CN209239029U - A kind of aluminium alloy kappa wheel hub casting mould - Google Patents
A kind of aluminium alloy kappa wheel hub casting mould Download PDFInfo
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- CN209239029U CN209239029U CN201821613042.2U CN201821613042U CN209239029U CN 209239029 U CN209239029 U CN 209239029U CN 201821613042 U CN201821613042 U CN 201821613042U CN 209239029 U CN209239029 U CN 209239029U
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Abstract
The utility model belongs to wheel hub production and processing technical field, it is related to a kind of aluminium alloy kappa wheel hub casting mould, including mold, upper mould middle and upper part thickness is set as 25 millimeters to 60 millimeters, side form middle and upper part thickness is set as 40 millimeters to 85 millimeters, and the rim upper portion of the mold is equipped with the first water cooling mouth, and wheel rim lower part is equipped with the second water cooling mouth, spoke outer ring bed die is equipped with third water cooling mouth, and cooling water is flowed by each water cooling mouth side to flow out behind cooling duct from other side.It is of the utility model have the beneficial effect that by low pressure casting die in wheel rim and spoke exterior design water cooling, adjust the thickness of mold side form and upper mold middle and upper part, increase mold to the heat absorption coagulation ability of wheel rim middle and upper part, it realizes balanced mold temperature field, to realize preferable consecutive solidification, product each section is allowed to have stronger feeding when solidifying, improve cooling velocity and feeding intensity, reach ZL101A aluminium alloy physical property most to strengthen, then be aided with it is appropriate air-cooled, to enhance product performance.
Description
Technical field
The utility model belongs to wheel hub production and processing technical field, in particular to a kind of aluminium alloy kappa wheel hub casting die
Tool.
Background technique
The wheel of truck and bus is much like in the prior art, so they are referred to as kappa wheel, i.e. kappa wheel packet
The wheel of truck and the wheel of bus are included, the kappa wheel in this specification refers to the wheel hub of kappa wheel.
Generally substitute original steel kappa wheel in industry using reflectal kappa wheel at present, it is light to reach wheel hub
The production technology of the purpose of quantization, existing forging kappa wheel is also unfavorable for producing in enormous quantities there are high production cost, simultaneously because
Kappa wheel product is higher for wheel rim and spoke mechanical property requirements, and conventional low pressure casting design scheme is difficult to meet it again to be wanted
It asks, it is easy to appear wheel rim and spoke are loose when production, and production efficiency is lower.Therefore the wheel hub of the production of existing production technology
It is high to sell unit price, is promoted in the market to influence to produce.
The wheel hub of current aluminium alloy still remains many defects in production technology and production equipment, such as low in aluminum vehicle wheel
During die casting is made, since aluminum vehicle wheel low pressure casting uses the pouring type of center rising pouring, pour, riser feeding is apart from remote, wheel
Wheel rim and spoke junction casting it is extremely thick big, form thermal center point, be easy to produce shrinkage porosite, the casting flaws such as shrinkage cavity.At present
Wheel hub manufacturing low pressure casting cooling technique generally uses air-cooled or two kinds of techniques of water cooling.There are production efficiencys for two kinds of techniques
It is low；Properties of product are unstable；Material property is difficult to meet the requirement of high-end product.
Chinese invention patent CN105478720B discloses a kind of water wind combination spraying cooling equipment of wheel hub low pressure casting
And method, the water fog generator including connecting wheel hub casting mould, water fog generator include cooling wind supervisor, cooling water master
Pipe and water mist cooling pipe, cooling water supervisor forms water mist with cooling wind supervisor's handover, and is transported to from water mist cooling pipe
Wheel hub casting mould, the technical effect of generation are that can improve the consistency of cast-internal tissue, improve product quality, reduce manufacture
Cost.Since bus wheel is compared to conventional wheel, have obvious feature in structure: 1, wheel rim is thicker, common wheel wheel
Rim blank thickness is in 8 ~ 9mm, and kappa wheel is since its load-carrying is larger, and rim blank thickness reaches 16 ~ 17mm thickness, and to drop center portion
The tissue intensity divided is more demanding；2, kappa wheel spoke is at dish-type, is evenly distributed with 10 air holes, the angle spoke R and spoke compared with
It is generous, referring to attached drawing 1.The art of this patent is also to be improved and produced by more complicated technical treatment on the basis of existing mold
Quality.The technical solution of the application is improved for the low pressure casting die of such a specific products of kappa wheel.Cause
Kappa wheel is compared to common wheel, and wheel rim thickness, which increases, to be connect by about one time, and wheel rim setting rate substantially reduces, and is easier to occur
Loose risk, influences rim strength, and the technical solution of the application also improves this.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of aluminium alloy kappa wheel hub casting moulds, by right
Low pressure casting die design carries out pressure cooling with water, in wheel rim and spoke exterior design water cooling, is aided with appropriate air-cooled, increase
The thickness of upper mold and side form middle and upper part realizes balanced mold temperature field, to realize preferable consecutive solidification, allows product each section
There is stronger feeding when solidification, improves cooling velocity and feeding intensity, reach ZL101A aluminium alloy physical property and most strengthen, from
And it enhances product performance.
The utility model is achieved through the following technical solutions: a kind of aluminium alloy kappa wheel hub casting mould, including mold,
Upper mould middle and upper part thickness is set as 25 millimeters to 60 millimeters, and side form middle and upper part thickness is set as 40 millimeters to 85 millimeters, institute
The rim upper portion for stating mold is equipped with the first water cooling mouth, and wheel rim lower part is equipped with the second water cooling mouth, and spoke outer ring bed die is equipped with third water
Cold mouth, cooling water is flowed by each water cooling mouth side to flow out behind cooling duct from other side.
Further, upper mould middle and upper part thickness is set as 30 millimeters to 55 millimeters, and side form middle and upper part thickness is set as
45 millimeters to 80 millimeters.
Further, the second water cooling mouth is fixed block insert type water cooling.
Further, spoke outer ring bed die is additionally provided with air-cooled mouth.
Further, the air-cooled mouth is preferably 6.
Further, the first water cooling mouth, the second water cooling mouth, third water cooling opening's edge circumferencial direction are set as a circle.
It is of the utility model have the beneficial effect that by low pressure casting die in wheel rim and spoke exterior design water
It is cold, the thickness of mold side form and upper mold middle and upper part is adjusted, increases mold to the heat absorption coagulation ability of wheel rim middle and upper part, to realize
Preferable consecutive solidification realizes balanced mold temperature field, product each section is allowed to have stronger feeding when solidifying, improves cooling velocity
And feeding intensity, reach ZL101A aluminium alloy physical property and most strengthen, then be aided with it is appropriate air-cooled, to improve product
Energy.
Detailed description of the invention
Fig. 1 is prior art kappa wheel spoke schematic cross-section.
Fig. 2 is the structural schematic diagram of the utility model mold.
Wherein, the names of the parts are as follows: the 1, first water cooling mouth, the 2, second water cooling mouth, 3, third water cooling mouth, 4-9, air-cooled mouth,
10, upper mold middle and upper part, 11, side form middle and upper part, 12, spoke outer ring bed die.
Specific embodiment
The utility model is described in detail below with reference to embodiment, so that those skilled in the art more fully understands
The utility model, but the utility model is not limited to following embodiment.
Embodiment 1
A kind of aluminium alloy kappa wheel hub casting mould, 10 thickness of upper mould middle and upper part are set as 25 millimeters to 60 millimeters, side
11 thickness of mould middle and upper part is set as 40 millimeters to 85 millimeters, and the rim upper portion of mold is equipped with the first water cooling mouth 1, and wheel rim lower part is equipped with the
Two water cooling mouths 2, spoke outer ring bed die be equipped with third water cooling mouth 3, cooling water by each water cooling mouth side flow into behind cooling duct from
Other side outflow.Second water cooling mouth 2 is fixed block insert type water cooling.In wheel dynamic bending fatigue and radial fatigue test results
In, radial fatigue test parameter turns in 6 powers that 8250 kilogram of finder charge, the blowing pressure are 1 megapascal, revolution is 1*10,
22.5*9(tread ring diameter * tread ring width) (dimensional units are inch) kappa wheel test result are as follows: complete revolution 1*10 6
Power turns without visible fatigue crack, and offset increment is less than the 15% of initial offset；6 powers turn for completing revolution 4*10 can not
See that fatigue crack offset increment is less than the 15% of initial offset.Repeated bend test parameter is in 27522 newton of finder charge
Rice, require revolution be 3*10 5 power when, 22.5*9(tread ring diameter * tread ring width) (dimensional units are inch) kappa wheel
Test result are as follows: complete revolution 3*10 5 powers turn without visible fatigue crack, offset increment is less than initial offset
15%；6 powers for completing revolution 1.2*10 turn without visible fatigue crack, and offset increment is less than the 15% of initial offset.
Embodiment 2
A kind of aluminium alloy kappa wheel hub casting mould, 10 thickness of upper mould middle and upper part are set as 30 millimeters to 55 millimeters, side
11 thickness of mould middle and upper part is set as 45 millimeters to 80 millimeters, and the rim upper portion of mold is equipped with the first water cooling mouth 1, and wheel rim lower part is equipped with the
Two water cooling mouths 2, spoke outer ring bed die be equipped with third water cooling mouth 3, cooling water by each water cooling mouth side flow into behind cooling duct from
Other side outflow.Second water cooling mouth 2 is fixed block insert type water cooling.Spoke outer ring bed die is additionally provided with 6 air-cooled mouth 4-9.In vehicle
It takes turns in dynamic bending fatigue and radial fatigue test results, radial fatigue test parameter is in 8250 kilogram of finder charge, inflation
6 powers that pressure is 1 megapascal, revolution is 1*10 turn, 22.5*9(tread ring diameter * tread ring width) (dimensional units are inch) card
Bar wheel test result are as follows: complete revolution 1*10 6 powers turn without visible fatigue crack, offset increment is less than initial offset
15%；6 powers for completing revolution 4*10 turn to be less than the 15% of initial offset without visible fatigue crack offset increment.It is bent tired
Labor test parameters 27522 Newton meter of finder charge, require revolution be 3*10 5 power when, 22.5*9(tread ring diameter * tire
Ring width) (dimensional units are inch) kappa wheel test result are as follows: complete revolution 3*10 5 powers turn split without visible fatigue
Line, offset increment are less than the 15% of initial offset；6 powers for completing revolution 1.2*10 turn without visible fatigue crack, and offset increases
Amount is less than the 15% of initial offset.
Embodiment 3
A kind of aluminium alloy kappa wheel hub casting mould, 10 thickness of upper mould middle and upper part are set as 30 millimeters to 55 millimeters, side
11 thickness of mould middle and upper part is set as 45 millimeters to 80 millimeters, and the rim upper portion of mold is equipped with the first water cooling mouth 1, and wheel rim lower part is equipped with the
Two water cooling mouths 2, spoke outer ring bed die be equipped with third water cooling mouth 3, cooling water by each water cooling mouth side flow into behind cooling duct from
Other side outflow.Second water cooling mouth 2 is fixed block insert type water cooling.Spoke outer ring bed die is additionally provided with 6 air-cooled mouth 4-9.First
Peripherally disposed water cooling mouth 1, the second water cooling mouth 2, third water cooling mouth 3 are a circle.In wheel dynamic bending fatigue and radial direction
In fatigue test results, radial fatigue test parameter is 1 megapascal, revolution 1* in 8250 kilogram of finder charge, the blowing pressure
10 6 powers turn, 22.5*9(tread ring diameter * tread ring width) (dimensional units are inch) kappa wheel test result are as follows: it is complete
Turn at 6 powers of revolution 1*10 without visible fatigue crack, offset increment is less than the 15% of initial offset；Complete revolution 4*10
6 powers turn without visible fatigue crack offset increment to be less than the 15% of initial offset.Repeated bend test parameter is in test lotus
Carry 27522 Newton meters, require revolution when being 5 power of 3*10,22.5*9(tread ring diameter * tread ring width) (dimensional units are
Inch) kappa wheel test result are as follows: complete revolution 3*10 5 powers turn without visible fatigue crack, offset increment is less than
The 15% of initial offset；6 powers for completing revolution 1.2*10 turn without visible fatigue crack, and offset increment is less than initial offset
The 15% of amount.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all to utilize equivalent structure or equivalent flow shift made by the utility model specification, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of aluminium alloy kappa wheel hub casting mould, it is characterised in that: including mold, the upper mould middle and upper part (10) is thick
Degree is set as 25 millimeters to 60 millimeters, and side form middle and upper part (11) thickness is set as 40 millimeters to 85 millimeters, the rim upper portion of the mold
Equipped with the first water cooling mouth (1), wheel rim lower part is equipped with the second water cooling mouth (2), and spoke outer ring bed die is equipped with third water cooling mouth (3), cold
But water is flowed by each water cooling mouth side and is flowed out behind cooling duct from other side.
2. aluminium alloy kappa wheel hub casting mould according to claim 1, it is characterised in that: the upper mould middle and upper part
(10) thickness is set as 30 millimeters to 55 millimeters, and side form middle and upper part (11) thickness is set as 45 millimeters to 80 millimeters.
3. aluminium alloy kappa wheel hub casting mould according to claim 1, it is characterised in that: the second water cooling mouth (2)
For fixed block insert type water cooling.
4. aluminium alloy kappa wheel hub casting mould according to claim 1 or 2 or 3, it is characterised in that: the spoke outer ring
Bed die (12) is additionally provided with air-cooled mouth.
5. aluminium alloy kappa wheel hub casting mould according to claim 4, it is characterised in that: the air-cooled mouth is 6.
6. aluminium alloy kappa wheel hub casting mould described according to claim 1 to 3 or 5 any claims, it is characterised in that:
The first water cooling mouth (1), the second water cooling mouth (2), peripherally disposed third water cooling mouth (3) are a circle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613042.2U CN209239029U (en) | 2018-09-30 | 2018-09-30 | A kind of aluminium alloy kappa wheel hub casting mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613042.2U CN209239029U (en) | 2018-09-30 | 2018-09-30 | A kind of aluminium alloy kappa wheel hub casting mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014130A (en) * | 2018-09-30 | 2018-12-18 | 大亚车轮制造有限公司 | A kind of aluminium alloy kappa wheel hub casting mould |
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- 2018-09-30 CN CN201821613042.2U patent/CN209239029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014130A (en) * | 2018-09-30 | 2018-12-18 | 大亚车轮制造有限公司 | A kind of aluminium alloy kappa wheel hub casting mould |
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