CN105834400A - Mold structure and production technique for upward-poured and low pressure-cast motorcycle aluminum wheel - Google Patents
Mold structure and production technique for upward-poured and low pressure-cast motorcycle aluminum wheel Download PDFInfo
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- CN105834400A CN105834400A CN201610290908.XA CN201610290908A CN105834400A CN 105834400 A CN105834400 A CN 105834400A CN 201610290908 A CN201610290908 A CN 201610290908A CN 105834400 A CN105834400 A CN 105834400A
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- Prior art keywords
- low pressure
- pressure casting
- mold
- workpiece
- mould structure
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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 a mold structure and production technique for an upward-poured and low pressure-cast motorcycle aluminum wheel. The mold structure comprises a heat-preserving furnace which contains molten aluminum and maintains the temperature of the molten aluminum. An upper mold is arranged below the heat-preserving furnace. The mold structure further comprises a side mold body and a lower mold body which are matched with the upper mold body. A mold cavity used for casting a workpiece is formed by assembling the upper mold body, the side mold body and the lower mold body. The mold structure further comprises a pressurizing inflation device, and the pressurizing inflation device injects compressed air into the heat-preserving furnace to push the molten aluminum for mold filling. By the adoption of the mold structure and production technique for the upward-poured and low pressure-cast motorcycle aluminum wheel, the technical problems that due to the arrangement of a riser in an existing casting mold, cleaning of a casting is difficult, metal waste is caused, and the material utilization rate is low can be solved.
Description
Technical field
The present invention relates to wheel cast mould applications, in particular a kind of upper low pressure casting rubs
The mould structure of motorcycle aluminium wheel and production technology thereof.
Background technology
Owing to aluminum alloy part has, density is little, light weight, it is easy to the advantages such as machine-shaping, increasingly
The vehicle components such as the wheel hub being applied to automobile, motorcycle widely, aluminum road wheel typically uses casting
The mode made produces.The casting of existing aluminum hardware utilizes the gravity of aluminium liquid self to fill die cavity more
Type, is carried out by aluminium liquid self gravitation owing to filling type, for avoiding workpiece shrinkage cavity and porosity etc. occur
Defect, needs to arrange rising head and supplements molten metal in time in casting mould, workpiece volume in process of setting
Shrink, at this moment needed to supplement aluminium liquid by rising head.But the setting of rising head makes casting cleaning be stranded
Difficulty, and waste metal, stock utilization is the highest.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
It is an object of the invention to provide a kind of upper low pressure casting motorcycle aluminium wheel mould structure and
Its production technology, with solve the setting of rising head in prior art cast mould make casting cleaning difficulty,
And waste metal, the technical problem that stock utilization is the highest.
Technical scheme is as follows:
The mould structure of a kind of upper low pressure casting motorcycle aluminium wheel, wherein, including a loading aluminium liquid
And keep the holding furnace of temperature of aluminum liquid, it is provided with upper mold below described holding furnace, also includes joining with upper mold
The side form closed and lower mold, described upper mold, side form and lower mold matched moulds form the die cavity of casting workpiece, also wrap
Including inflating device, compressed air is injected holding furnace and is promoted aluminum liquid filling type by inflating device.
The mould structure of described upper low pressure casting motorcycle aluminium wheel, wherein, in described holding furnace
Being provided with transition conduit, described transition conduit connects a sprue gate, and described sprue gate connects described die cavity, aluminium
Liquid fills die cavity under gas pressure after transition conduit injects sprue gate.
The mould structure of described upper low pressure casting motorcycle aluminium wheel, wherein, in the middle part of described die cavity
Being additionally provided with distributary division, aluminium liquid flow is split to tributary, left and right two carrying out filling type after distributary division.
The mould structure of described upper low pressure casting motorcycle aluminium wheel, wherein, described distributary division is
One shunting cone, the upper diameter of described shunting cone is less than lower diameter.
The mould structure of described upper low pressure casting motorcycle aluminium wheel, wherein, is additionally included in workpiece
Eject the push rod of workpiece after having cast die sinking, bottom push rod, connect push rod pressing plate, also include promoting top
The oil cylinder of bar presser motion.
The mould structure of described upper low pressure casting motorcycle aluminium wheel, wherein, also includes providing propping up
Support the guide pillar with guide effect and the guide pin bushing coordinated with guide pillar.
The mould structure of described upper low pressure casting motorcycle aluminium wheel, wherein, described insulation furnace roof
Portion is provided with sealing lid.
The mould structure of described upper low pressure casting motorcycle aluminium wheel, wherein, described pressurization inflation
Device is air compressor.
The production technology of a kind of upper low pressure casting motorcycle aluminium wheel, wherein, comprises the following steps:
Step A00: side form is by running in the middle part of oil cylinder band trend to die-closed position, and upper mold passes through oil cylinder band
Run to die-closed position under trend, wait to be cast；
Step B00: aluminium liquid injects holding furnace, lid top cover labyrinth, starts inflating device, pressurization
Compressed air is injected holding furnace and is promoted aluminum liquid filling type by aerating device；
Step C00: keep inflating device to promote the pressure of aluminium liquid until the workpiece in die cavity is the most solidifying
Gu, workpiece is cooled down；
Step D00: upper mold is driven by oil cylinder and runs up to die sinking position, and side form is driven by oil cylinder
Running to both sides to die sinking position, oil cylinder drives push rod pressing plate up to move, and is connected with push rod pressing plate
Push rod ejects workpiece.
The production technology of described upper low pressure casting motorcycle aluminium wheel, wherein, in step B00,
Aluminium liquid is forced through by compressed air and crosses pipe injection sprue gate, and aluminium liquid flow is split to a left side after distributary division
Right two tributaries carry out filling type.
Beneficial effects of the present invention: the present invention is by providing a kind of upper low pressure casting motorcycle aluminium wheel
Mould structure and production technology, by air pressure promote aluminium liquid be full of die cavity, change prior art
The mode of rising head is set, stock utilization is greatly improved, save raw metal；Improve finished product tension
The mechanical performance of intensity etc..
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, clear and definite, referring to the drawings
The present invention is described in more detail for the embodiment that develops simultaneously.
The present invention provides the mould structure of a kind of upper low pressure casting motorcycle aluminium wheel, wherein, including
One loads aluminium liquid and keeps the holding furnace 1 of temperature of aluminum liquid, is provided with upper mold 4 below described holding furnace 1,
Also include side form 5 and the lower mold 6 coordinated with upper mold 4, described upper mold 4, side form 5 and lower mold 6 matched moulds
Form the die cavity of casting workpiece, also include inflating device, it is preferable that described inflating device
For air compressor, compressed air is injected holding furnace 1 and is promoted aluminum liquid filling type by inflating device.This
Inventing and promote aluminum liquid filling type by air pressure, prior art, by the way of aluminium liquid self gravitation fills type, is filled
Type speed is slow, and in process of setting, workpiece volume needs when having shunk to supplement aluminium liquid by rising head, emits
Mouth also can avoid workpiece the defects such as shrinkage cavity and porosity occur, but the setting of rising head makes at mould rising head clear
Reason difficulty, and waste metal, stock utilization is the highest, and the present invention promotes aluminum liquid filling type by air pressure,
Aluminium liquid is the most full die cavity under gas pressure, it is not necessary to arranging rising head, structure is the most succinct, significantly carries
High stock utilization, saves raw metal.
Further, being provided with transition conduit 2 in described holding furnace 1, described transition conduit 2 connects a cast
Mouth 3, described sprue gate 3 connects described die cavity, and aluminium liquid injects cast through transition conduit 2 under gas pressure
Filling die cavity after mouth 3, be additionally provided with distributary division 7 in the middle part of die cavity, distributary division 7 is a shunting cone, institute
The upper diameter stating shunting cone is less than lower diameter, and aluminium liquid flow is split to left and right after distributary division 7
Two tributaries carry out filling type.
Further, it is additionally included in the push rod 10 ejecting workpiece after workpiece has cast die sinking, push rod 10
Bottom connects push rod pressing plate 11, also includes the oil cylinder promoting push rod pressing plate 11 motion, also includes offer
Support the guide pillar 9 with guide effect and the guide pin bushing 8 coordinated with guide pillar.After die sinking, oil cylinder drives push rod pressing plate
11 up move, and guide pillar 9 up moves through guide pin bushing 8, and push rod 10 ejects workpiece.
Further, described holding furnace 1 top is provided with sealing lid 12.
The present invention also provides for the production technology of a kind of upper low pressure casting motorcycle aluminium wheel, wherein, bag
Include following steps:
Step A00: side form 5 is by running in the middle part of oil cylinder band trend to die-closed position, and upper mold 4 is by oil
Cylinder drives and runs to die-closed position downwards, waits to be cast；
Step B00: aluminium liquid is injected holding furnace 1, lid top cover labyrinth 12, starts inflating device,
Compressed air is injected holding furnace 1 and is promoted aluminum liquid filling type, aluminium liquid to be pushed away by compressed air by inflating device
Moving and inject sprue gate 3 through transition conduit 2, aluminium liquid flow is split to tributary, left and right two carrying out after distributary division 7
Fill type；
Step C00: keep inflating device to promote the pressure of aluminium liquid until the workpiece in die cavity is the most solidifying
Gu, workpiece is cooled down；
Step D00: upper mold 4 is driven by oil cylinder and runs up to die sinking position, and side form 5 passes through oil cylinder
Band trend both sides are run to die sinking position, and oil cylinder drives push rod pressing plate 11 up to move, with push rod pressing plate
11 push rods 10 connected eject workpiece.
The present invention is by providing mould structure and the production thereof of a kind of upper low pressure casting motorcycle aluminium wheel
Technique, promotes aluminium liquid to be full of die cavity by air pressure, changes prior art and arrange the mode of rising head, will
Stock utilization is greatly improved 65% from 40%, and effectively save raw metal more meets energy-conserving and environment-protective
Requirement；Improve the mechanical performance of finished product tensile strength etc..
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, to ordinary skill
For personnel, can be improved according to the above description or be converted, such as by technical solution of the present invention from
Motorcycle aluminium wheel extends to be applied to electric bicycle aluminium wheel, and all these modifications and variations all should belong to
The protection domain of claims of the present invention.
Claims (10)
1. the mould structure of a upper low pressure casting motorcycle aluminium wheel, it is characterised in that include
Load aluminium liquid and keep the holding furnace of temperature of aluminum liquid, being provided with upper mold below described holding furnace, also include
The side form coordinated with upper mold and lower mold, described upper mold, side form and lower mold matched moulds form the type of casting workpiece
Chamber, also includes inflating device, and compressed air is injected holding furnace and promoted aluminium liquid by inflating device
Fill type.
The mould structure of upper low pressure casting motorcycle aluminium wheel the most according to claim 1, its
Being characterised by, being provided with transition conduit in described holding furnace, described transition conduit connects a sprue gate, described
Sprue gate connects described die cavity, and aluminium liquid fills die cavity under gas pressure after transition conduit injects sprue gate.
The mould structure of upper low pressure casting motorcycle aluminium wheel the most according to claim 1, its
Being characterised by, being additionally provided with distributary division in the middle part of described die cavity, aluminium liquid flow is split to a left side after distributary division
Right two tributaries carry out filling type.
The mould structure of upper low pressure casting motorcycle aluminium wheel the most according to claim 3, its
Being characterised by, described distributary division is a shunting cone, and the upper diameter of described shunting cone is less than bottom
Diameter.
The mould structure of upper low pressure casting motorcycle aluminium wheel the most according to claim 1, its
It is characterised by, is additionally included in the push rod ejecting workpiece after workpiece has cast die sinking, connect bottom push rod
Push rod pressing plate, also includes the oil cylinder promoting push rod presser motion.
The mould structure of upper low pressure casting motorcycle aluminium wheel the most according to claim 5, its
It is characterised by, also includes providing the guide pillar supported with guide effect and the guide pin bushing coordinated with guide pillar.
The mould structure of upper low pressure casting motorcycle aluminium wheel the most according to claim 1, its
Being characterised by, described holding furnace top is provided with sealing lid.
The mould structure of upper low pressure casting motorcycle aluminium wheel the most according to claim 1, its
Being characterised by, described inflating device is air compressor.
9. the production technology of a upper low pressure casting motorcycle aluminium wheel, it is characterised in that include with
Lower step:
Step A00: side form is by running in the middle part of oil cylinder band trend to die-closed position, and upper mold passes through oil cylinder band
Run to die-closed position under trend, wait to be cast；
Step B00: aluminium liquid injects holding furnace, lid top cover labyrinth, starts inflating device, pressurization
Compressed air is injected holding furnace and is promoted aluminum liquid filling type by aerating device；
Step C00: keep inflating device to promote the pressure of aluminium liquid until the workpiece in die cavity is the most solidifying
Gu, workpiece is cooled down；
Step D00: upper mold is driven by oil cylinder and runs up to die sinking position, and side form is driven by oil cylinder
Running to both sides to die sinking position, oil cylinder drives push rod pressing plate up to move, and is connected with push rod pressing plate
Push rod ejects workpiece.
The production technology of upper low pressure casting motorcycle aluminium wheel the most according to claim 9, its
Being characterised by, in step B00, aluminium liquid is forced through by compressed air and crosses pipe injection sprue gate, aluminium
Liquid flow is split to tributary, left and right two carrying out filling type after distributary division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290908.XA CN105834400A (en) | 2016-05-03 | 2016-05-03 | Mold structure and production technique for upward-poured and low pressure-cast motorcycle aluminum wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290908.XA CN105834400A (en) | 2016-05-03 | 2016-05-03 | Mold structure and production technique for upward-poured and low pressure-cast motorcycle aluminum wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105834400A true CN105834400A (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610290908.XA Pending CN105834400A (en) | 2016-05-03 | 2016-05-03 | Mold structure and production technique for upward-poured and low pressure-cast motorcycle aluminum wheel |
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| CN (1) | CN105834400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326256A (en) * | 2017-12-31 | 2018-07-27 | 北京航空航天大学 | A kind of low pressure fills type High Pressure Solidification casting device and casting method |
Citations (8)
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| US20020158504A1 (en) * | 2001-01-11 | 2002-10-31 | Hitachi Metals, Ltd. | Light alloy wheel for vehicle and method and apparatus for producing same |
| CN1603028A (en) * | 2004-09-06 | 2005-04-06 | 瞿呈鹏 | Production process of pneumatic casting metal products |
| CN1947893A (en) * | 2006-11-15 | 2007-04-18 | 黄伟锋 | Method for mfg. aluminium alloy wheel hub |
| CN101537481A (en) * | 2009-04-16 | 2009-09-23 | 上海交通大学 | Magnesium alloy metal mode low-pressure casting die cavity provided with automatic gas shield device |
| US20100108285A1 (en) * | 2007-04-16 | 2010-05-06 | Shinya Mizuno | Device for low-pressure casting, a method for filling inert gas in the device, and method for producing a cast |
| CN102463336A (en) * | 2011-12-20 | 2012-05-23 | 江苏凯特汽车部件有限公司 | Novel pressure device for finely turned bright aluminum alloy wheel |
| CN204711158U (en) * | 2015-06-25 | 2015-10-21 | 宁波众发机械模具有限公司 | A kind of Metallic Casting Die & Mold for casting wheel |
| CN205629331U (en) * | 2016-05-03 | 2016-10-12 | 刘加兴 | On pour into a mould mould structure of low pressure casting motorcycle aluminium wheel |
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2016
- 2016-05-03 CN CN201610290908.XA patent/CN105834400A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020158504A1 (en) * | 2001-01-11 | 2002-10-31 | Hitachi Metals, Ltd. | Light alloy wheel for vehicle and method and apparatus for producing same |
| CN1603028A (en) * | 2004-09-06 | 2005-04-06 | 瞿呈鹏 | Production process of pneumatic casting metal products |
| CN1947893A (en) * | 2006-11-15 | 2007-04-18 | 黄伟锋 | Method for mfg. aluminium alloy wheel hub |
| US20100108285A1 (en) * | 2007-04-16 | 2010-05-06 | Shinya Mizuno | Device for low-pressure casting, a method for filling inert gas in the device, and method for producing a cast |
| CN101537481A (en) * | 2009-04-16 | 2009-09-23 | 上海交通大学 | Magnesium alloy metal mode low-pressure casting die cavity provided with automatic gas shield device |
| CN102463336A (en) * | 2011-12-20 | 2012-05-23 | 江苏凯特汽车部件有限公司 | Novel pressure device for finely turned bright aluminum alloy wheel |
| CN204711158U (en) * | 2015-06-25 | 2015-10-21 | 宁波众发机械模具有限公司 | A kind of Metallic Casting Die & Mold for casting wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326256A (en) * | 2017-12-31 | 2018-07-27 | 北京航空航天大学 | A kind of low pressure fills type High Pressure Solidification casting device and casting method |
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Application publication date: 20160810 |