CN220445029U - Casting nozzle for casting and rolling aluminum alloy - Google Patents
Casting nozzle for casting and rolling aluminum alloy Download PDFInfo
- Publication number
- CN220445029U CN220445029U CN202321917404.8U CN202321917404U CN220445029U CN 220445029 U CN220445029 U CN 220445029U CN 202321917404 U CN202321917404 U CN 202321917404U CN 220445029 U CN220445029 U CN 220445029U
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- Prior art keywords
- aluminum
- aluminum liquid
- casting
- bottom plate
- rolling
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- 238000005266 casting Methods 0.000 title claims abstract description 56
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 30
- 238000005096 rolling process Methods 0.000 title claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 133
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 133
- 239000007788 liquid Substances 0.000 claims abstract description 129
- 230000001012 protector Effects 0.000 claims abstract description 29
- 230000000903 blocking effect Effects 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 239000004411 aluminium Substances 0.000 claims description 14
- 239000011324 bead Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 238000009826 distribution Methods 0.000 abstract description 14
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model relates to the technical field of aluminum alloy casting and rolling, in particular to a casting nozzle for aluminum alloy casting and rolling. The casting nozzle comprises a bottom plate and an upper cover plate arranged above the bottom plate, wherein anti-sticking coatings are arranged on the inner walls of the bottom plate and the upper cover plate, and angle protectors are symmetrically arranged on the inner sides of the bottom plate; the two corner protectors are respectively provided with a barrier strip at one side close to each other, an aluminum liquid inlet is arranged between the two barrier strips, and a liquid blocking component and two groups of aluminum liquid blocking pieces are also arranged on the bottom plate; the liquid blocking member comprises a large stop block, side stop bars are symmetrically arranged on two sides of the large stop block, and a first aluminum liquid flow passage is formed by the liquid blocking member and the space between the stop bars. The utility model adopts a three-stage aluminum liquid distribution mode, can uniformly and smoothly distribute the aluminum liquid, ensures that the temperature of the aluminum liquid in the casting nozzle cavity is more uniform, improves the uniformity of aluminum liquid crystallization, reduces the phenomenon that the aluminum alloy cast-rolling plate surface has color difference bright strips and bright bands, and improves the quality of the aluminum alloy cast-rolling plate surface.
Description
Technical Field
The utility model relates to the technical field of aluminum alloy casting and rolling, in particular to a casting nozzle for aluminum alloy casting and rolling.
Background
The casting nozzle is a key component in the casting and rolling production of the aluminum alloy, the casting nozzle is a direct part for conveying and distributing aluminum liquid, the internal structure of the casting nozzle is critical to the stable casting and rolling production of the aluminum alloy and the quality of the aluminum alloy product is improved, and the temperature field and the flow velocity field in the cavity of the casting nozzle can influence the quality of the cast and rolled aluminum alloy blank. At present, the requirement on the quality of the cast-rolled aluminum alloy plate surface is higher, for example, medical double zero foil, the surface of the medical double zero foil does not allow color difference bright strips, as shown in fig. 3, a primary distribution casting nozzle is adopted in the prior art aluminum alloy cast-rolling production, however, the temperature field and the flow velocity field of a cavity in the primary distribution casting nozzle are easy to be uneven, aluminum liquid cannot be uniformly and smoothly distributed, the temperature of the aluminum liquid at the inner part of the cavity is too high, the phenomenon of color difference bright strips is caused on the aluminum alloy cast-rolled plate surface, the uniformity of the aluminum liquid crystallization is influenced, and the production quality of aluminum alloy products is further influenced; and the aluminum liquid is easy to slag and agglomerate in the cavity of the primary distribution casting nozzle, so that the internal structure of the primary distribution casting nozzle is changed, and the distribution of the aluminum liquid is also influenced.
Disclosure of Invention
The utility model provides a casting nozzle for aluminum alloy casting and rolling, which solves the problems that in the prior art, a casting nozzle for primary distribution cannot uniformly and smoothly distribute aluminum liquid, the temperature of the aluminum liquid at partial positions in a cavity is too high, and the aluminum liquid is easy to form slag and agglomerate in the cavity.
In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides an aluminum alloy is cast and is rolled with casting and chew, includes the bottom plate and sets up the upper cover plate in the bottom plate top, all be equipped with antiseized coating on the inner wall of bottom plate and upper cover plate, the inboard symmetry of bottom plate is provided with the angle bead, be provided with the shoulder on the angle bead, two one side that the angle bead is close to each other all is provided with the blend stop, two be provided with the aluminium liquid import between the blend stop, bottom plate and upper cover plate are connected through the angle bead, and the clearance between bottom plate and the upper cover plate constitutes and casts and chews the die cavity.
The aluminum liquid distributor is characterized in that a liquid blocking member is further arranged on the bottom plate and comprises a large stop block, side stop bars are symmetrically arranged on two sides of the large stop block and located between the corner protector and the large stop block, a first aluminum liquid flow channel is formed by the liquid blocking member and the space between the stop bars, and primary distribution is carried out on aluminum liquid entering from an aluminum liquid inlet through a liquid blocking assembly.
The two sides of the large stop block are symmetrically provided with small stop blocks, the corner protectors and the large stop blocks are arranged at intervals, and the intervals between the small stop blocks, the shoulders and the side stop bars form a second molten aluminum flow passage; two groups of aluminum liquid blocking pieces are symmetrically arranged on the bottom plate, each group of aluminum liquid blocking pieces comprises two diamond-shaped check blocks, one diamond-shaped check block is located between the corner protector and the small check block, the other diamond-shaped check block is located between the small check block and the large check block, secondary distribution is carried out on aluminum liquid through the small check block, and tertiary distribution is carried out on aluminum liquid through the aluminum liquid blocking pieces.
Furthermore, the anti-sticking coating is a boron nitride coating, and slag and caking of the aluminum liquid in the cavity of the casting nozzle can be effectively prevented through the boron nitride coating.
Further, the angle bead sets up the corner at the bottom plate, the bottom length of angle bead is 50cm, the length of blend stop is 63cm, width is 2cm, and the angle bead is used for connecting the upper cover plate, still plays the effect of water conservancy diversion to the aluminium liquid simultaneously.
Further, the aluminum liquid inlet is communicated with the first aluminum liquid flow channel, the width of the aluminum liquid inlet is 8cm, and the width of the first aluminum liquid flow channel is 6cm.
Further, the two diamond-shaped check blocks are respectively positioned right above the opening of the second molten aluminum runner, and the width of the second molten aluminum runner is 5cm.
Further, the interval between one diamond-shaped stop block and the large stop block and the small stop block forms a third aluminum liquid flow channel, the interval between the other diamond-shaped stop block and the small stop block and the corner protector forms a fourth aluminum liquid flow channel, and the aluminum liquid flows into the second aluminum liquid channel and can flow out of the third aluminum liquid channel and the fourth aluminum liquid channel.
Further, the third aluminum liquid flow channel and the fourth aluminum liquid flow channel are communicated with the second aluminum liquid flow channel, and the widths of the third aluminum liquid flow channel and the fourth aluminum liquid flow channel are 3cm.
Through the technical scheme, the utility model has the beneficial effects that:
the aluminum liquid distribution device has reasonable structure and good use effect, adopts a three-stage aluminum liquid distribution mode, can ensure that the aluminum liquid flows uniformly and smoothly, and enhances the flowing stability of the aluminum liquid; meanwhile, the temperature of the aluminum liquid in the die cavity of the casting nozzle is more uniform, the uniformity of aluminum liquid crystallization and the uniformity of aluminum alloy casting and rolling plate grains are improved, the phenomenon that the aluminum alloy casting and rolling plate surface has color difference bright strips is reduced, and the quality of the aluminum alloy casting and rolling plate surface is improved.
According to the utility model, the effect of three-level aluminum liquid distribution is achieved through the liquid blocking member, the small stop block and the aluminum liquid blocking member, so that the aluminum liquid uniformly and smoothly flows in the cavity of the casting nozzle; through scribble boron nitride coating on the inner wall of bottom plate and upper cover plate, can prevent effectively that the phenomenon of slagging-off and caking from appearing in bottom plate and upper cover plate, still be convenient for simultaneously aluminium liquid flow in first aluminium liquid runner, second aluminium liquid runner and third aluminium liquid runner and fourth aluminium liquid runner to make the temperature of aluminium liquid more even.
Drawings
FIG. 1 is a schematic view showing the structure of a casting nozzle for casting and rolling an aluminum alloy according to the present utility model;
FIG. 2 is a schematic view of the structure of the base plate of the present utility model;
fig. 3 is a schematic view of the structure of a prior art primary distribution nozzle.
The reference numerals in the drawings are: 1 is a bottom plate, 2 is an upper cover plate, 3 is an angle bead, 4 is a baffle bar, 5 is an aluminum liquid inlet, 6 is a large stop block, 7 is a side baffle bar, 8 is a first aluminum liquid flow channel, 9 is a small stop block, 10 is a second aluminum liquid flow channel, 11 is a diamond stop block, and 12 is a shoulder.
Detailed Description
The utility model is further described with reference to the drawings and detailed description which follow:
in the description of the present utility model, it should be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 2, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1-2, a casting nozzle for casting and rolling aluminum alloy is made of ceramic fiber composite materials and comprises a bottom plate 1 and an upper cover plate 2 arranged above the bottom plate 1, anti-sticking coatings are arranged on the inner walls of the bottom plate 1 and the upper cover plate 2, corner protectors 3 are symmetrically arranged on the inner sides of the bottom plate 1, shoulders 12 are arranged on the corner protectors 3, barrier strips 4 are arranged on one sides, close to each other, of the two corner protectors 3, the barrier strips 4 are arranged at the edge of the bottom plate 1 at intervals, and aluminum liquid inlets 5 are arranged between the barrier strips 4. In this embodiment, the side walls of the corner protector 3, the large stop block 6, the stop bar 4, the side stop bar 7, the small stop block 9 and the diamond stop block 11 are coated with anti-sticking coatings, so that the phenomenon that aluminum liquid is bonded and agglomerated in the cavity of the casting nozzle can be effectively prevented, wherein the upper cover plate 2 is connected with the corner protector 3, the large stop block 6, the stop bar 4, the side stop bar 7, the small stop block 9 and the diamond stop block 11, a casting nozzle cavity is formed by a gap between the upper cover plate 2 and the bottom plate 1, and the aluminum liquid can be input into the casting nozzle cavity through the aluminum liquid inlet 5.
The bottom plate 1 is further provided with a liquid blocking member, the liquid blocking member comprises a large stop block 6, the upper section of the large stop block 6 is triangular, the lower section of the large stop block 6 is rectangular, side stop bars 7 are symmetrically arranged on two sides of the large stop block 6, the side stop bars 7 are located between the corner protector 3 and the large stop block 6, the space between the liquid blocking member and the stop bars 4 forms a first aluminum liquid flow channel 8, the side stop bars 7 are arranged at intervals with the corner protector 3, a gap between the side stop bars 7 and the corner protector 3 forms an outlet of the first aluminum liquid flow channel 8, and the width of the outlet of the first aluminum liquid flow channel 8 in the example is 5cm.
The two sides of the large stop block 6 are symmetrically provided with small stop blocks 9, the upper section of each small stop block 9 is triangular, the lower section of each small stop block 9 is rectangular, the small stop blocks 9, the corner protector 3 and the large stop block 6 are arranged at intervals, in the embodiment, the gap between each small stop block 9 and the corner protector 3 and the gap between each small stop block 6 form an outlet of a second aluminum liquid flow channel 10, the width of the outlet of each second aluminum liquid flow channel 10 is 4cm, the interval between each small stop block 9 and the shoulder 12 and the corresponding side stop strip 7 form a second aluminum liquid flow channel 10, and the second aluminum liquid flow channels 10 are communicated with the first aluminum liquid flow channels 8; two groups of aluminum liquid baffle pieces are symmetrically arranged on the bottom plate 1, each group of aluminum liquid baffle pieces comprises two diamond-shaped baffle blocks 11, one diamond-shaped baffle block 11 is positioned between the corner protector 3 and the small baffle block 9, and the other diamond-shaped baffle block 11 is positioned between the small baffle block 9 and the large baffle block 6.
The anti-sticking coating is a boron nitride coating, and can effectively prevent the phenomenon that aluminum liquid is bonded and agglomerated on the bottom plate 1 and the upper cover plate 2, and simultaneously, the aluminum liquid can flow in the cavity of the casting nozzle conveniently.
The corner protector 3 is arranged at the corner of the bottom plate 1, wherein an inclined notch is formed in the top of the corner protector 3 so as to be matched with the diamond-shaped stop block 11 to form a fourth molten aluminum flow passage, the bottom of the corner protector 3 is 50cm in length, and the stop strip 4 is 63cm in length and 2cm in width.
The aluminum liquid inlet 5 is communicated with the first aluminum liquid runner 8, the width of the aluminum liquid inlet 5 is 8cm, and the width of the first aluminum liquid runner 8 is 6cm.
The two diamond-shaped stoppers 11 are respectively positioned right above the opening of the second molten aluminum runner 10, and the width of the second molten aluminum runner 10 is 5cm. In this embodiment, aluminum liquid is injected into the first aluminum liquid flow channel 8 through the aluminum liquid inlet 5, flows into the second aluminum liquid flow channel 10 through the opening of the first aluminum liquid flow channel 8, flows out through the outlet of the second aluminum liquid flow channel 10, and is split by the diamond-shaped stop block 11.
The interval between one diamond-shaped stop block 11 and the large stop block 6 and the small stop block 9 forms a third aluminum liquid flow passage, and the interval between the other diamond-shaped stop block 11 and the small stop block 9 and the corner protector 3 forms a fourth aluminum liquid flow passage.
The third aluminum liquid flow channel and the fourth aluminum liquid flow channel are communicated with the second aluminum liquid flow channel 10, the widths of the third aluminum liquid flow channel and the fourth aluminum liquid flow channel are 3cm, and aluminum liquid flows out of the third aluminum liquid flow channel and the fourth aluminum liquid flow channel.
When the aluminum casting nozzle is used, aluminum liquid is injected into a casting nozzle cavity through an aluminum liquid inlet 5, enters a first aluminum liquid flow channel 8 and is split by a large stop block 6 and a side stop bar 7, then flows out from two outlets of the first aluminum liquid flow channel 8 and enters two second aluminum liquid flow channels 10, and the aluminum liquid is split by a small stop block 9; the molten aluminum entering the second molten aluminum runner 10 flows out from two outlets thereof and is split by the diamond-shaped stoppers 11, respectively, and then flows out from the third molten aluminum runner and the fourth molten aluminum runner, so that the molten aluminum flows out through the opening at the front end of the casting nozzle.
The above embodiments are only preferred embodiments of the utility model and do not limit the scope of the utility model, so all equivalent changes or modifications made by the technical solution described in the patent claims are included in the scope of the utility model.
Claims (7)
1. The casting nozzle for casting and rolling the aluminum alloy is characterized by comprising a bottom plate (1) and an upper cover plate (2) arranged above the bottom plate (1), anti-sticking coatings are arranged on the inner walls of the bottom plate (1) and the upper cover plate (2), corner protectors (3) are symmetrically arranged on the inner sides of the bottom plate (1), shoulders (12) are arranged on the corner protectors (3), barrier strips (4) are arranged on one sides, close to each other, of the two corner protectors (3), and an aluminum liquid inlet (5) is formed between the barrier strips (4);
the base plate (1) is also provided with a liquid blocking member, the liquid blocking member comprises a large stop block (6), side stop bars (7) are symmetrically arranged on two sides of the large stop block (6), the side stop bars (7) are positioned between the corner bead (3) and the large stop block (6), and a first aluminum liquid flow channel (8) is formed by the liquid blocking member and the space between the stop bars (4);
the two sides of the large stop block (6) are symmetrically provided with small stop blocks (9), the small stop blocks (9) are arranged at intervals with the corner protector (3) and the large stop block (6), and the intervals between the small stop blocks (9) and the shoulder (12) and the side stop bars (7) form a second molten aluminum flow passage (10); two groups of aluminum liquid baffle pieces are symmetrically arranged on the bottom plate (1), each group of aluminum liquid baffle pieces comprises two diamond-shaped baffle blocks (11), one diamond-shaped baffle block (11) is located between the corner protector (3) and the small baffle block (9), and the other diamond-shaped baffle block (11) is located between the small baffle block (9) and the large baffle block (6).
2. A nozzle for casting and rolling an aluminum alloy according to claim 1, wherein the release coating is a boron nitride coating.
3. Casting nozzle for casting and rolling aluminum alloy according to claim 1, characterized in that the corner protector (3) is arranged at the corner of the bottom plate (1), the bottom length of the corner protector (3) is 50cm, and the length of the barrier strip (4) is 63cm and the width is 2cm.
4. Casting nozzle for casting and rolling of aluminium alloy according to claim 1, characterized in that the aluminium inlet (5) is in communication with a first aluminium flow channel (8), the width of the aluminium inlet (5) being 8cm and the width of the first aluminium flow channel (8) being 6cm.
5. Casting nozzle for casting and rolling of aluminum alloy according to claim 1, characterized in that two of the diamond-shaped stoppers (11) are respectively located right above the opening of the second aluminum liquid runner (10), and the width of the second aluminum liquid runner (10) is 5cm.
6. Casting nozzle for casting and rolling of aluminium alloy according to claim 5, characterized in that the spacing between one of the diamond-shaped blocks (11) and the large block (6) and the small block (9) constitutes a third aluminium liquid runner, and the spacing between the other of the diamond-shaped blocks (11) and the small block (9) and the corner protector (3) constitutes a fourth aluminium liquid runner.
7. The casting nozzle for casting and rolling aluminum alloy according to claim 6, wherein the third aluminum liquid runner and the fourth aluminum liquid runner are communicated with the second aluminum liquid runner (10), and the widths of the third aluminum liquid runner and the fourth aluminum liquid runner are 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917404.8U CN220445029U (en) | 2023-07-20 | 2023-07-20 | Casting nozzle for casting and rolling aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917404.8U CN220445029U (en) | 2023-07-20 | 2023-07-20 | Casting nozzle for casting and rolling aluminum alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220445029U true CN220445029U (en) | 2024-02-06 |
Family
ID=89737085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321917404.8U Active CN220445029U (en) | 2023-07-20 | 2023-07-20 | Casting nozzle for casting and rolling aluminum alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220445029U (en) |
-
2023
- 2023-07-20 CN CN202321917404.8U patent/CN220445029U/en active Active
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