CN106475547A - A kind of improved low pressure casting wheel mould - Google Patents
A kind of improved low pressure casting wheel mould Download PDFInfo
- Publication number
- CN106475547A CN106475547A CN201610863397.6A CN201610863397A CN106475547A CN 106475547 A CN106475547 A CN 106475547A CN 201610863397 A CN201610863397 A CN 201610863397A CN 106475547 A CN106475547 A CN 106475547A
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- CN
- China
- Prior art keywords
- groove
- heat
- low pressure
- cylindrical boss
- pressure casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The invention discloses a kind of improved low pressure casting wheel mould, in bed die（3）Back of the body chamber root is corresponded at thermal center and arranges cylindrical boss（31）, number is consistent with spoke quantity；Boss（31）Upper U-shaped groove is set（32）, and heat-conducting pad is placed in groove（4）, annular conduit（5）The heat-conducting pad being placed in groove（4）On, annular conduit（5）Bottom is higher by cylindrical boss（31）End face, in cylindrical boss（31）Front end arrange heat dam（33）, bottom land fills up insulation asbestos away from 10 20mm of mould cavity surface in groove（7）.Present configuration is simple, has carried out rational improvement to die structure, for spoke thermal center region, processes cylindrical boss as cooling source, by cooling control in the range of thermal center, and does not affect the Temperature Distribution of front end, it is achieved that more accurate refrigeration.
Description
Technical field
The present invention relates to casting field, more particularly to a kind of low-pressure casting die of aluminum vehicle wheel.
Background technology
Low Pressure Casting Technology is the primary selection of domestic and international aluminum vehicle wheel manufacturer.Bed die, backform, side mould are together constituted
The die cavity of mould, high temperature aluminium liquid enter mold cavity by bottom centre's cast gate, in mould and the external world under the driving of outer boundary's pressure
Solidification forming is completed under the collective effect of cooling, obtains the qualified foundry goods of size, performance.The moulding flange center of wheel is thick big,
Wheel rim wall thickness is relatively thin, and spoke is in centre as the coupling part of the two.But this distinctive moulding causes spoke and wheel rim
Junction is often very thick big, defines typical casting thermal center, and this is obviously detrimental to realize wheel foundry goods consecutive solidification become
The requirement of shape.Practice have shown that, spoke is easy to shrinkage porosite, shrinkage cavity, degraded performance etc. casting problem occur with wheel rim handover region,
The waste product wheel for causing also accounts for larger ratio, seriously governs yield rate.In the prior art, the cooling at thermal center is usually logical
Cross and arrange a number of air channel to realize, but as heat is excessively concentrated, and the exchange capability of heat of air is relatively low, the region
Heat rapidly and effectively cannot shed at all, cause aluminium liquid setting rate slow, shrinkage porosite, contracting can occur because feeding is not enough
The forming defectses such as hole；In addition, aluminium liquid degree of supercooling during solidification also can be relatively low accordingly, cast-internal coarse grains are caused, tissue
Not fine and close, mechanical property is low, and these all serious shaping qualities for affecting wheel govern the development of enterprise.
Therefore, for the problem that there is currently, need certain improvement is carried out, set by optimizing the cooling in thermal center region
Meter, realizes the quick cooling of aluminium liquid, the problems such as easily there is shrinkage porosite, shrinkage cavity, degraded performance so as to effectively solving thermal center, to ensure car
The fine quality of wheel, and meet the sample presentation of client and require.
Content of the invention
It is an object of the invention to provide a kind of low-pressure casting die of aluminum vehicle wheel for improving, it is possible to achieve thermal center region fast
Quickly cooling is but, it is established that realize the temperature field of consecutive solidification beneficial to wheel, so as to the easily shrinkage porosite of appearance, shrinkage cavity in effectively solving production
The problems such as.
The technical scheme is that：A kind of improved low pressure casting wheel mould, including backform, bed die, Bian Mo, heat conduction
Pad, annular conduit, cover plate, insulation asbestos.
In bed die back of the body chamber, root is corresponded at thermal center and arranges cylindrical boss, and number is consistent with spoke quantity, and which is used as thermal center position
Put a little cold cooling source；U-shaped groove being set on boss, and heat-conducting pad being placed in groove, heat-conducting pad selects red copper, graphite
Material, thickness 1-3mm；The annular conduit that makes is placed on the pad in groove, water pipe bottom will be higher by cylindrical boss
End face, to ensure that cover plate can be firmly secured in groove, and realizes the good fit of water pipe and heat-conducting pad；Cover plate with
The spot welding of bed die boss connects；Annular conduit internal diameter is 8-12mm, and is welded with water-in and water-out pipe joint, is arranged symmetrically in 180 °, can
Ensure uniformity during cooling；Supplying pipe selects stainless steel tube, it is to avoid the adverse effect that scale is generated；Water pipe is away from bed die die cavity
Face 30-40mm, to ensure rational intensity of cooling so as to is not too strong or excessively weak；Cylindrical boss front end processing every
Heat channel, bottom land fill up insulation asbestos away from mould cavity surface 10-20mm in groove, control cooling range in thermal center region as far as possible
Interior, reduce the impact to thermal center head temperature, so as to ensure the good feeding of aluminium liquid.
Present configuration is simple, has carried out rational improvement to die structure, for spoke thermal center region, has processed column
Boss by cooling control in the range of thermal center, and does not affect the Temperature Distribution of front end, it is achieved that more accurate as cooling source
Refrigeration；Existing air-cooled by the replacement of water pipe cooling form, intensity of cooling is significantly strengthened, improves the solidification speed of aluminium liquid
Degree, it is achieved that the quick cooling of foundry goods, effectively solves the problems, such as easily occur shrinkage porosite, shrinkage cavity at thermal center；Meanwhile, aluminium liquid mistake
Cold degree there has also been significantly increasing, makes internal grain obtain obvious refinement, greatly improves the mechanical property of foundry goods.
Description of the drawings
Fig. 1 is improved low pressure casting wheel die assembly schematic diagram in the present invention.
Fig. 2 is bed die cooling structure arrangement schematic diagram in the present invention.
Fig. 3 is bed die cooling arrangement 3D schematic diagram in the present invention.
In figure：1- backform, 2- side mould, 3- bed die, 31- cylindrical boss, 32-U type groove, 33- heat dam, 4-
Heat-conducting pad, 5- annular conduit, 51- admitting pipe joint, 52- titting water outlet, 6- cover plate, 7- are incubated asbestos.
Specific embodiment
Shown in Fig. 1-Fig. 3, a kind of improved low pressure casting wheel mould, including backform 1, side mould 2, bed die 3, three is common
Constitute mold cavity, it is ensured that the smooth shaping of wheel foundry goods；Chamber root is carried on the back in bed die 3 and correspond to setting cylindrical boss at thermal center
31, number is consistent with spoke quantity, and which is used as the cold cooling source of thermal center location point；U-shaped groove 32 is processed in cylindrical boss 31,
And heat-conducting pad 4 is placed in groove, the excellent red copper of heat conductivility, graphite flake etc., thickness 1-3mm may be selected；By made
Annular conduit 5 is placed on the pad in groove, and water pipe bottom will be higher by the end face of cylindrical boss, to ensure that cover plate 6 can be by which
It is firmly secured in groove, and realizes the good fit of water pipe and heat-conducting pad；Cover plate is connected with bed die boss spot welding；Annular water
5 internal diameter of pipe is 8-12mm, and is welded with admitting pipe joint 51, titting water outlet 52, and admitting pipe joint 51, titting water outlet 52 are in
180 ° are arranged symmetrically, it is ensured that uniformity during cooling；Supplying pipe selects stainless steel tube, it is to avoid the unfavorable shadow that scale is generated
Ring；Water pipe away from bed die cavity surface 30-40mm, to ensure rational intensity of cooling so as to be unlikely to too strong or excessively weak.In column
The front end processing heat dam 33 of boss 31, bottom land arrange insulation asbestos 7 away from mould cavity surface 10-20mm in groove, as far as possible will be cold
But scope control reduces the impact to thermal center head temperature, so as to ensure the good feeding of aluminium liquid in thermal center region.
Present configuration is simple, has carried out rational improvement to die structure, for spoke thermal center region, has processed column
Boss by cooling control in the range of thermal center, and does not affect the Temperature Distribution of front end, it is achieved that more accurate as cooling source
Refrigeration；Existing air-cooled by the replacement of water pipe cooling form, intensity of cooling is significantly strengthened, improves the solidification speed of aluminium liquid
Degree, it is achieved that the quick cooling of foundry goods, effectively solves the problems, such as easily occur shrinkage porosite, shrinkage cavity at thermal center；Meanwhile, aluminium liquid mistake
Cold degree there has also been significantly increasing, makes internal grain obtain obvious refinement, greatly improves the mechanical property of foundry goods；Always
It, the application of novel die improves forming quality and the integrated yield of foundry goods, furthermore achieved that the high-quality life of wheel
Produce.
Claims (4)
1. a kind of improved low pressure casting wheel mould, including backform（1）, Bian Mo（2）, bed die（3）, it is characterised in that：The bottom of at
Mould（3）Back of the body chamber root is corresponded at thermal center and arranges cylindrical boss（31）, number is consistent with spoke quantity；Boss（31）Upper setting is U-shaped
Groove（32）, and heat-conducting pad is placed in groove（4）, annular conduit（5）The heat-conducting pad being placed in groove（4）On, annular water
Pipe（5）Bottom is higher by cylindrical boss（31）End face, in cylindrical boss（31）Front end arrange heat dam（33）, bottom land is away from mould
Cavity surface 10-20mm, fills up insulation asbestos in groove（7）.
2. a kind of improved low pressure casting wheel mould according to claim 1, it is characterised in that：Heat-conducting pad（4）Adopt
With red copper, graphite material, thickness 1-3mm.
3. a kind of improved low pressure casting wheel mould according to claim 1, it is characterised in that：Annular conduit（5）Interior
Footpath is 8-12mm, and is welded with admitting pipe joint（51）, titting water outlet（52）, admitting pipe joint（51）, titting water outlet
（52）It is arranged symmetrically in 180 °, annular conduit（5）Away from bed die cavity surface 30-40mm.
4. a kind of improved low pressure casting wheel mould according to claim 1, it is characterised in that：Heat dam（33）Bottom land
Away from mould cavity surface 10-20mm, insulation asbestos are filled up in groove（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863397.6A CN106475547A (en) | 2016-09-29 | 2016-09-29 | A kind of improved low pressure casting wheel mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863397.6A CN106475547A (en) | 2016-09-29 | 2016-09-29 | A kind of improved low pressure casting wheel mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106475547A true CN106475547A (en) | 2017-03-08 |
Family
ID=58268133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610863397.6A Pending CN106475547A (en) | 2016-09-29 | 2016-09-29 | A kind of improved low pressure casting wheel mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106475547A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694855A (en) * | 2017-03-19 | 2017-05-24 | 中信戴卡股份有限公司 | Low-pressure casting aluminum wheel mold |
| CN107175321A (en) * | 2017-05-19 | 2017-09-19 | 合肥德捷节能环保科技有限公司 | It is a kind of to be used to make the firm lower mould of wheel |
| CN114799079A (en) * | 2022-04-13 | 2022-07-29 | 徐浩 | Sprue pressurization hub casting mold and casting method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090065170A1 (en) * | 2007-09-11 | 2009-03-12 | Honda Motor Co., Ltd. | Die cooling apparatus and method thereof |
| CN203565824U (en) * | 2013-11-26 | 2014-04-30 | 中信戴卡股份有限公司 | Improved wheel mould |
| CN203936360U (en) * | 2014-07-25 | 2014-11-12 | 中信戴卡股份有限公司 | The cold mould of a kind of improved water spot |
| CN204209101U (en) * | 2014-09-15 | 2015-03-18 | 中信戴卡股份有限公司 | Low-pressure casting die of aluminum vehicle wheel |
| CN206009788U (en) * | 2016-09-29 | 2017-03-15 | 中信戴卡股份有限公司 | A kind of improved low pressure casting wheel mould |
-
2016
- 2016-09-29 CN CN201610863397.6A patent/CN106475547A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090065170A1 (en) * | 2007-09-11 | 2009-03-12 | Honda Motor Co., Ltd. | Die cooling apparatus and method thereof |
| CN203565824U (en) * | 2013-11-26 | 2014-04-30 | 中信戴卡股份有限公司 | Improved wheel mould |
| CN203936360U (en) * | 2014-07-25 | 2014-11-12 | 中信戴卡股份有限公司 | The cold mould of a kind of improved water spot |
| CN204209101U (en) * | 2014-09-15 | 2015-03-18 | 中信戴卡股份有限公司 | Low-pressure casting die of aluminum vehicle wheel |
| CN206009788U (en) * | 2016-09-29 | 2017-03-15 | 中信戴卡股份有限公司 | A kind of improved low pressure casting wheel mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694855A (en) * | 2017-03-19 | 2017-05-24 | 中信戴卡股份有限公司 | Low-pressure casting aluminum wheel mold |
| CN107175321A (en) * | 2017-05-19 | 2017-09-19 | 合肥德捷节能环保科技有限公司 | It is a kind of to be used to make the firm lower mould of wheel |
| CN114799079A (en) * | 2022-04-13 | 2022-07-29 | 徐浩 | Sprue pressurization hub casting mold and casting method thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170308 |
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| WD01 | Invention patent application deemed withdrawn after publication |