CN210305709U - Low pressure wheel hub side mode structure - Google Patents
Low pressure wheel hub side mode structure Download PDFInfo
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- CN210305709U CN210305709U CN201920426600.2U CN201920426600U CN210305709U CN 210305709 U CN210305709 U CN 210305709U CN 201920426600 U CN201920426600 U CN 201920426600U CN 210305709 U CN210305709 U CN 210305709U
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Abstract
The utility model belongs to the technical field of wheel hub production and processing, a low pressure wheel hub side form structure is related to, the side form includes upper left side form, upper right side form and downside mould, upper left side form and upper right side form pass through bolt and locating pin fixed connection, the lower side form passes through the assembly fixed connection of bolt and locating pin and upper left side form and upper right side form, the lower side form is equipped with the water-cooling passageway, the water inlet of water-cooling passageway is located upper left side mould lower part, the delivery port of water-cooling passageway is located upper left side mould lower part. The utility model discloses with the first half split of side form into two symmetric bodies, change the temperature field of former side form, increase two assembly heat transfer surfaces, change the side form lower part into straight water-cooling to improve the higher condition of present side form middle part temperature, reduce the loose risk of the corresponding position in the middle part of the rim, improve cooling efficiency simultaneously, the side form design has thermal-insulated portion down simultaneously, can further change the temperature field, better adjustment the cooling uniformity of the inhomogeneous department of thickness of spoke and rim.
Description
Technical Field
The utility model belongs to the technical field of wheel hub production and processing, in particular to low pressure wheel hub side form structure.
Background
The process of the prior art for casting the aluminum alloy automobile hub by adopting low pressure is more universal, because the special annular thin-wall rim structure of the automobile aluminum alloy automobile hub and the factors of the mounting surface and the thick and big structure of the spoke, when the traditional four-opening side mold structure mold which is commonly adopted at present is used for producing the cast aluminum alloy automobile hub, because the existing side mold is thin in the middle and thick all around, the temperature is higher in the middle of the side mold, the heat transfer is not uniform, the loose condition is easy to appear in the middle of the corresponding rim, the qualification rate and the quality of the product are influenced, and on the basis, the difficulty of continuously improving the qualification rate of the product is.
The prior art has a technical scheme, and CN 202411383U discloses a side mold structure of a low-pressure hub mold, which is characterized in that the side mold comprises an upper side mold and a lower side mold which are butted up and down, and a web plate of the lower side mold is provided with a cooling water cavity; and a heat insulation groove is arranged on the lower end surface of the web plate of the upper side die. The side die of the casting die is changed into an upper side die and a lower side die, so that the temperature transfer between the upper side die and the lower side die is at least reduced; secondly set up the cooling water cavity on the web of lower bolster thereby can be in the lower bolster leads to cooling water, makes the cooling rate of lower bolster basically with the side mould is unanimous, and then makes the upper portion 9A of wheel hub unanimous with the cooling rate of lower part 9B, has shortened whole casting cycle greatly, also makes the casting performance qualification rate promote. Because the utility model has the characteristics of above-mentioned and advantage, can use in low pressure casting aluminum alloy wheel hub's mould product. According to the technical scheme, the side die is decomposed into the upper side die and the lower side die, so that the cooling speed of the lower side die is basically consistent with that of the upper side die, and further, the cooling speed of the thick part of the upper part 9A of the hub is consistent with that of the thin part of the lower part 9B of the hub. The technical scheme also has the following defects: the side mold is divided into an upper part and a lower part, the wall thickness of the middle lower part of the upper half part is thinner, the side mold and the divided lower half part are in contact heat transfer, the heat dissipation is slower, and a higher high-temperature area is easily formed at the middle lower part of the upper half part of the side mold in the normal production process to influence the solidification of the rim of the part. The loosening condition is easy to occur on the middle lower part of the corresponding wheel rim, and the qualification rate and the quality of casting production are influenced.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the utility model provides a low pressure wheel hub side mode structure is from vertical and horizontal division into the polylith with traditional side mode structure, increases two places assembly heat transfer surfaces to improve the higher condition of present side mode middle part temperature, change the side mode lower part into straight water-cooling simultaneously, reduce the loose risk of the corresponding position in rim middle part, improved the cooling efficiency of mould simultaneously.
The utility model discloses a following technical scheme realizes: a side mould structure of a low-pressure hub,
the side form includes upper left side form, upper right side form and downside mould, upper left side form and upper right side form pass through bolt and locating pin fixed connection, the lower side form passes through bolt and locating pin and the assembly fixed connection of upper left side form and upper right side form, the lower side form is equipped with the water-cooling passageway, the water inlet of water-cooling passageway is located upper left side mould lower part, the delivery port of water-cooling passageway is located upper left side mould lower part.
Further, the bolt is an M10-M20 bolt with the grade of 8.8 or more, and the positioning pin is a ¢ 10- ¢ 20 pin shaft.
Further, the bolt is an M16 bolt with the grade of 8.8 or more, and the positioning pin is a ¢ 14 pin shaft.
Furthermore, the lower side die is also provided with a heat insulation part, and the heat insulation part is positioned at the thinner part of the lower side die corresponding to the product window.
Furthermore, the heat insulation part is of a closed structure and is internally provided with a heat insulation medium.
Further, the heat insulation medium is one or a combination of heat insulation cotton and glass fiber.
Further, the lower side die comprises a left lower side die and a right lower side die which are fixedly connected through bolts and positioning pins.
The scheme is based on casting mold flow analysis, combines the characteristics of the temperature field of the existing side mold, improves the wheel rim looseness from changing the temperature field of the side mold, splits the upper half part of the side mold into two symmetrical bodies, changes the temperature field of the original side mold, increases two assembling heat transfer surfaces, and changes the lower part of the side mold into direct water cooling, thereby improving the condition that the temperature of the middle part of the existing side mold is higher, reducing the loosening risk of the corresponding position in the middle part of the wheel rim, and improving the cooling efficiency.
The side surface of the lower side die is drilled with the polygonal hole, and the water cooling channel is additionally arranged, so that the temperature field can be further changed, the cooling uniformity of the uneven thickness parts of the spoke and the rim can be better adjusted, meanwhile, the thin part of the die is formed by the heat insulation part designed in the cooling channel, and the heat insulation medium is added, so that the influence of water cooling on the thin part of the die is reduced, and cold spots caused by supercooling of the thin part are prevented.
Advantageous effects
The upper half part of the side die is split into two symmetrical bodies, the temperature field of the original side die is changed, two assembling heat transfer surfaces are increased, and the lower part of the side die is changed into straight water cooling, so that the condition that the temperature of the middle part of the existing side die is higher is improved, the loosening risk of the corresponding position of the middle part of the rim is reduced, the cooling efficiency is improved, meanwhile, the lower side die is provided with a heat insulation part, the temperature field can be further changed, and the cooling uniformity of the uneven thickness parts of the spoke and the rim is well adjusted.
Drawings
Fig. 1 the utility model discloses low pressure wheel hub side form structure is seen the cross-section schematic diagram mainly.
Fig. 2 the utility model discloses low pressure wheel hub side mode structure is seen section schematic diagram A-A section schematic diagram.
Fig. 3 the utility model discloses low pressure wheel hub side mode structure is seen section schematic diagram B-B section schematic diagram from the beginning.
Wherein, each part name is respectively: 1. the heat-conducting module comprises bolts, 2, positioning pins, 3, a heat-insulating part, 4, a transverse assembling heat-conducting surface, 5, a longitudinal assembling heat-conducting surface, 6, a water inlet, 7, a water outlet, 8, an upper left side module, 9, an upper right side module, 10 and a lower side module.
Detailed Description
The present invention will be described in detail with reference to the following examples so that those skilled in the art can better understand the present invention, but the present invention is not limited to the following examples.
Example 1
The utility model provides a low pressure wheel hub side form structure, side form include upper left side mould 8, upper right side mould 9 and lower side mould 10, and upper left side mould 8 and upper right side mould 9 pass through bolt 1 and locating pin 2 fixed connection, and lower side mould 10 passes through bolt 1 and locating pin 2 and upper left side mould 8 and upper right side mould 9's combination body fixed connection, and lower side mould 10 is equipped with the water-cooling passageway, and water inlet 6 of water-cooling passageway is located upper left side mould lower part, the delivery port 7 of water-cooling passageway is located upper left side mould lower part.
Bolt 1 is an M10 bolt with the grade of 8.8 or more, and locating pin 2 is a ¢ 10 pin shaft.
The lower die 10 is further provided with a heat insulation part 3, and the heat insulation part 3 is positioned at a thin part of the lower die corresponding to the product window.
The heat insulation part 3 is a closed structure and is internally provided with heat insulation cotton.
Example 2
The utility model provides a low pressure wheel hub side form structure, side form include upper left side mould 8, upper right side mould 9 and lower side mould 10, and upper left side mould 8 and upper right side mould 9 pass through bolt 1 and locating pin 2 fixed connection, and lower side mould 10 passes through bolt 1 and locating pin 2 and upper left side mould 8 and upper right side mould 9's combination body fixed connection, and lower side mould 10 is equipped with the water-cooling passageway, and water inlet 6 of water-cooling passageway is located upper left side mould lower part, the delivery port 7 of water-cooling passageway is located upper left side mould lower part.
Bolt 1 is an M20 bolt with the grade of 8.8 or more, and locating pin 2 is a ¢ 20 pin shaft.
The lower die 10 is further provided with a heat insulation part 3, and the heat insulation part 3 is positioned at a thin part of the lower die corresponding to the product window.
The heat insulating part 3 has a sealed structure and contains glass fibers.
Example 3
The utility model provides a low pressure wheel hub side form structure, side form include upper left side mould 8, upper right side mould 9 and lower side mould 10, and upper left side mould 8 and upper right side mould 9 pass through bolt 1 and locating pin 2 fixed connection, and lower side mould 10 passes through bolt 1 and locating pin 2 and upper left side mould 8 and upper right side mould 9's combination body fixed connection, and lower side mould 10 is equipped with the water-cooling passageway, and water inlet 6 of water-cooling passageway is located upper left side mould lower part, the delivery port 7 of water-cooling passageway is located upper left side mould lower part.
Bolt 1 is an M16 bolt with the grade of 8.8 or more, and locating pin 2 is a ¢ 14 pin shaft.
The lower die 10 is further provided with a heat insulation part 3, and the heat insulation part 3 is positioned at a thin part of the lower die corresponding to the product window.
The heat insulating part 3 has a sealed structure and contains glass fibers.
The lower side die 10 further comprises a left lower side die and a right lower side die which are fixedly connected through bolts and positioning pins, and 1 transverse assembly heat transfer surface can be added.
The above only do the preferred embodiment of the utility model discloses a not therefore restrict the utility model discloses a patent range, all utilize the utility model discloses equivalent structure or equivalent flow transform that the specification was done, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.
Claims (7)
1. The utility model provides a low pressure wheel hub side form structure which characterized in that: the side form includes upper left side form (8), upper right side form (9) and downside mould (10), upper left side form (8) and upper right side form (9) are through bolt (1) and locating pin (2) fixed connection, lower side form (10) are through bolt (1) and locating pin (2) and the combination fixed connection of upper left side form (8) and upper right side form (9), lower side form (10) are equipped with the water-cooling passageway, the water inlet (6) of water-cooling passageway are located upper left side form lower part, the delivery port (7) of water-cooling passageway are located upper left side form lower part.
2. The low pressure hub-side form of claim 1, wherein: the bolt (1) is an M10-M20 bolt with the grade of 8.8 or more, and the positioning pin is a ¢ 10- ¢ 20 pin shaft.
3. The low pressure hub-side form of claim 2, wherein: the bolt (1) is an M16 bolt with the grade of 8.8 or more, and the positioning pin (2) is a ¢ 14 pin shaft.
4. The low pressure hub-side form of claim 1, wherein: the lower side die (10) is further provided with a heat insulation part (3), and the heat insulation part (3) is located on the lower side die and corresponds to the thin part of the product window.
5. The low pressure hub-side form of claim 4, wherein: the heat insulation part (3) is of a closed structure and is internally provided with a heat insulation medium.
6. The low pressure hub-side form of claim 5, wherein: the heat insulation medium is one or the combination of heat insulation cotton and glass fiber.
7. The low-pressure hub side mold structure according to any one of claims 1 to 6, wherein: the lower side die (10) comprises a left lower side die and a right lower side die which are fixedly connected through bolts and positioning pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426600.2U CN210305709U (en) | 2019-04-01 | 2019-04-01 | Low pressure wheel hub side mode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426600.2U CN210305709U (en) | 2019-04-01 | 2019-04-01 | Low pressure wheel hub side mode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210305709U true CN210305709U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920426600.2U Active CN210305709U (en) | 2019-04-01 | 2019-04-01 | Low pressure wheel hub side mode structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210305709U (en) |
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2019
- 2019-04-01 CN CN201920426600.2U patent/CN210305709U/en active Active
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