CN210789124U - Improve filtration system of foundry goods surface dross - Google Patents
Improve filtration system of foundry goods surface dross Download PDFInfo
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- CN210789124U CN210789124U CN201921513942.4U CN201921513942U CN210789124U CN 210789124 U CN210789124 U CN 210789124U CN 201921513942 U CN201921513942 U CN 201921513942U CN 210789124 U CN210789124 U CN 210789124U
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Abstract
The utility model relates to a filtering system for improving scum on the surface of a casting, which comprises a sprue, wherein the lower end of the sprue is connected with an inlet of a ceramic filtering mechanism, and an outlet of the ceramic filtering mechanism is connected with an inner runner; ceramic filter mechanism includes ceramic filtration system cover of intaking, sets up the molten iron entry in the ceramic filtration system cover of intaking, and molten iron entry linkage sprue lower extreme, ceramic filtration system cover of intaking upper end sets up ceramic filtration system top cap, and ceramic filtration system cover of intaking periphery sets up ceramic filtration system outlet cover, and open ceramic filtration system outlet cover bottom has the molten iron export, and the molten iron exit linkage ingate, ceramic filtration system top cap periphery sets up ceramic filter and is the upper cover. The utility model has simple structure and small occupied space; the pouring runner is made of full ceramic materials, so that the phenomenon that the casting sandwiches caused by impacting the runner wall when molten iron flows in a pouring system can be effectively prevented, and the straight-hole ceramic filter plate is adopted to replace a zirconia filter plate with a honeycomb structure.
Description
Technical Field
The utility model belongs to the technical field of the casting equipment, a improve filtration system of foundry goods surface dross is related to.
Background
With the continuous development of the wind power industry, in order to reduce the overall cost, a wind turbine generator is developed from a small machine type to a large machine type; under the condition that the land resources are increasingly tense, the wind turbine generator develops from land to the sea; in order to prolong the service life of the fan and reduce the failure rate of the fan, the requirement on the fan assembly is higher and higher, the traditional filtering system can not meet the quality requirement of the fan assembly, the zirconia filter plate with the original honeycomb structure is fragile, fragments are flushed into a casting, and the casting is damaged. The zirconia filter plate with the honeycomb structure is easy to cause molten iron turbulence and form secondary slag. Because the original filter disc is arranged in the sand mould, the sand inclusion of the casting is easily caused by the impact of molten iron on the sand mould.
Disclosure of Invention
An object of the utility model is to provide an improve filtration system of foundry goods surface dross can solve the molten iron turbulent flow, forms the problem of secondary sediment, and can effectively avoid the foundry goods sand inclusion.
According to the utility model provides a technical scheme: a filtering system for improving scum on the surface of a casting comprises a sprue, wherein the lower end of the sprue is connected with an inlet of a ceramic filtering mechanism, and an outlet of the ceramic filtering mechanism is connected with an ingate; ceramic filter mechanism includes ceramic filtration system cover of intaking, set up the molten iron entry in the ceramic filtration system cover of intaking, molten iron entry linkage sprue lower extreme, ceramic filtration system cover of intaking sets up ceramic filtration system top cap, ceramic filtration system cover of intaking periphery sets up ceramic filtration system outlet cover, open ceramic filtration system outlet cover bottom has the molten iron export, the molten iron exit linkage the ingate, ceramic filtration system top cap periphery sets up ceramic filtration system upper cover, ceramic filtration system upper cover with set up straight hole ceramic filter piece between the ceramic filtration system outlet cover, straight hole ceramic filter piece with for worrying the chamber between the ceramic filtration system upper cover, straight hole ceramic filter piece with be out the water cavity between the ceramic filtration system outlet cover.
As a further improvement, the sprue upper end is sprue molten iron inlet, the sprue middle part is flow acceleration portion.
As a further improvement of the utility model, the flow accelerating part is in the shape of an inverted truncated cone with a wide upper part and a narrow lower part.
As a further improvement, the ceramic filter system is in the middle of the water inlet cover the molten iron inlet is formed by a molten iron buffer hole, a molten iron through hole and a molten iron slow release hole from bottom to top in sequence.
As a further improvement of the utility model, both sides of the water inlet cover of the ceramic filtering system are provided with temperature equalizing lightening holes.
As a further improvement, the fixed boss on the vertical setting filter element in ceramic filtration system upper cover, the interior periphery of ceramic filtration system goes out the water outlet cover sets up the cassette mounting groove, the vertical fixed boss under the cassette that sets up in cassette mounting groove below, place in the cassette mounting groove straight hole ceramic filter element.
As a further improvement, the ceramic filtration system inlet cover periphery equipartition the ceramic filtration system outlet cover, ceramic filtration system top cap periphery equipartition ceramic filtration is the upper cover.
As a further improvement of the utility model, the filtering system is arranged at the central position of the bottommost part of the casting.
Compared with the prior art, the utility model, have following advantage:
1. the utility model has simple structure and small occupied space; the pouring runner is made of all-ceramic materials, so that the runner wall can be effectively prevented from being impacted when molten iron flows in a pouring system, and castings are prevented from being sanded.
2. The utility model adopts the straight-hole ceramic filter plate to replace the zirconia filter plate with the honeycomb structure, which can effectively prevent the quality problem caused by the filter plate breaking; the straight-hole ceramic filter can form molten iron laminar flow to prevent secondary slag.
3. The design of the semi-closed and semi-open type pouring system of the utility model reduces the risk that air is involved into molten iron, reduces the flow velocity of the molten iron, and reduces the impact of molten iron on a sand mold; the secondary slag generated by turbulent flow is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the ceramic filtering mechanism of the present invention.
Fig. 3 is a schematic top view of fig. 2.
Fig. 4 is a schematic bottom view of fig. 2.
Fig. 5 is a schematic structural view of the water inlet cover of the ceramic filtration system of the present invention.
Fig. 6 is a schematic structural view of the ceramic filter system upper cover of the present invention.
Fig. 7 is a schematic structural view of the water outlet cover of the ceramic filtration system of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In the figures 1-7, the device comprises a sprue 1, a sprue molten iron inlet 1-1, a flow accelerating part 1-2, a ceramic filtering system water inlet cover 2, a molten iron buffer hole 2-1, a molten iron through hole 2-2, a molten iron slow release hole 2-3, a ceramic filtering system top cover 4, a filter cavity 5, a straight hole ceramic filter plate 6, a water outlet cavity 7, a ceramic filtering system water outlet cover 8, an inner sprue 9, a casting 10 and the like.
As shown in figure 1, the utility model relates to a improve filtration system of foundry goods surface dross, including sprue 1, the ceramic filtering mechanism entry is connected to sprue 1 lower extreme, and ceramic filtering mechanism exit linkage ingate 9.
As shown in figure 2, the ceramic filtering mechanism comprises a ceramic filtering system water inlet cover 2, a molten iron inlet is arranged in the ceramic filtering system water inlet cover 2 and is connected with the lower end of a sprue 1, a ceramic filtering system top cover 3 is arranged at the upper end of the ceramic filtering system water inlet cover 2, a ceramic filtering system water outlet cover 8 is arranged on the periphery of the ceramic filtering system water inlet cover 2, a molten iron outlet 8-3 is formed in the bottom of the ceramic filtering system water outlet cover 8, an inner runner 9 is connected with the molten iron outlet 8-3, a ceramic filtering system upper cover 4 is arranged on the periphery of the ceramic filtering system top cover 3, a straight-hole ceramic filtering sheet 6 is arranged between the ceramic filtering system upper cover 4 and the ceramic filtering system water outlet cover 8, a filtering cavity 5 is arranged between the straight-hole ceramic filtering sheet 6 and the ceramic filtering system upper cover 4, and a water outlet cavity 7 is arranged between the straight-hole ceramic filtering sheet 6 and the ceramic filtering.
As shown in fig. 1, the upper end of the sprue 1 is a sprue molten iron inlet 1-1, the middle of the sprue 1 is a flow accelerating part 1-2, and the flow accelerating part 1-2 is an inverted truncated cone with a wide upper part and a narrow lower part, so that molten iron at the lower end of the flow accelerating part 1-2 can be accelerated to flow downwards.
As shown in figure 5, a molten iron inlet in the middle of the water inlet cover 2 of the ceramic filtering system is sequentially composed of a molten iron buffering hole 2-1, a molten iron through hole 2-2 and a molten iron slow release hole 2-3 from bottom to top, and uniform-temperature lightening holes 2-4 are formed in two sides of the water inlet cover 2 of the ceramic filtering system, so that the whole thickness of the water inlet cover 2 of the ceramic filtering system is lightened, and the phenomena of nonuniform heating and local shrinkage are avoided.
As shown in FIG. 6, a fixing boss 4-1 is vertically provided on the inner periphery of the upper cover 4 of the ceramic filter system. As shown in FIG. 7, a filter mounting groove 8-1 is arranged on the inner periphery of the water outlet cover 8 of the ceramic filtration system, a lower filter fixing boss 8-2 is vertically arranged below the filter mounting groove 8-1, and a molten iron outlet 8-3 is arranged at the bottom of the water outlet cover 8 of the ceramic filtration system. A straight-hole ceramic filter 6 is arranged in the filter mounting groove 8-1, and the upper filter fixing boss 4-1 and the lower filter fixing boss 8-2 limit the filter.
As shown in fig. 3-4, 8 ceramic filtration system outlet covers 8 are uniformly distributed on the periphery of the ceramic filtration system inlet cover 2, and 8 ceramic filtration system upper covers 4 are uniformly distributed on the periphery of the ceramic filtration system top cover 3, so that the heat of molten iron is uniformly distributed on the bottom of the casting mold, and uneven heating is avoided.
The components of the filtration system are mounted centrally at the very bottom of the casting.
The working process of the utility model is as follows:
molten iron is injected from a sprue molten iron inlet 1-1, and flows into a ceramic filtering system water inlet cover 2 from the lower end after flowing through a flow accelerating part 1-2 in an accelerating way, so that the phenomenon that air is involved to generate molten iron oxidation and turbulence is avoided. Molten iron sequentially passes through the molten iron buffer holes 2-1, the molten iron through holes 2-2 and the molten iron slow-release holes 2-3, the molten iron buffer holes 2-1 can slow down the speed of the molten iron on two sides and mix the molten iron on two sides with the molten iron in the middle to slow down the impact force of the whole molten iron, the molten iron enters the molten iron through holes 2-2 and flows into the molten iron slow-release holes 2-3 in a large space, the pressure of the molten iron is further released, the buffered molten iron flows into the filter cavity 5, the molten iron enters the water outlet cavity 7 through the straight-hole ceramic filter 6 and then enters the casting 10 through the inner pouring gate 9, and the whole cavity is slowly filled with the molten.
The structures of the molten iron buffer holes 2-1, the molten iron through holes 2-2 and the molten iron slow-release holes 2-3 can adjust the linear speed of molten iron entering the casting 10, and the speed is controlled within the required range, so that the defects of slag inclusion, sand inclusion and the like of the casting are avoided.
Claims (8)
1. A filtration system for improving casting surface scum is characterized in that: the system comprises a sprue (1), the lower end of the sprue (1) is connected with an inlet of a ceramic filtering mechanism, and an outlet of the ceramic filtering mechanism is connected with an inner runner (9); the ceramic filtering mechanism comprises a ceramic filtering system water inlet cover (2), a molten iron inlet is arranged in the ceramic filtering system water inlet cover (2), the molten iron inlet is connected with the lower end of a sprue (1), a ceramic filtering system top cover (3) is arranged at the upper end of the ceramic filtering system water inlet cover (2), a ceramic filtering system water outlet cover (8) is arranged at the periphery of the ceramic filtering system water inlet cover (2), a molten iron outlet (8-3) is formed at the bottom of the ceramic filtering system water outlet cover (8), the molten iron outlet (8-3) is connected with the inner sprue (9), a ceramic filtering system upper cover (4) is arranged at the periphery of the ceramic filtering system top cover (3), a straight-hole ceramic filtering sheet (6) is arranged between the ceramic filtering system upper cover (4) and the ceramic filtering system water outlet cover (8), and a filtering cavity (5) is arranged between the straight-hole ceramic filtering sheet (6) and the ceramic filtering system upper cover (4), a water outlet cavity (7) is arranged between the straight-hole ceramic filter plate (6) and the water outlet cover (8) of the ceramic filter system.
2. The filtration system for improving casting surface dross of claim 1, wherein: the upper end of the sprue (1) is a sprue molten iron inlet (1-1), and the middle of the sprue (1) is a flow accelerating part (1-2).
3. The filtration system for improving casting surface dross of claim 2, wherein: the flow accelerating part (1-2) is in an inverted truncated cone shape with a wide upper part and a narrow lower part.
4. The filtration system for improving casting surface dross of claim 1, wherein: the middle part of the water inlet cover (2) of the ceramic filtering system is provided with a molten iron inlet which is sequentially composed of a molten iron buffer hole (2-1), a molten iron through hole (2-2) and a molten iron slow release hole (2-3) from bottom to top.
5. The filtration system for improving casting surface dross of claim 4, wherein: both sides of the water inlet cover (2) of the ceramic filtering system are provided with temperature equalizing lightening holes (2-4).
6. The filtration system for improving casting surface dross of claim 1, wherein: the ceramic filter system is characterized in that a filter sheet upper fixing boss (4-1) is vertically arranged on the inner periphery of an upper cover (4) of the ceramic filter system, a filter sheet mounting groove (8-1) is formed in the inner periphery of a water outlet cover (8) of the ceramic filter system, a filter sheet lower fixing boss (8-2) is vertically arranged below the filter sheet mounting groove (8-1), and the straight-hole ceramic filter sheet (6) is placed in the filter sheet mounting groove (8-1).
7. The filtration system for improving casting surface dross of claim 1, wherein: ceramic filtration system lid (2) periphery equipartition of intaking ceramic filtration system goes out water cover (8), ceramic filtration system top cap (3) periphery equipartition ceramic filtration system upper cover (4).
8. The filtration system for improving casting surface dross of claim 1, wherein: the filtration system is mounted in a central location at the very bottom of the casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513942.4U CN210789124U (en) | 2019-09-11 | 2019-09-11 | Improve filtration system of foundry goods surface dross |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513942.4U CN210789124U (en) | 2019-09-11 | 2019-09-11 | Improve filtration system of foundry goods surface dross |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789124U true CN210789124U (en) | 2020-06-19 |
Family
ID=71246143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921513942.4U Active CN210789124U (en) | 2019-09-11 | 2019-09-11 | Improve filtration system of foundry goods surface dross |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789124U (en) |
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2019
- 2019-09-11 CN CN201921513942.4U patent/CN210789124U/en active Active
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Address after: 214174 No. 99 Huicheng Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Jiangsu Tianqi Heavy Industry Co.,Ltd. Address before: 214174 No. 99 Huicheng Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: JIANGSU FAW FOUNDRY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |