CN215941439U - Gating system of large casting - Google Patents
Gating system of large casting Download PDFInfo
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- CN215941439U CN215941439U CN202122376783.1U CN202122376783U CN215941439U CN 215941439 U CN215941439 U CN 215941439U CN 202122376783 U CN202122376783 U CN 202122376783U CN 215941439 U CN215941439 U CN 215941439U
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- slag collecting
- molten metal
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- cup
- casting
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Abstract
The application discloses gating system of large-scale foundry goods includes: the pouring cup is used for conveying molten metal, and a pouring gate assembly is arranged at the lower end of the pouring cup; and a plurality of groups of slag collecting devices for collecting the metal slag. According to the pouring system of the large casting, the multistage slag collecting bag structure is adopted, after molten metal is flushed into the ingate from the sprue, most of the molten metal is blocked by the first-stage slag collecting bag, after redundant molten metal passes through the subsequent multistage slag collecting bag, the molten metal is blocked in the slag collecting bag, the molten metal cannot enter the casting along with the molten metal, casting defects cannot be formed, the quality of the manufactured product is better, the heights of the ingates are different, the molten metal moves along the ingate and the slag collecting bag in a bending mode, the phenomenon that the molten metal directly impacts the ingate is reduced, the flowing of the molten metal is smooth, the splashing of the molten metal is reduced by the trumpet-shaped ingate, the casting defects are prevented, the quality of the product is further improved, and a better use prospect is brought.
Description
Technical Field
The utility model relates to the field of casting pouring, in particular to a pouring system of a large casting.
Background
At present, orders of production tasks of ship electric large-scale cylinder blocks are more. Because the traditional pouring method is adopted, molten iron splashes in the pouring process, the temperature difference of molten iron mold filling is large, and the defects of sand explosion, air holes and the like are easily caused, so that the castings are scrapped;
the existing pouring system for large castings is of a single-stage slag collecting structure and has certain disadvantages in use, when the existing pouring system for large castings is used for pouring, after molten metal rushes into an ingate from a sprue, the molten slag floating on the top of a liquid level is collected in a slag collecting bag, when the slag collecting bag is full, slag can not be collected, the molten slag can enter the casting along with the molten metal to form a casting defect, and the ingate of the existing pouring system for large castings is too flat and straight, so that the molten metal cannot flow stably in the pouring process, the flow rate is too high, and sprayed molten metal is formed at the ingate to generate metal splashes, so that the casting defect is formed in the casting, and the requirements of people can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a pouring system of a large casting, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a gating system for large castings, comprising:
the pouring cup is used for conveying molten metal, and a pouring gate assembly is arranged at the lower end of the pouring cup; and
the slag collecting device comprises a plurality of groups of slag collecting bags, the slag collecting bags are communicated with each other, and the slag collecting bags far away from the sprue cup in the slag collecting device are communicated with a casting.
Preferably, the pouring gate assembly comprises a cross gate and a plurality of groups of sprue channels communicated with the cross gate, the pouring gate cup is welded in the middle of the outer surface of the upper end of the cross gate, and the outer surfaces of the upper ends of the sprue channels are all arranged on the outer surface of the lower end of the cross gate.
Preferably, the middle position of the outer surface of the sprue is communicated with a slag collecting ladle close to the pouring cup through a pipeline.
Preferably, ingates for communicating the slag collecting bags are arranged between every two adjacent slag collecting bags, and the heights of the two adjacent ingates are different.
Preferably, an inner sprue is arranged on a slag collecting bag far away from the sprue cup in the slag collecting device and communicated with an inner cavity of a casting, and the inner sprue is horn-shaped.
Preferably, the cross-sectional dimension of the runner is greater at a location proximate to the tundish than at a location remote from the tundish.
Compared with the prior art, the utility model provides a pouring system of a large casting, which has the following beneficial effects:
1. the pouring system adopts a multi-stage slag collecting bag structure, after molten metal is flushed into an ingate from a sprue, most of the molten metal is blocked in the first-stage slag collecting bag, after redundant molten metal passes through a subsequent multi-stage slag collecting bag, the molten metal is blocked in the slag collecting bag, the molten metal cannot enter a casting along with the molten metal, casting defects cannot be formed, and the quality of a manufactured product is better;
2. the height of the ingates in the pouring system is different, the molten metal moves along the ingates and the slag collecting ladle in a bending way, so that the molten metal directly impacts the ingates, the molten metal flows smoothly, the splashing of the molten metal is reduced by the trumpet-shaped ingates, the defects of castings are prevented, the quality of products is further improved, and the whole workpiece translation device is simple in structure, low in cost, good in using effect, capable of being produced and applied in a large scale and practical.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic overall structure diagram of a gating system of a large casting according to the utility model;
fig. 2 is a partial structural view of a gating system of a large casting according to the present invention.
In the figure: 1. a pouring cup; 2. a cross gate; 3. an inner pouring channel; 4. a sprue; 5. casting; 6. an inner gate; 7. and (4) collecting a slag ladle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
A gating system for large castings, as shown in fig. 1-2, comprising:
the pouring cup 1 is used for conveying molten metal, and a pouring gate assembly is arranged at the lower end of the pouring cup 1; and
the slag collecting device comprises a plurality of groups of slag collecting bags 7, the groups of slag collecting bags 7 are communicated with each other, and the slag collecting bags 7 far away from the sprue cup 1 in the slag collecting device are communicated with the casting 5.
The number of the slag collecting ladles 7 in the slag collecting device is preferably 3, and 3 groups of slag collecting ladles 7 are basically blocked in the slag collecting ladles 7 by matching with the metal slag.
The pouring gate component comprises a cross gate 2 and a plurality of groups of sprue 4 communicated with the cross gate 2, the pouring gate cup 1 is welded in the middle of the outer surface of the upper end of the cross gate 2, and the outer surfaces of the upper ends of the sprue 4 are all installed on the outer surface of the lower end of the cross gate 2.
The middle position of the outer surface of the sprue 4 is communicated with a slag collecting ladle 7 close to the sprue cup 1 through a pipeline.
And ingates 3 used for communicating the slag collecting bags 7 are arranged between the adjacent slag collecting bags 7, and the heights of the two adjacent groups of ingates 3 are different.
Two adjacent groups of ingates 3 can be arranged in a high-low mode, one group is positioned at the top end of the slag collecting ladle 7, and the other group is positioned at the bottom end of the slag collecting ladle 7.
An inner pouring gate 6 is arranged on a slag collecting ladle 7 far away from the pouring cup 1 in the slag collecting device, the inner pouring gate 6 is communicated with the inner cavity of the casting 5, and the inner pouring gate 6 is horn-shaped.
The cross-sectional dimension of the runner 2 at a position close to the pouring cup 1 is larger than that at a position far from the pouring cup 1.
When the pouring system is used, molten metal enters the transverse pouring gate 2 from the pouring cup 1, is dispersed into a plurality of groups of straight pouring gates 4, is poured into the slag collecting ladle 7 through the straight pouring gates 4, moves through the inner pouring gate 3 among the slag collecting ladles 7, then the molten metal floating on the top of the liquid level is collected in the slag collecting ladle 7, and enters the casting 5 through the inner pouring gate 6 for forming;
the pouring system adopts a multi-stage slag collecting ladle structure, after molten metal is flushed into an ingate 3 from a sprue 4, most of the molten metal is blocked in a first-stage slag collecting ladle 7, after redundant molten metal passes through a subsequent multi-stage slag collecting ladle 7, the molten metal is blocked in the slag collecting ladle 7, the molten metal cannot enter a casting 5 along with the molten metal, casting defects cannot be formed, and the quality of a manufactured product is better;
the height of the ingate 3 in the pouring system is different, the molten metal moves along the ingate 3 and the slag collecting ladle 7 in a bending way, so that the molten metal directly impacts the ingate 6, the molten metal flows smoothly, the splashing of the molten metal is reduced by the trumpet-shaped ingate 6, the defect of a large casting is prevented, the quality of a product is further improved, and the whole workpiece translation device is simple in structure, low in cost, good in using effect, capable of being produced and applied in a large scale and practical.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A gating system for large castings, comprising:
the pouring cup (1) is used for conveying molten metal, and a pouring gate assembly is installed at the lower end of the pouring cup (1); and
the slag collecting device comprises a plurality of groups of slag collecting bags (7), the slag collecting devices are communicated with the sprue cup (1) through a pouring gate assembly, the slag collecting devices comprise a plurality of groups of slag collecting bags (7), the slag collecting bags (7) are communicated with one another, and the slag collecting bags (7) far away from the sprue cup (1) in the slag collecting devices are communicated with the casting (5).
2. The gating system for large castings according to claim 1, wherein: the pouring gate component comprises a cross gate (2) and a plurality of groups of sprue (4) communicated with the cross gate (2), the pouring gate cup (1) is welded in the middle of the outer surface of the upper end of the cross gate (2), and the outer surfaces of the upper ends of the sprue (4) are all installed on the outer surface of the lower end of the cross gate (2).
3. The gating system for large castings according to claim 2, wherein: the middle position of the outer surface of the sprue (4) is communicated with a slag collecting ladle (7) close to the sprue cup (1) through a pipeline.
4. The gating system for large castings according to claim 1, wherein: and ingates (3) used for communicating the slag collecting bags (7) are arranged between every two adjacent slag collecting bags (7), and the heights of the two adjacent ingates (3) are different.
5. The gating system for large castings according to claim 1, wherein: an inner pouring gate (6) is arranged on a slag collecting ladle (7) far away from the pouring cup (1) in the slag collecting device, the inner pouring gate (6) is communicated with an inner cavity of a casting (5), and the inner pouring gate (6) is horn-shaped.
6. The gating system for large castings according to claim 2, wherein: the cross section of the cross gate (2) close to the pouring cup (1) is larger than that of the cross section far away from the pouring cup (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376783.1U CN215941439U (en) | 2021-09-29 | 2021-09-29 | Gating system of large casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376783.1U CN215941439U (en) | 2021-09-29 | 2021-09-29 | Gating system of large casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215941439U true CN215941439U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122376783.1U Active CN215941439U (en) | 2021-09-29 | 2021-09-29 | Gating system of large casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215941439U (en) |
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2021
- 2021-09-29 CN CN202122376783.1U patent/CN215941439U/en active Active
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