CN214023350U - A casting device for aluminum alloy castings - Google Patents
A casting device for aluminum alloy castings Download PDFInfo
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- CN214023350U CN214023350U CN202022769250.5U CN202022769250U CN214023350U CN 214023350 U CN214023350 U CN 214023350U CN 202022769250 U CN202022769250 U CN 202022769250U CN 214023350 U CN214023350 U CN 214023350U
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- 238000005266 casting Methods 0.000 title claims abstract description 72
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 3
- 208000015943 Coeliac disease Diseases 0.000 abstract 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005429 filling process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
本实用新型公开了一种铝合金铸件的铸造装置，其包括冒口和浇注装置；所述冒口与待浇注的铸件相连接，用于铸件凝固时的补缩；所述浇注装置包括第一直浇道、第一横浇道、第一立筒、第一内浇道、第二立筒、第二内浇道、第三内浇道、第三立筒、第四内浇道、第四立筒、第二横浇道和第二直浇道，以实现浇注系统对铸件的浇注。本实用新型可实现铝合金液的平稳流动，避免紊流和飞溅的发生。在本实用新型的浇注装置中具有两个直浇道，能够使得铝液充型稳定，顺序凝固，减少铸件成型后的孔隙率；通过在铸件热节增加冒口来改进铸造装置，极大的减少了缩松、缩孔等缺陷的发生，提高了铸件的合格率。
The utility model discloses a casting device for an aluminum alloy casting, which comprises a riser and a pouring device; the riser is connected with the casting to be poured, and is used for feeding when the casting is solidified; the pouring device comprises a first sprue, first runner, first vertical tube, first runner, second vertical tube, second runner, third runner, third vertical tube, fourth runner, first runner Four vertical cylinders, a second runner and a second sprue are used to realize the pouring of the castings by the gating system. The utility model can realize the smooth flow of the aluminum alloy liquid and avoid the occurrence of turbulent flow and splashing. There are two sprues in the pouring device of the utility model, which can make the aluminum liquid fill the mold stably, solidify sequentially, and reduce the porosity after the casting is formed; the casting device is improved by increasing the riser at the hot joint of the casting, which greatly reduces the porosity of the casting. The occurrence of defects such as shrinkage porosity and shrinkage cavity is reduced, and the qualification rate of castings is improved.
Description
Technical Field
The utility model belongs to the technical field of the casting, concretely relates to casting device of aluminum alloy casting.
Background
The aluminum alloy has small density, small volume heat capacity and large heat conductivity, so that the temperature of the aluminum liquid can be rapidly reduced in the flowing process, the aluminum liquid is easy to oxidize and absorb air, and the specific gravity of the oxide is similar to that of the aluminum liquid, so that the oxide mixed in the aluminum liquid is difficult to float. The volume shrinkage of the solidified aluminum liquid is large, and the defects of shrinkage cavity, shrinkage porosity and the like are easily generated. According to the characteristics, the requirements on the aluminum alloy gating system are as follows: ensures the stable filling process, does not generate the phenomena of vortex, splash and impact, and is beneficial to feeding.
Thin-wall castings with simple structure and small height and small and medium-sized thick-wall castings with high compactness requirements and high requirements and needing to be fed by a top riser are usually provided with a top pouring type pouring system, a pouring gate is directly arranged above the castings, and liquid flow directly fills the molds downwards from the tops of the castings after passing through a pouring gate. The former top pouring system is easy to generate sputtering, turbulence and entrainment due to large impact force of solution, so that castings have the defects of sand holes, iron beans, air holes, oxidation slag inclusion and the like, and the qualification rate of products is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect among the prior art to a casting device of aluminum alloy casting is provided. The device can stabilize the mold filling process of the aluminum alloy casting, avoid the phenomena of vortex, splash and impact and is beneficial to feeding.
The utility model discloses the concrete technical scheme who adopts as follows:
the casting device of the aluminum alloy casting comprises a riser and a pouring device; the riser is connected with a casting to be poured and is used for feeding when the casting is solidified; the pouring device comprises a first straight pouring gate, a first cross pouring gate, a first vertical cylinder, a first inner pouring gate, a second vertical cylinder, a second inner pouring gate, a third vertical cylinder, a fourth inner pouring gate, a fourth vertical cylinder, a second cross pouring gate and a second straight pouring gate;
the first straight pouring channel is connected with the first cross pouring channel; the first vertical cylinder is connected with the first cross pouring channel and the first inner pouring channel; the second vertical cylinder is connected with the first horizontal pouring channel and the second ingate; the second straight pouring channel is connected with the second horizontal pouring channel; the third vertical cylinder is connected with the second horizontal pouring channel and the third ingate; the fourth vertical cylinder is connected with the second cross pouring channel and the fourth inner pouring channel; and outlet ends of the first ingate, the second ingate, the third ingate and the fourth ingate are connected in a casting cavity to be poured so as to realize pouring of the casting by a pouring system.
Preferably, the feeder is provided in plurality.
Furthermore, a plurality of risers are vertically and uniformly arranged at the top of the casting to be poured.
Preferably, the number of the risers is four, and the risers are provided at positions corresponding to the first vertical cylinder, the second vertical cylinder, the third vertical cylinder, and the fourth vertical cylinder, respectively.
Preferably, the bottom of all the vertical cylinders is provided with a buffer groove.
Further, the buffer groove is a groove which is concave downwards.
Preferably, all of the ingates are in the shape of a flat right-angled trapezoid with the hypotenuse facing downward.
Preferably, the first straight pouring gate and the second straight pouring gate are respectively arranged at two symmetrical sides of the casting to be poured.
Furthermore, the first straight pouring gate is arranged in the middle of the first horizontal pouring gate, and the second straight pouring gate is arranged in the middle of the second horizontal pouring gate.
Furthermore, the first vertical cylinder and the second vertical cylinder are respectively arranged at two ends of the first cross gate, and the third vertical cylinder and the fourth vertical cylinder are respectively arranged at two ends of the second cross gate.
Compared with the prior art, the utility model, following beneficial effect has:
aluminum alloy liquid enters the first cross gate and the second cross gate from the first straight gate and the second straight gate, and researches prove that the design of the two straight gates ensures that the aluminum liquid is stably filled, and the aluminum liquid is sequentially solidified and the porosity is reduced; the sectional area of the horizontal pouring gate is larger than that of the straight pouring gate, so that the flow velocity of the aluminum alloy liquid in the horizontal pouring gate is low, then the aluminum alloy liquid flows into the vertical cylinder, the bottom of the vertical cylinder is provided with a vertical cylinder buffer groove which is sunken downwards, and the aluminum alloy liquid can stably enter the inner pouring gate from the vertical cylinder; and finally, aluminum alloy liquid enters the casting cavity from the ingate, the ingate adopts a flat right trapezoid shape, the inclined edge faces downwards, the impact force of the molten metal on the cavity is greatly reduced, the mold filling process of the molten aluminum is stable, and the phenomena of vortex, splashing and impact are avoided.
The utility model discloses can realize the steady flow of aluminum alloy liquid, avoid turbulent flow and the emergence that splashes. The pouring device of the utility model is provided with two straight pouring channels, which can ensure that the molten aluminum is stably filled and is sequentially solidified, and the porosity of the casting after molding is reduced; the casting device is improved by adding a dead head at the casting hot spot, so that the defects of shrinkage porosity, shrinkage cavity and the like are greatly reduced, and the qualification rate of the casting is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
the reference numbers in the figures are: 1. a first sprue; 2. a first runner; 3. a first vertical cylinder; 3a, a first vertical cylinder buffer tank; 4. a first ingate; 5. a second vertical cylinder; 5a, a second vertical cylinder buffer tank; 6. a second ingate; 7. a riser; 8. a third ingate; 9. a third vertical cylinder; 9a, a third vertical cylinder buffer tank; 10. a fourth ingate; 11. a fourth vertical cylinder; 11a, a fourth vertical cylinder buffer tank; 12. a second runner; 13. a second sprue.
Detailed Description
The invention will be further elucidated and described with reference to the drawings and embodiments. The utility model discloses in the technical characteristics of each embodiment under the prerequisite that does not conflict each other, all can carry out corresponding combination.
As shown in FIGS. 1-3, for the utility model provides a casting device of aluminum alloy casting, this casting device includes rising head 7 and pouring device. The riser 7 is connected with the casting to be poured and is used for feeding when the casting is solidified. The pouring device comprises a first sprue 1, a first cross runner 2, a first vertical cylinder 3, a first ingate 4, a second vertical cylinder 5, a second ingate 6, a third ingate 8, a third vertical cylinder 9, a fourth ingate 10, a fourth vertical cylinder 11, a second cross runner 12 and a second sprue 13.
Wherein the first sprue 1 is connected to the first runner 2. The first vertical cylinder 3 is connected to the first cross runner 2 and the first ingate 4. A second riser 5 is connected to the first runner 2 and the second ingate 6. The second sprue 13 is connected to the second runner 12. The third riser 9 is connected to the second runner 12 and the third ingate 8. A fourth riser 11 is connected to the second runner 12 and the fourth ingate 10. The outlet ends of the first ingate 4, the second ingate 6, the third ingate 8 and the fourth ingate 10 are connected in a casting cavity to be poured so as to realize the pouring of the casting by a pouring system.
In practical application, in order to avoid defects of the casting in each part in the solidification process, metal is supplied in time, the risers 7 can be arranged to be multiple, and the plurality of risers 7 are vertically and uniformly arranged on the top of the casting to be poured in the circumferential direction. In this embodiment, four risers 7 may be provided at positions corresponding to the first vertical cylinder 3, the second vertical cylinder 5, the third vertical cylinder 9, and the fourth vertical cylinder 11, respectively.
In order to further prevent the aluminum alloy liquid from splashing, the bottoms of all the vertical cylinders can be provided with buffer grooves which are sunken downwards. That is, a first vertical tube buffer groove 3a recessed downward is provided in the bottom of the first vertical tube 3, a second vertical tube buffer groove 5a recessed downward is provided in the bottom of the second vertical tube 5, a third vertical tube buffer groove 9a recessed downward is provided in the bottom of the third vertical tube 9, and a fourth vertical tube buffer groove 11a recessed downward is provided in the bottom of the fourth vertical tube 11. All the ingates can be also set to be in a shape of a flat right trapezoid with a downward inclined edge so as to prevent the aluminum alloy liquid impact phenomenon.
In addition, in order to enable the added aluminum alloy liquid to enter the casting cavity more uniformly and synchronously, the device can be arranged symmetrically, namely, the first sprue 1 and the second sprue 13 are respectively arranged at two symmetrical sides of the casting to be poured, the first sprue 1 is arranged at the middle position of the first cross gate 2, the second sprue 13 is arranged at the middle position of the second cross gate 12, the first vertical cylinder 3 and the second vertical cylinder 5 are respectively arranged at two ends of the first cross gate 2, and the third vertical cylinder 9 and the fourth vertical cylinder 11 are respectively arranged at two ends of the second cross gate 12.
When the casting device is used for casting an aluminum alloy casting, aluminum alloy liquid enters the casting device from the first sprue 1 and the second sprue 13 at the same time, two strands of aluminum alloy liquid respectively enter the first runner 2 and the second runner 12, and the flow rate of the aluminum alloy liquid can be reduced because the flow sectional area of the first runner 2 and the second runner 12 is larger than that of the first sprue 1 and the second sprue 13. Then the aluminum alloy liquid in the first cross gate 2 flows into the first vertical cylinder 3 and the second vertical cylinder 5 respectively; the aluminum alloy liquid in the second horizontal pouring channel 2 flows into the third vertical cylinder 9 and the fourth vertical cylinder 11 respectively; the four strands of aluminum alloy liquid enter a first ingate 4, a second ingate 6, a third ingate 8 and a fourth ingate 10 which are in flat right-angled trapezoids and have downward inclined edges through the retarding effects of a first vertical cylinder buffer groove 3a, a second vertical cylinder buffer groove 5a, a third vertical cylinder buffer groove 9a and a fourth vertical cylinder buffer groove 11a respectively. Finally, four aluminum alloy liquids are smoothly filled into the casting cavity along the inclined edges of the four ingates (i.e., the first ingate 4, the second ingate 6, the third ingate 8 and the fourth ingate 10). The pouring process is stable, and eddy, splashing and impact phenomena cannot occur due to the matching effect of pouring channels of the device.
The above-mentioned embodiments are merely a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
Claims (10)
1. The casting device of the aluminum alloy casting is characterized by comprising a riser (7) and a pouring device; the riser (7) is connected with a casting to be poured and is used for feeding when the casting is solidified; the pouring device comprises a first straight pouring channel (1), a first cross pouring channel (2), a first vertical cylinder (3), a first inner pouring channel (4), a second vertical cylinder (5), a second inner pouring channel (6), a third inner pouring channel (8), a third vertical cylinder (9), a fourth inner pouring channel (10), a fourth vertical cylinder (11), a second cross pouring channel (12) and a second straight pouring channel (13);
the first straight pouring channel (1) is connected with the first horizontal pouring channel (2); the first vertical cylinder (3) is connected with the first horizontal pouring channel (2) and the first ingate (4); the second vertical cylinder (5) is connected with the first horizontal pouring channel (2) and the second ingate (6); the second straight pouring channel (13) is connected with the second horizontal pouring channel (12); the third vertical cylinder (9) is connected with the second horizontal pouring channel (12) and the third ingate (8); the fourth vertical cylinder (11) is connected with the second horizontal pouring channel (12) and the fourth ingate (10); the outlet ends of the first ingate (4), the second ingate (6), the third ingate (8) and the fourth ingate (10) are connected in a casting cavity to be poured so as to realize pouring of the casting system to the casting.
2. Casting device according to claim 1, characterized in that said riser (7) is a plurality.
3. The casting device according to claim 2, characterized in that a plurality of said risers (7) are vertically and uniformly arranged on top of the casting to be poured.
4. The casting apparatus according to claim 1, wherein the number of the risers (7) is four, and the risers are provided at positions corresponding to the first vertical cylinder (3), the second vertical cylinder (5), the third vertical cylinder (9), and the fourth vertical cylinder (11), respectively.
5. The casting apparatus according to claim 1, wherein the bottoms of all the vertical cylinders are provided with buffer grooves.
6. The casting apparatus according to claim 5, wherein the buffer tank is a groove recessed downward.
7. A casting apparatus according to claim 1, wherein all of the ingates are in the shape of flat right trapezoids with the hypotenuse facing downwards.
8. A casting device according to claim 1, characterized in that the first sprue (1) and the second sprue (13) are arranged on symmetrical sides, respectively, of the casting to be poured.
9. A casting device according to claim 8, characterized in that the first sprue (1) is provided in an intermediate position of the first runner (2) and the second sprue (13) is provided in an intermediate position of the second runner (12).
10. A casting device according to claim 9, wherein the first and second vertical cylinders (3, 5) are provided at both ends of the first runner (2), respectively, and the third and fourth vertical cylinders (9, 11) are provided at both ends of the second runner (12), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022769250.5U CN214023350U (en) | 2020-11-25 | 2020-11-25 | A casting device for aluminum alloy castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022769250.5U CN214023350U (en) | 2020-11-25 | 2020-11-25 | A casting device for aluminum alloy castings |
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| CN214023350U true CN214023350U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022769250.5U Active CN214023350U (en) | 2020-11-25 | 2020-11-25 | A casting device for aluminum alloy castings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433790A (en) * | 2022-04-08 | 2022-05-06 | 宁波全力机械模具有限公司 | Top pouring type casting mold |
| CN114653896A (en) * | 2022-04-28 | 2022-06-24 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
-
2020
- 2020-11-25 CN CN202022769250.5U patent/CN214023350U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433790A (en) * | 2022-04-08 | 2022-05-06 | 宁波全力机械模具有限公司 | Top pouring type casting mold |
| CN114433790B (en) * | 2022-04-08 | 2022-07-15 | 宁波全力机械模具有限公司 | Top pouring type casting mold |
| CN114653896A (en) * | 2022-04-28 | 2022-06-24 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
| CN114653896B (en) * | 2022-04-28 | 2023-10-27 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
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