CN114850453A - Pressure difference impregnation equipment - Google Patents
Pressure difference impregnation equipment Download PDFInfo
- Publication number
- CN114850453A CN114850453A CN202210522387.1A CN202210522387A CN114850453A CN 114850453 A CN114850453 A CN 114850453A CN 202210522387 A CN202210522387 A CN 202210522387A CN 114850453 A CN114850453 A CN 114850453A
- Authority
- CN
- China
- Prior art keywords
- tank body
- thermal field
- pressure tank
- furnace body
- lifter
- 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.)
- Pending
Links
- 238000005470 impregnation Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 13
- 239000002184 metal Substances 0.000 abstract description 13
- 239000011148 porous material Substances 0.000 abstract description 10
- 239000012466 permeate Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005058 metal casting Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/04—Casting by dipping
-
- 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
-
- 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
- B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/005—Casting metal foams
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The invention provides an atmospheric pressure difference impregnation device, which comprises a feeding trolley, wherein a lower lifting device is arranged at the bottom of a pit, a crucible lifting device is arranged above the lower lifting device, a pressure tank body with an upper opening and a lower opening is arranged above the crucible lifting device, the pressure tank body is fixed on a frame, the top of a furnace cover is connected with a hoisting device through a connecting device, a lower furnace body thermal field is arranged inside the pressure tank body, an upper furnace body thermal field is arranged inside the pressure tank body above the lower furnace body thermal field, a mold is arranged inside the upper furnace body thermal field, and a vacuum device is arranged on the frame on one side of the pressure tank body; through setting up the mould that can carry out the evacuation and the crucible of liftable, metal melting back, the crucible rises, makes in the stalk inserts molten metal, and mould inside and furnace body are inside isolated, then lets in gas to the stove, makes molten metal through the pressure differential by the mould inside and permeate into the porous material in the mould, guaranteed subsequent shaping effect.
Description
Technical Field
The invention relates to impregnation equipment, in particular to air pressure difference impregnation equipment.
Background
The metal casting is a technological process of smelting metal into liquid meeting certain requirements, pouring the liquid into a mold, cooling, solidifying and cleaning to obtain a casting with a preset shape, size and performance. The method is a basic process of the modern mechanical manufacturing industry, and the existing metal casting is generally to directly pour liquid into a mold in the casting process of containing porous materials in the mold, cannot ensure whether the liquid in the mold is completely pressed into the mold and permeates into the porous materials in the mold, influences the subsequent forming effect, and does not meet the requirement on material compactness.
Disclosure of Invention
The invention provides air pressure difference impregnation equipment, which solves the problems that in the existing metal casting process of containing a porous material in a mold, liquid is usually directly poured into the mold, whether the liquid in the mold is completely pressed into the porous material in the mold and permeates into the porous material in the mold can not be ensured, the subsequent forming effect is influenced, and the compactness of the material can not meet the requirement.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides an atmospheric pressure differential impregnation device, which comprises a pit, wherein the bottom of the pit is provided with a track, the track is provided with a feeding trolley capable of feeding and discharging a crucible, the bottom of the pit is provided with a lower lifting device with a lower furnace cover, the upper part of the lower lifting device is provided with a crucible lifting device, the upper part of the crucible lifting device is provided with a pressure tank body with an upper opening and a lower opening, the pressure tank body is fixed on the pit, the top and the bottom of the pressure tank body are respectively connected with the lower furnace cover and the furnace cover in a buckling manner, the top of the furnace cover is connected with a hoisting device through a connecting device, the inside of the pressure tank body is provided with a lower furnace body thermal field, the inside of the pressure tank body above the lower furnace body thermal field is provided with an upper furnace body thermal field, the inside of the upper furnace body thermal field is provided with a mold placing frame, a mold is placed on the mold placing frame, one side of the pressure tank body is provided with a vacuum device, the mould and the pressure tank body are connected with a vacuum device through a pipeline, one side of the pressure tank body is provided with an air charging and discharging device, one side of the air charging and discharging device is provided with an electric control cabinet, the electric control cabinet is placed on the platform, and the bottom of the platform is fixed on the ground.
Preferably, the lower lifting device comprises a lifter, the top of the lifter is connected with a lower furnace cover, the lifter is connected with a motor through a steering box and a coupler, and the top of the lifter is provided with a proximity switch.
Preferably, the pressure tank body is of a double-layer structure, a water inlet hole is formed in the end face of the pressure tank body, and the water inlet hole is connected with the electromagnetic valve through a pipeline to circulate cooling water. Through water cooling in the interlayer, the sealing of the tank body can be effectively protected, the temperature of the tank body can be reduced, and the tank body can have enough strength.
Preferably, the hoisting device comprises a second elevator, the bottom of the second elevator is connected with the furnace cover, the second elevator is connected with a second motor through a transmission mechanism, and a second proximity switch is arranged at the bottom of the second elevator.
Preferably, the bottom of the mould is provided with a liquid lifting pipe, and the other part of the mould except the liquid lifting pipe part is a sealing structure.
Preferably, thermocouples are arranged inside the upper furnace body thermal field and the lower furnace body thermal field and are connected with the electric control cabinet through electric wires.
Preferably, the vacuum device comprises a vacuum pump, the vacuum pump is connected with a corrugated pipe through a vacuum valve, one end of the corrugated pipe is connected with a vacuum pipeline, the vacuum pipeline is a four-way pipeline, one end of the four-way pipeline is connected with a vacuum gauge pipe, one end of the four-way pipeline is connected with a safety valve, one end of the four-way pipeline is connected with a pressure ball valve, and one end of the pressure ball valve is connected with a pressure tank body.
Preferably, the upper furnace body thermal field and the lower furnace body thermal field are consistent in structure, and the upper furnace body thermal field is composed of aluminum oxide and a resistance band.
Through the technical scheme, the invention has the beneficial effects that: through setting up the mould that can carry out the evacuation and the crucible of liftable, metal melting back, the crucible rises, makes in the stalk inserts molten metal, and mould inside and furnace body are inside isolated, then lets in gas to the stove, makes molten metal through the pressure differential by the mould inside and permeate into the porous material in the mould, guaranteed subsequent shaping effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure 1, a feeding trolley; 2. a lower lifting device; 3. a crucible lifting device; 4. a pressure tank body; 5. a lower furnace body thermal field; 6. a crucible; 7. a mold; 8. an upper furnace body thermal field; 9. a thermocouple; 10. an air charging and discharging device; 11. hoisting the device; 12. an electric control cabinet; 13. a vacuum device; 14. a platform.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to the figure, the atmospheric pressure difference impregnation equipment comprises a pit, wherein a track is arranged at the bottom of the pit, a feeding trolley 1 capable of feeding and discharging a crucible is arranged on the track, a lower lifting device 2 with a lower furnace cover is arranged at the bottom of a rack, a crucible lifting device 3 is arranged above the lower lifting device 2, a pressure tank body 4 with an upper opening and a lower opening is arranged above the crucible lifting device 3, the pressure tank body 4 is fixed on the rack, the top and the bottom of the pressure tank body are respectively connected with the lower furnace cover and the furnace cover in a buckling manner, the top of the furnace cover is connected with a hoisting device 11 through a connecting device, a lower furnace body thermal field 5 is arranged inside the pressure tank body 4 above the lower furnace body thermal field 5, an upper furnace body thermal field 8 is arranged inside the upper furnace body thermal field 8, a mold placing rack is arranged on the mold placing rack, and a mold 7 is placed on the mold placing rack, the vacuum device 13 is arranged on the rack on one side of the pressure tank body 4, the pressure tank body is connected with the vacuum device 13 through a pipeline, the air charging and discharging device 10 is arranged on one side of the pressure tank body 4, the electric control cabinet 12 is arranged on one side of the air charging and discharging device 10, the electric control cabinet is placed on the platform 14, and the bottom of the platform 14 is fixed on the ground.
The lower lifting device 2 comprises a lifter, the top of the lifter is connected with a lower furnace cover, the lifter is connected with a motor through a steering box and a coupler, and the top of the lifter is provided with a proximity switch.
The pressure tank body 4 is of a double-layer structure, a water inlet hole is formed in the end face of the pressure tank body 4, and the water inlet hole is connected with a tap water pipe through a pipeline and an electromagnetic valve. Through water cooling in the interlayer, the sealing of the tank body can be effectively protected, the temperature of the tank body can be reduced, and the tank body can have enough strength.
The lifting device 11 comprises a second lifter, the bottom of the second lifter is connected with the furnace cover, the second lifter is connected with a second motor through a transmission mechanism, and a second proximity switch is arranged at the bottom of the second lifter.
The bottom of the mould 7 is provided with a liquid lifting pipe, and the other parts of the mould except the lifting pipe part are all sealing structures.
Thermocouples are arranged in the upper furnace body thermal field 8 and the lower furnace body thermal field 5, and the thermocouples 9 are connected with an electric control cabinet 12 through electric wires.
The vacuum device 13 comprises a vacuum pump, the vacuum pump is connected with a corrugated pipe through a vacuum valve, one end of the corrugated pipe is connected with a vacuum pipeline, the vacuum pipeline is a four-way pipeline, one end of the four-way pipeline is connected with a vacuum gauge pipe, one end of the four-way pipeline is connected with a safety valve, one end of the four-way pipeline is connected with a pressure ball valve, and one end of the pressure ball valve is connected with a pressure tank body.
The upper furnace body thermal field and the lower furnace body thermal field 8 have the same structure as the thermal field 5, and the upper furnace body thermal field 8 consists of alumina and a resistance band
When the crucible lifting device is used specifically, the crucible 6 is fed onto the crucible lifting device 3 through the feeding trolley 1. Then, the lower lifting device 2 can lower or raise the components including the lower furnace cover, the crucible lifting device and the like together to enable the crucible to enter the lower furnace body thermal field 5, when the crucible 6 is heated in the lower furnace body thermal field 5, the metal in the crucible 6 can be melted, then the crucible is lifted by the crucible lifting device 3, so that the riser tube positioned below the mould 7 in the upper furnace body thermal field 8 is inserted into the molten metal (the mould is filled with porous material and is completely sealed, only the lower riser tube can be communicated with the outside, the riser tube is positioned above the metal during vacuumizing, the gas in the mould is pumped away, and the interior of the mould is kept in a vacuum state), then gas is introduced into the pressure tank body 4, so that the molten metal is pressed into the mold through pressure difference and permeates into the porous material in the mold, and continuously introducing gas to ensure that the pressure in the pressure tank body 4 reaches 9.8MPa, so that the molten metal completely permeates into the porous material. The upper furnace body thermal field 8 has the working temperature of 700 ℃, and the die and the material can be kept at the set temperature through heating, so that the molten metal can completely enter the material in the die 7 and can not be cooled and blocked in a half way.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A differential air pressure impregnation apparatus, characterized by: the crucible furnace comprises a pit, wherein a track is arranged at the bottom of the pit, a feeding trolley capable of feeding and discharging a crucible is arranged on the track, a lower lifting device with a lower furnace cover is arranged at the bottom of the pit, a crucible lifting device is arranged above the lower lifting device, a pressure tank body with an upper opening and a lower opening is arranged above the crucible lifting device, the pressure tank body is fixed on the pit, the top and the bottom of the pressure tank body are respectively connected with the lower furnace cover and the furnace cover in a buckling manner, the top of the furnace cover is connected with a hoisting device through a connecting device, a lower furnace body thermal field is arranged inside the pressure tank body above the lower furnace body thermal field, an upper furnace body thermal field is arranged inside the upper furnace body thermal field, a mold placing frame is arranged inside the upper furnace body thermal field, a mold is placed on the mold placing frame, a vacuum device is arranged on one side of the pressure tank body, and the mold and the pressure tank body are connected with the vacuum device through a pipeline, one side of the pressure tank body is provided with an air charging and discharging device, one side of the air charging and discharging device is provided with an electric control cabinet, the electric control cabinet is placed on the platform, and the bottom of the platform is fixed on the ground.
2. A differential air pressure impregnation apparatus as claimed in claim 1, wherein: the lower lifting device comprises a lifter, the top of the lifter is connected with a lower furnace cover, the lifter is connected with a motor through a steering box and a coupler, and the top of the lifter is provided with a proximity switch.
3. A differential air pressure impregnation apparatus as claimed in claim 1, wherein: the pressure tank body is of a double-layer structure, a water inlet hole is formed in the end face of the pressure tank body, and the water inlet hole is connected with the electromagnetic valve through a pipeline to circulate cooling water.
4. A differential air pressure impregnation apparatus as claimed in claim 1, wherein: the lifting device comprises a second lifter, the bottom of the second lifter can lift the furnace cover and the die, the second lifter is connected with a second motor through a transmission mechanism, and a second proximity switch is arranged at the bottom of the second lifter.
5. A differential air pressure impregnation apparatus as claimed in claim 1, wherein: the bottom of the mould is provided with a liquid lifting pipe, and other parts of the mould except the liquid lifting pipe part are all sealing structures.
6. A differential air pressure impregnation apparatus as claimed in claim 1, wherein: thermocouples are arranged inside the upper furnace body thermal field and the lower furnace body thermal field and are connected with the electric control cabinet through electric wires.
7. A differential air pressure impregnation apparatus as claimed in claim 1, wherein: the vacuum device comprises a vacuum pump, the vacuum pump is connected with a corrugated pipe through a vacuum valve, one end of the corrugated pipe is connected with a vacuum pipeline, the vacuum pipeline is a four-way pipeline, one end of the four-way pipeline is connected with a vacuum gauge pipe, one end of the four-way pipeline is connected with a safety valve, one end of the four-way pipeline is connected with a pressure ball valve, and one end of the pressure ball valve is connected with a pressure tank body.
8. A differential air pressure impregnation apparatus as claimed in claim 1, wherein: the upper furnace body thermal field and the lower furnace body thermal field are consistent in structure, and the upper furnace body thermal field is composed of aluminum oxide and a resistance band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210522387.1A CN114850453A (en) | 2022-05-13 | 2022-05-13 | Pressure difference impregnation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210522387.1A CN114850453A (en) | 2022-05-13 | 2022-05-13 | Pressure difference impregnation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114850453A true CN114850453A (en) | 2022-08-05 |
Family
ID=82637236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210522387.1A Pending CN114850453A (en) | 2022-05-13 | 2022-05-13 | Pressure difference impregnation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114850453A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171312A (en) * | 1996-03-01 | 1998-01-28 | Ald真空技术股份有限公司 | Method and device for smelting metal and pouring molten metal into casting mould |
| CN101347836A (en) * | 2008-08-29 | 2009-01-21 | 厦门钨业股份有限公司 | Vacuum induction smelting furnance |
| CN104703726A (en) * | 2012-09-28 | 2015-06-10 | Ati资产公司 | Continuous casting of materials using pressure differential |
| CN105935760A (en) * | 2016-03-09 | 2016-09-14 | 南京龙超金属制造科技有限公司 | Vacuum degassing device for metal-mould low-pressure casting and metal-mould low-pressure casting technique |
| CN108296469A (en) * | 2018-01-22 | 2018-07-20 | 繁昌县琪鑫铸造有限公司 | A kind of counter-pressure casting machine |
| CN209867323U (en) * | 2019-05-20 | 2019-12-31 | 南京南超模具装备有限公司 | Antigravity casting mechanism for large magnesium alloy spaceflight cabin section |
| US20200038942A1 (en) * | 2017-10-27 | 2020-02-06 | United Technologies Corporation | Countergravity Casting Apparatus and Desulfurization Methods |
| CN114226691A (en) * | 2021-12-09 | 2022-03-25 | 松山湖材料实验室 | Metal-based ceramic composite material and preparation method thereof |
-
2022
- 2022-05-13 CN CN202210522387.1A patent/CN114850453A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171312A (en) * | 1996-03-01 | 1998-01-28 | Ald真空技术股份有限公司 | Method and device for smelting metal and pouring molten metal into casting mould |
| CN101347836A (en) * | 2008-08-29 | 2009-01-21 | 厦门钨业股份有限公司 | Vacuum induction smelting furnance |
| CN104703726A (en) * | 2012-09-28 | 2015-06-10 | Ati资产公司 | Continuous casting of materials using pressure differential |
| CN105935760A (en) * | 2016-03-09 | 2016-09-14 | 南京龙超金属制造科技有限公司 | Vacuum degassing device for metal-mould low-pressure casting and metal-mould low-pressure casting technique |
| US20200038942A1 (en) * | 2017-10-27 | 2020-02-06 | United Technologies Corporation | Countergravity Casting Apparatus and Desulfurization Methods |
| CN108296469A (en) * | 2018-01-22 | 2018-07-20 | 繁昌县琪鑫铸造有限公司 | A kind of counter-pressure casting machine |
| CN209867323U (en) * | 2019-05-20 | 2019-12-31 | 南京南超模具装备有限公司 | Antigravity casting mechanism for large magnesium alloy spaceflight cabin section |
| CN114226691A (en) * | 2021-12-09 | 2022-03-25 | 松山湖材料实验室 | Metal-based ceramic composite material and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 226000 Plant 1, Jufeng Scientific Innovation Industrial Park, west of Jinding Road, south of Xingyuan West Road, Jinxin Street, Tongzhou District, Nantong City, Jiangsu Province Applicant after: Jiangsu Haoyue Vacuum Equipment Co.,Ltd. Address before: 201800 No.49, Xiejing 1st Road, Anting Town, Jiading District, Shanghai Applicant before: SHANGHAI HAOYUE ELECTRIC TECHNOLOGY CO.,LTD. |