CN213288642U - Aluminum alloy wheel hub low pressure casting quick heat exchange thin wall mould - Google Patents
Aluminum alloy wheel hub low pressure casting quick heat exchange thin wall mould Download PDFInfo
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- CN213288642U CN213288642U CN202021868722.6U CN202021868722U CN213288642U CN 213288642 U CN213288642 U CN 213288642U CN 202021868722 U CN202021868722 U CN 202021868722U CN 213288642 U CN213288642 U CN 213288642U
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Abstract
The utility model discloses a low-pressure casting rapid heat exchange thin-wall die for an aluminum alloy wheel hub, which comprises an upper die, a lower die and a side die, wherein a wheel hub casting cavity is formed among the upper die, the lower die and the side die, and a raised reinforcing rib is formed on the inner wall surface of the upper die; the middle part of the outer side wall of the side die is provided with an inner cavity extending inwards, and outer protruding reinforcing ribs are formed on the inner wall surface of the inner cavity. The wall thickness of the upper die and the wall thickness of the side die are reduced, so that the quick heat conduction, heating and heat dissipation of the die are realized, the temperature of the die is quickly raised, the die filling is facilitated, and after the die filling is finished, a casting can be quickly cooled through the heat absorption and heat dissipation of the wall surface of the die, so that the casting is quickly cooled and formed and has a good effect; simultaneously, it sets up protruding strengthening rib and outer protruding strengthening rib, increases the intensity of the wall of mould and side forms, prevents to warp, has increased heat radiating area moreover, accelerates the radiating effect greatly.
Description
The technical field is as follows:
the utility model relates to a mould technical field is made to automobile wheel hub, and more specifically says and relates to a quick heat exchange thin wall mould of aluminum alloy wheel hub low pressure casting.
Background art:
the aluminum alloy hub casting mold is shown in figure 1 and comprises a lower mold, an upper mold, side molds and other main components, wherein each component corresponds to different functions, the side molds are mainly responsible for forming outer wheel rims, the upper mold is mainly responsible for forming the back surfaces of the inner wheel rims and the hub, the lower mold is mainly responsible for forming the surface of the hub, the hub cools and rapidly forms castings through cooling design in the casting process, the mold can reduce the temperature of the mold through continuous heat absorption and heat dissipation, the normal production process of products is achieved, and the products are guaranteed to meet performance requirements.
However, the wall thickness of the existing upper die and the side die is thick, the wall thickness of the side die is 30mm to 35mm, and the wall thickness of the upper die reaches 20mm to 25mm, so that the heat absorption is slow, namely, the surface heat meets the requirement, but the inside does not meet the requirement, the heat conduction is poor, and in the same way, when the heat dissipation is carried out, the surface is cooled, but the internal heat is still high, the heat dissipation effect is poor, and the hub casting molding effect is greatly influenced.
The utility model has the following contents:
the utility model aims at overcoming the defects of the prior art and providing a quick heat exchange thin-wall die for low-pressure casting of aluminum alloy hubs, which reduces the wall thickness of an upper die and the wall thickness of a side die, realizes quick heat conduction and heating and quick heat dissipation of the die, quickly raises the temperature of the die, is beneficial to mold filling, and can quickly cool a casting through the heat absorption and heat dissipation of the wall surface of the die after the mold filling is completed, so that the casting is quickly cooled and formed and has good cooling effect; simultaneously, it sets up protruding strengthening rib and outer protruding strengthening rib, increases the intensity of the wall of mould and side forms, prevents to warp, has increased heat radiating area moreover, accelerates the radiating effect greatly.
The utility model provides a technical problem's scheme is:
a low-pressure casting rapid heat exchange thin-wall die for an aluminum alloy hub comprises an upper die, a lower die and a side die, wherein a hub casting cavity is formed among the upper die, the lower die and the side die, and a raised reinforcing rib is formed on the inner wall surface of the upper die;
the middle part of the outer side wall of the side die is provided with an inner cavity extending inwards, and outer protruding reinforcing ribs are formed on the inner wall surface of the inner cavity.
The bottom surfaces of the lower die and the side dies are fixed on the base, the top surfaces of all the side dies are fixed on the upper connecting portion, the upper die is fixed on the bottom surface of the upper connecting portion, and a hub pouring forming cavity is formed among the upper die, the lower die and the side dies.
The wall thickness of the upper die is 13mm to 17 mm.
At least one raised reinforcing rib is formed on the inner wall surface of the upper die.
The thickness of protruding strengthening rib is 6mm to 10 mm.
The wall thickness of the side die is gradually thinned from top to bottom.
The upper end of the wall thickness of the side die is 15mm, and the lower end of the wall thickness of the side die is 12 mm.
At least two external raised reinforcing ribs are formed on the inner wall surface of the inner cavity of the side die.
The thickness of the outer protruding reinforcing ribs is 8mm to 12 mm.
The utility model discloses an outstanding effect is:
the wall thickness of the upper die and the wall thickness of the side die are reduced, so that the quick heat conduction, heating and heat dissipation of the die are realized, the temperature of the die is quickly raised, the die filling is facilitated, and after the die filling is finished, a casting can be quickly cooled through the heat absorption and heat dissipation of the wall surface of the die, so that the casting is quickly cooled and formed and has a good effect; simultaneously, it sets up protruding strengthening rib and outer protruding strengthening rib, increases the intensity of the wall of mould and side forms, prevents to warp, has increased heat radiating area moreover, accelerates the radiating effect greatly.
Description of the drawings:
FIG. 1 is a schematic structural view of a conventional mold;
fig. 2 is a schematic structural view of the integral mold of the present invention;
fig. 3 is a schematic view of a partial structure of the upper mold of the present invention;
FIG. 4 is a schematic view of a partial structure of the side form of the present invention;
fig. 5 is a partial structural schematic view of the outer wall surface of the side form of the present invention.
The specific implementation mode is as follows:
embodiment, as shown in fig. 2 to 4, most of the cross-sectional lines are omitted in all the drawings in this embodiment to ensure the lines to be clear. Wherein the shape line 100 of the hub required to be formed is shown in the hub casting cavity 4.
A low-pressure casting rapid heat exchange thin-wall die for an aluminum alloy hub comprises an upper die 1, a lower die 2 and a side die 3, wherein a hub casting cavity 4 is formed among the upper die 1, the lower die 2 and the side die 3, and a raised reinforcing rib 11 is formed on the inner wall surface of the upper die 1;
the middle part of the outer side wall of the side die 3 is provided with an inner cavity 31 extending inwards, and the inner wall surface of the inner cavity 31 is formed with an outer convex reinforcing rib 32.
Further, the bottom surfaces of the lower die 2 and the side dies 3 are fixed on the base 10, the top surfaces of all the side dies 3 are fixed on the upper connecting portion 20, the upper die 1 is fixed on the bottom surface of the upper connecting portion 20, and a hub casting cavity 4 is formed among the upper die 1, the lower die 2 and the side dies 3.
Further, the wall thickness of the upper die 1 is 13mm to 17 mm.
Furthermore, at least one convex reinforcing rib 11 is formed on the inner wall surface of the upper die 1.
Furthermore, the thickness of the raised reinforcing ribs 11 is 6mm to 10 mm.
Further, the wall thickness of the side form 3 is gradually thinner from top to bottom.
Furthermore, the upper end of the wall thickness of the side die 3 is 15mm, and the lower end is 12 mm.
Furthermore, at least two external convex reinforcing ribs 32 are formed on the inner wall surface of the inner cavity 31 of the side die 3.
Further, the thickness of the outer protruding reinforcing ribs 32 is 8mm to 12 mm.
In the embodiment, a raised reinforcing rib 11 is formed on the inner wall surface of the upper die 1, and the thickness of the raised reinforcing rib is 8 mm; two outer protruding reinforcing ribs 32 are formed on the inner wall surface of the inner cavity 31 of the side die 3, the thickness of the outer protruding reinforcing ribs 32 is 10mm, and the wall thickness of the upper die 1 is 15 mm. It makes the wall thickness of last mould 1 and the wall thickness greatly reduced of side forms 3 to make the temperature rise of last mould 1 and side forms 3 fast, do benefit to and fill the type, fill that the type is accomplished the back foundry goods and can cool off fast through the wall heat absorption heat dissipation of last mould 1 and side forms 3, make the quick effectual of foundry goods cooling forming.
Simultaneously, it has protruding strengthening rib 11 on the internal face of last mould 1 shaping, and the shaping has outer protruding strengthening rib 32 on touching 3 inner chamber 31 internal face to increased the intensity of going up the wall of mould 1 and side forms 3, prevented to warp, simultaneously, protruding strengthening rib 11 and outer protruding strengthening rib 32 have increased heat radiating area, thereby improve the radiating effect that mould 1 and limit touched 3 greatly, its is effectual, efficient.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (9)
1. The utility model provides an aluminum alloy wheel hub low pressure casting quick heat exchange thin wall mould, includes mould (1), lower mould (2) and side forms (3), goes up and forms wheel hub pouring molding cavity (4), its characterized in that between mould (1), lower mould (2) and side forms (3): the inner wall surface of the upper die (1) is formed with a raised reinforcing rib (11);
the middle part of the outer side wall of the side die (3) is provided with an inner cavity (31) extending inwards, and an outer protruding reinforcing rib (32) is formed on the inner wall surface of the inner cavity (31).
2. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 1, wherein: the bottom surfaces of the lower die (2) and the side dies (3) are fixed on the base (10), the top surfaces of all the side dies (3) are fixed on the upper connecting portion (20), the upper die (1) is fixed on the bottom surface of the upper connecting portion (20), and a hub pouring forming cavity (4) is formed among the upper die (1), the lower die (2) and the side dies (3).
3. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 1, wherein: the wall thickness of the upper die (1) is 13 mm-17 mm.
4. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 1, wherein: at least one raised reinforcing rib (11) is formed on the inner wall surface of the upper die (1).
5. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 1, wherein: the thickness of the raised reinforcing ribs (11) is 6mm to 10 mm.
6. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 1, wherein: the wall thickness of the side die (3) is gradually thinned from top to bottom.
7. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 6, wherein: the upper end of the wall thickness of the side die (3) is 15mm, and the lower end of the wall thickness of the side die is 12 mm.
8. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 1, wherein: at least two externally-raised reinforcing ribs (32) are formed on the inner wall surface of the inner cavity (31) of the side die (3).
9. The aluminum alloy hub low-pressure casting rapid heat exchange thin-wall die as claimed in claim 1, wherein: the thickness of the outer protruding reinforcing ribs (32) is 8mm to 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868722.6U CN213288642U (en) | 2020-09-01 | 2020-09-01 | Aluminum alloy wheel hub low pressure casting quick heat exchange thin wall mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868722.6U CN213288642U (en) | 2020-09-01 | 2020-09-01 | Aluminum alloy wheel hub low pressure casting quick heat exchange thin wall mould |
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| Publication Number | Publication Date |
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| CN213288642U true CN213288642U (en) | 2021-05-28 |
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| CN202021868722.6U Active CN213288642U (en) | 2020-09-01 | 2020-09-01 | Aluminum alloy wheel hub low pressure casting quick heat exchange thin wall mould |
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