CN105772681A - Casting equipment for automobile hubs - Google Patents
Casting equipment for automobile hubs Download PDFInfo
- Publication number
- CN105772681A CN105772681A CN201610325625.4A CN201610325625A CN105772681A CN 105772681 A CN105772681 A CN 105772681A CN 201610325625 A CN201610325625 A CN 201610325625A CN 105772681 A CN105772681 A CN 105772681A
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- China
- Prior art keywords
- die cavity
- casting equipment
- independent
- automotive hub
- hub casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses casting equipment for automobile hubs and relates to the technical field of hub casting. The casting equipment for the automobile hubs comprises one or more low-pressure casting machines, and an independent die cavity is connected under each low-pressure casting machine; the casting equipment for the automobile hubs further comprises a common die cavity, a fluid supplementation opening is formed between the common die cavity and each independent die cavity, and the common die cavity communicates with the independent die cavities through the fluid supplementation openings; fluid supplementation valves matched with the fluid supplementation openings are arranged on the fluid supplementation openings; a feed door is arranged at the upper part of the common die cavity, and a heating and insulating device are arranged inside the common die cavity. According to the casting equipment for the automobile hubs, molten aluminum is injected into the common die cavity, the common die cavity supplements the molten aluminum to the independent die cavities, the supplementation frequency of the independent die cavities is greatly lowered, the casting quality of the aluminum alloy hubs is improved, ceaseless production of the hubs is realized, and the production efficiency is greatly improved.
Description
Technical field
The present invention relates to wheel hub casting technology field, particularly relate to a kind of automotive hub Casting Equipment suitable in aluminum-alloy wheel low pressure casting.
Background technology
One of wheel parts relating to automotive safety, steel wheel and aluminum-alloy wheel can be divided into, owing to aluminum-alloy wheel is compared with steel wheel, having many advantages such as lightweight, intensity big, brake compensation performance is good, precision is high, heat conductivity is good, automobile fuel consumption is low, therefore aluminum-alloy wheel has a wide range of applications.
The manufacturing technology of aluminum-alloy wheel mainly has casting and forging etc., and wherein widely used foundry engieering is divided into again gravitational casting and low pressure casting two kinds.The former manufacture process is simple, only the alloy of liquid need to be poured into cooling molding in mold, and its technique is simple, mould is durable, low cost of manufacture；The latter utilizes low pressure that the alloy of liquid is pressed into mold, and its molecular distribution is average, hole is less, density metal is high, intensity is big, and safety coefficient is high compared with the former, and moulding is also increasingly complex, attractive in appearance, more can meet the demand of people because of this latter.
Existing Automobile Wheel in Low Pressure Casting molding generally adopts air injection machine to carry out, and in process of production, for ensureing wheel hub quality, generally requires and supplements liquation in the die cavity of air injection machine.But, when opening feeding gate and carrying out fluid infusion, on the one hand the temperature in die cavity can be produced impact, on the other hand also due to liquation and air contact and produce oxide, therefore also needing to carry out adding gentle deoxidation thing again after fluid infusion processes, and its work efficiency is relatively low.Be additionally, since in fluid infusion process must drop heating power supply, stop producing, thus also having had a strong impact on the seriality produced.
Based on the above, need the automotive hub Casting Equipment that a kind of work efficiency is high, can realize wheel hub continuous prodution badly, to solve the problems referred to above.
Summary of the invention
It is an object of the invention to provide a kind of automotive hub Casting Equipment suitable in aluminum-alloy wheel low pressure casting molding, it is possible to realize the continuous prodution of wheel hub.
For reaching this purpose, the present invention by the following technical solutions:
A kind of automotive hub Casting Equipment, including at least one air injection machine, every air injection machine be connected below an independent die cavity, also include public die cavity simultaneously, it is equipped with fluid infusion mouth between described public die cavity and each independent die cavity, and is connected by fluid infusion mouth；Each described fluid infusion mouth place is provided with matched make-up valve；Described public die cavity be arranged over feeding gate, inside is provided with heating and heat-insulating device.
As the preferred version of a kind of automotive hub Casting Equipment, described air injection machine is provided with two, is connected with two corresponding independent die cavitys respectively, and described public die cavity is positioned at the centre of two independent die cavitys.
As the preferred version of a kind of automotive hub Casting Equipment, being equipped with boss between described public die cavity and each independent die cavity, described fluid infusion mouth is opened on described boss.
Preferred version as a kind of automotive hub Casting Equipment, described make-up valve includes cylinder, push rod and valve head, described cylinder is located at the outside of public die cavity, the output shaft of described cylinder is connected with one end of push rod, and drive push rod to move up and down in public die cavity, the other end of described push rod is connected with valve head, and the structure of the structure of described valve head and described fluid infusion mouth matches.
As the preferred version of a kind of automotive hub Casting Equipment, described push rod adopts ceramic material integral production molding with valve head.
As the preferred version of a kind of automotive hub Casting Equipment, in each described independent die cavity, it also is provided with heating and heat-insulating device.
As the preferred version of a kind of automotive hub Casting Equipment, described heating and heat-insulating device includes heater and thermocouple temperature measurement instrument, and described thermocouple temperature measurement instrument is connected to controller, and described controller is for controlling the heating of heater.
As the preferred version of a kind of automotive hub Casting Equipment, in each described independent die cavity, it is equipped with Level meter, for detecting the height of die cavity inner melt.
As the preferred version of a kind of automotive hub Casting Equipment, the top of each described independent die cavity is equipped with cleaning window, is used for foreign material and the residue of clearing up in die cavity.
As the preferred version of a kind of automotive hub Casting Equipment, the lower section of described public die cavity and each independent die cavity is equipped with discharge door, is used for discharging remaining liquid material.
The invention have the benefit that
The present invention by injecting molten aluminum liquid in public die cavity, in each independent die cavity, liquation is supplemented again by public die cavity, greatly reduce the feed supplement number of times of independent die cavity, reduce the probability of itself and air contact generation oxide, improve the castability of aluminium alloy wheel hub；And the heating and heat-insulating device in public die cavity, aluminum liquid can be maintained at uniform temperature, it is to avoid the trouble that liquid material is heated after flowing into independent die cavity again, eliminate the impact that wheel hub molding is caused by fluid infusion process；This device achieves that the uninterrupted production of wheel hub, substantially increase production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during the embodiment of the present invention is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to content according to embodiments of the present invention and these accompanying drawings obtain other accompanying drawing.
Fig. 1 is the external structure schematic diagram of the automotive hub Casting Equipment that embodiment of the present invention provides.
Fig. 2 is the mold cavity structural representation of the automotive hub Casting Equipment that embodiment of the present invention provides.
In figure:
1, air injection machine；2, independent die cavity；3, public die cavity；4, fluid infusion mouth；5, make-up valve；6, feeding gate；7, boss；8, cleaning window；9, discharge door；51, cylinder；52, push rod；53, valve head.
Detailed description of the invention
For the technical scheme making to present invention solves the technical problem that, adopting and the technique effect reached clearly, below in conjunction with accompanying drawing, the technical scheme of the embodiment of the present invention is described in further detail, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
As Figure 1-Figure 2, present embodiments provide for a kind of preferred automotive hub Casting Equipment, it is adaptable to aluminum-alloy wheel low pressure casting molding.This equipment includes two air injection machines 1, every air injection machine 1 be connected below an independent die cavity 2, be additionally provided with public die cavity 3 in the centre position of two independent die cavitys 2 simultaneously, public die cavity 3 is connected with each independent die cavity 2 by fluid infusion mouth 4；And each fluid infusion mouth 4 place is provided with matched make-up valve 5, for controlling the open and close of fluid infusion mouth 4；It addition, public die cavity 3 be also arranged above feeding gate 6, for adding molten aluminum liquid in public die cavity 3 or removing the oxide impurity in liquation, and the inside of public die cavity 3 is additionally provided with heating and heat-insulating device, for its interior aluminum liquid is heated and is incubated.
The present invention, in casting process, first opens feeding gate 6, injects molten aluminum liquid, then its interior liquation is heated, removed oxide process, be incubated after reaching predetermined temperature in public die cavity 3.As in figure 2 it is shown, when the make-up valve 5 in left side is opened, the solution in public die cavity 3 flows in the independent die cavity 2 in left side；When the make-up valve 5 on right side is opened, the solution in public die cavity 3 flows in the independent die cavity 2 on right side.The present invention supplements liquation by public die cavity 3 in each independent die cavity 2, greatly reduces the feed supplement number of times of independent die cavity 2, reduces the probability of itself and air contact generation oxide, improves the castability of aluminium alloy wheel hub；And the heating and heat-insulating device in public die cavity 3, aluminum liquid can be maintained at uniform temperature, it is to avoid the trouble that liquid material is heated after flowing into independent die cavity 2 again, eliminate the impact that wheel hub molding is caused by fluid infusion process；This device achieves that the uninterrupted production of wheel hub, substantially increase production efficiency.
As preferably, being provided with dividing plate between public die cavity 3 and each independent die cavity 2, the bottom of dividing plate is provided with boss 7, and each boss 7 offers fluid infusion mouth 4, is used for connecting public die cavity 3 and independent die cavity 2.Further, each fluid infusion mouth 4 be arranged over make-up valve 5, make-up valve 5 includes cylinder 51, push rod 52 and valve head 53, wherein cylinder 51 is located at the outside of public die cavity 2, and the output shaft of cylinder 51 is connected with one end of push rod 52, and drives push rod 52 to move up and down in public die cavity 3, the other end of push rod 52 is connected with valve head 53, the profile of valve head 53 is flange shape, and matches with the structure of fluid infusion mouth 4, for being tightly connected with fluid infusion mouth 4.When not needing fluid infusion, cylinder 51 applies certain pressure in push rod 52, makes valve head 53 be in close contact with the fluid infusion mouth 4 on boss 7, to reach sealing effectiveness；When needing fluid infusion, cylinder 51 applies pulling force makes push rod 52 move up, and drives valve head 53 away from fluid infusion mouth 4, so that the aluminum liquid stream in public die cavity 3 enters in corresponding independent die cavity 2.Herein, cylinder 51 can also replace with hydraulic cylinder, as long as push rod 52 can be driven to move up and down.It addition, push rod 52 of the present invention adopts ceramic material integral production molding with valve head 53, ceramic material ensure that the high temperature resistant anti-oxidation of make-up valve 5, and integral structure imparts the good intensity of make-up valve 5, and is easy to processing and manufacturing.
As preferably, also being provided with heating and heat-insulating device in each independent die cavity 2, for the aluminum liquid in independent die cavity 2 is heated, the temperature to ensure wheel hub in casting process keeps will not reducing within the specific limits.Specifically, during cast, the temperature of aluminum liquid should control within the scope of 685-710 DEG C.Here, the principle that this temperature is determined is: under the premise ensureing casting forming, pouring temperature is more low more good.Pouring temperature is high, shapes favourable to the wheel rim of wheel hub, but is inclined to big to the spot shrinkage of spoke, and crystal grain is also thick, reduces the mechanical performance of wheel hub.Certainly, can not reducing pouring temperature excessively, otherwise the wheel rim meeting premature solidification of wheel hub lower part, loses the chance of crystallization under pressure.Further, the heating and heat-insulating device of present embodiment includes heater and thermocouple temperature measurement instrument, and wherein heater adopts siliconit heating, and heat, by the mode radiated, conduct, makes temperature of aluminum liquid in die cavity constant；And thermocouple temperature measurement instrument is for detecting the temperature of liquation, and testing result is fed back to controller, then controlled heater work by controller, it is to avoid the too high or too low impact that wheel hub molding is caused of melt temperature.
It is preferred that, it being additionally provided with Level meter in each independent die cavity 2, liquid level monitor includes mould Level meter and counterdie Level meter, is respectively used to the upper and lower mould liquid level of casting die is detected.When air injection machine 1 is in temperature with liquid level proper states, can uninterruptedly the wheel hub in each independent die cavity 2 be cast.It addition, the top of each independent die cavity 2 is equipped with cleaning window 8, it is used for foreign material and the residue of clearing up in each die cavity；The lower section of public die cavity 3 and each independent die cavity 2 is equipped with discharge door 9, for, after casting completes, discharging remaining liquid material.The present invention utilizes public die cavity 3 to realize aluminum liquid and supplements, and not only improves the heterogeneous microstructure of liquation and the mechanical performance of product, and substantially increases the production efficiency of wheel hub.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention being described in further detail by above example, but the present invention is not limited only to above example, when without departing from present inventive concept, other Equivalent embodiments more can also be included, and the scope of the present invention is determined by appended right.
Claims (10)
1. an automotive hub Casting Equipment, including at least one air injection machine (1), every air injection machine (1) be connected below an independent die cavity (2), it is characterized in that, also include public die cavity (3), it is equipped with fluid infusion mouth (4) between described public die cavity (3) and each independent die cavity (2), and is connected by fluid infusion mouth (4)；Each described fluid infusion mouth (4) place is provided with matched make-up valve (5)；Described public die cavity (3) be arranged over feeding gate (6), inside is provided with heating and heat-insulating device.
2. automotive hub Casting Equipment according to claim 1, it is characterized in that, described air injection machine (1) is provided with two, being connected with two corresponding independent die cavitys (2) respectively, described public die cavity (3) is positioned at the centre of two independent die cavitys (2).
3. automotive hub Casting Equipment according to claim 1 and 2, it is characterized in that, being equipped with boss (7) between described public die cavity (3) and each independent die cavity (2), described fluid infusion mouth (4) is opened on described boss (7).
4. automotive hub Casting Equipment according to claim 3, it is characterized in that, described make-up valve (5) includes cylinder (51), push rod (52) and valve head (53), described cylinder (51) is located at the outside of public die cavity (3), the output shaft of described cylinder (51) is connected with one end of push rod (52), and drive push rod (52) to move up and down in public die cavity (3), the other end of described push rod (52) is connected with valve head (53), the structure of the structure of described valve head (53) and described fluid infusion mouth (4) matches.
5. automotive hub Casting Equipment according to claim 4, it is characterised in that described push rod (52) adopts ceramic material integral production molding with valve head (53).
6. automotive hub Casting Equipment according to claim 1 and 2, it is characterised in that also be provided with heating and heat-insulating device in each described independent die cavity (2).
7. automotive hub Casting Equipment according to claim 6, it is characterised in that described heating and heat-insulating device includes heater and thermocouple temperature measurement instrument, and described thermocouple temperature measurement instrument is connected to controller, described controller is for controlling the heating of heater.
8. automotive hub Casting Equipment according to claim 1 and 2, it is characterised in that be equipped with Level meter in each described independent die cavity (2), for detecting the height of die cavity inner melt.
9. automotive hub Casting Equipment according to claim 8, it is characterised in that the top of each described independent die cavity (2) is equipped with cleaning window (8), is used for foreign material and the residue of clearing up in die cavity.
10. automotive hub Casting Equipment according to claim 9, it is characterised in that the lower section of described public die cavity (3) and each independent die cavity (2) is equipped with discharge door (9), is used for discharging remaining liquid material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610325625.4A CN105772681A (en) | 2016-05-17 | 2016-05-17 | Casting equipment for automobile hubs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610325625.4A CN105772681A (en) | 2016-05-17 | 2016-05-17 | Casting equipment for automobile hubs |
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| Publication Number | Publication Date |
|---|---|
| CN105772681A true CN105772681A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610325625.4A Pending CN105772681A (en) | 2016-05-17 | 2016-05-17 | Casting equipment for automobile hubs |
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| Country | Link |
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| CN (1) | CN105772681A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661971A (en) * | 2016-07-31 | 2018-02-06 | 浙江跃岭股份有限公司 | A kind of liquefying plant of low pressure casting aluminum alloy wheel hub |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06154992A (en) * | 1992-11-13 | 1994-06-03 | Kobe Steel Ltd | Low pressure casting apparatus for mg alloy |
| EP0846509A1 (en) * | 1996-12-05 | 1998-06-10 | General Motors Corporation | Two-chamber furnace for countergravity casting |
| CN201596759U (en) * | 2009-10-22 | 2010-10-06 | 山西银光华盛镁业股份有限公司 | Double-crucible low pressure casting machine |
| CN201940577U (en) * | 2011-04-20 | 2011-08-24 | 中信戴卡轮毂制造股份有限公司 | Heat preserving furnace of low-pressure casting wheel |
| CN104625018A (en) * | 2015-03-09 | 2015-05-20 | 江苏天宏机械工业有限公司 | Three-chamber electrical heating and heat preserving furnace for continuously-pressurized molten aluminum |
| CN204565088U (en) * | 2015-03-09 | 2015-08-19 | 江苏天宏机械工业有限公司 | Three Room continuous pressure aluminium liquid electrical heating holding furnaces |
| CN205732911U (en) * | 2016-05-17 | 2016-11-30 | 昆山六丰机械工业有限公司 | A kind of automotive hub Casting Equipment |
-
2016
- 2016-05-17 CN CN201610325625.4A patent/CN105772681A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06154992A (en) * | 1992-11-13 | 1994-06-03 | Kobe Steel Ltd | Low pressure casting apparatus for mg alloy |
| EP0846509A1 (en) * | 1996-12-05 | 1998-06-10 | General Motors Corporation | Two-chamber furnace for countergravity casting |
| CN201596759U (en) * | 2009-10-22 | 2010-10-06 | 山西银光华盛镁业股份有限公司 | Double-crucible low pressure casting machine |
| CN201940577U (en) * | 2011-04-20 | 2011-08-24 | 中信戴卡轮毂制造股份有限公司 | Heat preserving furnace of low-pressure casting wheel |
| CN104625018A (en) * | 2015-03-09 | 2015-05-20 | 江苏天宏机械工业有限公司 | Three-chamber electrical heating and heat preserving furnace for continuously-pressurized molten aluminum |
| CN204565088U (en) * | 2015-03-09 | 2015-08-19 | 江苏天宏机械工业有限公司 | Three Room continuous pressure aluminium liquid electrical heating holding furnaces |
| CN205732911U (en) * | 2016-05-17 | 2016-11-30 | 昆山六丰机械工业有限公司 | A kind of automotive hub Casting Equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661971A (en) * | 2016-07-31 | 2018-02-06 | 浙江跃岭股份有限公司 | A kind of liquefying plant of low pressure casting aluminum alloy wheel hub |
| CN107661971B (en) * | 2016-07-31 | 2023-02-28 | 浙江跃岭股份有限公司 | Liquefying device for low-pressure casting aluminum alloy hub |
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Application publication date: 20160720 |