CN207909845U - A kind of cell piece switching mechanism of solar cell module production line - Google Patents
A kind of cell piece switching mechanism of solar cell module production line Download PDFInfo
- Publication number
- CN207909845U CN207909845U CN201820280192.XU CN201820280192U CN207909845U CN 207909845 U CN207909845 U CN 207909845U CN 201820280192 U CN201820280192 U CN 201820280192U CN 207909845 U CN207909845 U CN 207909845U
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- Prior art keywords
- cell piece
- switching mechanism
- production line
- solar cell
- sucker
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- 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
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Abstract
The utility model is related to solar cell module manufacturing technology fields,It discloses a kind of cell piece switching mechanisms of solar cell module production line,Including controller,Horizontally disposed guide rail,And it can be along the moving trolley that guide rail moves horizontally on the guide rail,The electric elevator of oscilaltion is used in the moving trolley,The lower end of the electric elevator is equipped with scissor type telescopic component,The scissor type telescopic component includes horizontally disposed frame,And it can be in the frame along the flexible frame module that the direction parallel with the guide rail is flexible in the frame,The flexible frame module includes a number of motion bar for being spaced apart and being mutually parallel,The X-shaped scissor being connected between adjacent activities bar,The lower end of the motion bar is connected with the first cell piece sucker and cell piece switching mechanism for cell piece to be sucked.The utility model improves the degree of automation and flexibility of solar cell module production line.
Description
Technical field
The utility model is related to solar cell module manufacturing technology fields, and in particular to a kind of solar battery group
The cell piece switching mechanism of part production line.
Background technology
Solar cell module be typically by high efficiency crystalline silicon solar cell, ultrawhite woven design tempered glass, EVA, thoroughly
Bright TPT backboards and aluminum alloy frame composition, be used to solar energy be converted directly into electric energy, for electricity requiring equipment power or to
Power grid conveys electric energy, meets the needs of today's society electric energy.
In the production technology of solar cell module, need to concatenate multiple crystal silicon solar cell sheets, i.e.,
By welding by cell piece series welding together so that the cathode between adjacent two pieces of cell pieces is connected with anode.Series welding is completed
It also needs to be detected the cell piece of series welding together afterwards, to ensure its welding quality.
In existing solar cell module production line, the series welding of cell piece is carried out on battery sheet welding working bench
, cell piece needs to be sent into inspection workbench after completing series welding, again to cell piece after the front of cell piece is detected, is overturn
The back side be detected.The transfer and overturning of previous series welding cell piece were required to manual work, when needing to consume more in this way
Between take and put, overturn, the degree of automation is poor, production efficiency is relatively low.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of cell piece tippers of solar cell module production line
Structure, it is intended to be intended to improve the degree of automation and flexibility of solar cell module production line, specific technical solution is as follows：
A kind of cell piece switching mechanism of solar cell module production line, including controller, horizontally disposed guide rail, set
In on the guide rail and can along the moving trolley that guide rail moves horizontally, in the moving trolley be used for oscilaltion electricity
The lower end of dynamic lifter, the electric elevator is equipped with scissor type telescopic component, and the scissor type telescopic component includes level
The frame of setting, in the frame and can in the frame along the direction parallel with the guide rail stretch expansion bracket
Module, the flexible frame module includes a number of motion bar for being spaced apart and being mutually parallel, be connected to adjacent activities bar it
Between X-shaped scissor, the X-shaped scissor includes that a pair of intersect and is equipped with the connecting rod of stud connection at arrangement in the infall,
The both ends end of the connecting rod is equipped with axis pin, and the both ends of the motion bar are equipped with the sliding slot for installing the axis pin, the pin
Axis is slidably mounted in the sliding slot, and the lower end of the motion bar is connected with the first cell piece for cell piece to be sucked and inhales
Disk and cell piece switching mechanism, the cell piece switching mechanism include the fixed link for connecting and extending downwardly with motion bar, peace
Stepper motor mounted in the fixed link lower end, the second cell piece sucker with the motor axis connection of the stepper motor, it is described
Second cell piece sucker by the stepper motor drive can go to the second cell piece sucker suction inlet upward position and
It is faced with the suction inlet of the first cell piece sucker, the second cell piece sucker can go to institute by stepper motor drive
The sucking mouth down position of the second cell piece sucker is stated, the moving trolley, stepper motor, electric elevator are electrically connected
The controller.
In above-mentioned technical proposal, the first cell piece sucker is connected on the motion bar of scissor type telescopic component, adjacent activities
Spacing between bar realized by the X-shaped scissor in scissor type telescopic component and is adjusted in synchronism, thus between cell piece sucker between
Away from being also adjustable.Therefore, the cell piece switching mechanism of a kind of solar cell module production line of the utility model, Neng Goushi
Movement and the turning operation for answering different size and the series welding cell piece component of different spacing, to substantially increase solar cell
The flexibility of subassembly line.
In use, regulating the spacing between cell piece sucker by scissor type telescopic component, realized by moving trolley
Station conversion between cell piece series welding workbench and cell piece monitor station, passes through electric elevator and the first cell piece sucker
It realizes the crawl of series welding cell piece component and puts down, series welding battery is carried out by the second cell piece sucker driven by stepper motor
The overturning of piece, to realize mechanization displacement and the turning operation of series welding cell piece component.
The turning operation program of series welding cell piece component is as follows in the utility model：String is first sucked by the first cell piece sucker
Weld cell piece component, then the second cell piece sucker is driven by stepper motor and is gone to its suction inlet upward position and with it is first electric
The suction inlet of pond piece sucker faces, and the solenoid valve of the first cell piece sucker of control is closed, and series welding cell piece component is fallen second
It on the suction inlet of cell piece sucker and is sucked, the second cell piece sucker reversely goes to it and sucks mouth down position again, turns off
Fall the solenoid valve of the second cell piece sucker of control, the series welding cell piece component after overturning is fallen carries out cell back face on monitor station
Detection.
A kind of cell piece switching mechanism of solar cell module production line of the utility model is also applied to needs
In other generation processes that series welding cell piece component is shifted and overturn.For example, series welding cell piece group after tested
Part can also be picked up again to be transplanted on down production station together.
Electricity can also be realized using a kind of cell piece switching mechanism of solar cell module production line of the utility model
Purging operation after the piece series welding of pond.Concrete methods of realizing is：It controlling the first cell piece sucker, controlling the second cell piece sucker
Increase compressed air line all the way on solenoid valve, and is switched over by solenoid valve.It needs to switch when capturing or put down cell piece
To the negative pressure line of connection vacuum pump, compressed air line is switched to when needing to purge cell piece.Purge cell piece just
When face, cell piece is sucked by the second cell piece sucker from below, then positive from top purging cell piece by the first cell piece sucker；
When purging the cell piece back side, cell piece is sucked from top by the first cell piece sucker, then blown from below by the second cell piece sucker
Wash the cell piece back side.
Therefore, existing solar cell module production technology can be further improved, is in cell piece string
Between welder's sequence and the string inspection after welding process of cell piece, increase the battery carried out automatically by above-mentioned cell piece switching mechanism together
Piece purges process, surface dirt and extra solder flux, weldering bits is removed, so as to further increase the quality of cell piece.
It is located at the activity of flexible frame module one end as a kind of preferred embodiment of the utility model, in the flexible frame module
One end of bar and the frame is mutually fixed, and the other end of the frame is equipped with the first electric pushrod, position in the flexible frame module
It is connected with first electric pushrod in the motion bar of the flexible frame module other end, the first electric pushrod connection control
Device.
As another preferred embodiment of the utility model, the both ends of the frame are respectively equipped with the first electric pushrod,
Two electric pushrods, first electric pushrod, the second electric pushrod respectively be located at flexible frame module in the flexible frame module
The motion bar at both ends is connected, and first electric pushrod, the second electric pushrod are separately connected controller.
In the utility model, the first electric pushrod, the second electric pushrod motor use servo motor, to realize cell piece
Interambulacrum away from accurate adjusting.
In the utility model, the electric elevator is electric screw lifter, the lifting of the electric screw lifter
Bar is connected with the frame in the scissor type telescopic component.
In the utility model, the electric screw lifter is duplex synchronization lifting electric screw lifter.
Above-mentioned electric screw lifter is duplex synchronization lifting electric screw lifter, two electric screws lifting therein
Synchronization lifting may be implemented in device.Using duplex synchronization lifting electric screw lifter, the movement of scissor type telescopic component can be improved
When stability, shifting function when causing series welding cell piece length component longer more especially suitable for cell piece quantity.
In the utility model, the first cell piece sucker, the second cell piece sucker are vacuum cup.
In the utility model, the moving trolley is equipped with vacuum pump, and the vacuum pump is connected described true by solenoid valve
Suction disk, and the vacuum pump, solenoid valve are separately connected controller.
In order to realize the accurate positionin of moving trolley, it is equipped in the moving trolley for detecting moving trolley itself position
The laser range sensor set is equipped with the origin reference location block that ranging is carried out for laser range sensor, institute on the guide rail
State controller connection laser range sensor.
In order to improve safety, the limit switch for limiting moving trolley moving range is installed on the guide rail.
In the utility model, the controller is PLC controller or Control System of Microcomputer.
In the utility model, turned over equipped with hose with adapting to the second cell piece sucker between the second cell piece sucker and fixed link
The needs turned.Wherein, one end of the hose connects the second cell piece sucker, and the other end is connected and fixed the endoporus on bar, and solid
Endoporus in fixed pole is connected by pipeline with vacuum pump.
The utility model has the beneficial effects that：
First, a kind of cell piece switching mechanism of solar cell module production line of the utility model, cell piece sucker
It is connected on the motion bar of scissor type telescopic component, the spacing between adjacent activities bar passes through the X-shaped in scissor type telescopic component
Scissor, which is realized, to be adjusted in synchronism, therefore the spacing between cell piece sucker is also adjustable.Therefore, a kind of sun of the utility model
Can battery component production line cell piece switching mechanism, can adapt to different size and the series welding cell piece component of different spacing
Mobile and turning operation, to substantially increase the flexibility of solar cell module production line.
Second, a kind of cell piece switching mechanism of solar cell module production line of the utility model, electric screw liter
Drop device is duplex synchronization lifting electric screw lifter, can improve the stability when movement of scissor type telescopic component, especially suitable
It is more for cell piece quantity, shifting function when causing series welding cell piece length component longer.
A kind of third, the cell piece switching mechanism of solar cell module production line of the utility model, can be applied to
It needs to shift in generation process related to what is overturn series welding cell piece component, it is adaptable.
Description of the drawings
Fig. 1 is a kind of structural representation of the cell piece switching mechanism of solar cell module production line of the utility model
Figure；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is to be related to the vertical view of scissor type telescopic components in Fig. 1；
Fig. 4 is that (wherein the second cell piece sucker is gone to faces shape with the first cell piece sucker for the A-A sectional views of Fig. 3
State)；
Fig. 5 is the A-A sectional views of Fig. 3 (wherein the second cell piece sucker goes to the sucking mouth down state of its sucker).
In figure：1, guide rail, 2, moving trolley, 3, electric elevator, 4, scissor type telescopic component, 5, frame, 6, motion bar,
7, X-shaped scissor, 8, stud connection, 9, connecting rod, 10, axis pin, 11, sliding slot, the 12, first cell piece sucker, 13, first electronic pushes away
Bar, the 14, second electric pushrod, 15, elevating lever, 16, vacuum pump, 17, solenoid valve, 18, laser range sensor, 19, benchmark it is fixed
Position block, 20, limit switch, 21, the driving motor of moving trolley, 22, cell piece switching mechanism, 23, fixed link, 24, stepping electricity
Machine, the 25, second cell piece sucker, 26, cell piece, 27, hose.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
As Fig. 1 to 5 show a kind of cell piece switching mechanism of solar cell module production line of the utility model
Embodiment, including controller (being not drawn into figure), horizontally disposed guide rail 1, be set on the guide rail 1 and can be horizontal along guide rail 1
Mobile moving trolley 2, the electric elevator 3 that oscilaltion is used in the moving trolley 2, the electric elevator
3 lower end is equipped with scissor type telescopic component 4, and the scissor type telescopic component 4 includes horizontally disposed frame 5, set on described
And it can be in the frame 5 along the flexible frame module that the direction parallel with the guide rail 1 is flexible, the expansion bracket in frame 5
Module includes a number of motion bar 6 for being spaced apart and being mutually parallel, the X-shaped scissor 7 being connected between adjacent activities bar 6,
The X-shaped scissor 7 includes that a pair of intersect arranges and be equipped with the connecting rod 9 of stud connection 8, the connecting rod 9 in the infall
Both ends end be equipped with axis pin 10, the both ends of the motion bar 6 are equipped with the sliding slot 11 for installing the axis pin 10, the axis pin
10 are slidably mounted in the sliding slot 11, and the lower end of the motion bar 6 is connected with the first electricity for cell piece 26 to be sucked
Pond piece sucker 12 and cell piece switching mechanism 22, the cell piece switching mechanism 22 include being connect with motion bar 6 and to downward
The fixed link 23 stretched, mounted on 23 lower end of the fixed link stepper motor 24, with the motor axis connection of the stepper motor 24
The second cell piece sucker 25, the second cell piece sucker 25 by the stepper motor 24 drive can go to it is described second electricity
It the suction inlet upward position of pond piece sucker 25 and is faced with the suction inlet of the first cell piece sucker 12, second cell piece is inhaled
Disk 25 drives the sucking mouth down position that can go to the second cell piece sucker 25, the movement by the stepper motor 24
The controller is electrically connected in trolley 2, stepper motor 24, electric elevator 3.
In above-mentioned technical proposal, the first cell piece sucker 12 is connected on the motion bar 6 of scissor type telescopic component 4, adjacent
Spacing between motion bar 6 realized by the X-shaped scissor 7 in scissor type telescopic component 6 and is adjusted in synchronism, thus cell piece sucker it
Between spacing be also adjustable.Therefore, the cell piece switching mechanism of a kind of solar cell module production line of the present embodiment, energy
Movement and the turning operation for enough adapting to different size and the series welding cell piece component of different spacing, to substantially increase solar energy
The flexibility of battery component production line.
In use, the spacing between cell piece sucker is regulated by scissor type telescopic component 4, it is real by moving trolley 2
Station conversion between cell piece series welding workbench and cell piece monitor station now, passes through electric elevator 3 and the first cell piece
Sucker 12 realizes the crawl of series welding cell piece component and puts down, by the second cell piece sucker 25 for being driven by stepper motor 24 into
The overturning of row series welding cell piece, to realize mechanization displacement and the turning operation of series welding cell piece component.
The turning operation program of series welding cell piece component is as follows in the present embodiment：String is first sucked by the first cell piece sucker 12
Cell piece component is welded, then the second cell piece sucker 25 is driven by stepper motor 24 and gone to its suction inlet upward position and with the
The suction inlet of one cell piece sucker 12 faces, and the solenoid valve 17 of the first cell piece sucker 12 of control is closed, series welding cell piece group
Part falls on the suction inlet of the second cell piece sucker 25 and is sucked, and the second cell piece sucker 25 reversely goes to its suction inlet court again
Lower position turns off the solenoid valve of the second cell piece of control sucker 25, and the series welding cell piece component after overturning is fallen in monitor station
The upper detection for carrying out cell back face.
A kind of cell piece switching mechanism of solar cell module production line of the present embodiment is also applied to needs pair
In other generation processes that series welding cell piece component is shifted and overturn.For example, series welding cell piece component after tested
It can also be picked up again to be transplanted on down production station together.
It is located at the motion bar of flexible frame module one end as a kind of preferred embodiment of the present embodiment, in the flexible frame module
6 mutually fix with one end of the frame 5, and the other end of the frame 5 is equipped with the first electric pushrod 13, in the flexible frame module
Motion bar 6 positioned at the flexible frame module other end is connected with first electric pushrod 13, first electric pushrod 13
Connect controller.
As another preferred embodiment of the present embodiment, the both ends of the frame 5 are respectively equipped with the first electric pushrod 13,
Two electric pushrods 14, first electric pushrod 13, the second electric pushrod 14 respectively be located in the flexible frame module it is flexible
The motion bar 6 at frame module both ends is connected, and first electric pushrod 13, the second electric pushrod 14 are separately connected controller.
In the present embodiment, the first electric pushrod 13, the second electric pushrod 14 motor use servo motor, to realize battery
Piece interambulacrum away from accurate adjusting.
In the present embodiment, the electric elevator 3 is electric screw lifter, the elevating lever of the electric screw lifter
15 are connected with the frame 5 in the scissor type telescopic component 4.
In the present embodiment, the electric screw lifter is duplex synchronization lifting electric screw lifter.
Above-mentioned electric screw lifter is duplex synchronization lifting electric screw lifter, two electric screws lifting therein
Synchronization lifting may be implemented in device.Using duplex synchronization lifting electric screw lifter, the movement of scissor type telescopic component can be improved
When stability, shifting function when causing series welding cell piece length component longer more especially suitable for cell piece quantity.
In the present embodiment, the first cell piece sucker 12, the second cell piece sucker 25 are vacuum cup.
In the present embodiment, the moving trolley 2 is equipped with vacuum pump 16, and the vacuum pump 16 connects institute by solenoid valve 17
Vacuum cup is stated, and the vacuum pump 16, solenoid valve 17 are separately connected controller.
In order to realize the accurate positionin of moving trolley 2, it is equipped in the moving trolley 2 for detecting moving trolley 2 certainly
The laser range sensor 18 of body position is equipped with the benchmark that ranging is carried out for laser range sensor 18 on the guide rail 1
Locating piece 19, the controller connect laser range sensor 18.
In order to improve safety, the limit switch for limiting 2 moving range of moving trolley is installed on the guide rail 1
20。
In the present embodiment, the controller is PLC controller or Control System of Microcomputer.
Hose 27 is equipped in the present embodiment, between the second cell piece sucker 25 and fixed link 23 to adapt to the suction of the second cell piece
The needs that disk 25 is overturn.Wherein, one end of the hose 27 connects the second cell piece sucker 25, and the other end is connected and fixed on bar 23
Endoporus, and the endoporus in fixed link 23 is connected by pipeline with vacuum pump 16.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (10)
1. a kind of cell piece switching mechanism of solar cell module production line, which is characterized in that including controller, be horizontally disposed with
Guide rail, set on the moving trolley that the guide rail upper edge guide rail moves horizontally, be mounted on the moving trolley on for up and down rise
The lower end of the electric elevator of drop, the electric elevator is equipped with scissor type telescopic component, the scissor type telescopic component packet
Include horizontally disposed frame, in the frame and can in the frame along the direction parallel with the guide rail stretch
Flexible frame module, the flexible frame module include a number of motion bar for being spaced apart and being mutually parallel, are connected to adjacent work
X-shaped scissor between lever, the X-shaped scissor include that a pair of intersect arranges and be equipped with stud connection in the infall
The both ends end of connecting rod, the connecting rod is equipped with axis pin, and the both ends of the motion bar are equipped with the sliding slot for installing the axis pin, institute
It states axis pin to be slidably mounted in the sliding slot, the lower end of the motion bar is connected with the first battery for cell piece to be sucked
Piece sucker and cell piece switching mechanism, the cell piece switching mechanism include the fixation for connecting and extending downwardly with motion bar
Bar, the stepper motor mounted on the fixed link lower end, the second cell piece sucker with the motor axis connection of the stepper motor,
The second cell piece sucker is driven by the stepper motor can go to the suction inlet of the second cell piece sucker towards upper
It sets and is faced with the suction inlet of the first cell piece sucker, the second cell piece sucker can be turned by stepper motor drive
To the sucking mouth down position of the second cell piece sucker, the moving trolley, stepper motor, electric elevator difference are electrical
Connect the controller.
2. a kind of cell piece switching mechanism of solar cell module production line according to claim 1, which is characterized in that
The one end for being located at the motion bar and the frame of flexible frame module one end in the flexible frame module is mutually fixed, the frame it is another
One end is equipped with the first electric pushrod, and the motion bar and described first of the flexible frame module other end is located in the flexible frame module
Electric pushrod is connected, and first electric pushrod connects controller.
3. a kind of cell piece switching mechanism of solar cell module production line according to claim 1, which is characterized in that
The both ends of the frame are respectively equipped with the first electric pushrod, the second electric pushrod, first electric pushrod, the second electric pushrod
It is connected respectively with the motion bar for being located at flexible frame module both ends in the flexible frame module, and first electric pushrod, the
Two electric pushrods are separately connected controller.
4. a kind of cell piece switching mechanism of solar cell module production line according to claim 1, which is characterized in that
The electric elevator is electric screw lifter, the elevating lever of the electric screw lifter and the scissor type telescopic group
Frame in part is connected.
5. a kind of cell piece switching mechanism of solar cell module production line according to claim 4, which is characterized in that
The electric screw lifter is duplex synchronization lifting electric screw lifter.
6. a kind of cell piece switching mechanism of solar cell module production line according to claim 1, which is characterized in that
The first cell piece sucker, the second cell piece sucker are vacuum cup.
7. a kind of cell piece switching mechanism of solar cell module production line according to claim 6, which is characterized in that
The moving trolley is equipped with vacuum pump, and the vacuum pump connects the vacuum cup, and the vacuum pump, electricity by solenoid valve
Magnet valve is separately connected controller.
8. a kind of cell piece switching mechanism of solar cell module production line according to claim 1, which is characterized in that
Laser range sensor for detecting moving trolley self-position is installed in the moving trolley, is equipped on the guide rail
The origin reference location block of ranging is carried out for laser range sensor, the controller connects laser range sensor.
9. a kind of cell piece switching mechanism of solar cell module production line according to claim 1, which is characterized in that
Limit switch for limiting moving trolley moving range is installed on the guide rail.
10. a kind of cell piece switching mechanism of solar cell module production line according to claim 1, feature exist
In the controller is PLC controller or Control System of Microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820280192.XU CN207909845U (en) | 2018-02-28 | 2018-02-28 | A kind of cell piece switching mechanism of solar cell module production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820280192.XU CN207909845U (en) | 2018-02-28 | 2018-02-28 | A kind of cell piece switching mechanism of solar cell module production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909845U true CN207909845U (en) | 2018-09-25 |
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ID=63560286
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|---|---|---|---|
| CN201820280192.XU Expired - Fee Related CN207909845U (en) | 2018-02-28 | 2018-02-28 | A kind of cell piece switching mechanism of solar cell module production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321102A (en) * | 2018-02-28 | 2018-07-24 | 无锡英富光能有限公司 | A kind of cell piece switching mechanism of solar cell module production line |
-
2018
- 2018-02-28 CN CN201820280192.XU patent/CN207909845U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321102A (en) * | 2018-02-28 | 2018-07-24 | 无锡英富光能有限公司 | A kind of cell piece switching mechanism of solar cell module production line |
| CN108321102B (en) * | 2018-02-28 | 2024-04-19 | 无锡英富光能有限公司 | Battery piece tilting mechanism of solar module production line |
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Granted publication date: 20180925 Termination date: 20210228 |