CN219402213U - Casting stromatolite sand mould and sand mould forming die thereof - Google Patents
Casting stromatolite sand mould and sand mould forming die thereof Download PDFInfo
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- CN219402213U CN219402213U CN202320306362.8U CN202320306362U CN219402213U CN 219402213 U CN219402213 U CN 219402213U CN 202320306362 U CN202320306362 U CN 202320306362U CN 219402213 U CN219402213 U CN 219402213U
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- 239000004576 sand Substances 0.000 title claims abstract description 218
- 238000005266 casting Methods 0.000 title claims abstract description 66
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000009833 condensation Methods 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract description 7
- 238000005338 heat storage Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003110 molding sand Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a casting laminated sand mould which comprises a group of box sand moulds arranged in a laminated manner, wherein the group of box sand moulds comprises a bottom box sand mould, a middle box sand mould and an upper box sand mould which are sequentially arranged from bottom to top, the middle box sand mould is at least one layer of sand mould, and heat dissipation holes which are communicated are formed in the middle box sand mould and the upper box sand mould. The sand mold forming die comprises a die body, wherein a product model and a pouring channel model are arranged on the die body, a heat dissipation hole model is arranged on the die body close to the product model, and a sand port for injecting sand into a cavity of the die is arranged at the edge of the die body. The upper box sand mold and the middle box sand mold are respectively provided with a communicated radiating hole close to the product molding cavity, so that the high temperature of the sand core part in casting or the influence of excessive heat storage of the sand mold on product condensation is eliminated or relieved, the production efficiency is improved, and the product quality is ensured; and the integrated pouring cup is adopted, so that the production is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of casting, in particular to a casting laminated sand mould and a sand mould forming mould thereof.
Background
In the existing wear-resistant cast ball and cast segment production industry, most enterprises of cast ball and cast segment products with the diameter less than or equal to phi 50mm have to adopt manual modeling production, so that the production efficiency is relatively low, and the production occupation of land is large.
At present, with further aging of production workers, the recruitment is difficult, and the labor and pay level is continuously increased, so that the development or survival of enterprises is severely restricted; in order to improve production efficiency, the sand mold stacking technology is adopted for casting, more castings are cast at one time, high temperature is easy to occur in the sand mold, and condensation molding and quality of products are affected. The utility model discloses a pouring method casting stack sand mould as disclosed in chinese patent CN216540734U, including the sand mould that contains a plurality of air conditioner compressor piston ironcasting die cavity, the sand mould is equipped with two at least and stacks from down in proper order, and sand mould bottom horizontal direction is provided with sprue and riser in the axial, and sprue and riser pass through the sprue intercommunication, and the sprue link up and connect each air conditioner compressor piston ironcasting die cavity.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a casting laminated sand mould and a sand mould forming mould thereof, which can effectively improve the production efficiency and eliminate or relieve the high temperature of the core part of the sand mould in casting.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a casting stromatolite sand mould, includes a set of box sand mould that the stromatolite set up, a set of box sand mould includes from supreme bottom box sand mould, middle box sand mould and the last box sand mould that sets gradually down, middle box sand mould is the one deck sand mould at least, be equipped with the louvre that is linked together in middle box sand mould and the last box sand mould.
The bottom box sand mold, the middle box sand mold and the upper box sand mold are respectively provided with a product forming cavity, and radiating holes in the middle box sand mold and the upper box sand mold are arranged close to the product forming cavities.
And the edges of the bottom box sand mold, the middle box sand mold and the upper box sand mold are all provided with box closing steps.
And the bottom box sand mold, the middle box sand mold and the upper box sand mold are respectively internally provided with a communication pouring gate forming cavity.
And a pouring cup is integrally arranged at the top of the upper box sand mold.
And the pouring cup and the upper box sand mold are integrated.
The utility model provides a sand mould forming die for casting stromatolite sand mould shaping, includes the mould body, be equipped with product model and runner model on the mould body, lean on the product model to be equipped with the louvre model on the mould body or through setting up the round pin axle that is used for perforating formation louvre, the mould body edge is equipped with the logical sand mouth that is used for penetrating sand to the cavity of mould.
And a group of heating holes are formed in the die body.
The mold body is provided with a demolding mechanism for separating the sand mold, and the demolding mechanism comprises a reset plate and a demolding rod arranged on the reset plate.
And a radiating hole pin shaft for penetrating through the sand mold to form a sand mold radiating hole is arranged on the reset plate.
Compared with the prior art, the utility model has the following advantages:
the casting laminated sand mould and the sand mould forming mould thereof have reasonable structural design, and the upper box sand mould and the middle box sand mould are respectively provided with a communicated radiating hole close to a product forming cavity, so that the high temperature of the sand core part in casting or the influence of excessive heat storage of the sand mould on product condensation is eliminated or relieved, the production efficiency is improved, and meanwhile, the product quality is ensured; and the integrated pouring cup is adopted, so that the production is simple and convenient.
Drawings
The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:
FIG. 1 is a schematic view of a laminated sand mold of the present utility model.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic view of the present utility model in a sand mold.
FIG. 4 is a schematic cross-sectional view of the upper box sand mold of the present utility model.
Fig. 5 is a bottom view of fig. 4.
FIG. 6 is a schematic view of a bottom box sand mold of the present utility model.
Fig. 7 is a schematic cross-sectional view of fig. 6.
FIG. 8 is a schematic view of a sand mold forming die of the present utility model.
Fig. 9 is a top view of fig. 8.
Fig. 10 is a schematic view in partial cross-section of fig. 9.
In the figure:
1. loading a sand mold; 11. a product forming cavity I; 12. a cross gate forming cavity I; 13. a branch pouring channel forming cavity I; 14. a vertical pouring channel forming cavity I; 15. a box closing step I; 16. a heat dissipation hole I; 17. a pouring cup;
2. a middle box sand mold; 21. a product forming cavity II; 22. a cross gate forming cavity II; 23. branch pouring channel forming cavity II; 24. a vertical pouring channel forming cavity II; 25. a box closing step II; 26. a heat radiation hole II;
3. a bottom box sand mold; 31. a product forming cavity III; 32. a runner molding cavity III; 33. branch pouring channel forming cavity III; 35. closing a box step III;
4. a sand mould cavity;
5. a die body; 51. a product model; 52. a runner model; 53. a branch pouring channel model; 54. a sprue model; 55. a step model; 56. a heat dissipation hole model; 57. sand port; 58. heating the hole;
61. a reset lever; 62. a reset lever hole; 63. a stripping rod; 64. a stripping rod hole; 65. a reset plate; 66. a pressing plate; 67. a mould frame; 68. and a die carrier spacer sleeve.
Detailed Description
The following description of the embodiments of the present utility model refers to the accompanying drawings, which illustrate in further detail.
As shown in fig. 1 to 10, the casting laminated sand mold comprises a group of box sand molds which are arranged in a laminated manner, wherein the group of box sand molds comprises a bottom box sand mold 3, a middle box sand mold 2 and an upper box sand mold 1 which are sequentially arranged from bottom to top, the middle box sand mold is at least one layer of sand mold, and radiating holes which are communicated are formed in the middle box sand mold and the upper box sand mold, namely a radiating hole I16 formed in the upper box sand mold and a radiating hole II 26 formed in the middle box sand mold.
According to the utility model, the upper box sand mold and the middle box sand mold are both provided with the communicated radiating holes close to the product forming cavity, so that the problem that the product condensation is influenced due to high temperature of the sand core part in pouring or excessive heat storage of the sand mold is eliminated or alleviated, the production efficiency is improved, and meanwhile, the product quality is ensured.
The bottom box sand mold, the middle box sand mold and the upper box sand mold are respectively provided with a product forming cavity I11, a product forming cavity II 21 and a product forming cavity III 31; and the radiating holes in the middle box sand mold and the upper box sand mold are arranged by the product forming cavity.
The edges of the bottom box sand mould, the middle box sand mould and the upper box sand mould are respectively provided with a box closing step I15, a box closing step II 25 and a box closing step III 35.
The bottom box sand mold, the middle box sand mold and the upper box sand mold are respectively provided with a communicating pouring channel forming cavity; wherein, the bottom box sand mold is internally provided with a horizontal pouring gate forming cavity III 32 and a branch pouring gate forming cavity III 33 which are communicated, the middle box sand mold is internally provided with a horizontal pouring gate forming cavity II 22, a branch pouring gate forming cavity II 23 and a vertical pouring gate forming cavity II 24 which are communicated, and the upper box sand mold is internally provided with a horizontal pouring gate forming cavity I12, a branch pouring gate forming cavity I13 and a vertical pouring gate forming cavity I14 which are communicated.
The pouring cup 17 is integrally arranged at the top of the upper box sand mould; further, the pouring cup and the upper box sand mold are integrated; the integrated pouring cup is adopted, and the production is simple and convenient.
The utility model relates to a sand mould forming mould for casting laminated sand mould forming, which comprises a mould body 5, wherein a product model 51 and a pouring channel model are arranged on the mould body, a sand mould cavity 4 is correspondingly formed by the product model, a heat dissipation hole model 56 is arranged on the mould body close to the product model or a pin shaft for perforating to form a heat dissipation hole is arranged on the mould body, and a sand opening 57 for injecting sand into the cavity of the mould is arranged at the edge of the mould body.
The die body is provided with a set of heating holes 58. And a stripping mechanism for stripping the sand mold is arranged corresponding to the mold body, and comprises a reset plate 65 and a stripping rod 63 arranged on the reset plate; and a radiating hole pin shaft for penetrating through the sand mould to form a sand mould radiating hole is arranged on the reset plate.
Preferred examples of the present utility model are:
the wear-resistant casting ball, the casting section sand mould and the mould thereof realize multi-layer sand mould stack casting; the forming die is formed by two die bodies in a pairing mode to form 1 sand molding die.
1) The sand mould is provided with a heat dissipation hole; the radiating holes are communicated from bottom to top, so that rapid heat dissipation in the casting and product condensation process is met, and the influence on product condensation caused by excessive heat storage of the sand mould in the casting and product condensation process is avoided.
Correspondingly, the forming die of the wear-resistant casting ball and casting section sand mould is preferably provided with a corresponding cooling hole model; and forming a hole penetrating through the sand mould by the cooling hole mould in the sand mould forming process.
Or a heat dissipation hole pin shaft is arranged on a reset plate of the mold box mechanism so as to penetrate through the sand mold to form a sand mold heat dissipation hole.
2) The wear-resistant casting ball and casting section sand mould is provided with a pouring cup:
the pouring cup and the upper sand mould (namely the upper box) are integrally formed. The inner cavity of the pouring cup is communicated with the cross gate forming cavity through the vertical gate forming cavity.
Corresponding pouring cup forming die structures are arranged on the corresponding forming dies of the wear-resistant casting ball and casting section sand mold.
3) The sand mold is provided with a plurality of corresponding product forming cavities, a cross runner forming cavity, a branch runner forming cavity and a vertical runner forming cavity; the sand mould realizes batch casting products through box-in-box lamination pouring.
Correspondingly, a sand mold molding cavity is arranged on a molding die of the wear-resistant casting ball and casting section sand mold, and a plurality of corresponding product models, a horizontal pouring gate model 52, a branch pouring gate model 53 and a vertical pouring gate molding model 54 are arranged on the molding die.
The forming die of the wear-resistant casting ball and casting section sand mould consists of two matched dies to form a die cavity; the mould is provided with a sand port; and filling sand into the mold cavity through the sand filling port to be solidified into a sand mold.
The product models are arranged in a string; the model string is communicated with the cross gate model through the branch gate model.
The vertical pouring channel model is arranged on the horizontal pouring channel model, and the sand mould is communicated through the vertical pouring channel cavity to meet the smooth passing of molten metal during pouring.
4) The wear-resistant casting ball and the casting section sand mould realize one-time casting of 1 group of sand moulds by laminating a plurality of sand moulds.
The preferable wear-resistant casting ball and casting section sand mould are combined through corresponding positioning steps so as to realize lamination of a plurality of sand moulds. Correspondingly, a positioning step model 55 is arranged on a forming die of the wear-resistant casting ball and casting segment sand mould to generate corresponding sand mould positioning steps to manufacture the wear-resistant casting ball and casting segment sand mould with the mould assembling steps so as to realize lamination of a plurality of sand moulds and mould assembling.
Or the wear-resistant casting ball and the casting section sand mould are combined through corresponding positioning pins and positioning holes to realize lamination and combination of a plurality of sand moulds. Correspondingly, a forming die of the wear-resistant casting ball and casting section sand mould is provided with a positioning hole and a positioning pin model, and the positioning pin and the positioning hole of the sand mould are correspondingly formed so as to realize lamination and box combination of a plurality of sand moulds.
The mold principle is as follows:
a wear-resistant casting ball and casting section sand mould forming mould is shown in figures 8 to 10. The forming die of the wear-resistant casting ball and casting section sand mold is formed by pairing two die bodies, wherein 1 pair of die with a cavity is used for forming 1 middle box sand mold or 1 upper box sand mold or 1 bottom box sand mold; the middle box sand mould is made of a pair of middle box moulds; the upper box sand mould is made of 1 pair of upper box moulds; the bottom box sand mould is made of 1 pair of bottom box moulds. 2 molding dies of the wear-resistant casting ball and casting section sand mold are manufactured into a sand mold through die assembly and sand filling; the 2 molding dies of the wear-resistant casting ball and casting section sand mould realize sand mould slip-off through a die opening and stripping mechanism.
Two mould bodies are paired to form 1 pair of sand mould forming moulds to be fixed on modeling equipment, wherein 1 mould body is fixed on the modeling equipment, and the other 1 mould body is fixed on a sliding seat of the modeling equipment. The mold opening and closing of the mold are realized through the reciprocating movement of the sliding seat of the molding equipment.
A plurality of product models, a cross runner model, a branch runner model and a vertical runner forming model corresponding to the wear-resistant casting ball and casting section sand mold forming mould; the important point is that the wear-resistant casting ball and casting section sand mould forming mould is provided with a heat dissipation hole model; the wear-resistant casting ball and casting section sand mold forming mold is mainly provided with a pouring cup forming mold structure.
The wear-resistant casting ball and casting section sand mould forming mould is provided with a sand port; the mould cavity is filled with sand through the sand port and solidified into a sand mould. And (3) the sand mold after filling sand and curing in the mold cavity is taken off by a mold taking-off mechanism, so that the sand mold is continuously generated.
The box removing mechanism mainly comprises a reset rod 61, a material removing rod, a reset plate 65, a pressing plate 66, a die frame 67 and a die spacer sleeve 68. And a reset rod hole and a stripping rod hole are arranged on the corresponding mold body.
The reset rod and the stripping rod pass through the reset rod hole 62 and the stripping rod hole 63 of the die body through the reset plate respectively; the reset rod and the stripping rod pass through the reset plate and are plugged into a whole by 1 pressing plate; the reset plate is connected with the die body through bolts and keeps a movable distance with the die body. The movable distance of the stripping rod or the length of the stripping rod is restrained by the stripping mechanism through the reset rod, so that the sand mould can be successfully stripped through the stripping rod.
When the molding die is opened, the die on the sliding seat moves along with the sliding seat, the slip-off mechanism is static, and the sand in the die on the sliding seat is pushed out by the stripping rod to complete sand slip-off.
When the molding die is opened, the die carrying sand mold on the sliding seat moves along with the sliding seat, the box removing mechanism is static, and the radiating hole pin shaft arranged on the reset plate, the reset rod and the material removing rod are synchronously separated from the sand mold.
The wear-resistant cast ball and cast segment sand mold forming mold is suitable for hot molding of molding sand, a heating pipe is arranged in the mold forming mold, and the heating pipe is used for conducting heat supply to the wear-resistant cast ball and cast segment sand mold forming mold in the sand mold forming process to solidify the molding sand in a hot state.
The wear-resistant casting ball and casting section sand mould forming mould is also suitable for sand cold forming.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and the above-described technical features may be arbitrarily combined to form a plurality of embodiments of the present utility model.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without any modification, as long as the inventive concept and technical scheme are adopted.
Claims (10)
1. The utility model provides a casting stromatolite sand mould, includes a set of box sand mould that the stromatolite set up, its characterized in that: the box sand mould comprises a bottom box sand mould, a middle box sand mould and an upper box sand mould which are sequentially arranged from bottom to top, wherein the middle box sand mould is at least one layer of sand mould, and radiating holes which are communicated are formed in the middle box sand mould and the upper box sand mould.
2. A foundry stack sand mold as set forth in claim 1, wherein: the bottom box sand mold, the middle box sand mold and the upper box sand mold are respectively provided with a product forming cavity, and radiating holes in the middle box sand mold and the upper box sand mold are arranged close to the product forming cavities.
3. A foundry stack sand mold as set forth in claim 1, wherein: and the edges of the bottom box sand mold, the middle box sand mold and the upper box sand mold are all provided with box closing steps.
4. A foundry stack sand mold as set forth in claim 1, wherein: and the bottom box sand mold, the middle box sand mold and the upper box sand mold are respectively internally provided with a communication pouring gate forming cavity.
5. A foundry stack sand mold as set forth in claim 1, wherein: and a pouring cup is integrally arranged at the top of the upper box sand mold.
6. A foundry stack sand mold in accordance with claim 5 wherein: and the pouring cup and the upper box sand mold are integrated.
7. A sand mould forming die for casting lamination sand mould shaping, includes the mould body, be equipped with product model and runner model on the mould body, its characterized in that: the mold body is provided with a heat dissipation hole model by a product model or a pin shaft for punching to form heat dissipation holes, and the edge of the mold body is provided with a sand port for injecting sand into a cavity of the mold.
8. The sand molding die of claim 7, wherein: and a group of heating holes are formed in the die body.
9. The sand molding die of claim 7, wherein: the mold body is provided with a demolding mechanism for separating the sand mold, and the demolding mechanism comprises a reset plate and a demolding rod arranged on the reset plate.
10. A sand molding die as claimed in claim 9, wherein: and a radiating hole pin shaft for penetrating through the sand mold to form a sand mold radiating hole is arranged on the reset plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306362.8U CN219402213U (en) | 2023-02-24 | 2023-02-24 | Casting stromatolite sand mould and sand mould forming die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306362.8U CN219402213U (en) | 2023-02-24 | 2023-02-24 | Casting stromatolite sand mould and sand mould forming die thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219402213U true CN219402213U (en) | 2023-07-25 |
Family
ID=87207322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320306362.8U Active CN219402213U (en) | 2023-02-24 | 2023-02-24 | Casting stromatolite sand mould and sand mould forming die thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219402213U (en) |
-
2023
- 2023-02-24 CN CN202320306362.8U patent/CN219402213U/en active Active
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Denomination of utility model: A casting laminated sand mold and its sand mold forming mold Effective date of registration: 20231031 Granted publication date: 20230725 Pledgee: Ningguo Anhui rural commercial bank Limited by Share Ltd. Pledgor: Anhui Ningguo Xinning Industrial Co.,Ltd. Registration number: Y2023980063449 |