CN109457274B - Full-automatic aluminum electrolysis cell cover plate lifting mechanical arm - Google Patents
Full-automatic aluminum electrolysis cell cover plate lifting mechanical arm Download PDFInfo
- Publication number
- CN109457274B CN109457274B CN201811562326.8A CN201811562326A CN109457274B CN 109457274 B CN109457274 B CN 109457274B CN 201811562326 A CN201811562326 A CN 201811562326A CN 109457274 B CN109457274 B CN 109457274B
- Authority
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- China
- Prior art keywords
- telescopic rod
- cover plate
- cell cover
- outer cylinder
- lifting
- 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.)
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 17
- 230000004044 response Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 2
- 238000004804 winding Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a full-automatic aluminum electrolysis cell cover plate lifting manipulator which comprises a lifting device, a positioning device and a grabbing device; the lifting device comprises an outer cylinder body, a telescopic rod is arranged in the outer cylinder body, and a first motor for driving the telescopic rod to do lifting movement is arranged on the outer cylinder body; the positioning device comprises a cross laser positioner; the grabbing device comprises an installation frame connected with the lower end of the telescopic rod, a second motor is installed on the installation frame, a connecting piece is rotatably arranged on a driving shaft of the second motor, two electric push rods are symmetrically arranged on the connecting piece, and the free ends of the electric push rods are respectively provided with a grapple for grabbing a groove cover plate. The invention can automatically and accurately finish the work of lifting the aluminum cell cover plate and the cover cell cover plate, has reasonable structure, convenient use, accuracy and reliability, can reduce labor intensity, improve the production automation degree and the efficiency, and effectively reduce the harm of lifting and cover cell cover plate operation to the health of workers.
Description
Technical Field
The invention relates to the technical field of auxiliary devices for electrolytic aluminum production, in particular to a full-automatic cover plate lifting manipulator for an aluminum electrolysis cell.
Background
The electrolytic aluminum production is to obtain aluminum by electrolyzing alumina powder, wherein a carbonaceous body is used as an anode, the alumina powder is used as a solute, a cathode plate is paved at the bottom of an electrolytic tank, and strong direct current is introduced to complete the electrolysis. In the production process of electrolytic aluminum, a groove cover plate needs to be sequentially covered on the electrolytic groove, and the groove cover plate has the functions of isolating the inside and the outside of a groove body, preventing foreign matters from falling into the groove, protecting personnel safety in a working place, preserving heat of the groove body, reducing the outward emission of polluted gas in the groove, reducing the emission of dust in the groove to the working place and the like. Before the replacement of the lost anode, the slag dragging and other works, the cover plates are required to be lifted, and the groove cover plates are covered back to the original positions after the work is completed.
At present, the work of lifting the cell cover plates is operated manually, each cell cover plate weighs about 20-30 kg, at least 36 cell cover plates are arranged in each 200KA electrolytic cell, at least 4 anodes are required to be replaced in each electrolytic cell every day, at least 8 cell cover plates are required to be lifted by workers in each electrolytic cell on a shift, and the cell cover plates are covered to be in place after the pole replacement is finished. As the number of the electrolytic tanks in one electrolytic plant is hundreds at least, and the temperature in the plant is very high (the highest temperature in summer can reach more than 60 ℃) due to the outward transmission of the temperature of the aluminum liquid in the electrolytic tank, the working intensity of the tank lifting cover plate is high, a great deal of physical power is consumed, and a worker can breathe a great deal of polluted air containing harmful gas and dust while tolerating high temperature, so that the electrolytic tank is very unfavorable for health.
Disclosure of Invention
The invention aims to provide a full-automatic aluminum electrolysis cell cover plate lifting manipulator which solves the problems that in the prior art, manual operation is needed when an aluminum electrolysis cell cover plate is lifted, the working intensity is high, and the labor is not good for the health of workers.
In order to solve the technical problems, the invention adopts the following technical scheme:
The invention relates to a full-automatic aluminum electrolysis cell cover plate lifting manipulator which comprises a lifting device, a positioning device and a grabbing device; the lifting device comprises an outer cylinder fixedly arranged on the travelling trolley of the crown block, a telescopic rod capable of lifting along the outer cylinder is arranged in the outer cylinder, and a first motor for driving the telescopic rod to lift is arranged on the outer cylinder; the positioning device comprises a cross laser positioner arranged on the outer cylinder; the grabbing device comprises a mounting frame connected with the lower end of the telescopic rod, a second motor is mounted on the mounting frame, a connecting piece is rotatably arranged on a driving shaft of the second motor, two electric push rods are symmetrically arranged on the connecting piece, and the free ends of the electric push rods are respectively provided with a grabbing hook for grabbing a groove cover plate.
Further, a winding wheel is mounted on the driving shaft of the first motor, a coil halliard is arranged on the winding wheel, and the free end of the coil halliard is fixedly connected with the telescopic rod.
Still further, be provided with on the inner wall of outer barrel and be used for the response telescopic link upper end position signal's first limit switch, the upper end of telescopic link is provided with and is used for touching first limit switch's touch cover.
Still further, the lower extreme of pole that contracts rises through buffer with the mounting bracket is connected, buffer includes buffer frame and buffer board, buffer frame includes limiting plate and lower limiting plate, lower limiting plate fixed mounting in the upper end of mounting bracket, go up the limiting plate through a plurality of spacing axle with lower limiting plate fixed connection, the last fixed stop collar that is provided with of buffer board with a plurality of spacing axle looks adaptation, the lower extreme of telescopic link passes go up the limiting plate with buffer board fixed connection.
Still further, the telescopic rod is provided with a heavy sensor.
Still further, the upper portion of mounting bracket is provided with and is used for the response telescopic link lower extreme position signal's second limit switch, the lateral part of buffer board is provided with and is used for touching the touching pole of second limit switch.
Still further, the lower part of mounting bracket is provided with the third limit switch that is used for the response connecting piece position signal.
And a micro switch for sensing the operation signal that the grapple touches the cross beam of the trough cover plate is arranged on the grapple.
Still further, still include image acquisition device, image acquisition device includes install in camera and photo sensor on the outer barrel.
Still further, the bottom of telescopic link is provided with and is used for driving the rotatory third motor of mounting bracket.
Compared with the prior art, the invention has the beneficial technical effects that:
When the groove cover plate is lifted, the whole system is stopped right above the groove cover plate to be lifted through the cross laser positioning device under the cooperation of the multifunctional crown block in the electrolytic aluminum workshop, then the lifting device automatically descends the telescopic rod, the groove cover plate is automatically grasped after the grabbing device touches the groove cover plate, the lifting device lifts the telescopic rod to bring the groove cover plate away from the electrolytic groove, the crown block is moved to a position where the groove cover plate is required to be placed through the cross laser positioning device, and the groove cover plate is automatically put down, so that the mechanical operation of lifting/covering the groove cover plate is realized. The invention can automatically and accurately finish the work of lifting the aluminum cell cover plate and the cover cell cover plate, has reasonable structure, convenient use, accuracy and reliability, can reduce labor intensity, improve the production automation degree and the efficiency, and effectively reduce the harm of lifting and cover cell cover plate operation to the health of workers.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1;
reference numerals illustrate: 1. an outer cylinder; 2. a telescopic rod; 3. a first motor; 4. a cross laser locator; 5. a mounting frame; 6. a second motor; 7. a trough cover plate; 8. a connecting piece; 9. an electric push rod; 10. a grapple; 11. a winding wheel; 12. roll halliard; 13. a first limit switch; 14. touching the sleeve; 15. a buffer frame; 15-1, an upper limit plate; 15-2, a lower limiting plate; 15-3, limiting the shaft; 16. a buffer plate; 16-1 limit sleeve; 17. a second limit switch; 18. touching the rod; 19. a third limit switch; 20. a micro-switch; 21. a camera; 22. a weighing sensor; 23. and a third motor.
Detailed Description
As shown in fig. 1-4, a full-automatic aluminum electrolysis cell cover plate lifting manipulator comprises a lifting device, a positioning device and a grabbing device.
The lifting device comprises an outer cylinder body 1 fixedly arranged on a travelling trolley fixing beam of the crown block, a telescopic rod 2 capable of lifting along the outer cylinder body is arranged in the outer cylinder body 1, and a first motor 3 used for driving the telescopic rod 2 to lift is arranged on the outer cylinder body 1. The transmission connection between the telescopic rod 2 and the first motor 3 can be connected by a synchronous belt, a ball screw or a steel wire rope. In this embodiment, a winding wheel 11 is mounted on the driving shaft of the first motor 3, a winding reel halliard is disposed on the winding wheel 11, and a free end of the winding rope 12 is fixedly connected with the telescopic rod 2. A first limit switch 13 for sensing a position signal of the upper end of the telescopic rod 2 is arranged on the inner wall of the outer cylinder body 1, and a touch sleeve 14 for touching the first limit switch 13 is fixedly arranged at the upper end of the telescopic rod 2. To confirm the effective operation of the gripping device, a load cell 22 is attached to the telescopic rod 2.
The positioning device comprises a cross laser positioner 4 arranged on the outer cylinder 1.
The grabbing device comprises a mounting frame 5 connected with the lower end of the telescopic rod 2, specifically, the lower end of the telescopic rod 2 is connected with the mounting frame 5 through a buffer device, the buffer device comprises a buffer frame 15 and a buffer plate 16, the buffer frame 15 comprises an upper limit plate 15-1 and a lower limit plate 15-2, the lower limit plate 15-2 is fixedly mounted at the upper end of the mounting frame 15, the upper limit plate 15-1 is fixedly connected with the lower limit plate through a plurality of limit shafts 15-3, limit sleeves 16-1 matched with the limit shafts 15-3 are fixedly arranged on the buffer plate 16, and the lower end of the telescopic rod 2 passes through the upper limit plate 15-1 and the buffer plate 16. The upper portion of mounting bracket 5 is installed and is used for the response telescopic link 2's lower extreme position signal's second limit switch 17, the lateral part of buffer board 16 is installed and is used for touching the touching pole 18 of second limit switch 17.
In order to compensate the working condition of the trough cover plate during irregular discharge, a third motor 23 for driving the mounting frame to rotate is arranged at the bottom end of the telescopic rod.
Install second motor 6 on the mounting bracket, rotationally be provided with connecting piece 8 on the drive shaft of second motor 6, the lower part of mounting bracket 5 is installed and is used for the response connecting piece 8 position signal's third limit switch 19. Two electric push rods 9 are symmetrically arranged on the connecting piece 8, and the free end of each electric push rod 9 is provided with a grapple 10 for grabbing the groove cover plate 7. The grapple 10 is provided with a micro switch 20 for sensing an operation signal that the grapple 10 touches the trough cover beam.
In addition, the invention is also provided with a remote control switch, a display screen and a PLC controller, and in order to realize the long-distance real-time observation of the work of the lifting groove cover plate and ensure that the operation can be completed when the light is unclear, the invention is also provided with an image acquisition device which comprises a camera 21 and a light sensor which are arranged on the outer cylinder. The camera with display screen electric connection, the display screen with PLC controller electric connection, and the demonstration divide into two district, one district shows the image of camera transmission, another district shows location, weight, height, rotation angle, snatchs information. The remote control switch is provided with a start button and a placement button, and is electrically connected with the PLC controller, the first motor, the second motor and the third motor are servo motors or stepping motors, and the first limit switch, the second limit switch, the third limit switch, the micro switch, the light sensor, the weighing sensor, the first motor, the second motor, the third motor and the electric push rod are electrically connected with the PLC controller, and are transmitted to the PLC controller through corresponding sensor induction related signals, and the PLC controller sends control signals to corresponding execution elements according to received induction signals to complete corresponding actions, and the principle and the circuit connection are technical means mature in the field, so that detailed discussion is not carried out in the specification.
The action process of the invention is as follows:
firstly, when the visible laser line of the cross laser positioner is aligned to the groove cover plate, a remote controller start button is pressed, the lifting device starts to operate, the first motor drives the telescopic rod to do descending motion, meanwhile, the second motor drives the connecting piece to rotate, and when the connecting piece touches the third limit switch, the second motor stops rotating. When the telescopic link descends to a certain height, grabbing device and groove cover plate contact comprehensively, because the blocking of apron, grabbing device stops to descend, owing to there is buffer, the telescopic link still can maintain to descend certain distance, when touching the second limit switch when touching the pole, feedback signal stops rotating for the first motor at top, the telescopic link no longer descends, simultaneously, second limit switch also feedback signal gives electric putter, electric putter promotes the grapple motion, when the grapple touched the groove cover plate crossbeam, the built-in micro-gap switch feedback signal of grapple gives electric putter stop its work. Meanwhile, the micro switch also feeds back a signal to the speed reducing motor, and the speed reducing motor drives the telescopic rod to move upwards and lifts the groove cover plate.
After the groove cover plate is lifted to a certain height, the movable crown block wants to walk to a proper position, the movable crown block is positioned by means of a visible laser line of the cross laser positioner, and then the placing button is pressed. The first motor drives the telescopic rod to descend until the groove cover plate is integrally put in place, the buffer device acts again at the moment, and when the touch rod touches the second limit switch, a feedback signal gives the gear motor to stop moving. Meanwhile, the signal of the second limit switch is also fed back to the electric push rod to enable the electric push rod to move reversely, the grabbing device is separated from the groove cover plate at the moment, when the electric push rod runs to the end, the feedback signal drives the telescopic rod to rise back to the first motor, after the touch sleeve at the top end of the telescopic rod touches the first limit switch, the first motor stops moving, at the moment, the telescopic rod rises back to the top initial position, and the whole working process is finished.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (8)
1. A full-automatic aluminum electrolysis cell cover plate lifting mechanical arm is characterized in that: comprises a lifting device, a positioning device and a grabbing device; the lifting device comprises an outer cylinder body (1) fixedly arranged on a travelling trolley of the crown block, a telescopic rod (2) capable of lifting along the outer cylinder body is arranged in the outer cylinder body (1), and a first motor (3) for driving the telescopic rod (2) to lift is arranged on the outer cylinder body (1); the positioning device comprises a cross laser positioner (4) arranged on the outer cylinder body (1); the grabbing device comprises a mounting frame (5) connected with the lower end of the telescopic rod (2), a second motor (6) is mounted on the mounting frame, a driving shaft of the second motor (6) is rotatably provided with a connecting piece (8), two electric push rods (9) are symmetrically arranged on the connecting piece (8), and a grabbing hook (10) for grabbing a groove cover plate (7) is arranged at the free end of each electric push rod (9);
The lower end of the telescopic rod (2) is connected with the mounting frame (5) through a buffer device, the buffer device comprises a buffer frame (15) and a buffer plate (16), the buffer frame (15) comprises an upper limit plate (15-1) and a lower limit plate (15-2), the lower limit plate (15-2) is fixedly arranged at the upper end of the mounting frame (5), the upper limit plate (15-1) is fixedly connected with the lower limit plate through a plurality of limit shafts (15-3), a limit sleeve (16-1) matched with the limit shafts (15-3) is fixedly arranged on the buffer plate (16), and the lower end of the telescopic rod (2) penetrates through the upper limit plate (15-1) to be fixedly connected with the buffer plate (16);
The upper portion of mounting bracket (5) is provided with second limit switch (17) that are used for the response telescopic link (2) lower extreme position signal, the lateral part of buffer board (16) is provided with and is used for touching touch pole (18) of second limit switch (17).
2. The fully automatic aluminum electrolysis cell cover lifting manipulator of claim 1, wherein: a winch wheel (11) is arranged on a driving shaft of the first motor (3), a coil halliard (12) is arranged on the winch wheel (11), and the free end of the winch rope (12) is fixedly connected with the telescopic rod (2).
3. The fully automatic aluminum electrolysis cell cover lifting manipulator of claim 1, wherein: the telescopic device is characterized in that a first limit switch (13) for sensing a position signal at the upper end of the telescopic rod (2) is arranged on the inner wall of the outer cylinder body (1), and a touch sleeve (14) for touching the first limit switch (13) is arranged at the upper end of the telescopic rod (2).
4. The fully automatic aluminum electrolysis cell cover lifting manipulator of claim 1, wherein: the telescopic rod (2) is provided with a heavy sensor (22).
5. The fully automatic aluminum electrolysis cell cover lifting manipulator of claim 1, wherein: the lower part of the mounting frame (5) is provided with a third limit switch (19) for sensing the position signal of the connecting piece (8).
6. The fully automatic aluminum electrolysis cell cover lifting manipulator of claim 1, wherein: the micro-switch (20) for sensing the operation signal that the grapple hook (10) touches the groove cover plate cross beam is arranged on the grapple hook (10).
7. The fully automatic aluminum electrolysis cell cover lifting manipulator of claim 1, wherein: the device also comprises an image acquisition device, wherein the image acquisition device comprises a camera (21) and a light sensor which are arranged on the outer cylinder body.
8. The fully automatic aluminum electrolysis cell cover lifting manipulator of claim 1, wherein: the bottom of telescopic link (2) is provided with and is used for driving the rotatory third motor (23) of mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562326.8A CN109457274B (en) | 2018-12-20 | 2018-12-20 | Full-automatic aluminum electrolysis cell cover plate lifting mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562326.8A CN109457274B (en) | 2018-12-20 | 2018-12-20 | Full-automatic aluminum electrolysis cell cover plate lifting mechanical arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109457274A CN109457274A (en) | 2019-03-12 |
| CN109457274B true CN109457274B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562326.8A Active CN109457274B (en) | 2018-12-20 | 2018-12-20 | Full-automatic aluminum electrolysis cell cover plate lifting mechanical arm |
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| Country | Link |
|---|---|
| CN (1) | CN109457274B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548942B (en) * | 2020-12-25 | 2022-11-01 | 江苏富联通讯技术有限公司 | Disassembling tool for combined 5G communication module and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006067324A2 (en) * | 2004-12-21 | 2006-06-29 | E.C.L. | Handling device for hoods of a cell for electrolytic aluminium production |
| CN105525308A (en) * | 2016-01-30 | 2016-04-27 | 中国有色（沈阳）冶金机械有限公司 | Tank shielding plate gripping device |
| CN106811772A (en) * | 2017-04-13 | 2017-06-09 | 中南大学 | A kind of aluminium cell Automatic pole changing system and its change poles method |
| CN107447234A (en) * | 2016-08-05 | 2017-12-08 | 高德金 | A kind of crust breaking cylinder of adjustable installation fixing point height |
| CN209227080U (en) * | 2018-12-20 | 2019-08-09 | 承德市开发区盛方电子有限公司 | A kind of Full-automatic aluminum electrolytic cell flip plate manipulator |
-
2018
- 2018-12-20 CN CN201811562326.8A patent/CN109457274B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006067324A2 (en) * | 2004-12-21 | 2006-06-29 | E.C.L. | Handling device for hoods of a cell for electrolytic aluminium production |
| CN105525308A (en) * | 2016-01-30 | 2016-04-27 | 中国有色（沈阳）冶金机械有限公司 | Tank shielding plate gripping device |
| CN107447234A (en) * | 2016-08-05 | 2017-12-08 | 高德金 | A kind of crust breaking cylinder of adjustable installation fixing point height |
| CN106811772A (en) * | 2017-04-13 | 2017-06-09 | 中南大学 | A kind of aluminium cell Automatic pole changing system and its change poles method |
| CN209227080U (en) * | 2018-12-20 | 2019-08-09 | 承德市开发区盛方电子有限公司 | A kind of Full-automatic aluminum electrolytic cell flip plate manipulator |
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| Publication number | Publication date |
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| CN109457274A (en) | 2019-03-12 |
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