CN111810524B - Aluminum alloy wheel and manufacturing method thereof - Google Patents
Aluminum alloy wheel and manufacturing method thereof Download PDFInfo
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- CN111810524B CN111810524B CN202010760298.1A CN202010760298A CN111810524B CN 111810524 B CN111810524 B CN 111810524B CN 202010760298 A CN202010760298 A CN 202010760298A CN 111810524 B CN111810524 B CN 111810524B
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- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 229910000838 Al alloy Inorganic materials 0.000 title claims description 10
- 239000000956 alloy Substances 0.000 claims abstract description 222
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 168
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 168
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 160
- 238000004512 die casting Methods 0.000 claims abstract description 153
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 43
- 238000003754 machining Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 13
- 238000004381 surface treatment Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 8
- 239000013585 weight reducing agent Substances 0.000 claims 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000007769 metal material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000005488 sandblasting Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910000601 superalloy Inorganic materials 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an alloy aluminum wheel, which relates to the technical field of guide wheels and comprises a wheel body formed by die casting, wherein a mounting hole is formed in the center of the wheel body, mounting rings extend out of the outer edges of two ends of the mounting hole along the axial direction of the wheel body, and a functional part is formed on the periphery of the wheel body. The invention mainly solves the problems that a rotating shaft or a bearing penetrating through a mounting ring can generate high temperature when rotating at high speed and is easy to deform the mounting ring and a mounting hole of an alloy aluminum wheel, the rotating shaft or the bearing penetrates into a heat-resistant ring, the heat-resistant ring is contacted with the rotating shaft or the bearing, the direct contact of the mounting ring on a wheel body and the rotating shaft or the bearing is avoided, and the mounting ring and the mounting hole are not easy to be heated, so that the alloy aluminum wheel can be matched with the high-temperature rotating shaft or the bearing to be used and is not easy to deform.
Description
Technical Field
The invention relates to the technical field of guide wheels, in particular to an alloy aluminum wheel and a manufacturing method thereof.
Background
The alloy aluminum wheel is widely applied in industrial production, and various forms such as a guide wheel, a drawing wheel, a wire storage wheel, a meter counting wheel and the like are derived so as to be suitable for application occasions such as annealing machines, wire drawing machines, optical cable equipment, cable equipment and the like.
The common alloy aluminum wheel comprises a wheel body, wherein the middle part of the wheel body is provided with a mounting hole for mounting a rotating shaft or a bearing, the periphery of the mounting hole extends towards the axial direction of the wheel body to form a mounting ring so as to adapt to the bearing with larger axial length or the superposition of a plurality of bearings, the outer peripheral surface of the wheel body is a functional part, and the functional parts with different structures are adopted to derive various forms such as a guide wheel, a guiding wheel, a wire storage wheel, a metering wheel and the like.
The alloy aluminum wheel is formed by integrally die-casting an aluminum alloy material, so that the mechanical strength of the alloy aluminum wheel is ensured. In practical application, the rotating shaft or the bearing penetrating through the mounting ring can generate high temperature when rotating at high speed, and the aluminum alloy material is difficult to withstand the high temperature, so that the mounting ring and the mounting hole of the alloy aluminum wheel are easy to deform after long-term use, and the strength and dynamic balance performance of the alloy aluminum wheel are affected.
Disclosure of Invention
The invention aims to provide an alloy aluminum wheel which can be used with a high-temperature rotating shaft or a bearing and is not easy to deform.
The invention also aims to provide a manufacturing method of the alloy aluminum wheel, and the alloy aluminum wheel manufactured by the method can be matched with a high-temperature rotating shaft or bearing for use and is not easy to deform.
The alloy aluminum wheel comprises a wheel body which is formed by die casting, wherein a mounting hole is formed in the center of the wheel body, mounting rings extend out of the outer edges of two ends of the mounting hole along the axial direction of the wheel body, a functional part is formed on the periphery of the wheel body, and the alloy aluminum wheel further comprises a heat-resistant ring which penetrates through the mounting ring and is coaxial with the mounting ring, and the heat-resistant ring and the wheel body are die cast into a whole.
In the above technical scheme, the outer ring of the heat-resistant ring forms a clamping groove, the inner ring of the mounting ring forms a clamping rib matched with the clamping groove, and the clamping rib of the mounting ring is clamped into the clamping groove of the heat-resistant ring.
In the above technical scheme, a plurality of lightening holes are formed in the wheel body by taking the mounting holes as symmetry centers.
In the above technical solution, the functional portion is a wire storage portion.
In the above technical solution, the functional portion is a picking portion.
In the above technical solution, the functional portion is a wire portion.
The manufacturing approach of an alloy aluminum wheel, is used for making the above-mentioned alloy aluminum wheel, it has applied the die casting die, the said die casting die includes front mold core, back mold core and two pieces of loose core; the die cavity of the front die core is sequentially provided with a first central cylinder for forming a mounting hole, a first groove for forming a mounting ring, a first die-casting ring surface for forming a wheel body and a first functional cavity for forming a functional part from inside to outside; the cavity of the rear mold core is sequentially provided with a second central cylinder for forming a mounting hole, a second groove for forming a mounting ring, a second die-casting ring surface for forming a wheel body and a second functional cavity for forming a functional part from inside to outside; the die-casting semi-rings are arranged on the inner sides of each core pulling piece, the two core pulling pieces are opposite to each other and can be inserted into a cavity from the position between the front die core and the rear die core, after the front die core, the rear die core and the core pulling pieces are combined, the first central cylinder and the second central cylinder are coaxial, no gap exists between the first central cylinder and the second central cylinder, the first groove and the second groove are coaxial, the first die-casting ring surface and the second die-casting ring surface are coaxial, a gap is reserved between the first die-casting ring surface and the second die-casting ring surface and are parallel to each other, the first functional cavity and the second functional cavity are opposite to each other, the die-casting semi-rings on the two core pulling pieces are combined into a die-casting ring, and the die-casting ring is positioned between the first functional cavity and the second functional cavity;
the manufacturing method of the alloy aluminum wheel comprises the following steps:
s1, sleeving a heat-resistant ring on a first central cylinder of the front mold core or a second central cylinder of the rear mold core;
s2, combining a front mold core, a rear mold core and two core pulling cores in the die casting mold;
s3, pressurizing the alloy material in a molten state and injecting the alloy material into a cavity of the die-casting die;
S4, after the alloy material is cooled, opening a front mold core, a rear mold core and two core pulling cores in the die casting mold, and demolding to obtain an alloy aluminum wheel blank;
S5, processing the alloy aluminum wheel blank to obtain a finished alloy aluminum wheel.
In the above technical solution, step S5 specifically includes:
S5.1, rough machining, namely removing a die casting water gap, a runner and redundant leftover materials which are connected with the alloy aluminum wheel blank;
S5.2, carrying out finish machining, namely clamping the alloy aluminum wheel blank on a CNC lathe to carry out finish machining on the surface of the alloy aluminum wheel blank;
S5.3, surface treatment, namely treating the surface of the alloy aluminum wheel blank to obtain the finished alloy aluminum wheel.
According to the technical scheme, the front mold core is arranged on the first die-casting ring surface, the first central cylinder is used as a symmetrical center, a plurality of first material reducing cylinders used for forming the lightening holes are arranged on the front mold core, the rear mold core is arranged on the second die-casting ring surface, the second central cylinder is used as a symmetrical center, a plurality of second material reducing cylinders used for forming the lightening holes are arranged on the rear mold core, and after the front mold core, the rear mold core and the core pulling are combined, the first material reducing cylinders and the second material reducing cylinders are coaxial, and gaps exist between the first material reducing cylinders and the second material reducing cylinders.
Compared with the prior art, the alloy aluminum wheel has the beneficial effects that 1, when in use, the rotating shaft or the bearing is penetrated into the heat-resistant ring, the heat-resistant ring is contacted with the rotating shaft or the bearing, the mounting ring on the wheel body is prevented from being directly contacted with the rotating shaft or the bearing, and the mounting ring and the mounting hole are not easy to be heated, so that the alloy aluminum wheel can be matched with the rotating shaft or the bearing at high temperature for use and is not easy to deform.
2. According to the manufacturing method of the alloy aluminum wheel, the wheel body, the mounting ring and the functional part are integrally formed through die casting, the material is different from the heat-resistant ring, the material cost is lower than that of the heat-resistant ring, and when the alloy aluminum wheel is formed, the die casting forming requirements of the wheel body, the mounting ring and the functional part can be met by heating the alloy material to a lower temperature, and the process cost is also lower than that of the heat-resistant ring.
Drawings
Fig. 1 is a perspective view of an alloy aluminum wheel in accordance with a first embodiment of the present invention.
Fig. 2 is an exploded view of an alloy aluminum wheel in accordance with a first embodiment of the present invention.
Fig. 3 is a cross-sectional view of an alloy aluminum wheel in accordance with a first embodiment of the present invention.
FIG. 4 is a cross-sectional view of three stacked aluminum alloy wheels in accordance with one embodiment of the present invention.
Fig. 5 is a perspective view of a die casting die in the first embodiment of the present invention.
Fig. 6 is an exploded view of a die casting die in the first embodiment of the present invention.
Fig. 7 is another exploded view of the die casting die in the first embodiment of the present invention.
Fig. 8 is a cross-sectional view of a die casting die in the first embodiment of the present invention.
Fig. 9 is a partial enlarged view of a in fig. 8.
Fig. 10 is a perspective view of an alloy aluminum wheel in a second embodiment of the invention.
Fig. 11 is a cross-sectional view of an alloy aluminum wheel in accordance with a second embodiment of the present invention.
Fig. 12 is a perspective view of a die casting die in the second embodiment of the present invention.
Fig. 13 is an exploded view of a die casting die in the second embodiment of the present invention.
Fig. 14 is a perspective view of a rear mold core in a second embodiment of the present invention.
Fig. 15 is a cross-sectional view of a die casting die in a second embodiment of the present invention.
Fig. 16 is a perspective view of an alloy aluminum wheel in a third embodiment of the invention.
Fig. 17 is a cross-sectional view of an alloy aluminum wheel in a third embodiment of the invention.
Fig. 18 is a perspective view of a die casting die in a third embodiment of the present invention.
Fig. 19 is an exploded view of a die casting die in a third embodiment of the present invention.
Fig. 20 is a perspective view of a rear mold core in a third embodiment of the present invention.
Fig. 21 is a cross-sectional view of a die casting die in a third embodiment of the present invention.
Fig. 22 is a partial enlarged view of B in fig. 21.
The heat-resistant ring, 11, a clamping groove, 21, a wheel body, 22, a mounting hole, 23, a mounting ring, 24, a lightening hole, 25, a wire storage part, 251, a blocking wall, 252, a clamping part, 253, an assembly edge, 26, a drawing part, 261, a blocking wall, 262, a wire groove, 27, a wire part, 271, a blocking wall, 28, a clamping rib, 3, a front mold core, 31, a first central cylinder, 32, a first die-casting ring surface, 33, a first annular inclined surface, 34, a first groove, 35, a first annular cavity, 36, a first material reduction cylinder, 37, a runner, 38, a pouring gate, 4, a rear mold core, 41, a second central cylinder, 42, a second annular surface, 43, a second annular inclined surface, 44, a first groove, 45, a second annular cavity, 46, a second material reduction cylinder, 47, a ring groove, 48, a square groove, 5, a core pulling, 51, a die-casting half ring, 52 and a gap.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an alloy aluminum wheel, which comprises a wheel body 21 formed by die casting, wherein a mounting hole 22 is formed in the center of the wheel body 21, the mounting hole 22 is a round hole and is coaxial with the wheel body 21, mounting rings 23 extend out of the outer edges of two ends of the mounting hole 22 along the axial direction of the wheel body 21, the mounting rings 23 are arranged to axially extend the mounting hole 22, so that the mounting hole 22 has a longer mounting length, the alloy aluminum wheel can be matched with a multi-bearing or a bearing with a higher length, the axial matching length between the alloy aluminum wheel and a rotating shaft can be increased, the alloy aluminum wheel is not easy to axially bias in the rotating process, and functional parts such as a wire storage part 25, a lead part 26 and a wire guide part 27 are formed on the periphery of the wheel body 21, so that the alloy aluminum wheel has the functions of storing wires, separating the wires side by side and guiding the wires.
In order to enable the alloy aluminum wheel to be matched with a high-temperature rotating shaft or a bearing for use, the alloy aluminum wheel further comprises a heat-resistant ring 1, wherein the heat-resistant ring 1 is made of high-temperature-resistant metal materials, such as ferrite heat-resistant steel, nickel-based superalloy and copper, the heat-resistant ring 1 is arranged in the mounting ring 23 in a penetrating mode and coaxial with the mounting ring 23, and the heat-resistant ring 1 and the wheel body 21 are integrally die-cast.
When the alloy aluminum wheel is used, the rotating shaft or the bearing penetrates into the heat-resistant ring 1, the heat-resistant ring 1 is in contact with the rotating shaft or the bearing, the mounting ring 23 on the wheel body 21 is prevented from being in direct contact with the rotating shaft or the bearing, and the mounting ring 23 and the mounting hole 22 are not easy to be heated, so that the alloy aluminum wheel can be matched with the rotating shaft or the bearing at high temperature to be used and is not easy to deform. Meanwhile, the wheel body 21, the mounting ring 23 and the functional part are integrally formed by die casting, and the material is different from the heat-resistant ring 1, so that the material cost is lower than that of the heat-resistant ring 1, and when the wheel body 21, the mounting ring 23 and the functional part are formed, the die casting requirement of the wheel body 21, the mounting ring 23 and the functional part can be met by heating the alloy material to a lower temperature, and the process cost is also lower than that of the heat-resistant ring 1.
Further, the outer ring of the heat-resistant ring 1 forms a clamping groove 11, specifically, the clamping groove 11 is a concave part arranged on the outer ring of the heat-resistant ring 1, the clamping groove 11 is arranged around the heat-resistant ring 1 and is integrally formed with the heat-resistant ring 1, the inner ring of the mounting ring 23 forms a clamping rib 28 matched with the clamping groove 11, the clamping rib 28 and the mounting ring 23 are integrally die-cast, the clamping rib 28 of the mounting ring 23 is clamped into the clamping groove 11 of the heat-resistant ring 1, and the clamping rib 28 and the clamping groove 11 are arranged to ensure that the heat-resistant ring 1 is not easy to be dislocated with the mounting ring 23 in the rotating process.
Further, the wheel body 21 is provided with a plurality of weight reducing holes 24 with the mounting holes 22 as symmetry centers, so as to save metal materials.
The invention also provides a manufacturing method of the alloy aluminum wheel, which is used for manufacturing the alloy aluminum wheel.
The manufacturing method of the alloy aluminum wheel is applied to a die casting die, the die casting die comprises a front die core 3, a rear die core 4 and two core pulling cores 5, materials of the front die core 3, the rear die core 4 and the core pulling cores 5 are hot work die steel, for example steel with the model of H13, and cavities are formed in the front die core 3 and the rear die core 4 through turning or laser processing.
The cavity of the front mold core 3 is sequentially provided with:
a first center cylinder 31 for forming the mounting hole 22;
a first groove 34 for molding the mounting ring 23;
A first die-cast ring surface 32 for molding the wheel body 21;
a first functional cavity for molding the functional part;
the cavity of the rear mold core 4 is sequentially provided with:
A second center cylinder 41 for forming the mounting hole 22;
A second groove 44 for molding the mounting ring 23;
a second die-cast ring surface 42 for molding the wheel body 21;
and the second functional cavity is used for forming the functional part.
The first die-casting ring surface 32 is a flat horizontal surface on the front die core 3, the second die-casting ring surface 42 is a flat horizontal surface on the rear die core 4, the front die core 3 is also provided with a pouring gate 38 and a runner 37, the pouring gate 38 is arranged on the side surface of the front die core 3, and two ends of the runner 37 are respectively communicated with the pouring gate 38 and the first functional cavity. In addition, square grooves 48 are respectively formed on two sides of the rear mold core 4, and the square grooves 48 are communicated with the mold cavity for inserting the two core-pulling cores 5.
The inner side of each core-pulling piece 5 is provided with a die-casting half ring 51, the die-casting half rings 51 are formed by turning or laser processing, the two core-pulling pieces 5 are opposite to each other and can be inserted into a cavity between the front mold core 3 and the rear mold core 4, namely, the two core-pulling pieces 5 are respectively inserted into square grooves 48 at two sides of the rear mold core 4 until the two core-pulling pieces 5 are propped against each other, and at the moment, the die-casting half rings 51 reach the periphery of the cavity.
After the front mold core 3, the rear mold core 4 and the core pulling cores 5 are combined, the first central cylinder 31 and the second central cylinder 41 are coaxial, no gap 52 exists between the first central cylinder 31 and the second central cylinder 41, the first groove 34 and the second groove 44 are coaxial, the first die casting ring surface 32 and the second die casting ring surface 42 are coaxial, a gap 52 exists between the first die casting ring surface 32 and the second die casting ring surface 42 and are parallel to each other, the first functional cavity and the second functional cavity are opposite to each other, the die casting semi-rings 51 on the two core pulling cores 5 are combined into a die casting ring, and the die casting ring is positioned between the first functional cavity and the second functional cavity.
The manufacturing method of the alloy aluminum wheel comprises the following steps:
s1, sleeving a heat-resistant ring 1 on a first central cylinder 31 of a front mold core 3 or a second central cylinder 41 of a rear mold core 4;
The radius of the inner ring of the heat-resistant ring 1 is the same as the radius of the first central cylinder 31 or the second central cylinder 41, so that the heat-resistant ring 1 can be exactly sleeved on the first central cylinder 31 of the front mold core 3 or the second central cylinder 41 of the rear mold core 4, and the radius of the outer ring of the heat-resistant ring 1 is smaller than the radius of the outer ring of the first groove 34 of the front mold core 3 or the second groove 44 of the rear mold core 4, so that the heat-resistant ring 1 can be positioned in the first groove 34 of the front mold core 3 or the second groove 44 of the rear mold core 4.
S2, combining a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold;
In this step, the front mold core 3, the rear mold core 4 and the two core-pulling cores 5 are respectively mounted on corresponding mold frames, then the mold frames are mounted on a die casting machine, and during die casting, the die casting machine combines the front mold core 3, the rear mold core 4 and the two core-pulling cores 5, so that the cavities of the front mold core 3 and the rear mold core 4 are combined, and the two core-pulling cores 5 are respectively inserted from two sides until the die casting half rings 51 reach the cavities to be combined into a die casting ring.
S3, pressurizing the alloy material in a molten state and injecting the alloy material into a cavity of a die-casting die;
in this embodiment, the alloy material is aluminum alloy, and the alloy material is heated to a molten state, then introduced into a die casting machine, pressurized by the die casting machine, and then injected into the die casting mold from the pouring opening 38 of the front mold core 3 until the alloy material reaches the cavity.
Alloy material enters the cavities of the first groove 34 and the second groove 44 to form the mounting ring 23, alloy material cannot enter the heat-resistant ring 1 to form the mounting hole 22 penetrating through the mounting ring 23, alloy material enters the clamping groove 11 of the heat-resistant ring 1 to form the clamping rib 28 in the mounting ring 23, alloy material enters the cavity between the first die-casting ring surface 32 and the second die-casting ring surface 42 to form the wheel body 21 with the flat surface of the wheel body 21, and alloy material enters the first functional cavity and the second functional cavity to be matched with the die-casting ring to form the functional part of the alloy aluminum wheel.
S4, after the alloy material is cooled, opening a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold, and demolding to obtain an alloy aluminum wheel blank;
After the alloy material is cooled, the heat-resistant ring 1 and the wheel body 21 are die-cast into a whole. In some possible embodiments, the die casting machine separates the front die core 3 from the rear die core 4, simultaneously separates the two core pulling cores 5 by utilizing the inclined guide pillar to open the die cavity, ejects the alloy aluminum wheel blank by utilizing the ejector pin, and demolds the alloy aluminum wheel blank, and in other possible embodiments, the die casting machine separates the front die core 3 from the rear die core 4, then pumps the two core pulling cores 5 by utilizing the hydraulic cylinder to open the die cavity, ejects the alloy aluminum wheel blank by utilizing the ejector pin, and demolds the alloy aluminum wheel blank.
S5, processing the alloy aluminum wheel blank to obtain a finished alloy aluminum wheel.
Specifically, step S5 includes:
S5.1, rough machining, namely punching the alloy aluminum wheel blank to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank, and naturally, manually cutting to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank.
S5.2, carrying out finish machining, namely clamping the alloy aluminum wheel blank on a CNC lathe to carry out finish machining on the surface of the alloy aluminum wheel blank;
S5.3, surface treatment, namely treating the surface of the alloy aluminum wheel blank to obtain the finished alloy aluminum wheel. Specifically, the surface treatment procedures such as black anode treatment, aluminum anode oxidation treatment, sand blasting oxidation treatment, paint baking treatment and the like can be carried out on the surface of the alloy aluminum wheel blank so as to meet different use requirements. For example, the surface of the alloy aluminum wheel blank is subjected to aluminum anodic oxidation treatment, the alloy aluminum wheel blank is placed in corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid and the like) to serve as an anode, and electrolysis is carried out under specific conditions and under the action of externally applied current. The alloy aluminum wheel blank of the anode is oxidized, and an aluminum oxide thin layer with the thickness of 5-20 microns is formed on the surface of the alloy aluminum wheel blank, and the surface hardness can reach HV 300-HV 500.
In the following, three embodiments are provided to further illustrate the technical solution of the present invention, and the technical solutions in the three embodiments are all optimized or specifically illustrated based on the above technical solution.
Embodiment one:
Referring to fig. 1-4, the present embodiment provides an alloy aluminum wheel, whose functional part is a wire storage part 25.
The alloy aluminum wheel comprises a wheel body 21, wherein a mounting hole 22 is formed in the middle of the wheel body 21, mounting rings 23 extend out of the outer edges of two ends of the mounting hole 22 along the axial direction of the wheel body 21 to adapt to more bearings, a plurality of lightening holes 24 are formed in the wheel body 21 by taking the mounting hole 22 as a symmetrical center to save metal materials, a wire storage part 25 is arranged on the outer peripheral surface of the wheel body 21, blocking ribs 251 are arranged on two sides of the wire storage part 25, the top of one blocking rib 251 is a clamping part 252, the top of the other blocking rib 251 is axially folded to form an assembly edge 253, and when the alloy aluminum wheel needs to be used in a superposition mode, the clamping part 252 of the previous alloy aluminum wheel is clamped into the assembly edge 253 of the next alloy aluminum wheel.
The alloy aluminum wheel further comprises a heat-resistant ring 1, wherein the heat-resistant ring 1 is made of high-temperature-resistant metal materials such as ferrite heat-resistant steel, nickel-based superalloy and copper, the heat-resistant ring 1 is arranged in the mounting ring 23 in a penetrating mode and coaxial with the mounting ring 23, and the heat-resistant ring 1 and the wheel body 21 are integrally die-cast.
Further, the outer ring of the heat-resistant ring 1 forms a clamping groove 11, specifically, the clamping groove 11 is a concave part arranged on the outer ring of the heat-resistant ring 1, the clamping groove 11 is arranged around the heat-resistant ring 1 and is integrally formed with the heat-resistant ring 1, the inner ring of the mounting ring 23 forms a clamping rib 28 matched with the clamping groove 11, the clamping rib 28 and the mounting ring 23 are integrally die-cast, the clamping rib 28 of the mounting ring 23 is clamped into the clamping groove 11 of the heat-resistant ring 1, and the clamping rib 28 and the clamping groove 11 are arranged to ensure that the heat-resistant ring 1 is not easy to be dislocated with the mounting ring 23 in the rotating process.
Referring to fig. 5-9, in the die casting mold, the first functional cavity is a first annular inclined surface 33 inclined toward the solid side of the front mold core 3, the first annular inclined surface 33 is a flat inclined surface for forming the wire storage portion 25 and the clamping portion 252, the second functional cavity is a second annular inclined surface 43 inclined toward the solid side of the rear mold core 4 and a ring groove 47 surrounding the second annular inclined surface 43, the second annular inclined surface 43 is a flat inclined surface for forming the wire storage portion 25, the bottom of the ring groove 47 is more sunken than the bottom of the second annular inclined surface 43 for forming the assembly edge 253, and after the front mold core 3, the rear mold core 4 and the core pulling 5 are combined, the first annular inclined surface 33 and the second annular inclined surface 43 are symmetrical with the joint surface of the front mold core 3 and the rear mold core 4 as a center.
Further, the front mold core 3 is provided with a plurality of first material reducing cylinders 36 for forming the lightening holes 24 on the first die casting ring surface 32 by taking the first central cylinder 31 as a symmetry center, the rear mold core 4 is provided with a plurality of second material reducing cylinders 46 for forming the lightening holes 24 on the second die casting ring surface 42 by taking the second central cylinder 41 as a symmetry center, and after the front mold core 3, the rear mold core 4 and the core pulling 5 are combined, the first material reducing cylinders 36 and the second material reducing cylinders 46 are coaxial, and no gap 52 exists between the first material reducing cylinders 36 and the second material reducing cylinders 46.
The embodiment also provides a manufacturing method of the alloy aluminum wheel, which is used for manufacturing the alloy aluminum wheel, and the method is applied to the die casting die and comprises the following steps:
s1, sleeving a heat-resistant ring 1 on a first central cylinder 31 of a front mold core 3;
s2, combining a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold;
In this step, the front mold core 3, the rear mold core 4 and the two core-pulling cores 5 are respectively mounted on the corresponding mold frames, then the mold frames are mounted on the die casting machine, and during die casting, the die casting machine combines the front mold core 3, the rear mold core 4 and the two core-pulling cores 5, so that the cavities of the front mold core 3 and the rear mold core 4 are combined, and the two core-pulling cores 5 are respectively inserted from two sides until the die casting semi-rings 51 reach the cavities.
And S3, pressurizing the alloy material in a molten state and injecting the alloy material into a cavity of the die-casting die.
In this embodiment, the alloy material is aluminum alloy, and the alloy material is heated to a molten state, then introduced into a die casting machine, pressurized by the die casting machine, and then injected into the die casting mold from the pouring opening 38 of the front mold core 3 until the alloy material reaches the cavity.
Alloy material enters the cavities of the first groove 34 and the second groove 44 to form the mounting ring 23, alloy material cannot enter the heat-resistant ring 1 to form the mounting hole 22 penetrating the mounting ring 23, alloy material enters the clamping groove 11 of the heat-resistant ring 1 to form the clamping rib 28 in the mounting ring 23, alloy material enters the cavity between the first die-casting ring surface 32 and the second die-casting ring surface 42 to form the wheel body 21 with the flat surface of the wheel body 21, alloy material enters the cavities between the first annular inclined surface 33, the second annular inclined surface 43 and the die-casting ring to form the wire storage part 25 and the clamping part 252, alloy material also enters the annular groove 47 of the rear mold core 4 to form the assembly edge 253, and alloy material cannot enter the positions of the first material reducing cylinder 36 and the second material reducing cylinder 46 to form the lightening hole 24 penetrating the wheel body 21.
S4, after the alloy material is cooled, opening a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold, and demolding to obtain the alloy aluminum wheel blank.
After the alloy material is cooled, the heat-resistant ring 1 and the wheel body 21 are die-cast into a whole. In the step, the die casting machine separates the front die core 3 from the rear die core 4, simultaneously separates the two loose cores 5 by utilizing the inclined guide pillar, opens the cavity, ejects the alloy aluminum wheel blank by using the ejector pin, and the alloy aluminum wheel blank can be demolded.
S5, processing the alloy aluminum wheel blank to obtain a finished alloy aluminum wheel.
Specifically, step S5 includes:
S5.1, rough machining, namely punching the alloy aluminum wheel blank to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank, and naturally, manually cutting to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank.
S5.2, carrying out finish machining, namely clamping the alloy aluminum wheel blank on a CNC lathe to carry out finish machining on the surface of the alloy aluminum wheel blank;
S5.3, surface treatment, namely treating the surface of the alloy aluminum wheel blank to obtain the finished alloy aluminum wheel. Specifically, the surface treatment procedures such as black anode treatment, aluminum anode oxidation treatment, sand blasting oxidation treatment, paint baking treatment and the like can be carried out on the surface of the alloy aluminum wheel blank so as to meet different use requirements. For example, the surface of the alloy aluminum wheel blank is subjected to aluminum anodic oxidation treatment, the alloy aluminum wheel blank is placed in corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid and the like) to serve as an anode, and electrolysis is carried out under specific conditions and under the action of externally applied current. The alloy aluminum wheel blank of the anode is oxidized, and an aluminum oxide thin layer with the thickness of 5-20 microns is formed on the surface of the alloy aluminum wheel blank, and the surface hardness can reach HV 300-HV 500.
The finished alloy aluminum wheel after the processing is used as a wire storage wheel.
Embodiment two:
Referring to fig. 10-11, the present embodiment provides an alloy aluminum wheel, whose functional portion is a drawing portion 26.
The alloy aluminum wheel comprises a wheel body 21, wherein a mounting hole 22 is formed in the middle of the wheel body 21, mounting rings 23 extend out of the outer edges of two ends of the mounting hole 22 along the axial direction of the wheel body 21 to be matched with more bearings, a plurality of lightening holes 24 are formed in the wheel body 21 by taking the mounting hole 22 as a symmetrical center to save metal materials, two side edges of the outer periphery of the wheel body 21 symmetrically extend outwards in the axial direction to form a leading part 26, a plurality of blocking ribs 261 are arranged on the leading part 26 side by side, and a wire groove 262 is formed between every two blocking ribs 261.
The alloy aluminum wheel further comprises a heat-resistant ring 1, wherein the heat-resistant ring 1 is made of high-temperature-resistant metal materials such as ferrite heat-resistant steel, nickel-based superalloy and copper, the heat-resistant ring 1 is arranged in the mounting ring 23 in a penetrating mode and coaxial with the mounting ring 23, and the heat-resistant ring 1 and the wheel body 21 are integrally die-cast.
Further, the outer ring of the heat-resistant ring 1 forms a clamping groove 11, specifically, the clamping groove 11 is a concave part arranged on the outer ring of the heat-resistant ring 1, the clamping groove 11 is arranged around the heat-resistant ring 1 and is integrally formed with the heat-resistant ring 1, the inner ring of the mounting ring 23 forms a clamping rib 28 matched with the clamping groove 11, the clamping rib 28 and the mounting ring 23 are integrally die-cast, the clamping rib 28 of the mounting ring 23 is clamped into the clamping groove 11 of the heat-resistant ring 1, and the clamping rib 28 and the clamping groove 11 are arranged to ensure that the heat-resistant ring 1 is not easy to be dislocated with the mounting ring 23 in the rotating process.
Referring to fig. 12-15, in the die casting mold, the first functional cavity is a first annular cavity 35, the first annular cavity 35 is a circular cavity surrounding the first die casting ring surface 32, the bottom of the first annular cavity is deeper into the front mold core 3 than the first die casting ring surface 32, the second functional cavity is a second annular cavity 45, and the second annular cavity 45 is a circular cavity surrounding the second die casting ring surface 42, and the bottom of the second annular cavity is deeper into the rear mold core 4 than the second die casting ring surface 42.
The die-casting half rings 51 on each core-pulling piece 5 are provided with more than two, gaps 52 are reserved between every two die-casting half rings 51, and the gaps 52 between each die-casting half ring 51 of the core-pulling piece 5 are uniform.
Further, the front mold core 3 is provided with a plurality of first material reducing cylinders 36 for forming the lightening holes 24 on the first die casting ring surface 32 by taking the first central cylinder 31 as a symmetry center, the rear mold core 4 is provided with a plurality of second material reducing cylinders 46 for forming the lightening holes 24 on the second die casting ring surface 42 by taking the second central cylinder 41 as a symmetry center, and after the front mold core 3, the rear mold core 4 and the core pulling 5 are combined, the first material reducing cylinders 36 and the second material reducing cylinders 46 are coaxial, and no gap 52 exists between the first material reducing cylinders 36 and the second material reducing cylinders 46.
The embodiment also provides a manufacturing method of the alloy aluminum wheel, which is used for manufacturing the alloy aluminum wheel, and the method is applied to the die casting die and comprises the following steps:
S1, sleeving the heat-resistant ring 1 on a second central cylinder 41 of the rear mold core 4;
s2, combining a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold;
In this step, the front mold core 3, the rear mold core 4 and the two core-pulling cores 5 are respectively mounted on the corresponding mold frames, then the mold frames are mounted on the die casting machine, and during die casting, the die casting machine combines the front mold core 3, the rear mold core 4 and the two core-pulling cores 5, so that the cavities of the front mold core 3 and the rear mold core 4 are combined, and the two core-pulling cores 5 are respectively inserted from two sides until the die casting semi-rings 51 reach the cavities.
And S3, pressurizing the alloy material in a molten state and injecting the alloy material into a cavity of the die-casting die.
In this embodiment, the alloy material is aluminum alloy, and the alloy material is heated to a molten state, then introduced into a die casting machine, pressurized by the die casting machine, and then injected into the die casting mold from the pouring opening 38 of the front mold core 3 until the alloy material reaches the cavity.
Alloy material enters the cavities of the first groove 34 and the second groove 44 to form the mounting ring 23, alloy material cannot enter the heat-resistant ring 1 to form the mounting hole 22 penetrating the mounting ring 23, alloy material enters the clamping groove 11 of the heat-resistant ring 1 to form the clamping rib 28 in the mounting ring 23, alloy material enters the cavity between the first die-casting ring surface 32 and the second die-casting ring surface 42 to form the wheel body 21 with the flat surface of the wheel body 21, alloy material enters the cavities of the first annular cavity 35 and the second annular cavity 45 to form the leading portion 26 extending axially from the periphery of the wheel body 21, alloy material also enters the gap 52 between each two half rings 51 to form the plurality of blocking ribs 261 on the leading portion 26, and alloy material cannot enter the first reducing cylinder 36 and the second reducing cylinder 46 to form the lightening hole 24 penetrating the wheel body 21.
S4, after the alloy material is cooled, opening a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold, and demolding to obtain the alloy aluminum wheel blank.
After the alloy material is cooled, the heat-resistant ring 1 and the wheel body 21 are die-cast into a whole. In the step, the die casting machine separates the front die core 3 and the rear die core 4, then the two loose cores 5 are pulled out by a hydraulic cylinder, so that a cavity is opened, the alloy aluminum wheel blank is ejected out by using the ejector pin, and the alloy aluminum wheel blank is demoulded.
S5, processing the alloy aluminum wheel blank to obtain a finished alloy aluminum wheel.
Specifically, step S5 includes:
S5.1, rough machining, namely punching the alloy aluminum wheel blank to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank, and naturally, manually cutting to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank.
S5.2, carrying out finish machining, namely clamping the alloy aluminum wheel blank on a CNC lathe to carry out finish machining on the surface of the alloy aluminum wheel blank;
S5.3, surface treatment, namely treating the surface of the alloy aluminum wheel blank to obtain the finished alloy aluminum wheel. Specifically, the surface treatment procedures such as black anode treatment, aluminum anode oxidation treatment, sand blasting oxidation treatment, paint baking treatment and the like can be carried out on the surface of the alloy aluminum wheel blank so as to meet different use requirements. For example, the surface of the alloy aluminum wheel blank is subjected to aluminum anodic oxidation treatment, the alloy aluminum wheel blank is placed in corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid and the like) to serve as an anode, and electrolysis is carried out under specific conditions and under the action of externally applied current. The alloy aluminum wheel blank of the anode is oxidized, and an aluminum oxide thin layer with the thickness of 5-20 microns is formed on the surface of the alloy aluminum wheel blank, and the surface hardness can reach HV 300-HV 500.
The finished alloy aluminum wheel after the processing is used as a drawing wheel.
Embodiment III:
referring to fig. 16-17, the present embodiment provides an alloy aluminum wheel, the function part of which is a wire part 27.
The alloy aluminum wheel comprises a wheel body 21, wherein a mounting hole 22 is formed in the middle of the wheel body 21, mounting rings 23 extend out of the outer edges of two ends of the mounting hole 22 along the axial direction of the wheel body 21 so as to be suitable for more bearings, the outer peripheral surface of the wheel body 21 is provided with a wire part 27, two sides of the wire part 27 are provided with blocking ribs 271, and the wire part 27 is a functional part of a guide wheel.
The alloy aluminum wheel further comprises a heat-resistant ring 1, wherein the heat-resistant ring 1 is made of high-temperature-resistant metal materials such as ferrite heat-resistant steel, nickel-based superalloy and copper, the heat-resistant ring 1 is arranged in the mounting ring 23 in a penetrating mode and coaxial with the mounting ring 23, and the heat-resistant ring 1 and the wheel body 21 are integrally die-cast.
Further, the outer ring of the heat-resistant ring 1 forms a clamping groove 11, specifically, the clamping groove 11 is a concave part arranged on the outer ring of the heat-resistant ring 1, the clamping groove 11 is arranged around the heat-resistant ring 1 and is integrally formed with the heat-resistant ring 1, the inner ring of the mounting ring 23 forms a clamping rib 28 matched with the clamping groove 11, the clamping rib 28 and the mounting ring 23 are integrally die-cast, the clamping rib 28 of the mounting ring 23 is clamped into the clamping groove 11 of the heat-resistant ring 1, and the clamping rib 28 and the clamping groove 11 are arranged to ensure that the heat-resistant ring 1 is not easy to be dislocated with the mounting ring 23 in the rotating process.
Referring to fig. 18-22, in the die casting mold, at least two cavities are provided in the front mold core 3 and the rear mold core 4, a first functional cavity is a first annular inclined surface 33 inclined to the solid side of the front mold core 3, the first annular inclined surface 33 is a flat inclined surface for forming the blocking wall 271, a second functional cavity is a second annular inclined surface 43 inclined to the solid side of the rear mold core 4, the second annular inclined surface 43 is a flat inclined surface for forming the blocking wall 271, and mesa-shaped half rings corresponding to the number of the cavities are provided on the inner side of each core pulling piece 5. In the embodiment, the front mold core 3 and the rear mold core 4 are provided with two cavities, correspondingly, in each core-pulling piece 5, two die-casting half rings 51 are arranged, and the runner 37 is sequentially communicated with the first annular inclined surfaces 33 in the two cavities. In other embodiments, the number of the cavities may be three or four, and accordingly, three or four die-casting half rings 51 are provided in each core-pulling core 5, and the runner 37 is sequentially connected to the first annular inclined surface 33 in each cavity.
The embodiment also provides a manufacturing method of the alloy aluminum wheel, which is used for manufacturing the alloy aluminum wheel and can mold a plurality of alloy aluminum wheels at one time, and the method adopts the die casting die and comprises the following steps:
s1, sleeving a heat-resistant ring 1 on a first central cylinder 31 of a front mold core 3;
In this embodiment, the front mold core 3 has more than two cavities, and the first central cylinder 31 in each cavity is sleeved with one heat-resistant ring 1.
S2, combining a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold;
In this step, the front mold core 3, the rear mold core 4 and the two core-pulling cores 5 are respectively mounted on the corresponding mold frames, then the mold frames are mounted on the die casting machine, and during die casting, the die casting machine combines the front mold core 3, the rear mold core 4 and the two core-pulling cores 5, so that the cavities of the front mold core 3 and the rear mold core 4 are combined, and the two core-pulling cores 5 are respectively inserted from two sides until the die casting semi-rings 51 reach the cavities.
And S3, pressurizing the alloy material in a molten state and injecting the alloy material into a cavity of the die-casting die.
In this embodiment, the alloy material is aluminum alloy, and the alloy material is heated to a molten state, then introduced into a die casting machine, pressurized by the die casting machine, and then injected into the die casting mold from the pouring opening 38 of the front mold core 3 until the alloy material reaches the cavity.
Alloy material enters the cavities of the first groove 34 and the second groove 44 to form the mounting ring 23, alloy material cannot enter the heat-resistant ring 1 to form the mounting hole 22 penetrating the mounting ring 23, alloy material enters the detent groove 11 of the heat-resistant ring 1 to form the detent rib 28 in the mounting ring 23, alloy material enters the cavity between the first die-cast ring surface 32 and the second die-cast ring surface 42 to form the wheel body 21 with the flat surface of the wheel body 21 and the flat surfaces of the wheel body 21, and alloy material enters the cavities between the first annular inclined surface 33, the second annular inclined surface 43 and the die-cast rings to form the wire part 27.
S4, after the alloy material is cooled, opening a front mold core 3, a rear mold core 4 and two core pulling cores 5 in the die casting mold, and demolding to obtain the alloy aluminum wheel blank.
After the alloy material is cooled, the heat-resistant ring 1 and the wheel body 21 are die-cast into a whole. In the step, the die casting machine separates the front die core 3 from the rear die core 4, simultaneously separates two loose cores 5 by utilizing an inclined guide pillar, opens a cavity, ejects a plurality of alloy aluminum wheel blanks by using a thimble, and the alloy aluminum wheel blanks are demoulded.
S5, processing the alloy aluminum wheel blank to obtain a finished alloy aluminum wheel.
Specifically, step S5 includes:
S5.1, rough machining, namely punching the alloy aluminum wheel blank to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank, and naturally, manually cutting to remove the die casting water gap, the runner and the redundant leftover materials connected with the alloy aluminum wheel blank.
S5.2, carrying out finish machining, namely clamping the alloy aluminum wheel blank on a CNC lathe to carry out finish machining on the surface of the alloy aluminum wheel blank;
S5.3, surface treatment, namely treating the surface of the alloy aluminum wheel blank to obtain the finished alloy aluminum wheel. Specifically, the surface treatment procedures such as black anode treatment, aluminum anode oxidation treatment, sand blasting oxidation treatment, paint baking treatment and the like can be carried out on the surface of the alloy aluminum wheel blank so as to meet different use requirements. For example, the surface of the alloy aluminum wheel blank is subjected to aluminum anodic oxidation treatment, the alloy aluminum wheel blank is placed in corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid and the like) to serve as an anode, and electrolysis is carried out under specific conditions and under the action of externally applied current. The alloy aluminum wheel blank of the anode is oxidized, and an aluminum oxide thin layer with the thickness of 5-20 microns is formed on the surface of the alloy aluminum wheel blank, and the surface hardness can reach HV 300-HV 500.
The finished alloy aluminum wheel after the processing is used as a wire guide wheel.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An alloy aluminum wheel comprises a wheel body which is formed by die casting, wherein the center of the wheel body is provided with a mounting hole, the outer edges of the two ends of the mounting hole extend out of a mounting ring along the axial direction of the wheel body, the periphery of the wheel body forms a functional part,
The heat-resistant ring is arranged in the mounting ring in a penetrating way and coaxial with the mounting ring, and the heat-resistant ring and the wheel body are die-cast into a whole;
the manufacturing method of the alloy aluminum wheel adopts a die casting die, and the die casting die comprises a front die core, a rear die core and two loose cores;
the die cavity of the front die core is sequentially provided with a first central cylinder for forming a mounting hole, a first groove for forming a mounting ring, a first die-casting ring surface for forming a wheel body and a first functional cavity for forming a functional part from inside to outside;
The cavity of the rear mold core is sequentially provided with a second central cylinder for forming a mounting hole, a second groove for forming a mounting ring, a second die-casting ring surface for forming a wheel body and a second functional cavity for forming a functional part from inside to outside;
The inner side of each loose core is provided with a die-casting semi-ring, and the two loose cores are opposite to each other and can be inserted into a cavity from between the front mold core and the rear mold core;
After the front mold core, the rear mold core and the loose cores are combined, the first central cylinder and the second central cylinder are coaxial, no gap exists between the first central cylinder and the second central cylinder, the first groove and the second groove are coaxial, the first die-casting ring surface and the second die-casting ring surface are coaxial, a gap is reserved between the first die-casting ring surface and the second die-casting ring surface and are parallel to each other, the first functional cavity and the second functional cavity are opposite to each other, the two die-casting semi-rings on the loose cores are combined into a die-casting ring, and the die-casting ring is positioned between the first functional cavity and the second functional cavity;
the manufacturing method of the alloy aluminum wheel comprises the following steps:
s1, sleeving a heat-resistant ring on a first central cylinder of the front mold core or a second central cylinder of the rear mold core;
s2, combining a front mold core, a rear mold core and two core pulling cores in the die casting mold;
s3, pressurizing the alloy material in a molten state and injecting the alloy material into a cavity of the die-casting die;
S4, after the alloy material is cooled, opening a front mold core, a rear mold core and two core pulling cores in the die casting mold, and demolding to obtain an alloy aluminum wheel blank;
S5, processing the alloy aluminum wheel blank to obtain a finished alloy aluminum wheel.
2. The alloy aluminum wheel as set forth in claim 1, wherein the outer ring of the heat-resistant ring forms a detent groove, the inner ring of the mounting ring forms a detent rib that mates with the detent groove, and the detent rib of the mounting ring snaps into the detent groove of the heat-resistant ring.
3. The alloy aluminum wheel as set forth in claim 1, wherein the wheel body is provided with a plurality of lightening holes with the mounting holes as symmetry centers.
4. The alloy aluminum wheel according to claim 1, wherein the functional part is a wire storage part.
5. The alloy aluminum wheel according to claim 1, wherein the functional part is a drawing part.
6. The alloy aluminum wheel according to claim 1, wherein the functional portion is a wire portion.
7. The method for manufacturing an aluminum alloy wheel according to claim 1, wherein the step S5 comprises:
S5.1, rough machining, namely removing a die casting water gap, a runner and redundant leftover materials which are connected with the alloy aluminum wheel blank;
S5.2, carrying out finish machining, namely clamping the alloy aluminum wheel blank on a CNC lathe to carry out finish machining on the surface of the alloy aluminum wheel blank;
S5.3, surface treatment, namely treating the surface of the alloy aluminum wheel blank to obtain the finished alloy aluminum wheel.
8. The method of manufacturing an aluminum alloy wheel according to claim 1, wherein the front mold core is provided with a plurality of first material reduction cylinders for forming weight reduction holes on the first die casting ring surface with the first central cylinder as a symmetry center;
the rear mold core is arranged on the second die-casting ring surface, and a plurality of second material reduction cylinders for forming the weight reduction holes are arranged on the second die-casting ring surface by taking the second central cylinder as a symmetrical center;
After the front mold core, the rear mold core and the core pulling are combined, the first material reduction cylinder and the second material reduction cylinder are coaxial, and no gap exists between the first material reduction cylinder and the second material reduction cylinder.
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