CN104550833A - Casting structure for vehicle wheel rough castings - Google Patents
Casting structure for vehicle wheel rough castings Download PDFInfo
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- CN104550833A CN104550833A CN201510009178.7A CN201510009178A CN104550833A CN 104550833 A CN104550833 A CN 104550833A CN 201510009178 A CN201510009178 A CN 201510009178A CN 104550833 A CN104550833 A CN 104550833A
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- die cavity
- wheel blanks
- molten metal
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Abstract
The invention relates to a casting structure for vehicle wheel rough castings. The casting structure comprises a die and a pressure pipe; the die is provided with a liquid inlet, a cavity and a pressure charging opening; the cavity is located in the die and matched with a vehicle wheel blank in shape; the liquid inlet is located on one side of the cavity and communicated with the cavity and the outside of the die; a molten metal goes into the cavity via the liquid inlet for forming a casting with the vehicle wheel blank shape; the pressure charging opening is located on the cavity above the position of the vehicle wheel blank mounting surface; the pressure pipe is connected with the pressure charging opening; a first electromagnetic valve is arranged on the pressure pipe; the first electromagnetic valve is opened and closed to control whether the pressure charging pipe is communicated with the cavity. The casting structure for the vehicle wheel rough castings is similar to the existing gravity process in molten metal injection manner; compared with the existing low-pressure process, the equipment cost is only 1/5 of that of the existing low-pressure process, and meanwhile, a lot of consumables can be saved; the pressure pipe is utilized to perform pressure feeding on the part reduced due to internal contraction of the molten metal by use of air pressure, and therefore, high-quality castings can be produced stably, and simultaneously, a riser for feeding in the gravity process is omitted, and the waste of raw materials can be avoided.
Description
Technical field
The present invention relates to metal casting casting field, specifically, relate to a kind of wheel blanks cast casting structure.
Background technology
At present, for the rough-cast of aluminum-alloy wheel, the technique that conventional Application comparison is many has gravitational casting and low pressure casting.
Gravity technique is relatively simple: aluminium liquid directly scoops out inside smelting furnace that to pour mould into just passable.This defective workmanship is that gravity feeding needs to design rising head, the setting time of rising head will be later than the time of finishing section, in the process cooled gradually, not solidified part forms feeding to the part of solidifying, and the rising head therefore designed needs are enough large ensures last cooling to hold abundant aluminium liquid.This causes the blank wheel produced very heavy and waste a large amount of aluminium, gravity feeding is that the aluminium liquid deadweight of leaning on adds terrestrial gravitation aluminium liquid have been flowed feeding to constriction in addition, the less feeding of its kinetic energy is insufficient, cause Internal Quality of Cast unstable, surface quality is also not as the effect of aluminium liquid crystallization under stress simultaneously.
Low pressure process needs more complicated equipment: first will inside smelting furnace, aluminium liquid be poured into inside the casting ladle of transhipment, squeezes into mold cavity inside the holding furnace then with fork truck the aluminium liquid inside casting ladle being poured into board finally by the aluminium liquid added to holding furnace inside pressure handle.Because temperature of aluminum liquid is very high and liquid aluminium molecule is very active in this process, be easy to the container corroding other, cause the holding furnace of casting ladle and board just to need overhaul once with several years, change the insulation material of the inside.In addition aluminium liquid is driven into this stage inside die cavity, aluminium liquid needs through stalk, intervalve, ceramic sprue bush, and these materials are all industrial ceramics, belongs to the consumptive material that will often change, and change stalk complicated operation and require very high, thus or consumable accessory.In addition, consider and need the lasting maintenance heated condition power 30KW such as holding furnace while not producing (comprise), the Elema making holding furnace maintain high temperature on average uses just to be needed to change less than one month.Therefore, in low pressure process, the expenses such as the casting ladle of transhipment aluminium liquid and the mould of low pressure comprehensively contrast gravity technique equipment investment cost through calculating and exceed a lot, and maintenance cost have also exceeded the cost of material of gravity technique waste.The liquid mode that enters of low pressure process up enters die cavity from bottommost in addition, and the free degree determining cast gate scheme is little, thus limits product specification.
Summary of the invention
Main purpose of the present invention is, a kind of wheel blanks cast casting structure is provided, it is not high that technical problem to be solved is to waste raw material, product quality in existing gravity foundry technology, and equipment and maintenance cost is high, energy consumption is large problem in low-pressure casting process.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of wheel blanks cast casting structure that the present invention proposes, comprise: mould, described mould is provided with liquid inlet, die cavity, pressurization mouth, described die cavity is positioned at described mould, conform to wheel blanks shape, described liquid inlet is positioned at the sidepiece of described die cavity, be communicated with the outside of described die cavity and described mould, molten metal enters described die cavity from described liquid inlet, for the formation of the foundry goods of described wheel blanks shape, described pressurization mouth is positioned at the top of the corresponding wheel blanks installed surface position of described die cavity; Forcing pipe, connects described pressurization mouth, described forcing pipe has the first magnetic valve, the whether conducting of forcing pipe described in the switch control rule of described first magnetic valve and described die cavity.
Alternatively, aforesaid wheel blanks cast casting structure, also comprises: transfer tube, is fixed on described mould, and its two ends connect described pressurization mouth and described forcing pipe respectively, causes the indirect conducting of described pressurization mouth and described forcing pipe.
Alternatively, aforesaid wheel blanks cast casting structure, also comprise: cooling insert, be arranged on described liquid inlet place, in described cooling insert, there is water route, described water route has been arranged on the second magnetic valve, whether entering cooling medium for controlling described water route, when described second magnetic valve transfers open mode to by cut out, thus described water route enters described cooling medium to cool described molten metal.
Alternatively, aforesaid wheel blanks cast casting structure, also comprise: electrode, be arranged on the top of the corresponding wheel blanks wheel rim position of described die cavity, the second magnetic valve described in described Electrode connection, when described molten metal rises and touches described electrode in described die cavity, described electrode is to described second magnetic valve transmission of signal, to transfer described second magnetic valve to open mode by closedown, thus enter described cooling medium, to cool described metallic solution in water route in described cooling insert.
Alternatively, aforesaid wheel blanks cast casting structure, described mould also has exhaust clearance, described exhaust clearance is positioned at the top of the corresponding wheel blanks installed surface position of described die cavity, be communicated with the outside of described die cavity and described mould, the described molten metal liquid level in described die cavity is caused to raise, the gas squeezed in described die cavity is discharged from described exhaust clearance, when the liquid level of described metallic solution exceeds the height of described exhaust clearance, gas in described die cavity cannot be discharged from described exhaust clearance, described metallic solution enters described exhaust clearance and cooled and solidified simultaneously, thus close described exhaust clearance, now form the installed surface of described wheel blanks.
Alternatively, aforesaid wheel blanks cast casting structure, described mould arranges through hole, described through hole is positioned at the top of the corresponding wheel blanks installed surface position of described die cavity, in described die cavity, spreader is installed, described spreader, through described through hole, forms described exhaust clearance between described spreader and described through hole.
The present invention also provides a kind of wheel blanks casting method, adopt aforesaid wheel blanks cast casting structure, wherein, when entering described molten metal in described die cavity, described first closed electromagnetic valve, stops in described die cavity entering described molten metal and after described in described liquid inlet place, metallic solution solidifies, described first magnetic valve is opened, described forcing pipe to injecting gas in described die cavity, to pressurize to the molten metal in described die cavity.
By technique scheme, wheel blanks cast casting structure of the present invention at least has following advantages:
Wheel blanks cast casting structure of the present invention, what adopt gravity technique simple and flexible enters liquid mode, eliminate low pressure process large number quipments to drop into and maintenance cost, simultaneously, inflated inside mold cavity from the tracheae of centre when metal liquid cooling meat, produce certain pressure and be applied to above metal liquid, the metal liquid do not solidified be under pressure can to the part of cooling meat do one supplement, owing to being crystallization under stress, so without rising head.As can be seen here, the present invention is actually the advantage combining gravity technique and low pressure process, by better simply wheel blanks cast casting structure, improves wheel blanks casting quality, reduce in casting process and use raw-material waste, reduce expensive equipment cost, maintenance cost and energy consumption.Due to adopt gravity technique enter liquid mode, the Meteorological of integral device is equivalent to the cost of equipment of conventional articulated gravity technique, simultaneously, save again raw metal mould Meteorological in a large number, and ensure that product quality reaches the level of low pressure process, in addition, due to have in gravity technique monolateral water with bilateral pouring enter liquid mode, on the casting of the foundry goods of some large gauge, have certain advantage relative to the mode that can only enter liquid in low pressure process from below.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of wheel blanks cast casting structure according to an embodiment of the invention.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to its detailed description of the invention of wheel blanks cast casting system proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 1, a kind of wheel blanks cast casting structure that one embodiment of the present of invention propose, comprising:
Mould 1, mould 1 is provided with liquid inlet 2, die cavity 3, pressurization mouth 4, die cavity 3 is positioned at mould 1, conform to wheel blanks shape, liquid inlet 2 is positioned at the sidepiece of die cavity 3, and be communicated with the outside of die cavity 3 and mould 1, molten metal enters die cavity 3 from liquid inlet 2, for the formation of the foundry goods of wheel blanks shape, pressurization mouth 4 is positioned at the top of the corresponding wheel blanks installed surface position of die cavity 3.In the present embodiment, metallic solution mainly refers to aluminium liquid.
Forcing pipe 5, connect pressurization mouth 4, forcing pipe 5 there is the first magnetic valve, the switch control rule forcing pipe 5 of the first magnetic valve and die cavity 3 whether conducting, when entering molten metal in die cavity 3, the first closed electromagnetic valve, stop in die cavity 3 entering molten metal and after liquid inlet 2 place metallic solution solidifies, first magnetic valve is opened, forcing pipe 5 to injecting gas in die cavity 3, to pressurize to the molten metal in die cavity 3.
The pressure conduction route of the low pressure process in prior art be by machine below holding furnace in pressurize, molten metal is risen by stalk and enters into mold bottom, to be then diverted to inside die cavity then liquid level and to rise gradually until fill up die cavity.Its defect is that Center of Pressure distance foundry goods end is longer, and Feeding channel is tortuous.When molten metal drops to solid-state temperature gradually by liquidus temperature, the foundry goods in die cavity is in half curdled appearance because the temperature difference is difficult to control some place premature solidification everywhere.The pressure of low pressure process is relatively little, if the effect of its feeding will be had a greatly reduced quality when the long too tortuous final pressure of Feeding channel is transmitted to end or corner.
In the technical scheme of the present embodiment, form special gas exhaust inspecting part by forcing pipe 5, compared to prior art, air pressure directly acts on liquid level installed surface place and exerts pressure downwards, without through shunting, this is transferred again from lower to upper, Feeding channel also shortens in addition.
A kind of wheel blanks cast casting structure that one embodiment of the present of invention propose, also comprises: transfer tube 6, is fixed on mould 1, and its two ends connect pressurization mouth 4 and forcing pipe 5 respectively, causes the indirect conducting of pressurization mouth 4 and forcing pipe 5.
In the technical scheme of the present embodiment, the existence of transfer tube 6 can prevent molten metal from entering forcing pipe 5, and then has an impact to the process of pressurization, even and if enter molten metal in transfer tube 6, also can take out foundry goods smoothly, the pressurized operation of forcing pipe 5 not had an impact.
A kind of wheel blanks cast casting structure that one embodiment of the present of invention propose, also comprises:
Cooling insert 7, is arranged on liquid inlet 2 place, has water route in cooling insert 7, water route is arranged on the second magnetic valve, whether enter cooling medium for controlling water route, when the second magnetic valve transfers open mode to by cut out, thus water route enters cooling medium with cool metal liquation.The cooling of cooling insert 7 is the switches controlling the second magnetic valve by control system, and make cooling medium circulation in cooling insert 7 reduce the temperature of cooling insert 7, the metallic solution contacted with cooling insert 7 after cooling insert 7 cools also can cool and solidify.
A kind of wheel blanks cast casting structure that one embodiment of the present of invention propose, also comprise: electrode 8, be arranged on the top of the corresponding wheel blanks wheel rim position of die cavity 3, electrode 8 connects the second magnetic valve, when molten metal rises and touches electrode 8 in die cavity 3, electrode 8 to the second magnetic valve transmission of signal, to transfer the second magnetic valve to open mode by closedown, thus cooling insert 7 in water route in enter cooling medium, with cool metal solution.
In the technical scheme of the present embodiment, electrode 8 energising causes cooling insert 7 to work, and the cooling insert 7 rear forcing pipe 5 that worked just is started working.Be responsible for the second magnetic valve of forcing pipe 5 switch with the not direct relation of electrode 8.The prerequisite of pressurization is that the metallic solution at liquid inlet 2 place has been solidified to and is enough to opposing forcing pipe 5 applied pressure, and the temperature of solidifying also reduces gradually, does not put in place at once.And pressure increases gradually under the prerequisite not washing semi-solid metallic solution open in the process of solidifying gradually, judge whether that the way of solidifying is rule of thumb at present, after such as cooling how many seconds, start pressurization.
A kind of wheel blanks cast casting structure that one embodiment of the present of invention propose, mould 1 also has exhaust clearance 9, exhaust clearance 9 is positioned at the top of the corresponding wheel blanks installed surface position of die cavity 3, be communicated with the outside of die cavity 3 and mould 1, the molten metal liquid level in die cavity 3 is caused to raise, gas in exclusion die cavity 3 is discharged from exhaust clearance 9, when the liquid level of metallic solution exceeds the height of exhaust clearance 9, gas in die cavity 3 cannot be discharged from exhaust clearance 9, metallic solution enters exhaust clearance 9 and cooled and solidified simultaneously, thus close exhaust clearance 9, now form the installed surface of wheel blanks.
In the technical scheme of the present embodiment, because exhaust clearance 9 is less, so molten metal can automatic cooled and solidified after entering, determine installed surface place liquid level and cannot continue because air cannot be discharged the control utilizing this design feature to achieve the liquid level to metallic solution of rising.
A kind of wheel blanks cast casting structure that one embodiment of the present of invention propose, mould 1 arranges through hole, through hole is positioned at the top of the corresponding wheel blanks installed surface position of die cavity 3, spreader 10 is installed in die cavity 3, spreader 10, through through hole, forms exhaust clearance 9 between spreader 10 and through hole.
In the technical scheme of the present embodiment, achieve a kind of structure that can provide exhaust clearance 9, the cooperation of through hole and spreader 10 is easy to realize.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. a wheel blanks cast casting structure, is characterized in that, comprising:
Mould, described mould is provided with liquid inlet, die cavity, pressurization mouth, described die cavity is positioned at described mould, conform to wheel blanks shape, described liquid inlet is positioned at the sidepiece of described die cavity, is communicated with the outside of described die cavity and described mould, and molten metal enters described die cavity from described liquid inlet, for the formation of the foundry goods of described wheel blanks shape, described pressurization mouth is positioned at the top of the corresponding wheel blanks installed surface position of described die cavity;
Forcing pipe, connects described pressurization mouth, described forcing pipe has the first magnetic valve, the whether conducting of forcing pipe described in the switch control rule of described first magnetic valve and described die cavity.
2. wheel blanks cast casting structure according to claim 1, is characterized in that, also comprise:
Transfer tube, is fixed on described mould, and its two ends connect described pressurization mouth and described forcing pipe respectively, causes the indirect conducting of described pressurization mouth and described forcing pipe.
3. wheel blanks cast casting structure according to claim 1, is characterized in that, also comprise:
Cooling insert, be arranged on described liquid inlet place, in described cooling insert, there is water route, described water route is arranged on the second magnetic valve, whether cooling medium is entered for controlling described water route, when described second magnetic valve transfers open mode to by cut out, thus described water route enters described cooling medium to cool described molten metal.
4. wheel blanks cast casting structure according to claim 3, is characterized in that, also comprise:
Electrode, be arranged on the top of the corresponding wheel blanks wheel rim position of described die cavity, second magnetic valve described in described Electrode connection, when described molten metal rises and touches described electrode in described die cavity, described electrode is to described second magnetic valve transmission of signal, to transfer described second magnetic valve to open mode by closedown, thus enter described cooling medium, to cool described metallic solution in water route in described cooling insert.
5. wheel blanks cast casting structure according to claim 1, is characterized in that,
Described mould also has exhaust clearance, described exhaust clearance is positioned at the top of the corresponding wheel blanks installed surface position of described die cavity, be communicated with the outside of described die cavity and described mould, the described molten metal liquid level in described die cavity is caused to raise, the gas squeezed in described die cavity is discharged from described exhaust clearance, when the liquid level of described metallic solution exceeds the height of described exhaust clearance, gas in described die cavity cannot be discharged from described exhaust clearance, described metallic solution enters described exhaust clearance and cooled and solidified simultaneously, thus close described exhaust clearance, now form the installed surface of described wheel blanks.
6. wheel blanks cast casting structure according to claim 5, is characterized in that,
Described mould arranges through hole, and described through hole is positioned at the top of the corresponding wheel blanks installed surface position of described die cavity, is provided with spreader in described die cavity, and described spreader, through described through hole, forms described exhaust clearance between described spreader and described through hole.
7. a wheel blanks casting method, adopts the wheel blanks cast casting structure as described in claim 1-6, it is characterized in that,
When entering described molten metal in described die cavity, described first closed electromagnetic valve, stop in described die cavity entering described molten metal and after described in described liquid inlet place, metallic solution solidifies, described first magnetic valve is opened, described forcing pipe to injecting gas in described die cavity, to pressurize to the molten metal in described die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009178.7A CN104550833B (en) | 2015-01-01 | 2015-01-01 | Wheel blanks cast casting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009178.7A CN104550833B (en) | 2015-01-01 | 2015-01-01 | Wheel blanks cast casting structure |
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| Publication Number | Publication Date |
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| CN104550833A true CN104550833A (en) | 2015-04-29 |
| CN104550833B CN104550833B (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510009178.7A Expired - Fee Related CN104550833B (en) | 2015-01-01 | 2015-01-01 | Wheel blanks cast casting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623859A (en) * | 2017-02-10 | 2017-05-10 | 苏州金瑞阳模具有限公司 | Casting side mold structure and manufacture method |
| CN107321955A (en) * | 2017-08-23 | 2017-11-07 | 池州市华伟模具制造有限公司 | A kind of aluminum-alloy wheel gravity machine casting mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5896912A (en) * | 1995-04-27 | 1999-04-27 | Hayes Wheels International, Inc. | Method and apparatus for casting a vehicle wheel in a pressurized mold |
| US6186218B1 (en) * | 1998-03-17 | 2001-02-13 | Hayes Lemmerz International, Inc. | Modular wheel mold |
| US6463994B1 (en) * | 1998-12-28 | 2002-10-15 | Hayes Lemmerz International, Inc. | Apparatus and method for gravity casting a motorcycle wheel |
| CN201108955Y (en) * | 2007-08-21 | 2008-09-03 | 刘建高 | Gravity casting piezocrystallization forming apparatus |
| CN201329407Y (en) * | 2009-01-20 | 2009-10-21 | 芜湖黄燕实业有限公司 | Gravitation casting mold of aluminum alloy automobile hub |
| CN201482935U (en) * | 2009-07-31 | 2010-05-26 | 何灿东 | Mold for casting automobile aluminum hub castings |
| JP2011167760A (en) * | 2010-01-22 | 2011-09-01 | Morikawa Kanagata Co Ltd | Gravity casting apparatus |
| CN204545380U (en) * | 2015-01-01 | 2015-08-12 | 涂圣俊 | Wheel blanks cast casting structure |
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2015
- 2015-01-01 CN CN201510009178.7A patent/CN104550833B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5896912A (en) * | 1995-04-27 | 1999-04-27 | Hayes Wheels International, Inc. | Method and apparatus for casting a vehicle wheel in a pressurized mold |
| US6186218B1 (en) * | 1998-03-17 | 2001-02-13 | Hayes Lemmerz International, Inc. | Modular wheel mold |
| US6463994B1 (en) * | 1998-12-28 | 2002-10-15 | Hayes Lemmerz International, Inc. | Apparatus and method for gravity casting a motorcycle wheel |
| CN201108955Y (en) * | 2007-08-21 | 2008-09-03 | 刘建高 | Gravity casting piezocrystallization forming apparatus |
| CN201329407Y (en) * | 2009-01-20 | 2009-10-21 | 芜湖黄燕实业有限公司 | Gravitation casting mold of aluminum alloy automobile hub |
| CN201482935U (en) * | 2009-07-31 | 2010-05-26 | 何灿东 | Mold for casting automobile aluminum hub castings |
| JP2011167760A (en) * | 2010-01-22 | 2011-09-01 | Morikawa Kanagata Co Ltd | Gravity casting apparatus |
| CN204545380U (en) * | 2015-01-01 | 2015-08-12 | 涂圣俊 | Wheel blanks cast casting structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623859A (en) * | 2017-02-10 | 2017-05-10 | 苏州金瑞阳模具有限公司 | Casting side mold structure and manufacture method |
| CN107321955A (en) * | 2017-08-23 | 2017-11-07 | 池州市华伟模具制造有限公司 | A kind of aluminum-alloy wheel gravity machine casting mould |
| CN107321955B (en) * | 2017-08-23 | 2023-07-21 | 上海戴德斯勒模具技术有限公司 | Casting die of aluminum alloy wheel gravity machine |
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| CN104550833B (en) | 2018-03-23 |
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Granted publication date: 20180323 Termination date: 20190101 |