Gating system and gating system for wind power casting

Abstract

The utility model discloses a pouring system which comprises a filtering mechanism, the filtering mechanism comprises a filtering assembly, an injection pouring gate and an outflow pouring gate, the injection pouring gate and the outflow pouring gate are connected with the filtering assembly, the filtering assembly comprises a first filter seat, a filter and a second filter seat, and the first filter seat is connected with the second filter seat in a buckled mode. A filter area is formed, the filter is located in the filter area, and the filter is of a columnar or table-shaped structure with two open ends. According to the pouring system, due to the special design of the filtering mechanism, the pouring system does not need a large number of filters, the casting process can be completed only through one filter, and due to the fact that the filter is of a columnar or table-shaped structure, when molten metal enters the filter, impact force received by all parts of the filter is consistent, and the casting process is completed. Therefore, the influence that the filter is broken due to different impact forces on all the parts can be greatly reduced.

Description

Technical Field

[0001] The present application relates to the field of casting and pouring, and in particular to a pouring system. Background Art

[0002] The manufacture of large metal castings can be difficult. To ensure that each part of the mold is supplied with adequate molten metal, a gating system is used to distribute the molten metal to different areas of the mold through runners. Filters are commonly used in metal castings to remove slag or dross from the molten metal and reduce turbulence before the metal reaches the mold. This reduces the level of inclusions and defects in the finished casting, thereby reducing scrap levels, reducing rework, improving machinability and overall casting cleanliness and quality. During the filtering process, inclusions are removed and trapped in front of the filter, which limits the amount of metal that can pass through the filter.

[0003] For medium and large metal castings, multiple filters are required to ensure sufficient production. In general, filters are provided in series in the preformed cavity of the mold of each flow channel in the flow channel system. In addition, since large metal castings require a large amount of molten metal during the casting process, and the impact of the molten metal entering the filter at a certain flow rate on the filter causes different impact forces on different parts of the filter, which seriously affects the service life of the filter. Utility Model Content

[0004] In view of the problems existing in the prior art, the present application provides a casting system with high filtering capacity and a small number of filters.

[0005] Specifically, this application involves the following aspects:

[0006] The present application provides a casting system, including a filtering mechanism, the filtering mechanism including a filtering assembly and an injection runner and an outflow runner connected to the filtering assembly, the filtering assembly including a first filter seat, a filter and a second filter seat, the first filter seat is snap-fittedly connected to the second filter seat to form a filtering area, and the filter is located in the filtering area, and the filter is a columnar or table-shaped structure with openings at both ends.

[0007] Furthermore, a liquid inlet penetrating through the first filter seat is provided in the middle of the first filter seat, and the liquid inlet is communicated with the injection runner.

[0008] Further, the projection of the liquid inlet on the second filter seat is located at the center of the projection of the filter on the second filter seat.

[0009] Furthermore, the two end openings of the filter are respectively a first port and a second port, the first port is connected to the inner surface of the first filter seat, and the second port is connected to the inner surface of the second filter seat.

[0010] Furthermore, on the inner surface of the second filter seat, there are provided more than two drainage ports surrounding the filter and penetrating the second filter seat, and the drainage ports are communicated with the outflow runner.

[0011] Furthermore, the filter is a cylindrical, prism-shaped, truncated cone-shaped or prism-shaped structure.

[0012] Furthermore, the system also includes a sand box and a casting cavity. The casting cavity is located in the sand box, and a pouring port is provided on the outer side of the bottom of the casting cavity.

[0013] Furthermore, the filter assembly is located in the casting cavity, the injection runner extends into the casting cavity and communicates with the filter assembly, and the outflow runner extends out of the casting cavity and communicates with the pouring port.

[0014] Furthermore, the filter assembly is located in the sand box and is arranged below the casting cavity, the injection runner extends into the sand box and is connected to the filter assembly, and the outflow runner is connected to the pouring port.

[0015] Furthermore, the outflow runner includes a first straight runner, a second straight runner, a first cross runner and a second cross runner.

[0016] One end of the first straight runner is connected to the discharge port, the other end of the first straight runner is connected to the first cross runner, the other end of the first cross runner is connected to the middle connection port of the second cross runner, and the outer wall of the second cross runner is axially provided with multiple discharge connection ports, and the multiple discharge connection ports are symmetrically distributed around the middle connection port, each of the discharge connection ports is connected to a second straight runner, and the second straight runner is connected to the pouring port.

[0017] Further, the number of the discharge connection ports is the same as the number of the second sprue, and the number of the discharge connection ports and the number of the second sprue are both n times the number of the discharge ports, where n is greater than or equal to 1;

[0018] The number of the first sprues is the same as the number of the drain ports.

[0019] Furthermore, the filter is made of a material selected from silicon carbide, silicon carbide-alumina-based, silicon carbide-mullite or silicon carbide-alumina-based, wherein the content of silicon carbide (by weight) is 30%-60%.

[0020] The present application provides a casting system for wind power casting, including the aforementioned casting system.

[0021] Furthermore, the filter has an inner diameter of 100-440 mm, an outer diameter of 180-480 mm, and a height of 100-150 mm.

[0022] The pouring system provided by the present application does not require a large number of filters due to the special design of the filtering mechanism, and only one filter is needed to complete the casting process. Since the filter is a columnar or table-shaped structure, when the molten metal enters the filter, the impact force received by each part of the filter is consistent, so the impact of shortening the life caused by the different impact forces received by each part can be greatly reduced. In addition, the reduction in the number of filters can greatly reduce the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to better understand the present application and do not constitute an improper limitation on the present application.

[0024] Figure 1 A schematic diagram of the structure of the pouring system provided in this application.

[0025] Figure 2 A schematic diagram of the structure of the pouring system provided in this application.

[0026] Figure 3 A schematic diagram of the structure of the pouring system provided in this application.

[0027] Figure 4 A schematic diagram of the structure of the pouring system provided in this application.

[0028] Figure 5 A schematic diagram of the structure of the filter assembly provided in this application.

[0029] Figure 6 A partial structural schematic diagram of the filter assembly provided in this application.

[0030] Description of Reference Numerals

[0031] 1-sand box, 2-casting cavity, 3-filter assembly, 4-injection runner, 5-first straight runner, 6-first horizontal runner, 7-second horizontal runner, 8-second straight runner, 9-first filter seat, 10-second filter seat, 11-filter, 12-liquid inlet, 13-liquid outlet. DETAILED DESCRIPTION

[0032] The following is a description of the exemplary embodiments of the present application, including various details of the embodiments of the present application to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. Similarly, for clarity and conciseness, the description of well-known functions and structures is omitted in the following description.

[0033] The present application provides a casting system, including a filtering mechanism, the filtering mechanism including a filtering assembly 3 and an injection runner 4 and an outflow runner connected to the filtering assembly 3, the filtering assembly 3 including a first filter seat 9, a filter 11 and a second filter seat 10, the first filter seat 9 and the second filter seat 10 are snap-fitted and connected to form a filtering area, and the filter 11 is located in the filtering area, and the filter 11 is a columnar or terraced structure with openings at both ends.

[0034] The filtration area includes an inner filtration area and an outer filtration area.

[0035] The inner filtering area is a space formed by the inner surface of the filter 11 , the first filter seat 9 and the second filter seat 10 , and is used to filter the molten metal through the filter 11 .

[0036] The outer filtration area is a zone formed by the outer surface of the filter 11 and the first filter seat 9 and the second filter seat 10 . The molten metal filtered by the filter 11 enters the outer filtration area.

[0037] The filter 11 may be in the shape of a cylinder, prism, truncated cone or prism-shaped structure with both ends open and hollow.

[0038] The prismatic structure may be a regular prism, such as a regular triangular prism, a regular quadrangular prism, a regular hexagonal prism, a regular octagonal prism, a regular dodecahedral prism, or the like.

[0039] The prism-shaped structure may be a regular prism, for example, a regular hexagonal prism, a regular octagonal prism, a regular dodecagonal prism, etc.

[0040] In the pouring system, after the molten metal enters the inner filter area, materials such as metal slag remain in the inner filter area, and the molten metal passes through the wall of the filter 11 and enters the outer filter area.

[0041] Due to the special structure of the filtering mechanism, the pouring system does not need a large number of filters, but only needs one filter assembly 3, and only one filter 11 is needed in the filter assembly 3 to complete the casting process. Moreover, since the filter 11 is a columnar or table-shaped structure, when the molten metal enters the filter, the impact force received by each part of the filter is consistent, so the impact of shortening the life due to the different impact forces received by each part can be greatly reduced. Moreover, due to the reduction in the number of filter assemblies 3, the number of pouring channels can be greatly reduced, thereby greatly reducing the production cost.

[0042] In the present application, a liquid inlet 12 penetrating the first filter seat 9 is provided in the middle of the first filter seat 9, and the liquid inlet 12 is connected to the injection runner 4. The projection of the liquid inlet 12 on the second filter seat 10 is located at the center of the projection of the filter 11 on the second filter seat 10. The casting liquid to be filtered enters the filter 11 from the liquid inlet 12 through the injection runner 4. Since the liquid inlet 12 is located in the middle of the first filter seat 9, the casting liquid entering the filter 11 through the liquid inlet 12 has the same impact force on each part of the filter 11 at the same height, thereby avoiding damage to the filter 11 caused by different impact forces on each part.

[0043] In some embodiments, Figure 5-Figure 6 As shown, when the filter 11 is a hollow cylindrical structure with openings at both ends, the projection of the liquid inlet 12 on the second filter seat 10 and the projection of the filter 11 on the second filter seat 10 form concentric circles.

[0044] The first filter seat 9 and the second filter seat 10 are buckled together to form a columnar or table-shaped housing, such as a cylindrical housing, a truncated table housing, a regular octagonal prism housing, a regular dodecagonal prism housing, etc.

[0045] In the present application, the two end openings of the filter 11 are respectively the first port and the second port, the first port is connected to the inner surface of the first filter seat 9, and the second port is connected to the inner surface of the second filter seat 10, forming the inner filtering area.

[0046] After the molten metal enters the inner filter area through the liquid inlet 12, the molten metal enters the outer filter area through the side wall of the filter 11. The molten metal can only enter the outer filter area from the inner filter area through the side wall of the filter 11.

[0047] In some embodiments, more than two filter sheets may be arranged at equal intervals on the inner wall of the filter 11 .

[0048] In some embodiments, the inner wall of the filter 11 may be continuously provided with two or more filter sheets along the circumferential direction.

[0049] In some embodiments, the inner wall of the filter 11 may be provided with two or more filter sheets at equal intervals in the radial direction.

[0050] In some embodiments, a filter plate with an outer diameter smaller than the inner diameter of the filter 11 may be further disposed in the filter 11 , and the filter plate is conformal to the filter 11 , and the central axis of the filter plate coincides with the central axis of the filter 11 .

[0051] In the present application, on the inner surface of the second filter seat 10, there are provided two or more drainage ports 13 surrounding the filter 11 and penetrating the second filter seat 10, and the drainage ports 13 are communicated with the outflow runner.

[0052] The number of the drainage ports 13 may be 2, 3, 4, 5, 6, 7, 8, etc., and the plurality of drainage ports 13 are arranged at equal intervals around the filter 11. The more the number of drainage ports 13, the greater the amount of filtered pouring liquid flowing out through the plurality of drainage ports 13, and the faster the pouring rate. However, the more drainage ports there are, the greater the number of corresponding outflow runners. Therefore, the number of drainage ports 13 can be determined according to actual needs.

[0053] In the present application, a second mounting groove is further provided on the inner bottom of the second filter seat 10, and the filter 11 is provided in the second mounting groove to fix the filter 11. A first mounting groove is provided on the inner side of the first filter seat 9, and the first mounting groove can be used to limit the position of the filter 11.

[0054] In the present application, the first installation groove on the first filter seat and the second installation groove on the second filter seat may be provided at the same time, or one of the two may be provided.

[0055] In some embodiments, the first mounting groove / the second mounting groove may be an annular groove.

[0056] In some embodiments, the shape of the cross section of the first mounting groove / the second mounting groove is the same as the shape of the connecting portion of the filter 11 and the first mounting groove / the second mounting groove, so as to make it easier to fix the filter 11.

[0057] In the present application, the materials of the first filter seat 9 and the second filter seat 10 may be the same or different.

[0058] In some embodiments, the first filter seat 9 and the second filter seat 10 can be manufactured by using molds and then placed on the production line. The first filter seat 9 and the second filter seat 10 can be made of ceramic materials, or made of coated sand, cold core box, etc. through a core shooting machine. This method can select first filter seats 9 and second filter seats 10 of different materials according to different casting conditions, which can effectively avoid sand washing and other phenomena.

[0059] In some embodiments, when designing the casting system, the first filter seat 9 and the second filter seat 10 are directly built using existing sand molds, so that the first filter seat 9 and the second filter seat 10 can be directly manufactured on the production line without transportation, so this method has the characteristic of convenient production.

[0060] In the present application, the system further comprises a sand box 1 and a casting cavity 2. The casting cavity 2 is located in the sand box 1, and more than two pouring ports are arranged on the outer side of the bottom of the casting cavity 2.

[0061] The number of the pouring ports is 2, 3, 4, 5, 6, 7, 8, etc. The number can be determined according to actual needs.

[0062] In some embodiments, the number of the pouring ports is an even number.

[0063] In some embodiments, Figure 1-Figure 2 As shown, the filter assembly 3 is located in the casting cavity 2, the injection runner 4 extends into the casting cavity 2 and communicates with the filter assembly 3, and the outflow runner extends out of the casting cavity 2 and communicates with the pouring port.

[0064] The filter assembly 3 may be disposed at the center of the casting cavity 2 or at a non-center location.

[0065] The orientation of the filter assembly 3 is that the first filter seat 9 faces upward and the second filter seat 10 faces downward, the inflow runner extends from the upper opening of the casting cavity 2 into the casting cavity 2, and then communicates with the liquid inlet 12 on the first filter seat 9, the metal liquid enters the inner filter area, and then passes through the side wall of the filter 11 into the outer filter area, the filtered metal liquid enters the outflow runner through the drain port 13, and then enters the pouring port for pouring.

[0066] In some embodiments, one filtering mechanism may be provided in the casting cavity 2, or more than two filtering mechanisms may be provided, and the number of the filtering mechanisms may be set according to specific circumstances.

[0067] Specifically, the outflow runner includes a first straight runner 5, a second straight runner 8, a first cross runner 6 and a second cross runner 7, one end of the first straight runner 5 is connected to the discharge port 13, the other end of the first straight runner 5 is connected to the first cross runner 6, the other end of the first cross runner 6 is connected to the middle connection port of the second cross runner 7, and the outer wall of the second cross runner 7 is axially provided with a plurality of discharge connection ports, and the plurality of discharge connection ports are symmetrically distributed around the middle connection port, and each of the discharge connection ports is connected to a second straight runner 8, and the second straight runner 8 is connected to the pouring port.

[0068] The number of the discharge connection ports may be 2, 4, 6, 8, 10 or more, and the number of the discharge connection ports may be determined according to actual needs.

[0069] The number of the discharge connection ports is the same as the number of the second straight runners 8, and the number of the discharge connection ports and the number of the second straight runners 8 are n times the number of the drainage ports 13, n is greater than or equal to 1, for example, n can be 1, 2, 3, 4, 5, 6, 7, etc.

[0070] A plurality of the second sprues 8 are arranged in parallel.

[0071] The number of the first sprues 5 is the same as the number of the drain ports 13 .

[0072] In some embodiments, a discharge connection port is provided at each end of the second runner 7, each of which is independently connected to a second straight runner 8, and each of which is connected to the pouring port. The number of the pouring ports is twice that of the discharge ports 13.

[0073] By adopting this method, the length of the first sprue 8 can be greatly reduced, and the space required for the equipment can be reduced.

[0074] In some embodiments, Figure 3-Figure 4 As shown, the filter assembly 3 is located in the sand box 1 and is arranged below the casting cavity 2. The injection runner 4 extends into the sand box 1 and communicates with the filter assembly 3. The outflow runner is communicated with the pouring port.

[0075] The orientation of the filter assembly 3 is that the second filter seat 10 faces upward and the first filter seat 9 faces downward. The inflow runner is L-shaped and is connected from the liquid inlet 12 of the first filter seat 9. The metal liquid enters the inner filter area and then passes through the side wall of the filter 11 to enter the outer filter area. The filtered metal liquid enters the outflow runner through the drain port 13 and then enters the pouring port for pouring.

[0076] Specifically, the outflow runner includes a first straight runner 5, a second straight runner 8, a first cross runner 6 and a second cross runner 7. One end of the first straight runner 5 is connected to the discharge port 13, the other end of the first straight runner 5 is connected to the first cross runner 6, the other end of the first cross runner 6 is connected to the middle connection port of the second cross runner 7, and the outer wall of the second cross runner 7 is axially provided with a plurality of discharge connection ports, and the plurality of discharge connection ports are symmetrically distributed around the middle connection port, and each of the discharge connection ports is connected to a second straight runner 8.

[0077] The number of the discharge connection ports may be 2, 4, 6, 8, 10 or more, and the number of the discharge connection ports may be determined according to actual needs.

[0078] The number of the discharge connection ports is the same as the number of the second straight runners 8, and the number of the discharge connection ports and the number of the second straight runners 8 are n times the number of the drainage ports 13, n is greater than or equal to 1, for example, n can be 1, 2, 3, 4, 5, 6, 7, etc.

[0079] A plurality of the second sprues 8 are arranged in parallel.

[0080] The number of the first sprues 5 is the same as the number of the drain ports 13 .

[0081] In some embodiments, a discharge connection port is provided at each end of the second runner 7, each of which is independently connected to a second straight runner 8, and each of which is connected to the pouring port. The number of the pouring ports is twice that of the discharge ports 13.

[0082] In the present application, the filter 11 is made of a material selected from silicon carbide, silicon carbide-alumina, silicon carbide-mullite or silicon carbide-alumina, wherein the content of silicon carbide (by weight) is 30%-60%, for example, it can be 30%, 35%, 40%, 45%, 50%, 55%, 60%, etc.

[0083] The present application also provides a casting system for wind power casting, including the aforementioned casting system.

[0084] Furthermore, the filter 11 has an inner diameter of 100-440 mm, an outer diameter of 180-480 mm, and a height of 100-150 mm.

[0085] In some embodiments, the filter 11 has an inner diameter of 100 mm, an outer diameter of 180 mm, and a height of 150 mm.

[0086] In some embodiments, the filter 11 has an inner diameter of 300 mm, an outer diameter of 380 mm, and a height of 150 mm.

[0087] In some embodiments, the filter 11 has an inner diameter of 120 mm, an outer diameter of 200 mm, and a height of 100 mm.

[0088] In some embodiments, the filter 11 has an inner diameter of 160 mm, an outer diameter of 240 mm, and a height of 100 mm.

[0089] In some embodiments, the filter 11 has an inner diameter of 235 mm, an outer diameter of 315 mm, and a height of 135 mm.

[0090] In some embodiments, the filter 11 has an inner diameter of 280 mm, an outer diameter of 360 mm, and a height of 100 mm.

[0091] In some embodiments, the filter 11 has an inner diameter of 380 mm, an outer diameter of 480 mm, and a height of 120 mm.

[0092] In some embodiments, the filter 11 has an inner diameter of 440 mm, an outer diameter of 540 mm, and a height of 120 mm.

[0093] In some embodiments, the filter 11 has an inner diameter of 180 mm, an outer diameter of 260 mm, and a height of 150 mm.

[0094] Example

[0095] The experimental methods used in the following examples are all conventional methods unless otherwise specified.

[0096] Unless otherwise specified, the materials and reagents used in the following examples can be obtained from commercial sources.

[0097] Example 1

[0098] like Figure 1As shown, this embodiment relates to a pouring system for wind power casting, which includes a filtering mechanism, a sand box and a casting cavity. The casting cavity 2 is located in the sand box 1. The filtering mechanism includes a filtering assembly 3, an injection runner 4 and an outflow runner. The filtering assembly 3 is located at the center of the casting cavity 2. The injection runner 4 extends into the casting cavity 2 and communicates with the filtering assembly 3. The outflow runner extends out of the casting cavity 2 and communicates with the pouring port set at the bottom outer side of the casting cavity 2. The filtering assembly 3 includes a first filter seat 9, a filter 11 and a second filter seat 10. The first filter seat 9 and the second filter seat 10 are snap-fitted and connected to form a filtering area, and the filter 11 is located in the middle of the filtering area. The filter 11 is a columnar structure with two ends open. The material of the filter 11 is silicon carbide, and its inner diameter is 100mm, the outer diameter is 180mm, and the height is 150mm. The structure formed after the first filter seat 9 and the second filter seat 10 are buckled is cylindrical in appearance, which coincides with the central axis of the filter 11. The center of the top of the first filter seat 9 has a liquid inlet 12 connected to the injection runner 4, and the bottom inner side of the second filter seat 10 has 6 drainage ports arranged around the filter 11, and the 6 drainage ports are arranged at equal intervals. The material of the first filter seat 9 and the second filter seat 10 is resin sand, and the outflow runner includes 6 first straight runners 5, 12 second straight runners 8, 6 first horizontal runners 6 and 6 second horizontal runners 7. One end of the first straight runner 5 is connected to the drainage port 13, the other end of the first straight runner 5 is connected to the first horizontal runner 6, and the other end of the first horizontal runner 6 is connected to the middle connection port of the second horizontal runner 7. The outer wall of the second horizontal runner 7 is provided with two discharge connection ports along the axial direction, and the two discharge connection ports are symmetrically distributed with the middle connection port, and each of the discharge connection ports is connected to a second straight runner 8.

[0099] The inner diameter of the first sprue 5 is 60 mm, and the material is a ceramic tube.

[0100] The inner diameter of the second sprue 8 is 50 mm, and the material is a ceramic tube.

[0101] The inner diameter of the first runner 6 is 60 mm, and the material is a ceramic tube.

[0102] The inner diameter of the second runner 7 is 60 mm, and the material is a ceramic tube.

[0103] The casting cavity 2 is made of resin sand.

[0104] The sand box 1 is an iron sand box.

[0105] The inner diameter of the injection runner 4 is 100 mm, and the material is a ceramic tube.

[0106] Example 2

[0107] The present embodiment relates to a pouring system for the injection molding industry, which includes a filter mechanism, a sand box and a casting cavity, wherein the casting cavity 2 is located in the sand box 1, and the filter mechanism includes a filter assembly 3, an injection runner 4 and an outflow runner, wherein the filter assembly 3 is located at the center of the casting cavity 2, the injection runner 4 extends into the casting cavity 2 and communicates with the filter assembly 3, and the outflow runner extends out of the casting cavity 2 and communicates with a pouring port provided at the bottom outer side of the casting cavity 2. The filter assembly 3 includes a first filter seat 9, a filter 11 and a second filter seat 10, wherein the first filter seat 9 and the second filter seat 10 are snap-fitted and connected to form a filter area, and the filter 11 is located in the middle of the filter area, and the filter 11 is a columnar structure with openings at both ends, and the material of the filter 11 is silicon carbide, and the inner diameter is 360 mm, the outer diameter is 440 mm, and the height is 150 mm. The structure formed after the first filter seat 9 and the second filter seat 10 are buckled is cylindrical in appearance, which coincides with the central axis of the filter 11. The center of the top of the first filter seat 9 has a liquid inlet 12 connected to the injection runner 4, and the bottom inner side of the second filter seat 10 has 6 drainage ports arranged around the filter 11, and the 6 drainage ports are arranged at equal intervals. The material of the first filter seat 9 and the second filter seat 10 is resin sand, and the outflow runner includes 6 first straight runners 5, 12 second straight runners 8, 6 first horizontal runners 6 and 6 second horizontal runners 7. One end of the first straight runner 5 is connected to the drainage port 13, the other end of the first straight runner 5 is connected to the first horizontal runner 6, and the other end of the first horizontal runner 6 is connected to the middle connection port of the second horizontal runner 7. The outer wall of the second horizontal runner 7 is provided with two discharge connection ports along the axial direction, and the two discharge connection ports are symmetrically distributed with the middle connection port, and each of the discharge connection ports is connected to a second straight runner 8.

[0108] The inner diameter of the first sprue 5 is 80 mm, and the material is a ceramic tube.

[0109] The inner diameter of the second sprue 8 is 60 mm, and the material is a ceramic tube.

[0110] The inner diameter of the first runner 6 is 80 mm, and the material is a ceramic tube.

[0111] The inner diameter of the second runner 7 is 80 mm, and the material is a ceramic tube.

[0112] The casting cavity 2 is made of resin sand.

[0113] The material of the sand box 1 is an iron sand box.

[0114] The inner diameter of the injection runner 4 is 120 mm and the material is a ceramic tube.

[0115] Although the embodiments of the present application are described above in conjunction with the accompanying drawings, the present application is not limited to the above specific embodiments and application fields, and the above specific embodiments are merely illustrative and instructive, rather than restrictive. A person of ordinary skill in the art can also make many forms under the guidance of this specification and without departing from the scope of protection of the claims of the present application, all of which belong to the protection of the present application.

Claims

1. A pouring system, wherein: It includes a filtering mechanism, which includes a filtering assembly and an injection runner and an outflow runner connected to the filtering assembly. The filtering assembly includes a first filter seat, a filter and a second filter seat. The first filter seat is snap-fitted and connected to the second filter seat to form a filtering area. The filter is located in the filtering area. The filter is a columnar or table-shaped structure with openings at both ends.

2. The pouring system according to claim 1, wherein: A liquid inlet penetrating through the first filter seat is arranged in the middle of the first filter seat, and the liquid inlet is communicated with the injection runner.

3. The pouring system according to claim 2, wherein: The projection of the liquid inlet on the second filter seat is located at the center of the projection of the filter on the second filter seat.

4. The pouring system according to claim 1, wherein: The filter has two openings at both ends, namely a first port and a second port. The first port is connected to the inner surface of the first filter seat, and the second port is connected to the inner surface of the second filter seat.

5. The pouring system according to any one of claims 1 to 4, wherein: On the inner surface of the second filter seat, there are arranged more than two drainage ports surrounding the filter and penetrating the second filter seat, and the drainage ports are communicated with the outflow runner.

6. The pouring system according to any one of claims 1 to 4, wherein: The filter is in the shape of a cylinder, a prism, a truncated cone or a prism-shaped structure.

7. The pouring system according to claim 5, wherein: The system further comprises a sand box and a casting cavity. The casting cavity is located in the sand box, and a pouring port is arranged on the outer side of the bottom of the casting cavity.

8. The pouring system according to claim 7, wherein: The filter assembly is located in the casting cavity, the injection runner extends into the casting cavity and communicates with the filter assembly, and the outflow runner extends out of the casting cavity and communicates with the pouring port.

9. The pouring system according to claim 7, wherein: The filter assembly is located in the sand box and is arranged below the casting cavity. The injection runner extends into the sand box and is communicated with the filter assembly. The outflow runner is communicated with the pouring port.

10. The pouring system according to any one of claims 7 to 9, wherein: The outflow runner includes a first straight runner, a second straight runner, a first cross runner and a second cross runner, One end of the first straight runner is connected to the discharge port, the other end of the first straight runner is connected to the first cross runner, the other end of the first cross runner is connected to the middle connection port of the second cross runner, and the outer wall of the second cross runner is axially provided with multiple discharge connection ports, and the multiple discharge connection ports are symmetrically distributed around the middle connection port, each of the discharge connection ports is connected to a second straight runner, and the second straight runner is connected to the pouring port.

11. The pouring system according to claim 10, wherein: The number of the discharge connection ports is the same as the number of the second sprues, and the number of the discharge connection ports and the number of the second sprues are both n times the number of the discharge ports, where n is greater than or equal to 1; The number of the first sprues is the same as the number of the drain ports.

12. A pouring system for wind power casting, wherein: A pouring system comprising any one of claims 1-11.

13. The pouring system according to claim 12, wherein: The filter has an inner diameter of 100-440 mm, an outer diameter of 180-480 mm, and a height of 100-150 mm.

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