CN102773458A - Sprue plugging device for casting sand mold at low pressure and method for casting sand mold at low pressure - Google Patents
Sprue plugging device for casting sand mold at low pressure and method for casting sand mold at low pressure Download PDFInfo
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- CN102773458A CN102773458A CN2012103070717A CN201210307071A CN102773458A CN 102773458 A CN102773458 A CN 102773458A CN 2012103070717 A CN2012103070717 A CN 2012103070717A CN 201210307071 A CN201210307071 A CN 201210307071A CN 102773458 A CN102773458 A CN 102773458A
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Abstract
The invention discloses a sprue plugging device for casting a sand mold at low pressure and a method for casting the sand mold at low pressure. A groove is formed in a cast straight sprue part; a plugging piece is put into the groove; a square pouring hole is formed in the plugging piece; a plugging guide hole is formed in the back of a lower sand mold; an oil cylinder is arranged on the outer side of the guide hole; and a piston rod of the oil cylinder extends into the cast guide hole. The plugging method comprises the following steps that when a control system receives a signal indicating that the low-pressure casting is finished, the piston rod of the oil cylinder is controlled to quickly extend and pushes casting sand in a casting mold to forwards move together with the plugging piece along the guide hole; after reaching a certain travel, the oil cylinder stops moving, and the low-pressure casting pressurization system exhausts air and releases pressure; the plugging piece is staggered to separate a straight sprue; the plugged casting mold and a casting which is not completely solidified can move away from a pouring position, and the casting mold is overturned, cooled and solidified; and another casing mold is moved to the pouring position to be poured. The sprue plugging device is mainly used for manufacturing low-pressure cast complete equipment.
Description
Technical field
The present invention relates to a kind of casting device and process thereof, this device and method is mainly used on the aluminium alloy tide mould sand type low pressure casting.
Background technology
Because the sand mold low pressure casting is under the antigravity state, to be full of casting mold from bottom to top, fill steady, the easy control of type, be convenient to the casting mold exhaust, casting quality is good.This process is used widely at casting field.
At present, at known sand mold low pressure casting technical elements, when carrying out the sand mold low pressure casting, normally casting mold (together with foundry goods) is moved apart pouring position after accomplish pressure casting and pressurize and solidify.But because the sand mold poor thermal conductivity, the casting solidification time is long, causes productivity ratio lower.
Summary of the invention
The present invention is directed to the shortcoming that prior art exists, proposed a kind of after the low pressure casting pressurization is filled type and finished, through the cast gate plugging device, quick blocking cast gate (low pressure casting compression system exhaust pressure relief simultaneously).So just can move apart pouring position to casting mold, the upset casting mold carries out cooled and solidified.Then, another set of casting mold is moved to pouring position pour into a mould, thus the productivity ratio of increasing substantially.
The technical measures that the present invention adopted are: a kind of sand mold low pressure casting shutoff gating apparatus; It comprises up and down sand mold, produce at the sprue position of described upper and lower sand mold and have the groove of casting pattern draft; In described groove, place described closeouts; The bullport that the driver part that supplies the closeouts driving mechanism passes through is set, at bullport arranged outside closeouts driving mechanism at the described down sand mold back side.
The concrete characteristics of this programme also have, and said closeouts driving mechanism comprises oil cylinder, and the oil cylinder piston bar is over against the bullport of following sand mold.
Said closeouts comprise ceramic plugging block and be arranged at bullport and sprue between with bullport and the isolated reservation sand of sprue group, the setting that keeps sand group can not connect bullport and sprue; Last sand mold groove on one side is along the diminishing step-like groove of ceramic plugging block direction of advance, and depth of groove is greater than the displacement of said ceramic plugging block; The front end of pottery plugging block is sheared the molding sand of sand mold groove side in the process of moving forward, and is deposited in the interior shearing sand group that forms of remaining space of ceramic plugging block front end groove.
On the described ceramic plugging block square plug hole is arranged.
Said closeouts comprises resin sand lump that is fixed in the groove and the shutoff steel plate that is slidingly matched with it.The resin sand lump is combined by two halves sand lump bonding; On the resin sand lump plug hole is set, perpendicular to the plug hole axis gathering sill is set at resin sand lump middle part, gathering sill is arranged on the two halves sand lump respectively and the combination back forms pilot hole; The shutoff steel plate is arranged at interior also the cunning with it of pilot hole of a side and joins the shutoff of realization to plug hole, and the other end of shutoff steel plate extends in the bullport.Pilot hole be distributed in the plug hole both sides and and plug hole between the resin sand of 5-10mm at interval.Gap between pilot hole and the shutoff steel plate is no more than 0.1 ~ 0.2mm, is provided with aluminium silicate wool at the pilot hole that is positioned at shutoff steel plate offside.
Place screen pack in the sprue porch, play aluminum filtration liquid and prevent that sand grains from falling in the low pressure casting holding furnace.
The present invention also provides a kind of method of sand mold low pressure casting; It comprises the steps: after the control system receives the signal of low pressure casting casting complete; Described propelling oil cylinder piston bar stretches out fast; The closeouts that promotes in the casting mold along bullport moves forward, and stops after described propelling oil cylinder reaches certain stroke, simultaneously low pressure casting compression system exhaust pressure relief; At this moment, described closeouts dislocation afterwards separates sprue and stops the aluminium flow to go out; The casting mold that shutoff is good can move apart pouring position together with the foundry goods that does not solidify fully, and with casting mold upset back cooled and solidified; Then another set of casting mold being moved to pouring position pours into a mould.
The invention provides two cover technical schemes:
Scheme one: one of sand mold low pressure casting shutoff gating apparatus and method for blocking.It comprises sand mold, industrial ceramics plugging block, screen pack, ceramic lift tube and the propelling oil cylinder that forms after upper and lower sandbox, molding sand are filled.It is characterized in that in upper and lower sandbox, forming casting mold with the tide mould sand filling moulding.Groove is produced at sprue position at casting mold, in groove, places ceramic plugging block, and square plug hole is arranged on the plugging block.Place screen pack in the sprue porch, play aluminum filtration liquid and prevent that sand grains from falling in the low pressure casting holding furnace.Mill out bullport at the following sand mold back side, this bullport does not connect with sprue, a part of sand of reservation group between the two.Advance oil cylinder in the bullport arranged outside, its piston rod stretches to the bullport of casting mold.Its method for blocking is after the control system receives the signal of low pressure casting casting complete; The oil cylinder piston bar stretches out fast; The reservation sand group and the ceramic plugging block that promote in the casting mold along bullport move forward, and the oil cylinder piston bar stops (low pressure casting compression system exhaust pressure relief simultaneously) after reaching certain stroke.At this moment, ceramic plugging block dislocation back separates sprue, and the reservation sand group of piston rod front end moves forward, and the gap in the shutoff between plugging block and the casting mold stops the aluminium flow to go out.The casting mold that shutoff is good can move apart pouring position together with the foundry goods that does not solidify fully, and with casting mold upset back cooled and solidified.Then another set of casting mold being moved to pouring position pours into a mould.
Scheme two: two of sand mold low pressure casting shutoff gating apparatus and method.It comprises sand mold, resin sand lump, shutoff steel plate, screen pack, ceramic lift tube and the propelling oil cylinder that forms after upper and lower sandbox, molding sand are filled.It is characterized in that in the two halves sandbox, forming casting mold with the tide mould sand filling moulding.Groove is produced at sprue position at casting mold, in groove, places the resin sand lump, and square plug hole and pilot hole are arranged on the resin sand lump.Place screen pack in the sprue porch, play aluminum filtration liquid and prevent that sand grains from falling in the low pressure casting holding furnace.Mill out bullport at the following sand mold back side, the shutoff steel plate is put into the pilot hole of resin sand lump, and reach in the bullport.At bullport arranged outside oil cylinder, its piston rod stretches to the bullport of casting mold.Its method for blocking is after the control system receives the signal of low pressure casting casting complete; The oil cylinder piston bar stretches out fast; Promote the shutoff steel plate and move forward along pilot hole, the oil cylinder piston bar stops (low pressure casting compression system exhaust pressure relief simultaneously) after arriving certain stroke.At this moment, the shutoff steel plate moves to insert in the resin sand lump opposite side pilot hole and separates sprue, because the cooling effect of steel plate can stop the slit of aluminium liquid between steel plate and sand mold and flow out.The casting mold that shutoff is good can move apart pouring position together with the foundry goods that does not solidify fully, and with casting mold upset back cooled and solidified.Then another set of casting mold being moved to pouring position pours into a mould.
The invention has the beneficial effects as follows, utilize the characteristics pouring cast part that low pressure casting is steady at antigravity state lower charging type, be prone to control, can reduce casting defect, improve casting quality.Utilize cast gate plugging device and method, block cast gate, casting mold is moved apart pouring position, and, then another set of casting mold is moved to pouring position and pour into a mould casting mold upset back cooled and solidified.Can increase substantially the production efficiency of sand mold low pressure casting.
Description of drawings
Below in conjunction with accompanying drawing and embodiment two schemes of the present invention are further specified.
Fig. 1～Fig. 5 is the present invention program one structure and a method sketch map.Wherein, Fig. 1 is the present invention program's one shutoff pre-structure sketch map; Fig. 2 is a structural representation after the present invention program's one shutoff; Fig. 3 is that the B of Fig. 1 is to view; Fig. 4 is that the A-A of Fig. 3 is to cutaway view; Fig. 5 is the structural representation after casting mold overturns together with foundry goods.
Fig. 6～Figure 10 is the present invention program two structure and a method sketch map.Wherein, Fig. 6 is the present invention program's two shutoff pre-structure sketch mapes; Fig. 7 is a structural representation after the present invention program's two shutoff; Fig. 8 is that the B of Fig. 6 is to view; Fig. 9 is that the A-A of Fig. 8 is to cutaway view; Figure 10 is the structural representation figure after casting mold overturns together with foundry goods; Figure 11～Figure 12 is the resin sand formation of lots sketch map in the scheme two.
Among the figure: the 1-cope; The last sand mold of 2-; The 3-drag box; Sand mold under the 4-; 5-foundry goods die cavity; The 6-oil cylinder; The 7-screen pack; The 8-sealing gasket; The 9-ceramic lift tube; The 10-groove; The 11-foundry goods; 12-shutoff sand group; The 13-sprue; 14-shears sand group; The 15-bullport; 16-keeps sand group; 17-pottery plugging block; The 18-pilot hole; 19-resin sand lump; 20-shutoff steel plate; The 21-gathering sill; The 22-aluminium silicate wool.
The specific embodiment
Embodiment one:
Shown in Fig. 1～5; A kind of sand mold low pressure casting shutoff gating apparatus; It comprises sand mold 2 and play sand mold 4, the sprue position of sand mold 2, time sand mold 4 is produced and had the groove 10 of casting pattern draft on described; In described groove 10, place described closeouts, the bullport 15 that the driver part that supplies the closeouts driving mechanism passes through is set, at described sand mold 4 back sides down at bullport 15 arranged outside closeouts driving mechanisms.Said closeouts driving mechanism comprises oil cylinder 6, and oil cylinder 6 piston rods are over against the bullport 15 of following sand mold 4.Said closeouts comprise ceramic plugging block 17 and be arranged at bullport 15 and sprue 13 between with the isolated reservation sand of bullport 15 and sprue 13 group 16, the setting that keeps sand group 16 can not connect bullport 15 and sprue 13; Be positioned at sand mold 2 groove 10 on one side and be the diminishing step-like groove of ceramic plugging block 17 directions of advance in edge, and groove 10 degree of depth are greater than the displacement of said ceramic plugging block 17; The front end of pottery plugging block 17 is sheared the molding sand of sand mold 2 grooves 10 sides in the process of moving forward, and is deposited in the interior shearing sand group 14 that forms of remaining space of ceramic plugging block 17 front end grooves 10.
On the described ceramic plugging block 17 square plug hole is arranged.Place screen pack 7 in sprue 13 porch, play aluminum filtration liquid and prevent that sand grains from falling in the low pressure casting holding furnace.
During use, adopt tide mould sand in cope 1, drag box 3, to produce sand mold 2 and following sand mold 4 respectively, mill out bullport 15 at described sand mold 4 back sides down.Ceramic plugging block 17 is placed on down in the groove 10 of sand mold 4, groove 10 has the casting pattern draft of direction as shown, and sand mold 2 groove on one side is a stepped recesses on described.Described upward sand mold 2 is closed up with following sand mold 4 and locks.In sprue 13 porch, place screen pack 7 backs and form complete casting mold, the casting mold that assembles is moved to pouring position, dock with ceramic lift tube 9, between described screen pack 7 and ceramic lift tube 9, place aluminium silicate wool sealing gasket 8.In described bullport 15 1 sides of sand mold 4 down propelling oil cylinder 7, its piston rod and described bullport 15 centerings are set.
After casting mold moves to pouring position, carry out low-pressure casting (Fig. 1).Aluminium liquid rises along ceramic lift tube 9, gets into die cavity 5 through screen pack 7 and ceramic plugging block 17.After treating that aluminium liquid is full of die cavity 5, low pressure casting control system sends signal, and the piston rod of oil cylinder 6 stretches out (simultaneously fast; Low pressure casting compression system exhaust pressure relief), described bullport 15 is also passed through in entering, promotes described reservation sand group 16 and ceramic plugging block 17 and moves forward; Pottery plugging block 17 blocks described sprue 13, and described reservation sand rolls into a ball 16 by bursting and reach, is deposited in oil cylinder piston bar front end; Form 12 (Fig. 2) of shutoff sand group; Block gap between ceramic plugging block 17 and the following sand mold 4 (for ease of moulding time molding, this gap can be controlled between the 0.2-0.5mm), retardance aluminium hydrorrhea goes out.After stretching out certain stroke, the piston rod of controlling described oil cylinder 6 stops, then withdrawal.When the front end of described ceramic plugging block 17 moves forward; Shear the described molding sand of going up sand mold 2 groove sides; Because depth of groove is greater than the displacement of described ceramic plugging block 17; The molding sand of shearing is deposited in the remaining space of ceramic plugging block 17 front end grooves, forms to shear sand group 14, has guaranteed that described last sand mold 2 can be by bursting.
The casting mold that shutoff is good moves apart pouring position together with the foundry goods that does not solidify fully 11, and cooled and solidified (Fig. 5) is carried out in upset.Then, then another set of casting mold being moved to pouring position pours into a mould.
Embodiment two:
Like Fig. 6～shown in Figure 10, present embodiment and embodiment one something in common repeat no more, and difference is that said closeouts comprises resin sand lump 19 that is fixed in the groove 10 and the shutoff steel plate 20 that is slidingly matched with it.Resin sand lump 19 is combined by two halves sand lump bonding; On the resin sand lump 19 plug hole is set, perpendicular to the plug hole axis gathering sill 21 is set at resin sand lump 19 middle parts, gathering sill 21 is arranged on the two halves sand lump respectively and the combination back forms pilot hole 18; Shutoff steel plate 20 is arranged at pilot hole 18 interior also the cunnings with it of a side and joins the shutoff of realization to plug hole, and the other end of shutoff steel plate 20 extends in the bullport 15.Pilot hole 18 be distributed in the plug hole both sides and and plug hole between the resin sand of 5-10mm at interval.Gap between pilot hole 18 and the shutoff steel plate 20 is no more than 0.1 ~ 0.2mm, is provided with aluminium silicate wool 22 at the pilot hole 18 that is positioned at shutoff steel plate 20 offsides.
A kind of sand mold low pressure casting shutoff gating apparatus and method (two).Adopt tide mould sand in cope 1, drag box 3, to produce sand mold 2 and following sand mold 4 respectively.Adopt resin sand to produce resin sand lump 19; Resin sand lump 19 combines (Figure 11, Figure 12) by two halves sand lump bonding; The combination back forms pilot hole 18; Pilot hole 18 wide 5mm, the distance between pilot hole 18 and the plug hole is 5 ~ 10mm (Figure 12), and the gap between the described shutoff steel plate 20 is no more than 0.1 ~ 0.2mm.On the two halves sand lump, make gathering sill 21 respectively.Before the combination, aluminium silicate wool 22 is placed the gathering sill 21 interior (Figure 12) of sand mold 2 two halves sand lump on one side.After the combination, in the pilot hole 18 on the described resin sand lump 19 of shutoff steel plate 20 insertions.Described resin sand lump 19 is placed on down together with described shutoff steel plate 20 in the groove 10 of sand mold 4, the described sand mold 2 of going up is closed up with play sand mold 4 and locks the formation casting mold.In sprue 13 porch, placing aluminium alloy liquid screen pack 7 backs form complete casting mold, and the casting mold that assembles is moved to pouring position, dock with ceramic lift tube 9, between described screen pack 7 and ceramic lift tube 9, place aluminium silicate wool sealing gasket 8.
After casting mold moved to pouring position, carry out low-pressure casting (Fig. 6).Aluminium liquid rises along ceramic lift tube 9, gets into foundry goods die cavity 5 through screen pack 7 and resin sand lump 19.After treating that aluminium liquid is full of foundry goods die cavity 5, low pressure casting control system sends signal, and the piston rod of oil cylinder 6 stretches out (simultaneously fast; Low pressure casting compression system exhaust pressure relief); Get into described bullport 15, promote described shutoff steel plate 20 and move forward, shutoff steel plate 20 blocks described sprue 13; And pass in the pilot hole 18 that resin sand lump 19 gets into aluminium silicate wools 22 places (Fig. 7), aluminium silicate wool 22 stops the aluminium liquid to immerse.The piston rod of described oil cylinder 6 stops after stretching out certain stroke, then withdrawal.Even there is small amount of aluminum liquid to creep into the slit between shutoff steel plate 20 and the resin sand lump 19, the also cooling effect of invar plate and solidifying has stoped the aluminium hydrorrhea to go out.
The casting mold that shutoff is good moves apart pouring position together with the foundry goods that does not solidify fully 11, and cooled and solidified (Figure 10) is carried out in upset.Then another set of casting mold being moved to pouring position pours into a mould.
Claims (10)
1. sand mold low pressure casting shutoff gating apparatus; It comprises up and down sand mold, produce at the sprue position of described upper and lower sand mold and have the groove of casting pattern draft; In described groove, place closeouts; The bullport that the driver part that supplies the closeouts driving mechanism passes through is set, at bullport arranged outside closeouts driving mechanism at the said down sand mold back side.
2. sand mold low pressure casting shutoff gating apparatus according to claim 1 is characterized in that said closeouts driving mechanism comprises oil cylinder, and the oil cylinder piston bar is over against the bullport of following sand mold.
3. sand mold low pressure casting shutoff gating apparatus according to claim 1, it is characterized in that said closeouts comprise ceramic plugging block and be arranged at bullport and sprue between with bullport and the isolated reservation sand of sprue group; Last sand mold groove on one side is along the diminishing step-like groove of ceramic plugging block direction of advance, and depth of groove is greater than the displacement of said ceramic plugging block; The front end of pottery plugging block is sheared the molding sand of sand mold groove side in the process of moving forward, and is deposited in the interior shearing sand group that forms of remaining space of ceramic plugging block front end groove.
4. sand mold low pressure casting shutoff gating apparatus according to claim 3 is characterized in that on the described ceramic plugging block square plug hole being arranged.
5. sand mold low pressure casting shutoff gating apparatus according to claim 1 is characterized in that said closeouts comprises resin sand lump that is fixed in the groove and the shutoff steel plate that is slidingly matched with it.
6. sand mold low pressure casting shutoff gating apparatus according to claim 5 is characterized in that the resin sand lump is combined by two halves sand lump bonding; On the resin sand lump plug hole is set, perpendicular to the plug hole axis gathering sill is set at resin sand lump middle part, gathering sill is arranged on the two halves sand lump respectively and the combination back forms pilot hole; The shutoff steel plate is arranged at interior also the cunning with it of pilot hole of a side and joins the shutoff of realization to plug hole, and the other end of shutoff steel plate extends in the bullport.
7. sand mold low pressure casting shutoff gating apparatus according to claim 6, it is characterized in that pilot hole be distributed in the plug hole both sides and and plug hole between the resin sand of 5-10mm at interval.
8. according to claim 6 or 7 described sand mold low pressure casting shutoff gating apparatus, it is characterized in that the gap between pilot hole and the shutoff steel plate is no more than 0.1 ~ 0.2mm, be provided with aluminium silicate wool at the pilot hole that is positioned at shutoff steel plate offside.
9. sand mold low pressure casting shutoff gating apparatus according to claim 1 is characterized in that placing screen pack in the sprue porch, plays aluminum filtration liquid and prevents that sand grains from falling in the low pressure casting holding furnace.
10. the method for a sand mold low pressure casting; It comprises the steps: after the control system receives the signal of low pressure casting casting complete; Described propelling oil cylinder piston bar stretches out fast; The closeouts that promotes in the casting mold along bullport moves forward, and stops after described propelling oil cylinder reaches certain stroke, simultaneously low pressure casting compression system exhaust pressure relief; At this moment, described closeouts dislocation afterwards separates sprue and stops the aluminium flow to go out; The casting mold that shutoff is good can move apart pouring position together with the foundry goods that does not solidify fully, and with casting mold upset back cooled and solidified; Then another set of casting mold being moved to pouring position pours into a mould.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324447.4A CN104057062B (en) | 2012-08-27 | 2012-08-27 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
| CN201210307071.7A CN102773458B (en) | 2012-08-27 | 2012-08-27 | Sprue plugging device for casting sand mold at low pressure and method for casting sand mold at low pressure |
| CN201410324643.1A CN104043806B (en) | 2012-08-27 | 2012-08-27 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307071.7A CN102773458B (en) | 2012-08-27 | 2012-08-27 | Sprue plugging device for casting sand mold at low pressure and method for casting sand mold at low pressure |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410324643.1A Division CN104043806B (en) | 2012-08-27 | 2012-08-27 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
| CN201410324447.4A Division CN104057062B (en) | 2012-08-27 | 2012-08-27 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
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| CN102773458A true CN102773458A (en) | 2012-11-14 |
| CN102773458B CN102773458B (en) | 2014-09-03 |
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| CN201410324643.1A Expired - Fee Related CN104043806B (en) | 2012-08-27 | 2012-08-27 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
| CN201210307071.7A Expired - Fee Related CN102773458B (en) | 2012-08-27 | 2012-08-27 | Sprue plugging device for casting sand mold at low pressure and method for casting sand mold at low pressure |
| CN201410324447.4A Expired - Fee Related CN104057062B (en) | 2012-08-27 | 2012-08-27 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
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| CN201410324447.4A Expired - Fee Related CN104057062B (en) | 2012-08-27 | 2012-08-27 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
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| CN104107895B (en) * | 2013-04-17 | 2016-09-07 | 辛光子 | Metal die |
| CN106955987A (en) * | 2017-05-09 | 2017-07-18 | 国营第六六厂 | Low pressure casting rising head plugging device and method for blocking |
| CN107321959A (en) * | 2017-09-05 | 2017-11-07 | 哈尔滨工业大学 | Large ship rises liquid disabling mechanism with copper alloy propeller counter-pressure casting |
| CN112475232A (en) * | 2020-12-10 | 2021-03-12 | 中国科学院金属研究所 | Large ceramic shell flow choking method for allowance-free precision casting |
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| CN104043806B (en) * | 2012-08-27 | 2016-04-27 | 济南铸造锻压机械研究所有限公司 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
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| CN106563787A (en) * | 2015-10-12 | 2017-04-19 | 天津达祥精密工业有限公司 | Negative-pressure up-draft casting device |
| CN105312515B (en) * | 2015-11-26 | 2018-12-18 | 中冶京诚工程技术有限公司 | Casting equipment and method of steel ingot for wide and thick plate |
| CN118417498B (en) * | 2024-07-02 | 2024-09-13 | 成都裕鸢航空智能制造股份有限公司 | Sprue assembly, wax pressing machine and precision casting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1357410A (en) * | 1970-09-29 | 1974-06-19 | Gravicast Patent Gmbh | Casting of castable materials |
| CN1048515A (en) * | 1989-07-06 | 1991-01-16 | 希钦拿制造有限公司 | The counter-gravity casting equipment and the method for overflowing with magnetically actuated valve to prevent molten metal |
| WO1993011892A2 (en) * | 1991-12-07 | 1993-06-24 | Baxi Partnership Limited | Casting of light metal alloys |
| CN1149270A (en) * | 1994-05-27 | 1997-05-07 | 乔治·费希尔·迪萨公司 | Method of closing the inlet in a mould after non-gravity casting with a non-ferrous alloy of Green-sand moulds in a mould-string plant |
| JP2637813B2 (en) * | 1989-01-18 | 1997-08-06 | 本田技研工業株式会社 | Mold casting method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3905419A (en) * | 1970-09-29 | 1975-09-16 | Gravicast Patent Gmbh | Device for rise casting into a mold |
| JPH07124695A (en) * | 1993-11-08 | 1995-05-16 | Toyota Motor Corp | Casting device |
| ES2156508B1 (en) * | 1998-01-16 | 2002-02-01 | Loramendi Sa | "PROCEDURE FOR OBTAINING NON-FERREAL METAL PARTS BY COLADA IN GREEN SAND MOLDS". |
| CN100464890C (en) * | 2005-12-19 | 2009-03-04 | 河南科技大学 | Method for forming magnesium alloy pipe fitting |
| CN104043806B (en) * | 2012-08-27 | 2016-04-27 | 济南铸造锻压机械研究所有限公司 | The method of sand mold low pressure casting shutoff gating apparatus and sand mold low pressure casting |
-
2012
- 2012-08-27 CN CN201410324643.1A patent/CN104043806B/en not_active Expired - Fee Related
- 2012-08-27 CN CN201210307071.7A patent/CN102773458B/en not_active Expired - Fee Related
- 2012-08-27 CN CN201410324447.4A patent/CN104057062B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1357410A (en) * | 1970-09-29 | 1974-06-19 | Gravicast Patent Gmbh | Casting of castable materials |
| JP2637813B2 (en) * | 1989-01-18 | 1997-08-06 | 本田技研工業株式会社 | Mold casting method |
| CN1048515A (en) * | 1989-07-06 | 1991-01-16 | 希钦拿制造有限公司 | The counter-gravity casting equipment and the method for overflowing with magnetically actuated valve to prevent molten metal |
| WO1993011892A2 (en) * | 1991-12-07 | 1993-06-24 | Baxi Partnership Limited | Casting of light metal alloys |
| CN1149270A (en) * | 1994-05-27 | 1997-05-07 | 乔治·费希尔·迪萨公司 | Method of closing the inlet in a mould after non-gravity casting with a non-ferrous alloy of Green-sand moulds in a mould-string plant |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107895B (en) * | 2013-04-17 | 2016-09-07 | 辛光子 | Metal die |
| CN104259389A (en) * | 2014-09-09 | 2015-01-07 | 西安航空动力股份有限公司 | Central casting pipe for single crystal casting and preparation method thereof |
| CN106955987A (en) * | 2017-05-09 | 2017-07-18 | 国营第六六厂 | Low pressure casting rising head plugging device and method for blocking |
| CN107321959A (en) * | 2017-09-05 | 2017-11-07 | 哈尔滨工业大学 | Large ship rises liquid disabling mechanism with copper alloy propeller counter-pressure casting |
| CN107321959B (en) * | 2017-09-05 | 2019-04-16 | 哈尔滨工业大学 | Large ship rises liquid disabling mechanism with copper alloy propeller counter-pressure casting |
| CN112475232A (en) * | 2020-12-10 | 2021-03-12 | 中国科学院金属研究所 | Large ceramic shell flow choking method for allowance-free precision casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102773458B (en) | 2014-09-03 |
| CN104043806A (en) | 2014-09-17 |
| CN104057062A (en) | 2014-09-24 |
| CN104057062B (en) | 2016-01-20 |
| CN104043806B (en) | 2016-04-27 |
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