CN210359181U - Cylinder die-casting device - Google Patents
Cylinder die-casting device Download PDFInfo
- Publication number
- CN210359181U CN210359181U CN201920279555.2U CN201920279555U CN210359181U CN 210359181 U CN210359181 U CN 210359181U CN 201920279555 U CN201920279555 U CN 201920279555U CN 210359181 U CN210359181 U CN 210359181U
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- China
- Prior art keywords
- air
- bell jar
- die
- casting
- furnace
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- 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.)
- Expired - Fee Related
Links
- 238000004512 die casting Methods 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 61
- 238000005266 casting Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims description 28
- 238000003723 Smelting Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 241001062472 Stokellia anisodon Species 0.000 claims description 6
- 238000010924 continuous production Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 150000002978 peroxides Chemical class 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses cylinder die-casting device relates to the metal material shaping, characterized by: the inner part of the bell jar is provided with a casting and a die, the bell jar provided with the casting and the die is used as a cylinder barrel, the sleeved furnace body is combined into a gas cylinder, and the furnace body is a gas piston compressed air pushing metal liquid in the furnace and is rapidly filled into the die to form the casting; an air flue is formed at the lower part of the furnace mouth and communicated with a cold air channel, an air inlet valve is installed at the lower part of the cold air channel, the air inlet valve is opened to input cooling air to take away heat in the cold air channel, a heating element is arranged in the cold air channel and wraps a furnace lining, metal in the furnace lining is melted or regulated by the heating element to keep a proper temperature, and a casting in a forming mold is cast when the temperature is proper; the mouth of the bell jar is provided with a seal, the seal arranged on the mouth of the bell jar drops to the initial position, the lower opening of a riser tube which is in fluid communication with the lower part of the die reaches below the metal liquid level, the seal is effective, at the moment, a pressure relief valve is closed, and an air inlet valve changes the input of cooling air into the delivery quantity of pressure maintaining gas.
Description
Technical Field
The invention relates to metal material forming, in particular to die casting forming.
Background
The existing device and mould for casting light, thin, long and ultra-small castings have the problem that the casting molding is difficult due to the fact that small heat capacity is small and temperature drop is too fast. The existing die casting is fastest in mold filling theoretically, but various problems also exist in die casting of light, thin, long and ultra-small castings, and the process flow equipment comprises the following steps: a melting furnace, a die-casting holding furnace, a press, an air compressor, a compressed air distribution and other electromechanical integrated control systems, complex pipeline circuits and the like. Is only suitable for large-scale industrialized production. Even if the production quantity is still less, the electromechanical integrated control systems such as a melting furnace, a die-casting holding furnace, a press, an air compressor, compressed air distribution and the like, and complicated pipeline circuits and the like cannot be reduced. Therefore, it is also not suitable for experimental property or small-batch casting formation. China manufacturing, China creation, China 2025 need a large amount of experiments, tests, and has unclear requirements for small-batch castings of tiny and special shapes. Therefore, there is a need for an apparatus that is adaptable to casting small, exotic, small batches of castings.
Disclosure of Invention
The invention aims at the problem, and provides a cylinder die-casting device, which is provided with a body and comprises: bell jar, foundry goods, mould, stove, characterized by: the inner part of the bell jar is provided with a casting and a die, the bell jar provided with the casting and the die is used as a cylinder barrel, the sleeved furnace is combined into a gas cylinder, the furnace is a gas-compressing piston compressed air pushing metal liquid in the furnace, and the metal liquid is rapidly filled into the die through a liquid lifting pipe to cool and form the casting; an air flue is formed at the lower part of the furnace mouth and communicated with a cold air channel, an air inlet valve is installed at the lower part of the cold air channel, the air inlet valve is opened to input cooling air to take away heat in the cold air channel, a heating element is arranged in the cold air channel and wraps a furnace lining, metal in the furnace lining is melted or regulated by the heating element to keep proper temperature, a casting in a forming mold is cast when the temperature is proper, the mold for casting and forming the casting is provided with a seal and connected with a bell jar, the upper part of the mold connected with the bell jar is provided with a lock nut to press and seal the bell jar, and the upper section of the sealed mold; the bell jar is provided with a pressure relief valve, the opening part of the bell jar with the pressure relief valve is provided with a seal, the seal arranged at the opening part of the bell jar descends to an initial position, the lower opening of a riser pipe which is in fluid communication with the lower part of the die reaches the position below the metal liquid level, the seal is effective, the pressure relief valve is closed at the moment, and the air inlet valve is changed into the compressed air conveying capacity for keeping the pressure from the input of cooling air; the bell jar carries the mould falling body to continue descending, the air in the bell jar begins to be boosted, the pressure of the boosted air pressure pushes the molten metal to rapidly fill the mould, the molten metal fills the mould, the air in the mould is exhausted by the air holes arranged on the upper section of the mould, the pressure in the bell jar is maintained by the flow of the pressure maintaining air after the molten metal is filled in the mould, after the molten metal in the mould is solidified, the pressure relief valve is rapidly opened to raise the bell jar, the air inlet valve is returned to input cooling air to carry away the heat in the cold air duct, the molten metal or the molten metal is supplemented in the furnace, and the continuous production operation of the process is repeated.
The bell jar is provided with a counterweight cabin, and a counterweight is arranged in the counterweight cabin.
The furnace adopts gas to heat and melt or smelt metal, one section of a gas pipe and a combustion-supporting gas pipe of the furnace is connected to a combustion chamber in a smelting cover, the gas and the combustion-supporting gas in the combustion chamber are rich in gas and reducing atmosphere to burn and melt or smelt the metal, flame tail gas generated by burning the reducing atmosphere enters a secondary combustion chamber from a fire outlet, a secondary combustion-supporting air port of a secondary combustion-supporting air duct is arranged in the secondary combustion chamber, secondary combustion-supporting air is output from the secondary combustion-supporting air port to be mixed with the reducing flame tail gas in the secondary combustion chamber to be subjected to superoxidation high-temperature combustion, and combustion heat is conducted into molten; tail gas of the peroxide high-temperature combustion enters a heat exchanger through a pipeline at the bottom of the crucible, the heat exchanger preheats secondary combustion-supporting air entering the heat exchanger from a secondary combustion-supporting air inlet, and the combustion tail gas after the secondary combustion-supporting air is preheated is conveyed to a roaster baking die through a hot air pipe; when the temperature of the molten or smelted metal is proper, simultaneously removing the smelting cover, the roaster and the heat exchanger, covering a sealing cover on a sealing section, moving the mould carried by the bell jar to a set seal to descend to an initial position, enabling a lower opening of a riser pipe in fluid communication with the lower part of the mould to reach the position below the liquid level of the metal, enabling the seal to be effective, closing the pressure relief valve, and inputting the conveying amount of compressed gas with maintained pressure by the air inlet valve; the bell jar carries the mould to descend, the air in the bell jar begins to boost, the pressure of the boosted air pressure pushes the molten metal to rapidly fill the mould, the molten metal fills the mould, the air in the mould is discharged from the air holes arranged on the upper section of the mould, the pressure in the bell jar is maintained by the flow of the pressure maintaining air after the molten metal is filled in the mould, the pressure is maintained until the molten metal in the mould is solidified, the pressure relief valve is rapidly opened to lift the bell jar, the molten metal or the molten metal is supplemented in the furnace, and the continuous production operation of the process is repeated.
Advantageous effects
The single-stroke cylinder die-casting device combining the furnace and the bell jar simplifies electromechanical integrated control systems and complicated pipeline circuits of a melting furnace, a die-casting heat preservation furnace, a press, an air compressor, compressed air distribution and the like. The cylinder compression pressure-increasing speed of the single-punching cylinder combination is high, the unhooking descent technology is adopted, theoretically, the acceleration of the free falling body can be approximate to 9.8 m/s, and the liquid mold filling speed approximately lags behind the free falling body for a short time. Has the advantages of obvious and quick speed, and is suitable for casting small, fine, light, thin, slender and pointed castings. The experiment of entrepreneurship innovation can be met, and the production, manufacturing and operation of small-batch and small-scale die-casting parts can be compatible in trial production.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of a cylinder die casting apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view of another embodiment of step 1 of FIG. 1;
FIG. 3 is a schematic cross-sectional view of step 2 of the embodiment of FIG. 2.
In the drawings. 1 nut 2 mould 3 casting 4 pressure release valve 5 bell jar 6 fire door 7 air flue 8 starting position 9 cold air flue 10 stove 11 riser 12 counter weight storehouse 13 liquid level 14 sealed 15 heating element 16 air inlet valve 20 gas pipe 21 combustion-supporting gas pipe 22 smelting cover 23 combustion chamber 24 fire outlet 25 secondary combustion-supporting air port 26 secondary combustion-supporting air flue 27 secondary combustion-supporting air chamber 28 sealing section 29 heat exchanger 30 secondary combustion-supporting air inlet 31 roaster 32 hot air pipe 33 sealing cover 33 roaster
Detailed Description
Reference will now be made in further detail to the accompanying drawings, of which fig. 1-3 are a general idea of the invention.
FIG. 1 shows that a casting 3 and a mold 2 are arranged in a bell jar 5, the bell jar 5 provided with the casting 3 and the mold 2 is used as a cylinder barrel, a packing furnace 10 is combined into a gas cylinder, the furnace 10 is a gas compressing piston for compressing air to push molten metal in the furnace, and the molten metal is rapidly filled into the mold 2 through a riser tube 11 to cool and form the casting 3; an air flue 7 is formed at the lower part of the furnace mouth 6, the air flue 7 is communicated with a cold air channel 9, an air inlet valve 16 is installed at the lower part of the cold air channel 9, the air inlet valve 16 is opened to input cooling air to take away heat in the cold air channel 9, a heating element 15 is arranged in the cold air channel 9, the heating element 15 wraps a furnace lining, metal in the furnace lining is melted or regulated by the heating element 15 to keep a proper temperature, a casting 3 in a casting forming mold 2 is cast at a proper temperature, the mold 2 for casting forming the casting 3 is provided with a seal to be connected with a bell jar 5, the upper part of the mold 2 connected with the bell jar 5 is provided with a lock nut 1 to press and tightly fit with the bell jar; the bell jar 5 is provided with a pressure relief valve 4, the opening part of the bell jar 5 with the pressure relief valve 4 is provided with a seal 14, the seal 14 arranged at the opening part of the bell jar 5 descends to an initial position 8, the lower opening of a riser pipe 11 which is in fluid communication with the lower part of the die 2 reaches below a metal liquid level 13, the seal 14 is effective, the pressure relief valve 4 is closed, and an air inlet valve 16 also changes the input cooling air into a compressed gas conveying amount for keeping the pressure; the bell jar 5 carries the die 2 to fall continuously, the air in the bell jar 5 begins to be boosted, the pressure of the boosted air pressure pushes the metal liquid to rapidly fill the die 2, the metal liquid fills the die 2, the gas in the die 2 is discharged through the air holes arranged at the upper section of the die 2, the pressure in the bell jar 5 is maintained by the pressure maintaining air flow after the metal liquid is filled in the die 2, the pressure relief valve 4 is rapidly opened to raise the bell jar 5 after the metal liquid in the die 2 is solidified, the air inlet valve 16 is returned to input cooling air to bring away the heat in the cold air duct 9, the metal liquid or the metal material is supplemented in the furnace, and the production operation of the process is repeated.
The bell jar 5 is provided with a counterweight cabin 12, and a counterweight is arranged in the counterweight cabin 12.
As shown in the attached figures 2-3, the furnace adopts gas to heat and melt or smelt metal, a section of a gas pipe 20 and a combustion-supporting gas pipe 21 of the furnace is connected to a combustion chamber 23 in a smelting cover 22, the gas in the combustion chamber 23 and combustion-supporting gas rich gas reducing atmosphere are combusted to melt or smelt the metal, flame tail gas generated by combusting the reducing atmosphere enters a secondary combustion chamber 27 through a fire outlet 24, a secondary combustion-supporting air port 25 of a secondary combustion-supporting air duct 26 is arranged in the secondary combustion chamber 27, secondary combustion-supporting air is output from the secondary combustion-supporting air port 25 and is mixed with the reducing flame tail gas in the secondary combustion chamber 27 to be subjected to superoxidation high-temperature combustion, and combustion heat is conducted to metal liquid through a crucible; tail gas of the peroxide high-temperature combustion enters a heat exchanger 29 at the bottom of the crucible through a pipeline, the heat exchanger 29 preheats secondary combustion-supporting air entering the heat exchanger 29 from a secondary combustion-supporting air inlet 30, and the combustion tail gas after the secondary combustion-supporting air is preheated is conveyed to a roaster 31 through a hot air pipe 32 to bake the mould 2; when the melting or smelting metal temperature is proper, the smelting cover 22, the roaster 31 and the heat exchanger 29 are removed simultaneously, the sealing cover 33 is covered on the sealing section 28, the bell jar 5 carries the mould 2 to move to the arranged seal 14 to descend to the initial position 8, the lower opening of the riser pipe 11 in fluid communication with the lower part of the mould 2 reaches the position below the metal liquid level 13, the seal 14 is effective, at the moment, the pressure relief valve 4 is closed, and the air inlet valve 16 inputs the compressed gas conveying amount keeping the pressure; the bell jar 5 carries the mould 2 to descend, the air in the bell jar 5 begins to be boosted, the pressure of the boosted air pressure pushes the molten metal to rapidly fill the mould 2, the molten metal fills the mould 2, the air in the mould 2 is exhausted from the air holes arranged at the upper section of the mould 2, the pressure in the bell jar 5 is maintained by the flow of the pressure maintaining air after the molten metal is filled in the mould 2, the pressure is maintained until the molten metal in the mould 2 is solidified, the pressure relief valve 4 is rapidly opened to raise the bell jar 5, the molten metal or the metal material is supplemented in the furnace, and the continuous production operation of the process is repeated.
Claims (3)
1. A cylinder die casting apparatus having a body comprising: bell jar, foundry goods, mould, stove, characterized by: the casting (3) and the die (2) are arranged in the bell jar (5), the bell jar (5) provided with the casting (3) and the die (2) is used as a cylinder barrel to sleeve a furnace (10) to be combined into a gas cylinder, the furnace (10) is used for compressing air and compressing air to push molten metal in the furnace, and the molten metal is rapidly filled into the die (2) through a liquid lifting pipe (11) to cool and form the casting (3); an air flue (7) is formed at the lower part of the furnace mouth (6), the air flue (7) is communicated with a cold air duct (9), an air inlet valve (16) is installed at the lower part of the cold air duct (9), the air inlet valve (16) is opened to input cooling air to take away heat in the cold air duct (9), a heating element (15) is arranged in the cold air duct (9), the heating element (15) wraps a furnace lining, metal in the furnace lining is melted or adjusted by the heating element (15) to keep a proper temperature, a casting (3) in the casting forming mold (2) is cast at a proper temperature, the mold (2) cast and formed by the casting (3) is provided with a seal and connected with a bell jar (5), a lock nut (1) is arranged at the upper part of the mold (2) connected with the bell jar (5) to press and tightly fit with the bell jar (5), and an air; the bell jar (5) is provided with a pressure relief valve (4), the opening part of the bell jar (5) with the pressure relief valve (4) is provided with a seal (14), the seal (14) arranged at the opening part of the bell jar (5) descends to an initial position (8), the lower opening of a riser pipe (11) which is in fluid communication with the lower part of the die (2) reaches the position below a metal liquid level (13), the seal (14) is effective, at the moment, the pressure relief valve (4) is closed, and an air inlet valve (16) is changed into a compressed gas conveying amount for maintaining pressure from input cooling air; the bell jar (5) carries the falling body of the mould (2) to continue descending, the air in the bell jar (5) begins to be boosted, the pressure of the boosted air pressure pushes the molten metal to rapidly fill the mould (2), the molten metal fills the mould (2), the gas in the mould (2) is exhausted through the air holes arranged at the upper section of the mould (2), the pressure in the bell jar (5) is maintained by the pressure maintaining air flow after the molten metal is filled in the mould (2), the pressure relief valve (4) is rapidly opened to raise the bell jar (5) after the molten metal in the mould (2) is solidified, the air inlet valve (16) is restored to input cooling air to take away the heat in the cooling air duct (9), the molten metal or metal material is supplemented in the furnace, and the continuous production operation of the process is repeated.
2. The cylinder die-casting device according to claim 1, characterized in that: the bell jar (5) is provided with a counterweight bin (12), and a counterweight is arranged in the counterweight bin (12).
3. The cylinder die-casting device according to claim 1, characterized in that: the furnace adopts gas to heat and melt or smelt metal, one section of a gas pipe (20) and a combustion-supporting gas pipe (21) of the furnace is connected to a combustion chamber (23) in a smelting cover (22), the gas and combustion-supporting gas in the combustion chamber (23) are burnt in a fuel-rich reducing atmosphere to melt or smelt the metal, flame tail gas in the reducing atmosphere is burnt to enter a secondary combustion chamber (27) through a fire outlet (24), a secondary combustion-supporting air port (25) of a secondary combustion-supporting air duct (26) is arranged in the secondary combustion chamber (27), secondary combustion-supporting air is output by the secondary combustion-supporting air port (25) to be mixed with the reducing flame tail gas in the secondary combustion chamber (27) to be subjected to peroxide high-temperature combustion, and combustion heat is conducted into the metal liquid through; tail gas of the peroxide high-temperature combustion enters a heat exchanger (29) at the bottom of the crucible through a pipeline, the heat exchanger (29) preheats secondary combustion-supporting air entering the heat exchanger (29) from a secondary combustion-supporting air inlet (30), and the tail gas of the combustion after preheating the secondary combustion-supporting air is conveyed to a roaster (31) to bake the mould (2) through a hot air pipe (32); when the temperature for melting or smelting metal is proper, simultaneously removing a smelting cover (22), a roaster (31) and a heat exchanger (29), covering a sealing cover (33) on a sealing section (28), moving a bell jar (5) with a mold (2) to a set seal (14) to descend to an initial position (8), enabling a lower opening of a riser pipe (11) in fluid communication with the lower part of the mold (2) to reach a position below the metal liquid level (13), enabling the seal (14) to be effective, closing a pressure relief valve (4), and inputting a compressed gas conveying amount for keeping pressure by an air inlet valve (16); the bell jar (5) is descended with the die (2), the air in the bell jar (5) begins to be boosted, the pressure of the boosted air pressure pushes the molten metal to rapidly fill the die (2), the molten metal fills the die (2), the air in the die (2) is exhausted from the air holes arranged at the upper section of the die (2), the pressure in the bell jar (5) is maintained by the flow of the pressure maintaining air after the molten metal is filled in the die (2), the pressure is maintained until the molten metal in the die (2) is solidified, the pressure relief valve (4) is rapidly opened to raise the bell jar (5), the molten metal or metal material is supplemented in the furnace, and the continuous production operation of the process is repeated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191949 | 2018-03-08 | ||
| CN2018101919492 | 2018-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210359181U true CN210359181U (en) | 2020-04-21 |
Family
ID=66266215
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910166687.9A Withdrawn CN109702169A (en) | 2018-03-08 | 2019-03-06 | Cylinder die casting equipment |
| CN201920279555.2U Expired - Fee Related CN210359181U (en) | 2018-03-08 | 2019-03-06 | Cylinder die-casting device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910166687.9A Withdrawn CN109702169A (en) | 2018-03-08 | 2019-03-06 | Cylinder die casting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109702169A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702169A (en) * | 2018-03-08 | 2019-05-03 | 边仁杰 | Cylinder die casting equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2576685B2 (en) * | 1990-11-19 | 1997-01-29 | 大同特殊鋼株式会社 | Precision casting equipment |
| JP3125466B2 (en) * | 1992-10-05 | 2001-01-15 | 大同特殊鋼株式会社 | Metal precision casting method and precision casting equipment |
| JPH07116820A (en) * | 1993-10-19 | 1995-05-09 | Daido Steel Co Ltd | Suction casting method and apparatus thereof |
| CN104070155B (en) * | 2014-07-10 | 2018-12-18 | 武安市飞翔金属制品有限公司 | Barrel cage baking heat exchange lid |
| CN109702169A (en) * | 2018-03-08 | 2019-05-03 | 边仁杰 | Cylinder die casting equipment |
-
2019
- 2019-03-06 CN CN201910166687.9A patent/CN109702169A/en not_active Withdrawn
- 2019-03-06 CN CN201920279555.2U patent/CN210359181U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702169A (en) * | 2018-03-08 | 2019-05-03 | 边仁杰 | Cylinder die casting equipment |
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| Publication number | Publication date |
|---|---|
| CN109702169A (en) | 2019-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |