind power hub forming cavity for forming the main flange surface of the wind power hub is located at the lower portion of the wind power hub forming cavity.
7. The wind power hub gating system of claim 1, wherein the filter upper portion and the filter lower portion are of square frustum structures, the filter upper portion is of an inverted trapezoidal cross section, the filter lower portion is of a trapezoidal cross section, and the width of the lower end face of the filter upper portion is larger than the width of the upper end face of the filter lower portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022766217.7U CN213856955U (en) | 2020-11-25 | 2020-11-25 | Wind power hub pouring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022766217.7U CN213856955U (en) | 2020-11-25 | 2020-11-25 | Wind power hub pouring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213856955U true CN213856955U (en) | 2021-08-03 |
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ID=77039362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022766217.7U Active CN213856955U (en) | 2020-11-25 | 2020-11-25 | Wind power hub pouring system |
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| Country | Link |
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| CN (1) | CN213856955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799078A (en) * | 2022-04-01 | 2022-07-29 | 宁波日星铸业有限公司 | Mold for manufacturing fan hub |
-
2020
- 2020-11-25 CN CN202022766217.7U patent/CN213856955U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799078A (en) * | 2022-04-01 | 2022-07-29 | 宁波日星铸业有限公司 | Mold for manufacturing fan hub |
| CN114799078B (en) * | 2022-04-01 | 2024-02-23 | 宁波日星铸业有限公司 | Die for manufacturing fan hub |
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