CN2204209Y - Vacuum-pressured casting device - Google Patents
Vacuum-pressured casting device Download PDFInfo
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- CN2204209Y CN2204209Y CN 94246420 CN94246420U CN2204209Y CN 2204209 Y CN2204209 Y CN 2204209Y CN 94246420 CN94246420 CN 94246420 CN 94246420 U CN94246420 U CN 94246420U CN 2204209 Y CN2204209 Y CN 2204209Y
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Abstract
The utility model relates to a variable-pressure casting device. The utility model the main technical characteristics that a crucible is arranged in a lower sealed chamber which is provided with a heater and thermal insulation material, and a movable mould, a static mould and a mould core are arranged in an upper sealed chamber which is composed of an upper seal cover which is provided with a loose core cylinder and a matched mould oil cylinder and a bottom board. One end of a liquid rising tube is inserted in the crucible, and the other end is communicated into the mould cavity through the bottom board and the static mould. The upper sealed chamber and the lower sealed chamber are connected to the vacuum pressure controlling device via a pipe. The utility model can fundamentally solve the problems of casting, such as air exhaust, air roll, etc., and have stable casting quality, high the productive efficiency, little device investment and mould production simplification. The utility model is especially suitable for large and medium-sized thin-wall complicated metal casting.
Description
The utility model belongs to a kind of Casting Equipment, particularly a kind of casting of automobile, the used vacuum pressed casting device of bike wheel.
The equipment that the hot investment casting of common metal part is adopted has permanent mold casting, low pressure casting and counter-pressure casting, compression casting etc.Liquid metal enters die cavity under pressure (gravity) effect, solidify the back demoulding, promptly casts part.But utilize these process equipments to cast, particularly the casting of the thin-wall complicated part part that all comes with some shortcomings.One, in stowing operation because gas is difficult to timely discharge, thereby cause pore, volume gas, casting flaw such as be mingled with.Two, owing to cavity pressure increases, thereby cause defectives such as the foundry goods part owes to water, cold shut, therefore poor product quality, the yield rate of casting are low.In order to address the above problem, normally in die cavity, add venting plug, and reduce the filling velocity of liquid metal, gas is discharged.But venting plug usually stops up and lost efficacy in casting process.Particularly to some thin-wall complicated, venting plug does not have effect, and can to make the thin-walled place fill type incomplete and reduce casting rate, therefore also influences casting quality.
The purpose of this utility model is to overcome weak point of the prior art and a kind of vacuum pressed casting device is provided.
The purpose of this utility model realizes by following measure:
The structure of vacuum pressed casting device is: adorning heater (2) in lower seal chamber (1), insulation material (3) and crucible (4), cover on the lower seal chamber adorning and go up seal closure base plate (7) by support (6) frame, sealing ring (8) and (9) are being adorned in the two ends of support (6), adorning by sealing ring (10) on the base plate and going up seal closure (11), and frame is being adorned moving platen (13) and fixed head (14), adorning upper sealing panel (27) on the last seal closure, and with closed chamber (15) on base plate (7) formation, adorning quiet mould (16) in the last closed chamber, the dynamic model (18) of band passage (17), core (19) and sensor (43), anti-push rod (22) is being adorned by sealing ring (21) in upper sealing panel top, one end of anti-push rod is connecting push pedal (20), the following push rod (44) that connecting of push pedal, last seal closure sidewall is being adorned the cylinder of loosing core (24) by sealing ring (23), the piston rod of cylinder of loosing core links to each other with core (19), fixed head (14) is put on the shelf and is being adorned die cylinder (26), the piston rod of die cylinder links to each other with moving platen (13), one end of stalk (28) inserts in the crucible, the molten metal passage that the other end passes lower seal chamber loam cake and last seal closure mount holder (6) and quiet mould (16) joins, and the feeding die cavity, last closed chamber and lower seal chamber are respectively by pipeline (29), (30) be connected with vacuum pressure control device (31).
The structure of vacuum pressure control device is: pipeline (29) respectively with Pressure gauge (32), last relief valve (33), intercommunication valve (34) is connected with last pressure regulator valve (35), last pressure regulator valve (35) is connected with vacuum valve (37) with pressure valve (36) respectively by pipeline, pipeline (30) respectively with Pressure gauge (38), intercommunication valve (34), following relief valve (39) is connected with following pressure regulator valve (40), following pressure regulator valve (40) is connected with vacuum valve (37) by pipeline, pressure valve (36) is connected with pressure source (41) by pipeline, and vacuum valve (37) is connected with vacuum source (42) by pipeline.
The utility model compared with prior art has following advantage:
Because this casting device die cavity and closed chamber before filling are intercommunications, thereby can make cavity pressure be reduced to authorized pressure rapidly, and filling rapidly, type and the pressure volume gas problem of filling fundamentally solved, effectively prevented pore, be mingled with, the generation of shrinkage porosite, thereby improved product quality.Since adopted the control system of a cover valve body, so pressure can be precisely controlled, easy to operate, the production efficiency height.Mould need not taked the exhaust measure.Thereby simplified mould structure, reduced manufacturing cost.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the structural representation of vacuum pressed casting device;
Fig. 2 is the structural representation of the vacuum pressure control device of vacuum pressed casting device.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail:
Make automobile, the structure of the vacuum pressed casting device of bike wheel is: adorning heater (2) in lower seal chamber (1), insulation material (3) and crucible (4), cover on the lower seal chamber adorning and go up seal closure base plate (7) by support (5) and (6) frame, sealing ring (8) and (9) are being adorned in the two ends of support (6), adorning by sealing ring (10) on the base plate and going up seal closure (11), and adorning moving platen (13) and fixed head (14) by pole (12) frame, dress cover upper sealing panel (27) on the last seal closure, and with closed chamber (15) on base plate (7) formation, adorning quiet mould (16) in the last closed chamber, the dynamic model (18) of band passage (17), core (19) and sensor (43), adorning anti-push rod (22) by sealing ring (21) on the upper sealing panel, one end of anti-push rod is connecting push pedal (20), the following push rod (44) that connecting of push pedal, last seal closure sidewall is being adorned the cylinder of loosing core (24) by sealing ring (23), the piston rod of cylinder of loosing core links to each other with core (19), fixed head (14) is put on the shelf and is being adorned die cylinder (26), the piston rod of die cylinder links to each other with moving platen (13) by support (25), one end of stalk (28) inserts in the crucible, the molten metal passage that the other end passes lower seal chamber loam cake and last seal closure mount holder (6) and quiet mould (16) joins, and feeds die cavity.Last closed chamber (15) is connected with last pressure regulator valve (35) with Pressure gauge (32), last relief valve (33), intercommunication valve (34) respectively by pipeline (29).Last pressure regulator valve (35) is connected with vacuum valve (37) with pressure valve (36) respectively by pipeline.Lower seal chamber (1) is connected with following pressure regulator valve (40) with Pressure gauge (38), intercommunication valve (34), following relief valve (39) respectively by pipeline (30).Following pressure regulator valve (40) is connected with vacuum valve (37) by pipeline, and pressure valve (36) is connected with pressure source (41) by pipeline, and vacuum valve (37) is connected with vacuum source (42) by pipeline.
During work, operation according to the following steps:
1, vacuumizes.At first intercommunication valve (34), following pressure regulator valve (40), vacuum valve (37) are opened, started the cylinder (24) of loosing core, mould passage (17) is communicated with die cavity.Vacuumize synchronously upper and lower closed chamber (1) and (15) this moment simultaneously, and can control the speed that vacuumizes by pressure regulator valve (40) under adjusting, observe Pressure gauge (32) and (38), when dropping to setting, its pressure (0.002～0.0095MPa) time, closes intercommunication valve (34), vacuum valve (37).
2, die cavity topping up.Start the cylinder (24) of loosing core, core passage (17) also is closed, and opens pressure valve (36), to descend pressure regulator valve (39) to be transferred to certain aperture, closed chamber (1) inflation downwards, the linear rising of lower seal chamber pressure this moment makes the metal liquid in its crucible (2) fill type along stalk (28).
3, upper and lower closed chamber pressurization.After die cavity was full of, the sensor above the die cavity (43) sent signal.Open pressure regulator valve (35), and will descend pressure regulator valve (40) to open maximum, the closed chamber intake velocity is by last pressure regulator valve (35) control on this moment.(0.05～0.6MPa) time, foundry goods under high pressure solidifies when upper and lower closed chamber is pressurized to setting fast.
4, pressure release.Behind the casting solidification, close down pressure regulator valve (40) and pressure valve (36), open upper and lower relief valve (33) and (39),, make its pressure drop to normal pressure upper and lower closed chamber pressure release.
5, die sinking pickup.Start loose core cylinder (24) and die cylinder (26), the piston of die cylinder drives moving platen (13) and upper sealing panel (27) and dynamic model (18), anti-push rod this moment (22) promotes push pedal (20) and push rod (44) makes foundry goods release casting mold, and a casting process is promptly finished in pickup.
Claims (2)
1, a kind of by crucible, mould, the casting device that oil cylinder and controller are formed, it is characterized in that: in lower seal chamber (1), adorning heater (2), insulation material (3) and crucible (4), cover on the lower seal chamber adorning and go up seal closure base plate (7) by support (6) frame, sealing ring (8) and (9) are being adorned in the two ends of support (6), adorning by sealing ring (10) on the base plate and going up seal closure (11), and frame is being adorned moving platen (13) and fixed head (14), adorning upper sealing panel (27) on the last seal closure, and with closed chamber (15) on base plate (7) formation, adorning quiet mould (16) in the last closed chamber, the dynamic model (18) of band passage (17), core (19) and sensor (43), anti-push rod (22) is being adorned by sealing ring (21) in upper sealing panel top, one end of anti-push rod is connecting push pedal (20), the following push rod (44) that connecting of push pedal, last seal closure sidewall is being adorned the cylinder of loosing core (24) by sealing ring (23), the piston rod of cylinder of loosing core links to each other with core (19), fixed head (14) is put on the shelf and is being adorned die cylinder (26), the piston rod of die cylinder links to each other with moving platen (13), one end of stalk (28) inserts in the crucible, the molten metal passage that the other end passes lower seal chamber loam cake and last seal closure mount holder (6) and quiet mould (16) joins, and the feeding die cavity, last closed chamber and lower seal chamber are respectively by pipeline (29), (30) be connected with vacuum pressure control device (31).
2, according to the said casting device of claim 1, it is characterized in that: the structure of said vacuum pressure control device is: pipeline (29) respectively with Pressure gauge (32), last relief valve (33), intercommunication valve (34) is connected with last pressure regulator valve (35), last pressure regulator valve (35) is connected with vacuum valve (37) with pressure valve (36) respectively by pipeline, pipeline (30) respectively with Pressure gauge (38), intercommunication valve (34), following relief valve (39) is connected with following pressure regulator valve (40), following pressure regulator valve (40) is connected with vacuum valve (37) by pipeline, pressure valve (36) is connected with pressure source (41) by pipeline, and vacuum valve (37) is connected with vacuum source (42) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94246420 CN2204209Y (en) | 1994-12-03 | 1994-12-03 | Vacuum-pressured casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94246420 CN2204209Y (en) | 1994-12-03 | 1994-12-03 | Vacuum-pressured casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2204209Y true CN2204209Y (en) | 1995-08-02 |
Family
ID=33851910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94246420 Expired - Fee Related CN2204209Y (en) | 1994-12-03 | 1994-12-03 | Vacuum-pressured casting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2204209Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100360263C (en) * | 2005-07-28 | 2008-01-09 | 中国科学院金属研究所 | Horizontal semi-continuous vacuum type suction casting furnace |
| CN101564766B (en) * | 2008-09-28 | 2011-02-02 | 福建工程学院 | Oriented time-sequence air-suction method for casting mould |
| CN1972792B (en) * | 2004-06-21 | 2011-04-06 | 有限会社尽田产业 | Mold, injection molding device, and injection molding method |
| CN101722289B (en) * | 2008-11-01 | 2011-09-28 | 吴为国 | Vacuum centrifugal casting machine |
| CN101791686B (en) * | 2008-11-01 | 2012-04-11 | 吴为国 | Vacuum pressure casting machine |
| CN102773414A (en) * | 2012-04-06 | 2012-11-14 | 北京时代锐智科贸有限公司 | No-riser casting machine |
| CN102773461A (en) * | 2012-07-26 | 2012-11-14 | 无锡蠡湖叶轮制造有限公司 | Vacuum pressure injection furnace |
| CN103418772A (en) * | 2012-05-18 | 2013-12-04 | 无锡蠡湖叶轮制造有限公司 | Full-automatic multi-stage metal-mold aluminum alloy injection compression method and machine |
| CN104028731A (en) * | 2014-07-01 | 2014-09-10 | 马鞍山市方圆动力科技有限公司 | Aluminum casting device through vacuum suction casting compressing solidification and method thereof |
| CN106881455A (en) * | 2017-02-27 | 2017-06-23 | 宇龙计算机通信科技(深圳)有限公司 | The method and its device of a kind of vacuum low-pressure casting handset shell |
| 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 |
| CN107900311A (en) * | 2017-11-10 | 2018-04-13 | 湖北三江航天万峰科技发展有限公司 | Thin-walled nacelle monolithic molding mould and its manufacturing process |
| CN108746553A (en) * | 2018-08-23 | 2018-11-06 | 苏州沧海真空机械有限公司 | Vacuum and the compound aluminum alloy casting apparatus and its method of low pressure |
| CN109940153A (en) * | 2017-12-20 | 2019-06-28 | 科华控股股份有限公司 | A kind of apparatus that monitoring casting mold in suction pouring room metals run out |
| CN113084126A (en) * | 2021-03-31 | 2021-07-09 | 哈尔滨工业大学 | Aluminum alloy antigravity filling liquid solid local loading casting-forging composite forming device and using method thereof |
| CN114226689A (en) * | 2021-12-01 | 2022-03-25 | 河北欧瑞特铝合金有限公司 | Vacuum metal mold |
-
1994
- 1994-12-03 CN CN 94246420 patent/CN2204209Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972792B (en) * | 2004-06-21 | 2011-04-06 | 有限会社尽田产业 | Mold, injection molding device, and injection molding method |
| CN100360263C (en) * | 2005-07-28 | 2008-01-09 | 中国科学院金属研究所 | Horizontal semi-continuous vacuum type suction casting furnace |
| CN101564766B (en) * | 2008-09-28 | 2011-02-02 | 福建工程学院 | Oriented time-sequence air-suction method for casting mould |
| CN101722289B (en) * | 2008-11-01 | 2011-09-28 | 吴为国 | Vacuum centrifugal casting machine |
| CN101791686B (en) * | 2008-11-01 | 2012-04-11 | 吴为国 | Vacuum pressure casting machine |
| CN102773414A (en) * | 2012-04-06 | 2012-11-14 | 北京时代锐智科贸有限公司 | No-riser casting machine |
| CN102773414B (en) * | 2012-04-06 | 2014-08-27 | 北京时代锐智科贸有限公司 | No-riser casting machine |
| CN103418772A (en) * | 2012-05-18 | 2013-12-04 | 无锡蠡湖叶轮制造有限公司 | Full-automatic multi-stage metal-mold aluminum alloy injection compression method and machine |
| CN102773461A (en) * | 2012-07-26 | 2012-11-14 | 无锡蠡湖叶轮制造有限公司 | Vacuum pressure injection furnace |
| CN104028731B (en) * | 2014-07-01 | 2016-08-17 | 马鞍山方圆动力科技有限公司 | A kind of cast aluminium devices and methods therefor of suction pouring compression solidification |
| CN104028731A (en) * | 2014-07-01 | 2014-09-10 | 马鞍山市方圆动力科技有限公司 | Aluminum casting device through vacuum suction casting compressing solidification and method thereof |
| CN106881455A (en) * | 2017-02-27 | 2017-06-23 | 宇龙计算机通信科技(深圳)有限公司 | The method and its device of a kind of vacuum low-pressure casting handset shell |
| 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 |
| CN107900311A (en) * | 2017-11-10 | 2018-04-13 | 湖北三江航天万峰科技发展有限公司 | Thin-walled nacelle monolithic molding mould and its manufacturing process |
| CN107900311B (en) * | 2017-11-10 | 2023-12-05 | 湖北三江航天万峰科技发展有限公司 | Integral forming die for thin-wall cabin and forming method thereof |
| CN109940153A (en) * | 2017-12-20 | 2019-06-28 | 科华控股股份有限公司 | A kind of apparatus that monitoring casting mold in suction pouring room metals run out |
| CN108746553A (en) * | 2018-08-23 | 2018-11-06 | 苏州沧海真空机械有限公司 | Vacuum and the compound aluminum alloy casting apparatus and its method of low pressure |
| CN113084126A (en) * | 2021-03-31 | 2021-07-09 | 哈尔滨工业大学 | Aluminum alloy antigravity filling liquid solid local loading casting-forging composite forming device and using method thereof |
| CN113084126B (en) * | 2021-03-31 | 2022-05-06 | 哈尔滨工业大学 | Aluminum alloy antigravity filling liquid solid local loading casting-forging composite forming device and using method thereof |
| CN114226689A (en) * | 2021-12-01 | 2022-03-25 | 河北欧瑞特铝合金有限公司 | Vacuum metal mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |