CN221158520U - Casting process model structure for double-shell differential shells - Google Patents
Casting process model structure for double-shell differential shells Download PDFInfo
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- CN221158520U CN221158520U CN202322810753.6U CN202322810753U CN221158520U CN 221158520 U CN221158520 U CN 221158520U CN 202322810753 U CN202322810753 U CN 202322810753U CN 221158520 U CN221158520 U CN 221158520U
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- pouring gate
- casting
- water inlet
- inlet piece
- transverse
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- 238000005266 casting Methods 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000002893 slag Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims description 18
- 238000007711 solidification Methods 0.000 abstract description 8
- 230000008023 solidification Effects 0.000 abstract description 8
- 238000005087 graphitization Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 230000005496 eutectics Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a casting process model structure for double-shell differential shells, which comprises a vertical pouring gate, a pouring gate nest, a filter residue piece outer die, a second transverse pouring gate, a third water inlet piece, a fourth water inlet piece, a fifth water inlet piece, a fourth transverse pouring gate, a first casting and a second casting; the vertical pouring gate is connected with the pouring gate nest, the pouring gate nest is connected with the slag plate outer die, the water outlet position of the slag plate outer die is connected with the second transverse pouring gate, the two ends of the second transverse pouring gate are respectively connected with the first transverse pouring gate and the third transverse pouring gate, and the tail end of the third transverse pouring gate is respectively provided with the first slag collecting ladle and the second slag collecting ladle. The utility model can not only prevent the loss of molten metal through the transverse runner and the pressure reduction caused by graphitization expansion, but also fully utilize the eutectic graphitization expansion in the later stage of solidification to counteract solidification shrinkage, thereby achieving the purpose of eliminating shrinkage cavity and ensuring the product quality.
Description
Technical Field
The utility model relates to the technical field of casting process model structures of double-shell type differential shells, in particular to a casting process model structure for a double-shell type differential shell.
Background
In the traditional casting industry, the arrangement mode of products, the number of mold cavities, the weight of sand cores, the number of used sand cores, the assembly mode, the utilization rate of templates, the quality of products and the like are all important factors influencing the casting cost of enterprises. The double-layer differential shell product has a special structure, the whole size is larger, the wall thickness is uneven due to the special structure, the positions of the hot joints are scattered, and a plurality of riser heads are needed to feed the double-layer differential shell product; and the differential mechanism shell has higher dynamic balance requirements on products, so that the grinding requirements on post-treatment are more strict. The traditional casting process scheme design causes the problems that the product yield is extremely low, the template utilization rate is low, the post-treatment grinding operation after the product is taken off line is difficult, and the production efficiency is low.
Disclosure of utility model
The utility model aims to provide a casting process model structure for double-shell differential shells, which not only can prevent molten metal from flowing out and reducing pressure through a transverse runner caused by graphitization expansion, but also can fully utilize eutectic graphitization expansion in the later solidification stage to counteract solidification shrinkage, thereby achieving the purpose of eliminating shrinkage cavity and ensuring the product quality.
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
A casting process model structure for a double-shell differential shell, comprising:
The casting mold comprises a vertical pouring gate, a pouring gate nest, a filter residue piece outer mold, a second transverse pouring gate, a third water inlet piece, a fourth water inlet piece, a fifth water inlet piece, a fourth transverse pouring gate, a first casting and a second casting;
The vertical pouring gate is connected with the pouring gate nest, the pouring gate nest is connected with the filter residue piece outer die, the water outlet position of the filter residue piece outer die is connected with the second transverse pouring gate, the two ends of the second transverse pouring gate are respectively connected with a first transverse pouring gate and a third transverse pouring gate, the tail end of the third transverse pouring gate is respectively provided with a first slag collecting ladle and a second slag collecting ladle, the third transverse pouring gate is connected to the second casting through a fourth water inlet piece and a fifth water inlet piece, the second transverse pouring gate is connected with the fourth transverse pouring gate through a third water inlet piece and a fourth water inlet piece, and the two sides of the fourth transverse pouring gate are respectively provided with a sixth water inlet piece and a seventh water inlet piece.
The casting process model structure for the double-shell differential shell is characterized in that chilling columns are arranged on the first casting and the second casting.
The casting process model structure for the double-shell differential shells is characterized in that a first lower shaft hole solid structure and a middle shaft hole solid boss structure are arranged on the first casting.
The casting process model structure for the double-shell differential shells is characterized in that a central shaft hole solid boss structure and a second lower shaft hole solid structure are arranged on the second casting.
The casting process model structure for the double-shell differential shell comprises a first runner, a second runner and a third runner, wherein the first runner is connected to the first casting through a first water inlet piece and a second water inlet piece.
The casting process model structure for the double-shell differential shells, wherein, the sixth water inlet piece is connected with the second casting, and the seventh water inlet piece is connected with the first casting.
The utility model has at least the following beneficial effects:
1. according to the structure, due to the placement position of the riser, the typesetting mold cavities of products can be increased in an optimized arrangement mode, and the utilization rate of the templates is effectively improved;
2. According to the utility model, the riser is omitted due to the adoption of the riser-free mode, so that the whole die weight of the product is reduced, and the product yield is improved;
3. In the utility model, the technical scheme of the structure can be transversely applied to other products in factories, so that the production cost is reduced;
4. in the utility model, the structure can be transversely popularized and applied to double-shell products with similar structures, and the application range is wide.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic structural view of a casting process model structure for a double-shell differential shell according to the present utility model;
FIG. 2 is a schematic structural view of a front view of a casting process model for a double-shell differential shell according to the present utility model;
FIG. 3 is a schematic structural view of a side view of a casting process model for a double shell differential shell according to the present utility model;
fig. 4 is a schematic structural view of a bottom view of a casting process model for a double-shell differential shell according to the present utility model.
Reference numerals illustrate:
1. A vertical pouring channel; 2. pouring gate nest; 3. filtering the residue piece outer mold; 4. the first slag ladle; 5. a first water inlet piece; 6. a first runner; 7. a second water inlet piece; 8. a second runner; 9. a third water inlet piece; 10. fourthly, water entering tablets; 11. a third runner; 12. fifth, water entering slices; 13. a second slag ladle; 14. sixth, water entering tablets; 15. a fourth runner; 16. seventh water inlet piece; 17. a chilling column; 18. a first lower shaft hole solid structure; 19. a solid boss structure of the middle shaft hole; 20. a first casting; 21. a second casting; 22. a central shaft hole solid boss structure; 23. and the second lower shaft hole is of a solid structure.
Detailed Description
The following detailed description of embodiments of the present application will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present application can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Referring to fig. 1 to 4, a casting process model structure for a double-shell differential shell according to an embodiment of the present utility model includes: the vertical pouring gate 1, the pouring gate nest 2, the filter residue piece outer die 3, the second transverse pouring gate 8, the third water inlet piece 9, the fourth water inlet piece 10, the fifth water inlet piece 12, the fourth transverse pouring gate 15, the first casting 20 and the second casting 21;
Referring to fig. 1 to 4, a sprue 1 is connected with a sprue nest 2, the sprue nest 2 is connected with a residue piece outer mold 3, a water outlet position of the residue piece outer mold 3 is connected with a second sprue 8, two ends of the second sprue 8 are respectively connected with a first sprue 6 and a third sprue 11, the tail end of the third sprue 11 is respectively provided with a first slag collecting ladle 4 and a second slag collecting ladle 13, the third sprue 11 is connected to a second casting 21 through a fourth water inlet piece 10 and a fifth water inlet piece 12, the second sprue 8 is connected with a fourth sprue 15 through a third water inlet piece 9, and two sides of the fourth sprue 15 are respectively provided with a sixth water inlet piece 14 and a seventh water inlet piece 16;
Referring to fig. 1 to 4, a first casting 20 and a second casting 21 are provided with a chilling column 17, the first casting 20 is provided with a first lower shaft hole solid structure 18 and a middle shaft hole solid boss structure 19, a first runner 6 is connected to the first casting 20 through a first water inlet piece 5 and a second water inlet piece 7, a sixth water inlet piece 14 is connected with the second casting 21, and a seventh water inlet piece 16 is connected with the first casting 20;
By adopting the technical scheme, the metal liquid loss and pressure reduction caused by graphitization expansion can be prevented through the transverse runner, and the wholly-enclosed casting, the axle center entity and the boss structure can fully utilize the eutectic graphitization expansion in the later solidification stage to offset solidification shrinkage, so that the purpose of eliminating shrinkage cavity is achieved, and the product quality is ensured.
The working principle of the utility model is as follows: the molten metal enters the first casting 20 and the second casting 21 respectively through the first water inlet piece 5, the second water inlet piece 7, the seventh water inlet piece 16, the sixth water inlet piece 14, the fourth water inlet piece 10 and the fifth water inlet piece 12, when the molten metal fills cavities of the second casting 21 and the second casting 21, the first lower shaft hole solid structure 18, the second lower shaft hole solid structure 23, the middle shaft hole solid boss structure 19 and the central shaft hole solid boss structure 22 are filled simultaneously, the chilling column 17 is filled finally until the whole filling process is completed, in the sequential solidification process, the first water inlet piece 5, the second water inlet piece 7, the seventh water inlet piece 16, the sixth water inlet piece 14, the fourth water inlet piece 10 and the fifth water inlet piece 12 are firstly solidified, so that the molten iron in the first casting 20, the second casting 21, the third cross runner 11, the first cross runner 6, the second cross runner 8 and the third cross runner 11 are completely separated, and become a closed whole, the graphite loss can not only be prevented, the whole expansion and compression of the graphite loss of the whole casting can be eliminated, and the whole expansion and compression of the cooling structure can be fully guaranteed, and the whole solidification quality can be guaranteed.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept, either as a result of the foregoing teachings or as a result of the knowledge or skills of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (6)
1. A casting process model structure for a double-shell differential shell, comprising:
The casting mold comprises a vertical pouring gate (1), a pouring gate nest (2), a filter residue piece outer mold (3), a second transverse pouring gate (8), a third water inlet piece (9), a fourth water inlet piece (10), a fifth water inlet piece (12), a fourth transverse pouring gate (15), a first casting (20) and a second casting (21);
The vertical pouring gate (1) is connected with the pouring gate nest (2), the pouring gate nest (2) is connected with the residue piece outer die (3), the water outlet position of the residue piece outer die (3) is connected with the second transverse pouring gate (8), the two ends of the second transverse pouring gate (8) are respectively connected with the first transverse pouring gate (6) and the third transverse pouring gate (11), the tail end of the third transverse pouring gate (11) is respectively provided with the first slag collecting ladle (4) and the second slag collecting ladle (13), the third transverse pouring gate (11) is connected to the second casting (21) through the fourth water inlet piece (10) and the fifth water inlet piece (12), the second transverse pouring gate (8) is connected with the fourth transverse pouring gate (15) through the third water inlet piece (9), and the two sides of the fourth transverse pouring gate (15) are respectively provided with the sixth water inlet piece (14) and the seventh water inlet piece (16).
2. A casting process model structure for a double-shell differential shell according to claim 1, characterized in that: and chilling columns (17) are arranged on the first casting (20) and the second casting (21).
3. A casting process model structure for a double-shell differential shell according to claim 2, characterized in that: the first casting (20) is provided with a first lower shaft hole solid structure (18) and a middle shaft hole solid boss structure (19).
4. A casting process model structure for a double-shell differential shell according to claim 3, characterized in that: the second casting (21) is provided with a central shaft hole solid boss structure (22) and a second lower shaft hole solid structure (23).
5. The casting process model structure for the double-shell differential shells according to claim 4, wherein: the first runner (6) is connected to the first casting (20) through a first water inlet piece (5) and a second water inlet piece (7).
6. The casting process model structure for the double-shell differential shells according to claim 5, wherein: the sixth water inlet piece (14) is connected with the second casting (21), and the seventh water inlet piece (16) is connected with the first casting (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322810753.6U CN221158520U (en) | 2023-10-19 | 2023-10-19 | Casting process model structure for double-shell differential shells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322810753.6U CN221158520U (en) | 2023-10-19 | 2023-10-19 | Casting process model structure for double-shell differential shells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221158520U true CN221158520U (en) | 2024-06-18 |
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ID=91535623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322810753.6U Active CN221158520U (en) | 2023-10-19 | 2023-10-19 | Casting process model structure for double-shell differential shells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221158520U (en) |
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2023
- 2023-10-19 CN CN202322810753.6U patent/CN221158520U/en active Active
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