CN114713776A - Mold applied to aluminum alloy wheel hub and casting method thereof - Google Patents
Mold applied to aluminum alloy wheel hub and casting method thereof Download PDFInfo
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- CN114713776A CN114713776A CN202210379283.XA CN202210379283A CN114713776A CN 114713776 A CN114713776 A CN 114713776A CN 202210379283 A CN202210379283 A CN 202210379283A CN 114713776 A CN114713776 A CN 114713776A
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- 238000005266 casting Methods 0.000 title claims abstract description 43
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 6
- 239000002893 slag Substances 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a die applied to an aluminum alloy wheel hub and a casting method thereof, wherein the die comprises an upper die, a bottom die and side dies, a wheel hub cavity is formed between the upper die and the bottom die, a spoke cavity is formed between the side dies and the upper die, the wheel hub cavity and the spoke cavity are mutually communicated to form a casting cavity for casting the wheel hub, the die further comprises a plurality of bottom die inserts which are detachably fixed on the bottom die, and the bottom die inserts are filled at the connecting part of the spoke and the inner edge of the wheel hub. By utilizing the bottom die insert, on one hand, the part to be subsequently hollowed can be filled, and the subsequent manual turning is not needed, so that the processing precision and the production efficiency of the hub are improved. On the other hand, the casting can be quickly thinned and cooled, so that the phenomena of looseness, slag holes and pinholes in the hub are avoided, the defects of traditional casting are overcome, and the qualification rate of products is improved.
Description
Technical Field
The invention relates to the technical field of aluminum alloy hubs, in particular to a mold applied to an aluminum alloy hub and a casting method thereof.
Background
The hub, the alias rim, i.e. the part of the tyre inner profile that supports the cylindrical, centrally fitted on the shaft of the tyre. Common automobile hubs include steel hubs and aluminum alloy hubs. The steel hub has high strength and is commonly used for large trucks; but the steel hub has heavy mass and single appearance, does not accord with the current concepts of low carbon and fashion, and is gradually replaced by the aluminum alloy hub.
In recent years, the market increasingly requires diversification on the modeling of aluminum alloy hubs, and the deeper and deeper the products of hub spokes with the inner edges dug, the more and more difficult the production process of casting aluminum alloy hubs. Referring to fig. 1, the existing mold for digging the inner edge has an excessively thick cavity, and a casting is not easily cooled and formed in the casting process, and is easily loosened, and has slag holes and pin holes. And the cooling time is too long, which affects the production efficiency.
In order to overcome the defects, the spokes of the hub are generally made thick, and the inner edges of the spokes are dug to be thin by turning. However, the machining mode and the difficulty thereof consume time, the manual turning mode cannot guarantee that the thickness of the turned spoke on the inner side of the aluminum alloy hub is uniform, and because more blanks are machined, the defects of looseness, slag holes and pin holes in the casting can be exposed, so that the product percent of pass is low, and the assembly firmness between the dies also has a larger lifting space.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a die applied to an aluminum alloy hub and a casting method thereof, so as to solve the problems in the background art.
The above object of the present invention is achieved by the following technical solutions: the mold applied to the aluminum alloy wheel hub comprises an upper mold, a bottom mold and side molds, wherein a wheel hub cavity is formed between the upper mold and the bottom mold, a spoke cavity is formed between the side molds and the upper mold, the wheel hub cavity and the spoke cavity are communicated with each other to form a casting cavity for casting the wheel hub, the mold also comprises a plurality of bottom mold inserts detachably fixed on the bottom mold, and the bottom mold inserts are filled at the inner edge connecting part of the spoke and the wheel hub; the side die comprises a bottom die and a side die, the bottom die is arranged at one end of the base through a positioning pin, the side die is abutted against the other end of the base, a through passage is formed in one end, close to the side die, of the base, a cavity is formed in one end, close to the base, of the side die, a toughness rack is arranged in the cavity, the toughness rack divides the cavity into a first cavity and a second cavity which are independent of each other one by one, the first cavity is aligned with the through passage, a convex tooth on the toughness rack protrudes into the first cavity, an air pipe extending into the second cavity is further arranged on the side die, the air pipe is externally connected with an air pump, a brace is connected between the side die and the base, convex teeth capable of being matched with the toughness rack are arranged on the brace, and the convex teeth on the brace are in one-way matching, one end of the brace with the convex teeth is inserted into the first cavity and meshed with the convex teeth on the flexible rack, and the other end of the brace penetrates through the through channel and is fixed on the outer surface of the base through the positioning column.
In some embodiments, the number of the bottom die inserts is five, and the five bottom die inserts are uniformly distributed on the circumference of the bottom die.
In some embodiments, the bottom mold on both sides of the hub cavity is respectively provided with a first limiting groove, a side wall of the first limiting groove is provided with a second limiting groove extending outward, and the bottom mold insert is embedded in the first limiting groove and the second limiting groove.
In some embodiments, a positioning plate is fixedly connected to a bottom center line of the hub cavity, and a positioning groove for the positioning plate to be embedded is formed in the bottom of the bottom die insert.
In some embodiments, the bottom of the bottom die insert is shaped to conform to the inner edge of the hub and the inner edge of the spoke, respectively.
In some embodiments, the bottom die insert is made of H13 steel.
In some embodiments, the bottom die and the bottom die insert are made of the same material.
In some embodiments, the bottom die insert is placed on the bottom die, the upper die and the side die are closed, and then molten aluminum is poured into the bottom die insert for casting production.
In some embodiments, positioning holes are respectively punched in two sides of the bottom die insert, then the bottom die insert is placed on the bottom die, holes are punched in the upper die and the bottom die along the positioning holes, a positioning pin protruding out of the bottom die insert is inserted into the positioning holes, then the upper die and the side die are closed, one end of the positioning pin is inserted into a hole of the upper die, and then molten aluminum is poured into the hole to perform casting production.
In conclusion, the invention has the following beneficial effects:
before the hub is cast, a plurality of bottom die inserts are fixed on the matching surface of the bottom die, then the upper die and the side die are closed, so that the hub cavity and the spoke cavity are communicated with each other and form a casting cavity, then molten aluminum is injected into the casting cavity to perform casting production, and after the casting is completed, the hub can be taken down from a workpiece, and the hub can be recycled. By utilizing the bottom die insert, on one hand, the part to be subsequently hollowed can be filled, and the subsequent manual turning is not needed, so that the processing precision and the production efficiency of the hub are improved. On the other hand, the casting can be quickly thinned and cooled, so that the phenomena of looseness, slag holes and pinholes in the hub are avoided, the defects of traditional casting are overcome, and the qualification rate of products is improved.
In addition, the die block passes through the locating pin and installs the one end at the base, the side forms are taken advantage of the other end at the base, be connected with the brace between side forms and the base, whether the tracheal business turn over of accessible is angry to control brace and toughness rack meshing, thereby realize the dismouting to the brace, whole operation is very simple, the dismouting between side forms and the base of very being convenient for, and realized placing the side forms on the base firmly with the help of the brace, and then effectively promoted the die block, the equipment fastness between side forms and the base.
Drawings
FIG. 1 is a schematic view of the overall structure of a hub according to the background art of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention (side mold omitted);
FIG. 4 is a schematic view of the present invention showing the construction of the bottom die (with one die insert omitted);
FIG. 5 is a schematic view showing the overall structure of a bottom die insert according to the present invention;
fig. 6 is an enlarged view of fig. 2A.
In the figure: 1. an upper die; 2. bottom die; 3. side forms; 4. a hub cavity; 5. a spoke cavity; 6. a bottom die insert; 7. a first limit groove; 8. a second limit groove; 9. positioning a plate; 10. positioning a groove; 11. a base; 12. positioning pins; 13. a through passage; 14. bracing; 15. a positioning column; 16. a first cavity; 17. a ductile rack; 18. a second cavity; 19. the trachea.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 2, the mold applied to the aluminum alloy wheel hub disclosed by the invention comprises an upper mold 1, a bottom mold 2 and a side mold 3, wherein a wheel hub cavity 4 is formed between the upper mold 1 and the bottom mold 2, a spoke cavity 5 is formed between the side mold 3 and the upper mold 1, the wheel hub cavity 4 is communicated with the spoke cavity 5 to form a casting cavity for casting the wheel hub, the mold further comprises a plurality of bottom mold inserts 6 detachably fixed on the bottom mold 2, and the bottom mold inserts 6 are filled at the connecting positions of the inner edges of the spoke and the wheel hub; the side die structure comprises a bottom die 2, a side die 3 and a base 11, wherein the bottom die 2 is connected with the side die 3, the bottom die 2 is arranged at one end of the base 11 through a positioning pin 12, the side die 3 is abutted against the other end of the base 11, the contact surface shapes of the two side dies are matched with each other, a U-shaped through channel 13 is arranged at one end of the base 11 close to the side die 3, two mutually through openings are formed in the base 11 of the through channel 13, a cavity is formed in one end of the side die 3 close to the base 11, a toughness rack 17 is arranged in the cavity, the toughness rack 17 divides the cavity into a first cavity 16 and a second cavity 18 which are mutually independent, the first cavity 16 is aligned with the through channel 13, a convex tooth on the toughness rack 17 protrudes into the first cavity 16, a brace 19 extending into the second cavity 18 is further arranged on the side die 3, an air pump is externally connected with the air pipe 19, a brace 14 is connected between the side die 3 and the base 11, and a convex tooth which can be mutually matched with the toughness rack 17 for use is arranged on the brace 14, the two convex teeth are in one-way fit, specifically, the flexible rack 17 only allows the pull strip 14 to be inserted into the first cavity 16, but not allows the pull strip 14 to be pulled out of the first cavity 16, one end of the pull strip 14 with the convex teeth is inserted into the first cavity 16 and meshed with the convex teeth on the flexible rack 17, and the other end of the pull strip 14 passes through the through channel 13 and is fixed on the outer surface of the base 11 through the positioning column 15.
In the present embodiment, referring to fig. 4, five bottom die inserts 6 are provided, and the five bottom die inserts 6 are uniformly distributed on the circumference of the bottom die 2. Five bottom die inserts 6 make an aluminum alloy wheel hub when the casting processing, whole can both satisfy the standard of production to the efficiency of casting processing has further been promoted.
The bottom die 2 on two sides of the hub cavity 4 is respectively provided with a first limiting groove 7, the side wall of the first limiting groove 7 is provided with a second limiting groove 8 extending outwards, and the bottom die insert 6 is embedded in the first limiting groove 7 and the second limiting groove 8. The arrangement of the first limiting groove 7 and the second limiting groove 8 enables the bottom die insert 6 to be stably fixed on the matching surface of the bottom die 2 and the upper die 1, and the bottom die insert is convenient to take down after casting is completed.
Referring to fig. 3, a positioning plate 9 is fixedly connected to a bottom center line of the hub cavity 4, and a positioning groove 10 (see fig. 5) for the positioning plate 9 to be embedded is formed in the bottom of the bottom die insert 6. The arrangement of the positioning plate 9 facilitates the quick fixation of the bottom die insert 6 on the matching surface of the bottom die 2 and the upper die 1, and improves the stability of the bottom die insert 6.
The bottom die block insert 6's bottom is unanimous with wheel hub's interior limit and spoke's interior limit shape respectively, so set up make the bottom die block insert 6 can with the mould cooperation, reduce the thickness of die cavity, make things convenient for casting production, avoided the wheel hub inside simultaneously because the phenomenon of loose, cinder hole and pinhole that the heat dissipation is inhomogeneous to appear, improved the yields.
The bottom die insert 6 is made of H13 steel material, and the bottom die 2 and the bottom die insert 6 are made of the same material. The H13 steel material belongs to hot work die steel, is a steel grade formed by adding alloy elements on the basis of carbon work steel, and is implemented in the standard GB/T1299-2014. It has high hardenability and high toughness; the excellent hot cracking resistance can be realized, and water cooling can be performed on the working occasions; the wear-resistant alloy has medium wear-resistant capability, and the surface hardness of the alloy can be improved by adopting a carburizing or nitriding process, but the hot cracking resistance is slightly reduced; because the carbon content is lower, the secondary hardening capacity in tempering is poorer; resistance to softening at higher temperatures, but a rapid decrease in hardness (i.e., 540 ℃ C. for service) above 540 ℃ C. (1000 ℃ F.); the deformation of heat treatment is small; medium and high machinability; moderate decarburization resistance.
The bottom die 2 is installed at one end of the base 11 through the positioning pin 12, the side die 3 is abutted against the other end of the base 11, the brace 14 is connected between the side die 3 and the base 11, and whether the brace 14 is meshed with the tough rack 17 or not can be controlled through air inlet and outlet of the air pipe 19, so that the brace 14 is disassembled and assembled, the whole operation is very simple, the side die 3 and the base 11 are conveniently disassembled and assembled, the side die 3 is stably placed on the base 11 through the brace 14, and the assembling firmness among the bottom die 2, the side die 3 and the base 11 is effectively improved; specifically, when the bottom die 2, the side die 3 and the base 11 are assembled, as shown in fig. 2 and 6, the bottom die 2 and the base 11 are fixed by the positioning pin 12, then the side die 3 is abutted against the base 11, the first cavity 16 is aligned with the upper opening of the through channel 13, then the pulling strip 14 is extended into the lower opening of the through channel 13, the upper opening is extended through the through channel 13, and the pulling strip 14 is extended into the first cavity 16, at this time, the convex teeth on the flexible rack 17 are meshed with the convex teeth on the pulling strip 14, under the action of the convex teeth, the pulling strip 14 can be smoothly inserted into the deep part of the first cavity 16 but can not be pulled out from the first cavity 16, then, the air pump is used for inflating the second cavity 18 through the air pipe 19, at this time, the air pressure in the second cavity 18 is increased, so that the flexible rack 17 is upwards supported, and the flexible rack 17 is firmly meshed with the pulling strip 14, then, a force for pulling the brace 14 outwards is applied to tighten the brace 14, the end, far away from the first cavity 16, of the brace 14 is fixed on the base 11 through the positioning column 15 while the brace 14 is kept tightened, and therefore the brace 14 is fixed, and at the moment, the bottom die 2, the side die 3 and the base 11 are firmly assembled; when the bottom die 2, the side die 3 and the base 11 need to be disassembled, the positioning pin 12 is firstly disassembled to realize the disassembly between the base 11 and the bottom die 2, then air is pumped outwards through the air pipe 19 by virtue of an air pump, at the moment, the air pressure in the second cavity 18 is reduced, so that the flexible rack 17 is sunken downwards, at the moment, the flexible rack 17 is separated from the brace 14, the two are not meshed any more, so that the brace 14 can be smoothly pulled out from the first cavity 16, then the positioning column 15 is disassembled, the brace 14 is thoroughly separated from the base 11, and therefore the disassembly among the bottom die 2, the side die 3 and the base 11 is realized.
A casting method of a mold applied to an aluminum alloy hub is characterized in that a bottom mold insert 6 is placed on a bottom mold 2, an upper mold 1 and a side mold 3 are closed, and then molten aluminum is poured to perform casting production. Furthermore, the two sides of the bottom die 2 insert are respectively punched with positioning holes, then the bottom die 2 insert is placed on the bottom die 2, the upper die 1 and the bottom die are punched along the positioning holes, the positioning holes are inserted with protruding positioning pins of the bottom die 2 insert, and the upper die 1 and the side die 3 are closed, so that one end of the positioning pins is inserted into the holes of the upper die 1, and then molten aluminum is poured into the holes to perform casting production. The fixing of the bottom die 2 insert between the upper die 1 and the bottom die is realized by utilizing the positioning pin, the upper die 1 is guided by utilizing the positioning pin in the die assembling process, the insert is fixed, and meanwhile, the positioning effect is also realized, the bottom die 2 insert is not easy to move during casting, so that the phenomenon that the cast product generates fins is avoided, and the quality of the product is improved to a great extent.
The implementation principle of the embodiment is as follows: before casting the wheel hub, fix a plurality of die block inserts 6 on the fitting surface of die block 2, then close mould 1 and side forms 3 for wheel hub die cavity 4 communicates each other and forms the foundry goods die cavity with spoke die cavity 5, then pour into the aluminium water into toward the foundry goods die cavity and can carry out casting production, after the casting is accomplished take off on the work piece can, can recycle.
By utilizing the bottom die insert 6, on one hand, the part to be subsequently hollowed can be filled, and the subsequent manual turning is not needed, so that the processing precision and the production efficiency of the hub are improved. On the other hand, the casting can be quickly thinned and cooled, so that the phenomena of looseness, slag holes and pinholes in the hub are avoided, the defects of traditional casting are overcome, and the qualification rate of products is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a be applied to aluminum alloy wheel hub's mould, includes last mould (1), die block (2) and side forms (3), go up mould (1) with form wheel hub die cavity (4) between die block (2), side forms (3) with go up and form spoke die cavity (5) between mould (1), wheel hub die cavity (4) with spoke die cavity (5) communicate each other and form the foundry goods die cavity that is used for casting wheel hub, its characterized in that: the die block structure is characterized by further comprising a plurality of die block inserts (6) detachably fixed on the die block (2), wherein the die block inserts (6) are filled at the connecting positions of the spokes and the inner edges of the wheel hubs;
still including being used for connecting die block (2) with base (11) of side forms (3), die block (2) are installed through locating pin (12) the one end of base (11), side forms (3) take on the other end of base (11), base (11) are close to the one end of side forms (3) has been seted up and have been run through passageway (13), side forms (3) are close to set up the cavity in the one end of base (11), be equipped with toughness rack (17) in the cavity, toughness rack (17) will the cavity is separated into first cavity (16) and second cavity (18) that mutually independent from one another one on one another, wherein first cavity (16) aim at run through passageway (13), protruding tooth on toughness rack (17) is protruding to in first cavity (16), still be equipped with on side forms (3) and stretch into trachea (19) in second cavity (18), the air pump is connected to the air pipe (19) in an external mode, a brace (14) is connected between the side die (3) and the base (11), protruding teeth capable of being matched with the tough rack (17) are arranged on the brace (14), the protruding teeth on the brace and the tough rack (17) are matched in a one-way mode, one end, provided with the protruding teeth, of the brace (14) is inserted into the first cavity (16) and meshed with the protruding teeth on the tough rack (17), and the other end of the brace (14) penetrates through the through channel (13) and is fixed to the outer surface of the base (11) through the positioning column (15).
2. The mold for aluminum alloy wheel hub according to claim 1, wherein: the bottom die insert (6) is five, and the five bottom die inserts (6) are uniformly distributed on the circumference of the bottom die (2).
3. The mold for aluminum alloy wheel hub according to claim 1, wherein: wheel hub die cavity (4) both sides first spacing groove (7) have been seted up on die block (2) respectively, set up on the lateral wall of first spacing groove (7) outside extension second spacing groove (8), die block insert (6) inlay establish first spacing groove (7) with in second spacing groove (8).
4. The mold for aluminum alloy wheel hub according to claim 1, wherein: the positioning device is characterized in that a positioning plate (9) is fixedly connected to the central line of the bottom of the hub cavity (4), and a positioning groove (10) for the positioning plate (9) to be embedded is formed in the bottom of the bottom die insert (6).
5. The mold for aluminum alloy wheel hub according to claim 1, wherein: the bottom of die block insert (6) respectively with the interior limit of wheel hub and the interior limit shape of spoke is unanimous.
6. The mold for aluminum alloy wheel hub according to claim 1, wherein: the bottom die insert (6) is made of H13 steel material.
7. The mold for aluminum alloy wheel hub according to claim 6, wherein: the bottom die (2) and the bottom die insert (6) are made of the same material.
8. A casting method based on the mold according to claim 1, characterized in that: and (3) placing the bottom die insert (6) on the bottom die (2), closing the upper die (1) and the side die (3), and then pouring molten aluminum for casting production.
9. The casting method of a mold according to claim 8, characterized in that: the locating hole is beaten respectively to the both sides that the die block was inserted (6), then places die block insert (6) on die block (2), along the locating hole is in go up mould (1) with punch on die block (2), it is outstanding to insert in the locating hole the locating pin of die block insert (6) closes mould (1) and side forms (3) again for the one end of locating pin inserts in the hole of mould (1), then pours into the aluminium water and carries out casting production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210379283.XA CN114713776B (en) | 2022-04-12 | 2022-04-12 | Die applied to aluminum alloy hub and casting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210379283.XA CN114713776B (en) | 2022-04-12 | 2022-04-12 | Die applied to aluminum alloy hub and casting method thereof |
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| Publication Number | Publication Date |
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| CN114713776A true CN114713776A (en) | 2022-07-08 |
| CN114713776B CN114713776B (en) | 2023-05-02 |
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2022
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| CN114713776B (en) | 2023-05-02 |
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Denomination of invention: A mold and its casting method applied to aluminum alloy wheels Granted publication date: 20230502 Pledgee: Agricultural Bank of China Limited Yugan County Sub branch Pledgor: Jiangxi Rongen Wheel Manufacturing Co.,Ltd. Registration number: Y2024980015026 |