CN208004776U - A kind of air pressure supercharging device for wheel hub casting - Google Patents
A kind of air pressure supercharging device for wheel hub casting Download PDFInfo
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- CN208004776U CN208004776U CN201820879716.7U CN201820879716U CN208004776U CN 208004776 U CN208004776 U CN 208004776U CN 201820879716 U CN201820879716 U CN 201820879716U CN 208004776 U CN208004776 U CN 208004776U
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- plenum
- wheel hub
- pipe
- liquid storage
- storage bucket
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Abstract
The utility model provides a kind of air pressure supercharging device for wheel hub casting, including：Plenum branch, plenum branch include air accumulator, plenum pipe and plenum control unit, and for storing and providing compressed gas, plenum control unit is connected on plenum pipe air accumulator；Liquid storage bucket, liquid storage bucket are mounted in the upper mold of casting mould, and wheel hub casting mold cavity is formed in casting mould, and the molten metal storage room being connected with wheel hub casting mold cavity is formed between liquid storage bucket and casting mould；Molten metal storage room is connected with air accumulator by plenum pipe；Exhaust pressure relief branch, exhaust pressure relief branch include exhaust pressure relief pipe and exhaust pressure relief control unit, and exhaust pressure relief pipe is connected on plenum pipe on one end of liquid storage bucket；Exhaust pressure relief control unit is connected on exhaust pressure relief pipe.The air pressure supercharging device of the utility model, the simple in structure, rejection rate that can realize high-pressure casting, improve wheel hub casting property, reducing hub cast.
Description
Technical field
The utility model is related to pressurized equipment technical fields more particularly to a kind of air pressure for wheel hub casting to be pressurized dress
It sets.
Background technology
Wheel hub is the important spare part of automobile, and the quality of wheel hub blank has large effect to the quality of wheel hub；Currently,
Gravitational casting and low pressure casting use are more universal, but can be applied limited pressure by equipment limit, are molded at low pressures
The pressure of crystallization and freezing, the general mesolow casting for being applicable in production is only 0.9~1.2KGF/ ㎝2, and then there is liter in intensified pressure
The security risk that liquid pipe is split, furnace body easily explodes.Under the limitation of low-pressure, crystallization and freezing process feeding is insufficient, casting
The product produced the defects of there are tissue looseness, pin hole, cinder hole, stomatas.
Utility model content
Therefore, in view of the above problems, the purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, one kind is provided
It is simple in structure, can realize high-pressure casting, improve wheel hub casting property, the rejection rate for reducing hub cast for wheel hub casting
Air pressure supercharging device.
The technical solution that the utility model solves above-mentioned technical problem technology is as follows：One kind provided by the utility model is used for
The air pressure supercharging device of wheel hub casting, including：
Plenum branch, the plenum branch include air accumulator, plenum pipe and plenum control unit,
For storing and providing compressed gas, plenum control unit is connected on the plenum pipe air accumulator；
Liquid storage bucket, the liquid storage bucket are mounted in the upper mold of casting mould, and wheel hub cast moulding is formed in the casting mould
Chamber forms the molten metal storage room being connected with wheel hub casting mold cavity between the liquid storage bucket and casting mould；The molten metal
Storage room is connected with the air accumulator by plenum pipe；
Exhaust pressure relief branch, the exhaust pressure relief branch include exhaust pressure relief pipe and exhaust pressure relief control unit, the row
Gas relief tube is connected on the plenum pipe on one end of the liquid storage bucket；The exhaust pressure relief control unit connection
On the exhaust pressure relief pipe.
The utility model has the beneficial effects that：Air pressure supercharging device provided by the utility model for wheel hub casting applies
High pressure is provided with liquid storage bucket in upper mold, forms the molten metal for storing molten metal between the liquid storage bucket and casting mold cavity and stores
Room, what casting into casting mold cavity carried out feeding injects molten metal into casting mold cavity, filled with gold in molten metal storage room
Belong to liquid, after casting complete, indoor molten metal is stored to the molten metal by the air pressure supercharging device and applies high pressure, it is described
Molten metal stores casting of the indoor molten metal under high pressure gas pressure into casting mold cavity and carries out abundant feeding, overcomes low pressure
Under the limitation of power, crystallization and freezing process feeding is insufficient, and there are tissue looseness, pin hole, cinder hole, stomatas etc. to lack for the product cast out
It falls into, improves the quality of wheel hub, also reduce the rejection rate of casting.
In addition, in the above-described embodiments for wheel hub casting air pressure supercharging device on the basis of, the utility model is also
Following improvement can be done, there can also be following additional technical feature.
Further, the plenum control unit includes pressure-control valve and solenoid valve one, the pressure-control valve and
The solenoid valve one is connected in turn on plenum pipe, and the solenoid valve one is connected with the time relay, the time after
Electrical Appliances & Control module is connected；Whether the pressure-control valve reaches setting value, control compensation according to the pressure in liquid storage bucket
Air inlet makes the pressure in the liquid storage bucket reach setting value and keep constant, and is easy to implement the pressurization of different sections cooling time and needs
It asks, and can ensure that steady pressurization.
Further, the plenum control unit further includes check valve one, and the check valve one is connected to the liquid storage
On plenum pipe between bucket and solenoid valve one；Be conducive to exhaust pressure relief.
Further, the plenum pipe includes isocon and header, the entrance of the isocon and the air accumulator
Gas outlet be connected, the gas outlet of the header is connected by connecting tube with the liquid storage bucket；
Be connected with the more connecting branches being arranged in parallel between the isocon and header, more connecting branches it
Between be respectively connected with the pressure-control valve, solenoid valve one and check valve one, the solenoid valve respectively with the time relay
It is connected, the time relay is connected with control module；It is easy to implement and pressurizes stage by stage, the range of pressure adjustable section
Greatly, different pressurization demands can be met.
Further, the exhaust pressure relief control unit includes solenoid valve two, and the solenoid valve two is connected to exhaust pressure relief pipe
On, the solenoid valve two is connected with the time relay, and the time relay is connected with control module；Be conducive to timing to arrange
Casting is taken out in die sinking after pressure.
Further, the exhaust pressure relief control unit further includes check valve two, and the check valve two is connected to the exhaust
On one end equipped with exhaust outlet of relief tube；Be conducive to prevent outside air from entering in liquid storage bucket.
Further, the gas of the air accumulator storage is dry air.
Further, it is connected with surge tank between the outlet port of the plenum pipe and the liquid storage bucket；Surge tank energy
Portion gas is stored, Quick air-discharge pressure release is conducive to.
Further, the liquid storage bucket is in the circular cone shape structure of upper and lower both ends open, and big opening end is mounted on described downward
In upper mold core.By the way that liquid storage bucket to be arranged to the circular cone structure of upper and lower ends opening, be conducive to the gold being stored in liquid storage bucket
Belong to hub cast of the liquid in the case where air pressure supercharging device applies pressure into casting mold cavity and carries out feeding.
Further, the heating device for carrying out heat temperature raising to liquid storage bucket is equipped on the outside of the liquid storage bucket.Favorably
In being evenly heated the molten metal of molten metal storage room using heating mantle, prevent from being stored in the indoor metal of molten metal storage
Liquid, since temperature is reduced into solidification, influences feeding effect before carrying out feeding.
Description of the drawings
Fig. 1 is the overall structure diagram of the air pressure supercharging device for wheel hub casting of the utility model；
Fig. 2 is the structural schematic diagram of the embodiments of the present invention two.
Wherein, the label in attached drawing is respectively：
1, plenum branch, 2, exhaust pressure relief branch, 3, liquid storage bucket, 4, upper mold core, 5, pressure-control valve, 6, electromagnetism
Valve, 7, check valve, 8, the time relay, 9, control module, 10, isocon, 11, header, 12, connecting tube, 13, exhaust pressure relief
Pipe, 14, air accumulator connecting tube, 15, surge tank, 16, solenoid valve, 17, check valve.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to be implemented different from other modes described here using other, therefore, the scope of protection of the utility model is simultaneously
It is not limited by following public specific embodiment.
Embodiment one：
As shown in Figure 1, the air pressure supercharging device provided in this embodiment for wheel hub casting, including：
Plenum branch 1, plenum branch 1 include air accumulator, plenum pipe and plenum control unit, storage
For storing and providing compressed gas, plenum control unit is connected on plenum pipe gas tank；Specifically, air accumulator
It is connect with isocon 10 by air accumulator connecting tube 14.
The air pressure supercharging device of the present embodiment further includes liquid storage bucket 3, and liquid storage bucket 3 is mounted in the upper mold of casting mould, casting
Wheel hub casting mold cavity is formed in modeling tool, forms the metal being connected with wheel hub casting mold cavity between liquid storage bucket 3 and casting mould
Liquid storage room；Specifically, the liquid storage bucket 3 of the present embodiment is used to store molten metal carries out feeding to the hub cast of casting and forming,
Liquid storage bucket 3 is mounted in the upper mold core 4 of the upper mold in casting mould, and the side mould and bed die in upper mold and casting mould mold shape
At wheel hub casting mold cavity；In addition, for the ease of the molten metal in liquid storage bucket 3 when casting convenient for flowing, the present embodiment is by liquid storage bucket 3
It is arranged in circular cone shape structure；Liquid storage bucket 3 can also be in the structures such as pyrometric cone.
Liquid storage bucket 3 in the present embodiment is connected with air accumulator by plenum pipe；Exhaust is additionally provided in the present embodiment
Pressure release branch 2, exhaust pressure relief branch 2 include exhaust pressure relief pipe 13 and exhaust pressure relief control unit, and exhaust pressure relief pipe 13 is connected to
On plenum pipe on one end of liquid storage bucket 3；Exhaust pressure relief control unit is connected on exhaust pressure relief pipe 13.Specifically,
Wheel hub casting and forming is carried out using the air pressure supercharging device of the present embodiment, applies pressure up to 3~6KGF/ ㎝2, it is equivalent to low pressure
Cast 0.9~1.2KGF/ ㎝23~4 times.
Specifically, the air pressure supercharging device of the present embodiment stores what indoor molten metal pressurizeed to being stored in molten metal
Mode is pressurizeed for segmented；Such as：Indoor six sections of pressurizations of molten metal progress are stored to being stored in molten metal, wherein first segment,
In the period of 1~3S, moulding pressure is 0.5~0.8KGF/cm2；Second segment, in the period of 3~10S, moulding pressure is
0.8~2KGF/cm2；Third section, in the period of 10~15S, moulding pressure is 2~6KGF/cm2；4th section, in 15~50S
Period, moulding pressure be 6~3KGF/cm2；5th section, in the period of 50~150S, moulding pressure is 3~2KGF/
cm2；6th section, in the period of 150~210S, moulding pressure is 2~1.5KGF/cm2.When it is implemented, in first segment to
In three sections, every section of pressure is in incremental trend；And pressurize at the 4th section to the 6th section, the trend that pressure tapers off.
Specifically, above-mentioned segmented pressuring method through this embodiment, in the regular hour, at a higher pressure,
The wheel hub of high-quality can be cast out.Make molten metal that feeding be rapidly completed by being gradually increased pressure, over time, then
Continuously decrease pressure；Be conducive to prevent by reason of heavy pressure and molten metal is made to be overflowed from each gap of mold, over time,
Molten metal mobility reduces, intensified pressure, is conducive to carry out abundant feeding to wheel hub.
Specifically, the air pressure supercharging device application high pressure of the present embodiment is formed between liquid storage bucket 3 and casting mold cavity and is used for
Store the molten metal storage room of molten metal, what casting into casting mold cavity carried out feeding injects molten metal into casting mold cavity,
It is filled with molten metal in molten metal storage room, after casting complete, indoor metal is stored to molten metal by air pressure supercharging device
Liquid applies high pressure, and molten metal stores casting of the indoor molten metal under high pressure gas pressure into casting mold cavity and fully mended
Contracting overcomes and occurs that crystallization and freezing process feeding is insufficient, and there are tissue looseness, needles for the product cast out under the limitation of low-pressure
The defects of hole, cinder hole, stomata, improves the quality of wheel hub, also reduces the rejection rate of casting.
In one embodiment of the utility model, as shown in Figure 1, plenum control unit includes pressure-control valve 5
With solenoid valve 1, pressure-control valve 5 and solenoid valve 1 are connected in turn on plenum pipe, solenoid valve 1 and time relay
Device 8 is connected, and the time relay 8 is connected with control module 9；Whether pressure-control valve 5 reaches according to the pressure in liquid storage bucket 3
Setting value, control compensation air inlet makes the pressure in liquid storage bucket 3 reach setting value and keep constant, when being easy to implement different cooling
Between section pressurization demand, and can ensure that steady pressurization.
In one embodiment of the utility model, as shown in Figure 1, plenum control unit further includes check valve 1,
Check valve 1 is connected on the plenum pipe between liquid storage bucket 3 and solenoid valve 1；Ensure that gas unidirectional flows, is conducive to protect
Pressure or supercharging.
In one embodiment of the utility model, as shown in Figure 1, plenum pipe includes isocon 10 and header
11, the entrance of isocon 10 is connected with the gas outlet of air accumulator, and the gas outlet of header 11 passes through connecting tube 12 and liquid storage bucket 3
It is connected；
It is connected with more connecting branches between isocon 10 and header 11, is respectively connected between more connecting branches
Pressure-control valve 5, solenoid valve 1 and check valve 1, solenoid valve 1 are respectively connected with the time relay 8, time relay
Device 8 is connected with control module 9；It is easy to implement and pressurizes stage by stage, the range of pressure adjustable section is big, can meet different pressurizations
Demand.In addition, being connected with pressure-control valve 5 in air accumulator connecting tube 14 between the air accumulator and isocon 10 of the present embodiment.
In one embodiment of the utility model, as shown in Figure 1, exhaust pressure relief control unit includes solenoid valve 2 16,
Solenoid valve 2 16 is connected in turn on exhaust pressure relief pipe 13, and solenoid valve 2 16 is connected with the time relay 8, the time relay 8
It is connected with control module 9；Be conducive to being turned on and off by 8 timing controlled solenoid valve 2 16 of the time relay, realize and increase
Pressure or row pressure.
In one embodiment of the utility model, as shown in Figure 1, exhaust pressure relief control unit further includes check valve two
17, check valve 2 17 is connected on one end equipped with exhaust outlet of exhaust pressure relief pipe 13；Be conducive to prevent outside air from entering storage
In liquid bucket 3.
In one embodiment of the utility model, as shown in Figure 1, the gas of air accumulator storage is dry air；Gas
Body is the air of drying, air source economy；Furthermore it is possible to replace air using nitrogen.
In one embodiment of the utility model, as shown in Figure 1, liquid storage bucket 3 is in the circular cone shape of upper and lower both ends open
Structure, big opening end are mounted in upper mold core 4 downward.Liquid storage bucket 3 is arranged to the circular cone structure of upper and lower ends opening, favorably
It is mended in hub cast of the molten metal being stored in liquid storage bucket 3 in the case where air pressure supercharging device applies pressure into casting mold cavity
Contracting.
In one embodiment of the utility model, as shown in Figure 1, the outside of liquid storage bucket 3 is equipped with for liquid storage bucket 3
Carry out the heating device of heat temperature raising.Specifically, it is the heating mantle of 1.5~2.5KW to liquid storage bucket 3 to use power in the present embodiment
It is heated, is conducive to be evenly heated the indoor molten metal of molten metal storage, prevents from being stored in molten metal storage room
Molten metal before carrying out feeding due to temperature reduce at solidification, influence feeding effect.
Embodiment two：
It is further improved on the basis of two embodiment one of the present embodiment, the gas provided in this embodiment for wheel hub casting
Supercharging device is pressed, as shown in Fig. 2, being connected with surge tank 15 between the outlet port of plenum pipe and liquid storage bucket 3.The present embodiment
By being connected with surge tank 15 between the outlet port of plenum pipe and liquid storage bucket 3, surge tank 15 can store portion gas,
Be conducive to Quick air-discharge pressure release.Specifically, exhaust pressure relief pipe 13 is located on 15 side wall of surge tank by the present embodiment.
Specifically, the air pressure supercharging device of the present embodiment applies high pressure forms use between liquid storage bucket 3 and casting mold cavity
In the molten metal storage room of storage molten metal, what casting into casting mold cavity carried out feeding injects metal into casting mold cavity
Liquid, is filled with molten metal in molten metal storage room, and after casting complete, indoor gold is stored to molten metal by air pressure supercharging device
Belong to liquid apply high pressure, the present embodiment casting pressure up to 3~6KGF/ ㎝2Pressure under, molten metal stores indoor metal
Casting of the liquid under high pressure gas pressure into casting mold cavity carries out abundant feeding, and crystallization and freezing process feeding is abundant, casts out
Product that there are tissues is good, the wheel hub quality of production is good, meanwhile, also reduce the rejection rate of casting.
In addition, in addition to technical solution disclosed in the present embodiment, for the pressure-control valve of the utility model, solenoid valve,
Check valve, time relay etc. can refer to the conventional techniques of the art, and these conventional techniques are not this yet
The emphasis of utility model, the utility model herein without stating in detail.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection,
Can be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the description of the utility model, it is to be understood that the orientation of the instructions such as term "upper", "lower", "front", "rear" or
Position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Specific direction must be had, with specific azimuth configuration and operation by not indicating or implying the indicated device or unit, because
This, should not be understood as limiting the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of air pressure supercharging device for wheel hub casting, which is characterized in that including：
Plenum branch, the plenum branch include air accumulator, plenum pipe and plenum control unit, described
For storing and providing compressed gas, the plenum control unit is connected on the plenum pipe air accumulator；
Liquid storage bucket, the liquid storage bucket are mounted in the upper mold of casting mould, and wheel hub casting mold cavity, institute are formed in the casting mould
State the molten metal storage room that formation is connected with wheel hub casting mold cavity between liquid storage bucket and casting mould；
The molten metal storage room is connected with the air accumulator by plenum pipe；
Exhaust pressure relief branch, the exhaust pressure relief branch include exhaust pressure relief pipe and exhaust pressure relief control unit, and the exhaust is let out
Pressure pipe is connected on the plenum pipe on one end of the liquid storage bucket；The exhaust pressure relief control unit is connected to institute
It states on exhaust pressure relief pipe.
2. a kind of air pressure supercharging device for wheel hub casting according to claim 1, which is characterized in that
The plenum control unit includes pressure-control valve and solenoid valve one, the pressure-control valve and the solenoid valve one
It is connected in turn on plenum pipe, the solenoid valve one is connected with the time relay, the time relay and control mould
Block is connected.
3. a kind of air pressure supercharging device for wheel hub casting according to claim 2, which is characterized in that
The plenum control unit further includes check valve one, and the check valve one is connected to the liquid storage bucket and solenoid valve one
Between plenum pipe on.
4. a kind of air pressure supercharging device for wheel hub casting according to claim 3, which is characterized in that
The plenum pipe includes isocon and header, and the entrance of the isocon is connected with the gas outlet of the air accumulator
It connects, the gas outlet of the header is connected by connecting tube with the liquid storage bucket；
It is connected with the more connecting branches being arranged in parallel between the isocon and header, between the more connecting branches
Be connected separately with the pressure-control valve, the solenoid valve one and the check valve one, the solenoid valve respectively with the time after
Electric appliance is connected.
5. a kind of air pressure supercharging device for wheel hub casting according to claim 4, which is characterized in that
The exhaust pressure relief control unit includes solenoid valve two, and the solenoid valve two is connected on exhaust pressure relief pipe, the electromagnetism
Valve two is connected with the time relay.
6. a kind of air pressure supercharging device for wheel hub casting according to claim 5, which is characterized in that
The exhaust pressure relief control unit further includes check valve two, and the check valve two is connected to being equipped with for the exhaust pressure relief pipe
On one end of exhaust outlet.
7. a kind of air pressure supercharging device for wheel hub casting according to claim 1, which is characterized in that
The gas of the air accumulator storage is the air of drying.
8. a kind of air pressure supercharging device for wheel hub casting according to claim 1, which is characterized in that
It is connected with surge tank between the outlet port of the plenum pipe and the liquid storage bucket.
9. a kind of air pressure supercharging device for wheel hub casting according to claim 1, which is characterized in that
The liquid storage bucket is in the circular cone shape structure of upper and lower both ends open, and big opening end is mounted in the upper mold core downward.
10. a kind of air pressure supercharging device for wheel hub casting according to any one of claim 1 to 9, feature exist
In,
The heating device for carrying out heat temperature raising to liquid storage bucket is equipped on the outside of the liquid storage bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820879716.7U CN208004776U (en) | 2018-06-07 | 2018-06-07 | A kind of air pressure supercharging device for wheel hub casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820879716.7U CN208004776U (en) | 2018-06-07 | 2018-06-07 | A kind of air pressure supercharging device for wheel hub casting |
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| CN208004776U true CN208004776U (en) | 2018-10-26 |
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ID=63893502
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| CN201820879716.7U Active CN208004776U (en) | 2018-06-07 | 2018-06-07 | A kind of air pressure supercharging device for wheel hub casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513899A (en) * | 2018-11-15 | 2019-03-26 | 哈尔滨工业大学 | A kind of large-scale intelligent fission synchronzed press device and boosting method |
-
2018
- 2018-06-07 CN CN201820879716.7U patent/CN208004776U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513899A (en) * | 2018-11-15 | 2019-03-26 | 哈尔滨工业大学 | A kind of large-scale intelligent fission synchronzed press device and boosting method |
| CN109513899B (en) * | 2018-11-15 | 2020-07-14 | 哈尔滨工业大学 | Large intelligent split synchronous pressurizing device and pressurizing method |
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Effective date of registration: 20190410 Address after: 550000 Unit 1702, No. 3, No. 55 Guanshui Road, Nanming District, Guiyang City, Guizhou Province Patentee after: Tian Pingkang Address before: 550399 Second Floor of Transportation Bureau, 204 Kaizhou Avenue, Chengguan Town, Kaiyang County, Guiyang City, Guizhou Province Patentee before: Guizhou Hua Yu Feng Wheel Manufacturing Co., Ltd. |