CN106424681A - Vacuum casting equipment - Google Patents
Vacuum casting equipment Download PDFInfo
- Publication number
- CN106424681A CN106424681A CN201610995367.0A CN201610995367A CN106424681A CN 106424681 A CN106424681 A CN 106424681A CN 201610995367 A CN201610995367 A CN 201610995367A CN 106424681 A CN106424681 A CN 106424681A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- sealed compartment
- vehicle frame
- frame
- rotating disk
- 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.)
- Granted
Links
- 238000005266 casting Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000000740 bleeding effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/15—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses vacuum casting equipment which comprises a sealed cabin, a guide rail trolley and a casting truck, wherein the sealed cabin is connected with a vacuum-pumping device; one end of the sealed cabin is an open end; a sealing door is arranged at the open end of the sealed cabin; a first guide rail which extends into the open end is horizontally arranged in the sealed cabin; the guide rail trolley comprises a guide rail frame; wheels are arranged on the bottom of the guide rail frame; a second guide rail is horizontally arranged on the top of the guide rail frame; one end of the second guide rail is opposite to the open end of the sealed cabin; the casting truck is equipped with a frame; a casting device is arranged on the frame; roller wheels are arranged on the bottom of the frame; wheel surfaces of the roller wheels are matched with the first guide rail and the second guide rail; a drive motor is further arranged on the frame; and the roller wheels are in transmission connection with the main shaft of the drive motor. According to the technical scheme adopted by the invention, the vacuum casting equipment has the advantages of being simple in structure, easy in operation, relatively low in manufacturing cost and the like.
Description
Technical field
The invention belongs to processing technique equipment field, especially relates to a kind of vacuum casting apparatus.
Background technology
Vacuum pouring can be avoided shell and air contact, pour into a mould as the important processing technique during formed product
Oxidation reaction will not occur in journey, the product quality of molding is uniform, bubble is few, and percent defective is relatively low, processes in precision pouring at present
Field has been obtained for being widely applied.But, the existing vacuum casting apparatus for using, most complex structure, involve great expense, make
With relatively costly.
Content of the invention
It is an object of the invention to provide a kind of vacuum casting apparatus, solve the structure of existing vacuum casting apparatus presence
Complexity, involves great expense and problem that use cost is higher.
In order to achieve the above object, the present invention is employed the following technical solutions and is solved.
A kind of vacuum casting apparatus, it is characterised in that include：Sealed compartment, guide rail car and pouring truck, connect on the sealed compartment
Vacuum extractor is connected to, one end of the sealed compartment is opening, and the opening of the sealed compartment is provided with hermatic door, described close
Being horizontally disposed with batten down has the first guide rail, and first guide rail stretches to the opening；The guide rail car includes guide rail bracket, described
The bottom of guide rail bracket is provided with wheel, and the top horizontal of the guide rail bracket is provided with the second guide rail, one end of second guide rail
Opening just to the sealed compartment；The pouring truck has vehicle frame, is provided with apparatus for pouring on the vehicle frame, the vehicle frame
Bottom is provided with roller, and the wheel face of the roller is matched with first guide rail and second guide rail, on the vehicle frame also
Motor is provided with, the roller is connected with the spindle drive of the motor.
According to the vacuum casting apparatus of the present invention, after car to be cast enters sealed compartment, hermatic door is closed, now vacuum means
Put and start the air in sealed compartment is extracted, after the air in cabin to be sealed is extracted out, vacuum extractor cuts out, and now apparatus for pouring is opened
Beginning work, to be cast after the completion of first to sealed compartment inflate, open hermatic door after the completion of inflation, guide rail car is pushed close by staff
In batten down, until the first guide rail is located in the second guide rail, now motor is opened and drives pouring truck to shift to the second guide rail, is reached
The shell that has poured into a mould being taken out behind position and the shell that does not pour into a mould is changed, closes hermatic door, can carry out next after detaching track sled
Secondary cast, its population structure is simple, it is easy to operate and cost is moderate.
Used as preferred, apparatus for pouring includes to pour into a mould frame and rotating disk, is provided with ladle seat, the casting ladle on the cast frame
Seat is hinged on the top of the cast frame, and the top of the cast frame is additionally provided with fixed pulley, is provided with elevator on the vehicle frame
Machine, the cable on the hoist engine is bypassed the fixed pulley and is connected with the bottom of the ladle seat；The rotating disk rolling assembling exists
On the vehicle frame, multiple shells on the rotating disk, can be placed, the lower section of the vehicle frame is provided with motor, the motor
Main shaft be in transmission connection with the rotating disk.
According to the vacuum casting apparatus of the present invention, pour into a mould and teeming ladle in seat, is provided with, pour into a mould the top that seat is hinged on cast frame
Portion, hoist engine startup when apparatus for pouring is carried out, cable is pulled after bypassing fixed pulley and is turned on cast seat, makes the metal in teeming ladle molten
Liquid is poured in shell, now pattern casting complete；Rotating disk is driven by motor, can install multiple shells, once on rotating disk
In cast process, by only rotating disk need to turning an angle, multiple shells are poured into a mould one by one.
As preferred, rotating shaft on the vehicle frame, is vertically arranged with, the bottom of the rotating disk is provided with axle sleeve, the rotating disk
It is connected with the upper end of the rotating shaft by axle sleeve, the lower end of the rotating shaft is connected with the spindle drive of the motor.
According to the vacuum casting apparatus of the present invention, rotating disk is connected by axle sleeve with rotating shaft, easy for installation, easy to disassemble.
As preferred, multiple universal rolling wheels, the universal rolling wheel wheel face between the rotating disk and the vehicle frame, is provided with
On the vehicle frame of the underface for being evenly distributed on the rotating disk upward.
According to the vacuum casting apparatus of the present invention, the multiple universal rolling wheels being provided between rotating disk and the vehicle frame are for propping up
Support rotating disk, and do not interfere with its work.
Used as preferred, the vacuum extractor includes：Vacuum pump and cooling tower, are provided with pumping on the sealed compartment
Mouthful, the entrance of the vacuum pump is connected with the bleeding point；The cooling tower is connected to the entrance of the vacuum pump and is taken out with described
On pipeline between QI KOU.
According to the vacuum casting apparatus of the present invention, as in sealed compartment, temperature is higher, when each casting complete exchanges shell for
The air of entrance can be brought rapidly up, and be protection vacuum pump, will be lowered the temperature by cooling tower before High Temperature Gas enter vacuum pump
Process.
As preferred, also include filter, the filter is connected to the entrance of the vacuum pump and the cooling tower
Between pipeline on.
According to the vacuum casting apparatus of the present invention, filter is used for clearing up the flue dust for filtering in waste gas.
Used as preferred, the sealed compartment is drum-shaped, to be provided with observation window on the sealed compartment.
According to the vacuum casting apparatus of the present invention, the sealed compartment anti-pressure ability of drum-shaped is good, the sight for arranging on sealed compartment
Examine the reaction condition that form can be inside monitor in real time sealed compartment.
Used as preferred, the sealed compartment and the hermatic door are respectively provided with inner shell and shell, the sealed compartment and described
Water inlet and outlet is respectively arranged with the shell of hermatic door, and the water inlet is located at the sealed compartment and the hermatic door
Bottom, the outlet is located at the top of the sealed compartment and the hermatic door.
According to the vacuum casting apparatus of the present invention, sealed compartment and the hermatic door are respectively provided with inner shell and shell, outside both
Shell bottom is respectively equipped with a water inlet, and both top is respectively arranged with an apopore, and cooling water is from bottom to top from water inlet
Mouth is flowed into, and apopore flows out, and cooling effect is more preferable.
Description of the drawings
With specific embodiment, the present invention is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of the vacuum casting apparatus of the present invention；
Fig. 2 is a kind of structural representation of embodiment of the apparatus for pouring in Fig. 1；
Fig. 3 is a kind of structural representation of embodiment of the vacuum extractor in Fig. 1.
In figure：Vacuum extractor 1, cooling tower 101, filter 102, vacuum pump 103；First guide rail 2；Motor 3；Car
Frame 4；Roller 5；Slide rail track 6；Wheel 7；Guide rail bracket 8；Second guide rail 9；Hermatic door 10；Sealed compartment 11；Apparatus for pouring 12；Stepping
Motor 13；Universal rolling wheel 14；Rotating disk 15；Shell 16；Observation window 17；Casting ladle bucket 18；Ladle seat 19；Fixed pulley 20；Cast frame
21；Hoist engine 22.
Specific embodiment
With reference to Fig. 1, a kind of vacuum casting apparatus that embodiments of the invention are provided, including sealed compartment 11, guide rail car and pour
Note car, is connected with vacuum extractor 1 on the sealed compartment 11, one end of sealed compartment 11 is opening, the opening of sealed compartment 11
Hermatic door 10 is provided with, being horizontally disposed with sealed compartment 11 has the first guide rail 2, and first guide rail 2 stretches to the opening；Described
Guide rail car includes guide rail bracket 8, and the bottom of the guide rail bracket 8 is provided with wheel 7, and the top horizontal of the guide rail bracket 8 is provided with the
Two guide rails 9, the one of second guide rail 9 rectifies the opening to the sealed compartment 11；The pouring truck has vehicle frame 4, vehicle frame 4
On be provided with apparatus for pouring 12, the bottom of the vehicle frame 4 is provided with roller 5, the wheel face of the roller 5 and first guide rail 2
Match with second guide rail 9, on the vehicle frame 4, be additionally provided with motor 3, the roller 5 and the motor 3
Spindle drive connects.
In the embodiment above, after pouring truck enters sealed compartment 11, hermatic door 10 is closed, and now vacuum extractor 1 starts to take out
The air in sealed compartment 11 is taken, after the air in cabin to be sealed 11 is extracted out, vacuum extractor 1 cuts out, and now apparatus for pouring starts
Work, to be cast after the completion of first sealed compartment 11 is inflated, open hermatic door 10 after the completion of inflation, guide rail car is pushed by staff
In sealed compartment 11, until the first guide rail 2 is located in the second guide rail 9, the now unlatching of motor 3 drives pouring truck to shift to second and leads
Rail 9, takes out the shell 16 that has poured into a mould and changes the shell 16 that does not pour into a mould behind in-position, close hermatic door after detaching track sled
10, can be poured into a mould next time, its population structure is simple, it is easy to operate and cost is moderate..
In conjunction with Fig. 2, a kind of structural representation of the embodiment inside apparatus for pouring 12, including pouring into a mould frame 21 and rotating disk 15,
Ladle seat 19 is provided with the cast frame 21, the ladle seat 19 is hinged on the top of the cast frame 21, the cast frame
21 top is additionally provided with fixed pulley 20, is provided with hoist engine 22 on the vehicle frame 4, and the cable on the hoist engine 22 bypasses institute
The bottom for fixed pulley 20 being stated with the ladle seat 19 is connected；15 rolling assembling of the rotating disk on the vehicle frame 4, the rotating disk 15
On can place four shells 16, the lower section of the vehicle frame 4 is provided with motor 13, the main shaft of the motor 13 with described
Rotating disk 15 is in transmission connection.
The structure of this apparatus for pouring 12, pours into a mould the top that seat 19 is hinged on cast frame 21, is provided with and pours in cast seat 19
Note bucket 18, the cable for pouring into a mould 19 bottom of seat is driven by hoist engine 22 through after fixed pulley 20, and rotating disk 15 is driven by motor 13,
Uniform four shells 16 on rotating disk 15, complete cast to a shell 16 after, only rotating disk 15 need to be rotated 90 degree can be to another
Individual shell 16 is poured into a mould, and each operation can complete cast to four shells 16.
For convenience of assembly or disassembly rotating disk 15 and motor 13, rotating shaft, the bottom of rotating disk 15 is vertically arranged with vehicle frame 4
Portion is provided with axle sleeve, and rotating disk 15 is connected with the upper end of the rotating shaft by axle sleeve, the main shaft of the lower end of rotating shaft and motor 13
It is in transmission connection.
Rotate for supporting wheel 15, between rotating disk 15 and vehicle frame 4, be provided with multiple universal rolling wheels 14,15 wheel face of universal rolling wheel
On the vehicle frame 4 of the underface for being evenly distributed on the rotating disk 15 upward.
Reference Fig. 3, a kind of structural representation of embodiment of vacuum extractor 1, including vacuum pump 103, vacuum pump 103
Entrance is connected with the bleeding point of the sealed compartment 11.
Sealed compartment 11 can discharge amount of heat in casting process, and in sealed compartment 11, the temperature of air is higher, be that protection is true
Empty pump 103, arranges cooling tower 101 on pipeline that can be between the entrance of vacuum pump 103 and the bleeding point of sealed compartment 11, in waste gas
Cooling treatment is carried out before entering vacuum pump 103.
As in the air fills miscellaneous a large amount of dust, pipeline that can be between the entrance of vacuum pump 103 and the cooling tower 101
One filter 102 of upper setting, for clearing up the dust of in the air.
Used as the improvement to sealed compartment of the present invention 11, sealed compartment 11 is drum-shaped, to be provided with observation and regard on sealed compartment 11
Window 17, working condition that can be in real-time monitoring cabin.
Sealed compartment 11 and hermatic door 10 are respectively provided with inner shell and shell, are set on the shell of sealed compartment 11 and hermatic door 10 respectively
Water inlet and outlet is equipped with, cooling water is flowed between inner shell and shell, and sealed compartment 11 is cooled down.
Water inlet is located at the bottom of above-mentioned sealed compartment 11 and above-mentioned hermatic door 10, and outlet is located at above-mentioned sealed compartment 11 and upper
The top of hermatic door 10 is stated, this refrigerating mode cooling effect from bottom to top is more preferable.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of vacuum casting apparatus, it is characterised in that include：
Sealed compartment (11), is connected with vacuum extractor (1) on sealed compartment (11), the one end of sealed compartment (11) is opening
End, the opening of sealed compartment (11) is provided with hermatic door (10), and being horizontally disposed with sealed compartment (11) has the first guide rail
(2), described first guide rail (2) opening is stretched to；
Guide rail car, the guide rail car includes guide rail bracket (8), and the bottom of guide rail bracket (8) is provided with wheel (7), the guide rail
The top horizontal of frame (8) is provided with the second guide rail (9), rectifying the sealed compartment (11) is opened of the second guide rail (9)
Mouth end；
Pouring truck, the pouring truck has vehicle frame (4), is provided with apparatus for pouring (12), vehicle frame (4) on vehicle frame (4)
Bottom be provided with roller (5), the wheel face of roller (5) and the first guide rail (2) and second guide rail (9) phase
Join, motor (3) on vehicle frame (4), is additionally provided with, roller (5) are connected with the spindle drive of the motor (3)
Connect.
2. vacuum casting apparatus according to claim 1, it is characterised in that apparatus for pouring (12) include：
Cast frame (21), is provided with ladle seat (19) on cast frame (21), and ladle seat (19) are hinged on the cast
The top of frame (21), the top of cast frame (21) is additionally provided with fixed pulley (20), is provided with hoist engine on vehicle frame (4)
(22) cable on, described hoist engine (22) is bypassed the fixed pulley (20) and is connected with the bottom of the ladle seat (19)；
Rotating disk (15), rotating disk (15) rolling assembling can place multiple shells on rotating disk (15) on the vehicle frame (4)
(16), lower section described vehicle frame (4) is provided with motor (13), the main shaft of motor (13) and the rotating disk (15)
It is in transmission connection.
3. vacuum casting apparatus according to claim 2, it is characterised in that be vertically arranged with rotating shaft on vehicle frame (4),
The bottom of rotating disk (15) is provided with axle sleeve, and described rotating disk (15) are connected with the upper end of the rotating shaft by axle sleeve, described turn
The lower end of axle is connected with the spindle drive of the motor (13).
4. vacuum casting apparatus according to claim 3, it is characterised in that rotating disk (15) and the vehicle frame (4) it
Between be provided with multiple universal rolling wheels (14).
5. vacuum casting apparatus according to claim 4, it is characterised in that described universal rolling wheel (15) wheel faces up uniform
On the vehicle frame (4) of the underface for being distributed in the rotating disk (15).
6. vacuum casting apparatus according to claim 1, it is characterised in that vacuum extractor (1) includes：
Vacuum pump (103), is provided with bleeding point, the entrance of vacuum pump (103) and the pumping on sealed compartment (11)
Mouth connection；
Cooling tower (101), cooling tower (101) are connected between the entrance of the vacuum pump (103) and the bleeding point
On pipeline.
7. vacuum casting apparatus according to claim 6, it is characterised in that also include filter (102), the filter
(102) it is connected on the pipeline between the entrance of the vacuum pump (103) and the cooling tower (101).
8. vacuum casting apparatus according to any one of claim 1 to 7, it is characterised in that sealed compartment (11) are
Drum-shaped, is provided with observation window (17) on sealed compartment (11).
9. vacuum casting apparatus according to claim 8, it is characterised in that sealed compartment (11) and the hermatic door
(10) inner shell and shell is respectively provided with, on the shell of sealed compartment (11) and the hermatic door (10), is respectively arranged with water inlet
And outlet.
10. vacuum casting apparatus according to claim 9, it is characterised in that the water inlet is located at the sealed compartment
(11) and the hermatic door (10) bottom, the outlet is located at the upper of sealed compartment (11) and the hermatic door (10)
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995367.0A CN106424681B (en) | 2016-11-11 | 2016-11-11 | A kind of vacuum casting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995367.0A CN106424681B (en) | 2016-11-11 | 2016-11-11 | A kind of vacuum casting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424681A true CN106424681A (en) | 2017-02-22 |
| CN106424681B CN106424681B (en) | 2018-03-06 |
Family
ID=58208463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610995367.0A Active CN106424681B (en) | 2016-11-11 | 2016-11-11 | A kind of vacuum casting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424681B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607978A (en) * | 2018-07-16 | 2018-10-02 | 重庆辉海科技有限公司 | Cast processing casting device |
| CN108731471A (en) * | 2017-12-21 | 2018-11-02 | 湖南久泰冶金科技有限公司 | A kind of automatic lowering mechanism |
| CN112164584A (en) * | 2020-09-23 | 2021-01-01 | 华翔翔能科技股份有限公司 | Dry-type transformer pouring tank |
| CN113977836A (en) * | 2021-09-30 | 2022-01-28 | 萍乡市凯越机电设备有限公司 | Tank structure for vacuum casting |
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|---|---|---|---|---|
| EP0749790A1 (en) * | 1995-06-20 | 1996-12-27 | Abb Research Ltd. | Process for casting a directionally solidified article and apparatus for carrying out this process |
| CN202155508U (en) * | 2011-06-11 | 2012-03-07 | 芜湖奥凯金属科技有限公司 | Vacuum pressure casting device |
| CN202212562U (en) * | 2011-06-11 | 2012-05-09 | 芜湖奥凯金属科技有限公司 | Vacuum pressure casting tank |
| CN104690250A (en) * | 2013-12-04 | 2015-06-10 | 浙江恒通机械有限公司 | Vacuum casting equipment |
| CN104942256A (en) * | 2015-06-05 | 2015-09-30 | 上海蓝铸特种合金材料有限公司 | Vacuum centrifugal casting device |
| CN206185131U (en) * | 2016-11-11 | 2017-05-24 | 郭光� | Vacuum casting equipment |
-
2016
- 2016-11-11 CN CN201610995367.0A patent/CN106424681B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0749790A1 (en) * | 1995-06-20 | 1996-12-27 | Abb Research Ltd. | Process for casting a directionally solidified article and apparatus for carrying out this process |
| CN202155508U (en) * | 2011-06-11 | 2012-03-07 | 芜湖奥凯金属科技有限公司 | Vacuum pressure casting device |
| CN202212562U (en) * | 2011-06-11 | 2012-05-09 | 芜湖奥凯金属科技有限公司 | Vacuum pressure casting tank |
| CN104690250A (en) * | 2013-12-04 | 2015-06-10 | 浙江恒通机械有限公司 | Vacuum casting equipment |
| CN104942256A (en) * | 2015-06-05 | 2015-09-30 | 上海蓝铸特种合金材料有限公司 | Vacuum centrifugal casting device |
| CN206185131U (en) * | 2016-11-11 | 2017-05-24 | 郭光� | Vacuum casting equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731471A (en) * | 2017-12-21 | 2018-11-02 | 湖南久泰冶金科技有限公司 | A kind of automatic lowering mechanism |
| CN108607978A (en) * | 2018-07-16 | 2018-10-02 | 重庆辉海科技有限公司 | Cast processing casting device |
| CN112164584A (en) * | 2020-09-23 | 2021-01-01 | 华翔翔能科技股份有限公司 | Dry-type transformer pouring tank |
| CN112164584B (en) * | 2020-09-23 | 2022-06-17 | 华翔翔能科技股份有限公司 | Dry-type transformer pouring tank |
| CN113977836A (en) * | 2021-09-30 | 2022-01-28 | 萍乡市凯越机电设备有限公司 | Tank structure for vacuum casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424681B (en) | 2018-03-06 |
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Effective date of registration: 20180502 Address after: 713800 eastern section of metallurgical Road, Sanyuan County, Xianyang, Shaanxi Patentee after: SANYUAN GUANGDA PRECISION CASTING FACTORY Address before: 713800 Sanyuan high tech Industrial Park, Xianyang, Shaanxi Patentee before: Guo Guang |
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Effective date of registration: 20210831 Address after: 713804 room 02, southwest, first floor, Sanyuan Everbright Precision Foundry, east section of metallurgical Avenue, Sanyuan County, Xianyang City, Shaanxi Province Patentee after: Shaanxi Mingchen Precision Casting Industry Co.,Ltd. Address before: 713800 eastern section of metallurgical Road, Sanyuan County, Xianyang, Shaanxi Patentee before: SANYUAN GUANGDA PRECISION CASTING FACTORY |
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