CN110947933A - Water mist cooling structure of low-pressure casting die for aluminum alloy wheel - Google Patents
Water mist cooling structure of low-pressure casting die for aluminum alloy wheel Download PDFInfo
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- CN110947933A CN110947933A CN201911411489.0A CN201911411489A CN110947933A CN 110947933 A CN110947933 A CN 110947933A CN 201911411489 A CN201911411489 A CN 201911411489A CN 110947933 A CN110947933 A CN 110947933A
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- water
- transition
- branch pipe
- water inlet
- water tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
Abstract
The invention relates to the field of automobile part casting, and discloses a water mist cooling structure of an aluminum alloy wheel low-pressure casting die, which comprises an upper die, wherein an annular water tank is arranged on the upper die, a water tank cover is arranged at the outer end of the water tank, a plurality of uniformly distributed transition holes are formed in the water tank, transition joints are arranged at the outer ends of the transition holes, transition joint cavities communicated with the transition holes are formed in the transition joints, a first water inlet branch pipe and a first water outlet branch pipe are arranged at the outer ends of the transition joints, one end of the first water outlet branch pipe is connected to the transition joint cavities, the other end of the first water outlet branch pipe is connected with a first main water outlet pipe, one end of the first water inlet branch pipe penetrates through the transition joint cavities and is located in the transition holes, the other end of the first water. The purpose of order cooling is reached fast, and the vapor that the cooling produced directly discharges and gets into the circulation, and the foundry goods disability rate is low production efficiency height, reduces the mould welding simultaneously, makes the mould life-span improve.
Description
Technical Field
The invention relates to a cooling structure of a low-pressure casting die, in particular to a water mist cooling structure of a low-pressure casting die of an aluminum alloy wheel.
Background
At present, wheels are generally produced by adopting a casting mode, particularly low-pressure casting, a mould for casting the wheels mainly comprises an upper mould, a lower mould and a side mould, and the upper mould, the lower mould and the side mould are combined to form a casting cavity of the wheel to be cast. In order to improve the efficiency and the performance of the wheel, the original air cooling medium is changed into a water cooling medium and is generally applied to the low-pressure wheel mould. The cooling speed of the die by water cooling is high, the process is not easy to adjust, the process belt is small, the rejection rate of the casting is high, and the production efficiency is low. For the structure of the die, the water channel of the die is finished by adopting the processes of grooving, drilling, welding and the like. When water is introduced, the pressure in the water channel is hundreds of times higher, and the welded part is easy to crack, so that the service life of the die is short, and the cost of maintenance after sale is high.
Disclosure of Invention
The invention aims to provide a water mist cooling structure of a low-pressure casting die of an aluminum alloy wheel.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cold structure of aluminum alloy wheel low pressure casting mould water smoke, includes the mould, the one end of going up the mould is provided with annular basin, the outer end of basin is provided with the basin lid, be provided with a plurality of evenly distributed's transition hole on the basin, the outer end in transition hole is provided with transition joint, be provided with the transition joint cavity with transition hole intercommunication in the transition joint, transition joint's outer end is provided with first branch pipe of intaking and first water branch pipe, the one end of first branch pipe of intaking is connected to the transition joint cavity, and the other end is connected with first main outlet pipe, the one end of first branch pipe of intaking is passed the transition joint cavity and is located the transition downthehole, and the other end is connected with first main inlet tube, the one end that first branch pipe of intaking is located the transition hole is fan nozzle. The purpose of order cooling is reached fast, and the vapor that the cooling produced directly discharges and gets into the circulation, and the foundry goods disability rate is low production efficiency height, reduces the mould welding simultaneously, makes the mould life-span improve.
Further, the method comprises the following steps: the fan-shaped nozzle is the one end stamping forming of circular first water inlet branch pipe, the height of fan-shaped nozzle inner chamber is between 1.5 millimeters to 2 millimeters, the width of fan-shaped nozzle inner chamber is between 6 millimeters to 8 millimeters. The water flow is changed into water mist, and the spray head is directly punched and formed, so that the water mist spray machine is convenient and simple and has reasonable cost.
Further, the method comprises the following steps: the outer end of the water tank is provided with an installation concave table, and the water tank cover is matched with the installation concave table. The water tank cover is convenient to place and fix.
Further, the method comprises the following steps: and the outer end of the mounting concave table is provided with a chamfer. The water tank cover is convenient to weld.
Further, the method comprises the following steps: the width of the water tank is between 6 mm and 8 mm, and the depth of the water tank is between 20 mm and 30 mm.
Further, the method comprises the following steps: the outer end of the transition hole is provided with a sinking platform, the lower end of the transition joint is welded on the sinking platform, and the diameter of the transition hole is between 16 mm and 20 mm. The transition joint is convenient to be welded on the transition cavity.
Further, the method comprises the following steps: the other end of going up the mould is provided with the cold structure of fog, the cold structure of fog includes annular second main inlet tube, the cold chamber of second main outlet pipe and a plurality of fog that evenly sets up on last mould, all be provided with the fog cold joint on the cold chamber of fog, be provided with the fog cold joint cavity that links to each other with the cold chamber of fog in the fog cold joint, be provided with the branch pipe of second inlet tube and second outlet pipe between fog cold joint and the main inlet tube of second and the second main outlet pipe respectively, the one end that the branch pipe of second inlet tube was passed the fog cold joint cavity and is located the cold chamber of fog, and the other end is connected to the main inlet tube of second, the both ends that the branch pipe of second outlet was connected to fog cold joint cavity and the main outlet pipe of second respectively, the one end that the branch pipe of second is located the cold chamber of fog. The purpose of sequential cooling can be achieved by using water and water mist at high cooling speed, and water vapor generated during cooling can be directly discharged and cooled to enter circulation, so that the casting rejection rate is low, the production efficiency is high, meanwhile, the welding of a mold is reduced, and the service life of the mold is prolonged.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a vertical cross-sectional view of the present invention;
FIG. 3 is a vertical cross-sectional view of the sink portion;
FIG. 4 is a cross-sectional view of a portion of the transition hole;
fig. 5 is a front view and a side view of the inlet manifold.
Labeled as: the upper die 100, the water tank 110, the mounting concave table 111, the chamfer 112, the transition hole 120, the sinking table 121, the water tank cover 130, the transition joint 200, the first main water inlet pipe 300, the first water inlet branch pipe 310, the fan-shaped nozzle 311, the first main water outlet pipe 400, the first water outlet branch pipe 410 and the fog cooling device 500.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
In the water mist cooling structure of the low-pressure casting die for the aluminum alloy wheel shown in fig. 1 to 4, one end of the upper die 100 is provided with an annular water tank 110, a water tank cover 130 is arranged at the outer end of the water tank 110, a plurality of evenly distributed transition holes 120 are arranged on the water tank 110, the outer end of the transition hole 120 is provided with a transition joint 200, a transition joint cavity communicated with the transition hole 120 is arranged in the transition joint 200, the outer end of the transition joint 200 is provided with a first water inlet branch pipe 310 and a first water outlet branch pipe 410, one end of the first water outlet branch pipe 410 is connected to the transition joint cavity, the other end is connected to the first main water outlet pipe 400, one end of the first water inlet branch pipe 310 passes through the transition joint cavity and is positioned in the transition hole 120, the other end is connected with a first main water inlet pipe 300, the first water inlet branch pipe 310 is provided with a fan-shaped nozzle 311 at one end in the transition hole 120. The first water inlet branch pipe 310 penetrates into the transition hole 120 from the right above the transition joint 200, and the outer end of the first water inlet branch pipe 310 is connected with the first main water inlet pipe 300; the first outlet branch pipe 410 is connected with the transition joint cavity in the transition joint 200 from the side wall of the transition joint 200, and the outer end of the first outlet branch pipe 410 is connected with the first main outlet pipe 400. The temperature of the cooling water in the first main water inlet pipe 300 is 20 to 25 degrees, the cooling water in the first main water inlet pipe 300 is sprayed out through the spray heads of the first water inlet branch pipes 310 in the transition holes 120 to enter the transition holes 120 in a water mist state, 8 to 12 transition holes 120 are uniformly arranged on the water tank 110, the number of the transition holes 120 can be selected according to the heat dissipation effect, the water mist enters the water tank 110 through the transition holes 120, and when the water in the water tank is heated and vaporized, the water is discharged from the transition holes 120 to enter the first water outlet branch pipes 410 and then enters the circulating pipeline for cooling and recycling. The purpose of order cooling is reached fast, and the vapor that the cooling produced directly discharges and gets into the circulation, and the foundry goods disability rate is low production efficiency height, reduces the mould welding simultaneously, makes the mould life-span improve.
On the basis of the above, as shown in fig. 3 and 5, the fan-shaped nozzle 311 is formed by stamping one end of the circular first water inlet branch pipe 310, the height of the inner cavity of the fan-shaped nozzle 311 is between 1.5 mm and 2 mm, and the width of the inner cavity of the fan-shaped nozzle 311 is between 6 mm and 8 mm. The water flow in the first main water inlet pipe 300 enters the first water inlet branch pipe 310 and then is sprayed out from the fan-shaped nozzles 311, the water flow is changed into water mist, and the spray head is directly formed through punching, so that the water mist spraying machine is convenient and simple, and has reasonable cost.
On the basis of the above, as shown in fig. 3, the outer end of the water tank 110 is provided with a mounting concave 111, and the water tank cover 130 is matched with the mounting concave 111. The water tank cover 130 is convenient to place, fix and weld, accurate in positioning and convenient to weld.
In addition to the above, as shown in fig. 3, the outer end of the mounting recess 111 is provided with a chamfer 112. The water tank cover 130 is convenient to weld, the water tank cover 130 can be welded to the mounting concave table 111 from the chamfer position, and welding is convenient.
On the basis of the above, as shown in fig. 3, the width of the water tank 110 is between 6 mm and 8 mm, and the depth of the water tank 110 is between 20 mm and 30 mm.
On the basis of the above, as shown in fig. 3, the outer end of the transition hole 120 is provided with a sinking platform 121, the lower end of the transition joint 200 is welded on the sinking platform 121, and the diameter of the transition hole 120 is between 16 mm and 20 mm. The diameter of the sinking platform 121 is slightly larger than the outer diameter of the lower end of the transition joint 200, the lower end of the transition joint 200 is aligned and placed on the sinking platform 121, the outer surface of the transition joint 200 and the outer end portion of the sinking platform 121 are welded, the transition joint 200 is accurately and conveniently welded and positioned on the transition hole 120 through the alignment of the sinking platform.
On the basis of the above, as shown in fig. 2, the other end of the upper die 100 is provided with a fog cooling structure, the fog cooling structure comprises a second main water inlet pipe 510 in a ring shape, a second main water outlet pipe 520 and a plurality of fog cooling cavities 530 which are uniformly arranged on the upper die 100, the fog cooling cavities 530 are all provided with fog cooling joints 540, the fog cooling joints 540 are internally provided with fog cooling joint cavities connected with the fog cooling cavities 530, a second water inlet branch 511 and a second water outlet branch 521 are respectively arranged between the fog cold joint 540 and the second main water inlet pipe 510 and the second main water outlet pipe 520, one end of the second water inlet pipe branch 511 passes through the fog cold joint cavity and is positioned in the fog cold cavity 530, the other end is connected to the second main water inlet pipe 510, two ends of the second branch outlet pipe 521 are respectively connected to the fog cold joint cavity and the second main outlet pipe 520, and one end of the second branch inlet pipe 511, which is located in the fog cold cavity 530, is a fan-shaped nozzle. When the second main water inlet pipe enters the fog cooling cavity 530 through the second water inlet pipe branch 511, the fan-shaped nozzles spray liquid water into fog-state water, the fog-state water is in contact with the fog cooling cavity 530 in the hot upper die 100, the heat on the upper die 100 is taken away by the vaporization of the fog-state water at high temperature, the vaporized water is discharged out of the second main water outlet pipe 520 from the second water outlet branch pipe 521 on the fog cooling joint cavity for circulation, the purpose of sequential cooling can be achieved by using high water fog cooling speed, and water vapor generated during cooling can be directly discharged for cooling and enters the circulation, so that the casting rejection rate is low, the production efficiency is high, meanwhile, the welding of a die is reduced, and the service life of the die is prolonged.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a cold structure of aluminum alloy wheel low pressure casting mould water smoke, includes mould (100), its characterized in that: one end of the upper die (100) is provided with an annular water tank (110), the outer end of the water tank (110) is provided with a water tank cover (130), a plurality of evenly distributed transition holes (120) are arranged on the water tank (110), transition joints (200) are arranged at the outer ends of the transition holes (120), a transition joint cavity communicated with the transition hole (120) is arranged in the transition joint (200), the outer end of the transition joint (200) is provided with a first water inlet branch pipe (310) and a first water outlet branch pipe (410), one end of the first water outlet branch pipe (410) is connected to the transition joint cavity, the other end is connected with a first main water outlet pipe (400), one end of the first water inlet branch pipe (310) penetrates through the transition joint cavity and is positioned in the transition hole (120), the other end of the first water inlet branch pipe is connected with a first main water inlet pipe (300), one end of the first water inlet branch pipe (310) positioned in the transition hole (120) is a fan-shaped nozzle (311).
2. The water mist cooling structure of the low-pressure casting die for the aluminum alloy wheel as recited in claim 1, wherein: fan-shaped nozzle (311) is the one end stamping forming of circular first inlet branch pipe (310), the height of fan-shaped nozzle (311) inner chamber is between 1.5 millimeters to 2 millimeters, the width of fan-shaped nozzle (311) inner chamber is between 6 millimeters to 8 millimeters.
3. The water mist cooling structure of the low-pressure casting die for the aluminum alloy wheel as recited in claim 1, wherein: the outer end of the water tank (110) is provided with an installation concave table (111), and the water tank cover (130) is matched with the installation concave table (111).
4. The water mist cooling structure of the low-pressure casting die for the aluminum alloy wheel as recited in claim 3, wherein: the outer end of the mounting concave table (111) is provided with a chamfer (112).
5. The water mist cooling structure of the low-pressure casting die for the aluminum alloy wheel as recited in claim 3, wherein: the width of the water tank (110) is between 6 and 8 mm, and the depth of the water tank (110) is between 20 and 30 mm.
6. The water mist cooling structure of the low-pressure casting die for the aluminum alloy wheel as recited in claim 1, wherein: the outer end of the transition hole (120) is provided with a sinking platform (121), the lower end of the transition joint (200) is welded on the sinking platform (121), and the diameter of the transition hole (120) is 16 mm to 20 mm.
7. The water mist cooling structure of the low-pressure casting die for the aluminum alloy wheel as recited in claim 1, wherein: the other end of the upper die (100) is provided with a fog cooling structure, the fog cooling structure comprises an annular second main water inlet pipe (510), a second main water outlet pipe (520) and a plurality of fog cooling cavities (530) uniformly arranged on the upper die (100), the fog cooling cavities (530) are provided with fog cooling joints (540), fog cooling joint cavities connected with the fog cooling cavities (530) are arranged in the fog cooling joints (540), a second water inlet pipe branch (511) and a second water outlet branch pipe (521) are respectively arranged between the fog cooling joints (540) and the second main water inlet pipe (510) and between the fog cooling joints (540) and the second main water outlet pipe (520), one end of the second water inlet pipe branch (511) penetrates through the fog cooling joint cavities to be positioned in the fog cooling cavities (530), the other end of the second water inlet pipe branch (511) is connected to the second main water inlet pipe (510), and two ends of the second water outlet branch pipe (521) are respectively connected to the fog cooling joint cavities and the second main water outlet, one end of the second water inlet pipe branch (511) positioned in the fog cooling cavity (530) is a fan-shaped nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911411489.0A CN110947933A (en) | 2019-12-31 | 2019-12-31 | Water mist cooling structure of low-pressure casting die for aluminum alloy wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911411489.0A CN110947933A (en) | 2019-12-31 | 2019-12-31 | Water mist cooling structure of low-pressure casting die for aluminum alloy wheel |
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| Publication Number | Publication Date |
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| CN110947933A true CN110947933A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911411489.0A Pending CN110947933A (en) | 2019-12-31 | 2019-12-31 | Water mist cooling structure of low-pressure casting die for aluminum alloy wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309475A (en) * | 2020-09-29 | 2022-04-12 | 通用汽车环球科技运作有限责任公司 | Modular mold design for casting vehicle frames and components |
-
2019
- 2019-12-31 CN CN201911411489.0A patent/CN110947933A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309475A (en) * | 2020-09-29 | 2022-04-12 | 通用汽车环球科技运作有限责任公司 | Modular mold design for casting vehicle frames and components |
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