CN107946532B - Lithium battery sheet-making equipment - Google Patents
Lithium battery sheet-making equipment Download PDFInfo
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- CN107946532B CN107946532B CN201711187662.4A CN201711187662A CN107946532B CN 107946532 B CN107946532 B CN 107946532B CN 201711187662 A CN201711187662 A CN 201711187662A CN 107946532 B CN107946532 B CN 107946532B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses lithium battery sheet-making equipment which comprises a pole piece unreeling mechanism, a pole lug feeding mechanism, a pole lug welding mechanism and a pole lug gluing mechanism, wherein the pole piece unreeling mechanism comprises a support, a first unreeling wheel and a base, the first unreeling wheel is installed on the support, the support is slidably arranged on the base, two sliding rails are arranged on the base, two sliding grooves matched with the sliding rails are formed in the support, a lead screw for driving the support to move is arranged between the two sliding rails, and a motor for driving the lead screw to rotate is arranged on the base. According to the lithium battery sheet manufacturing equipment, the rod and the motor can drive the first unwinding wheel to align according to the detected position of the pole piece, automatic deviation rectification is realized, the consistency of the welding positions of the pole lugs is ensured, and the deviation rectification is performed at the source, so that the stress of the pole piece is reduced, and the pole piece is effectively prevented from being pulled apart.
Description
Technical Field
The invention relates to lithium battery sheet manufacturing equipment.
Background
In the battery production equipment, in order to ensure the accuracy of the pole piece in the welding or riveting of the pole lug and the rubberizing position, a deviation correcting device is arranged. The existing deviation correcting device is separately arranged in a transmission line of a pole piece, for example, between an unwinding mechanism and a welding mechanism, two pressing wheels which are arranged up and down and can move relatively are generally adopted. In the conveying process of the pole piece, when the deviation detection device finds that the pole piece is inclined, a signal is sent out, the upper pinch roller moves downwards, the lower pinch roller is pressed downwards, the pole piece is clamped by the upper pinch roller and the lower pinch roller, and the position of the pole piece is readjusted according to the deviation condition of the pole piece. However, the deviation correcting device has the following disadvantages: in the deviation rectifying process, the pole piece is moved after being clamped by two pressing wheels which move relatively, so that the phenomenon of breaking the pole piece is easy to occur, and inconvenience is brought to automatic production.
Disclosure of Invention
The invention aims to solve the technical problems and provides lithium battery sheet-making equipment which has a deviation rectifying function and can prevent a pole piece from being pulled apart.
The invention is realized by the following technical scheme:
a lithium battery sheet-making device comprises a pole piece unreeling mechanism, a pole lug feeding mechanism, a pole lug welding mechanism and a pole lug rubberizing mechanism, wherein the pole lug rubberizing mechanism comprises a rubberizing vertical plate, and a glue feeding assembly, a lifting assembly, a pressing assembly and a glue cutting assembly which are arranged on the rubberizing vertical plate; the pole piece unreeling mechanism comprises a support, a first unreeling wheel and a base, wherein the first unreeling wheel is installed on the support, the support is slidably arranged on the base, two sliding rails are arranged on the base, two sliding grooves matched with the sliding rails are formed in the support, a lead screw for driving the support to move is arranged between the two sliding rails, and a motor for driving the lead screw to rotate is arranged on the base; the lug feeding mechanism comprises a supporting seat, an installation frame and a second unwinding wheel, the second unwinding wheel is installed on the installation frame, the installation frame is slidably arranged on the supporting seat, a guide rail is arranged on the base, a guide groove matched with the guide rail is formed in the installation frame, the installation frame and the supporting seat are locked and fixed through a set screw, a threaded hole matched with the set screw is formed in the supporting seat, and a U-shaped opening for accommodating the set screw is formed in the installation frame; the tensioning device is characterized in that a tensioning assembly is arranged on the mounting frame and comprises a sliding rod, a sliding block, a tensioning wheel and a limiting block, the sliding block is installed on the sliding rod, the tensioning wheel is fixed on the sliding block, a limiting protrusion is arranged on the sliding block, and the limiting block is fixed on the mounting frame and provided with an opening for accommodating the limiting protrusion to move.
Furthermore, a movable wheel assembly and two fixed wheels are arranged on the support, the movable wheel assembly is arranged between the two fixed wheels, the movable wheel assembly comprises a movable roller and a swing rod, one end of the swing rod is hinged to the support, the movable roller is fixed to the other end of the swing rod, and an arc-shaped groove for accommodating the movable roller is formed in the support; and a rotary encoder for measuring the rotation quantity of the oscillating bar is arranged on the bracket.
Further, the second unreels the wheel and includes back shaft, first (holding) chuck, second (holding) chuck, reset spring, latch segment and mount pad, the mount pad sets up the one end at the back shaft, first (holding) chuck, second (holding) chuck and latch segment cover are established in proper order on the back shaft, first (holding) chuck slidable ground sets up on the back shaft, reset spring's both ends are connected with mount pad and first (holding) chuck respectively, the latch segment crimping is connected fixedly on the second (holding) chuck and through locking screw and back shaft, be equipped with first through-hole, second through-hole and conversion passageway on the second (holding) chuck, conversion passageway intercommunication first through-hole and second through-hole, the diameter of first through-hole equals with the diameter of back shaft, the width of conversion passageway equals with the diameter of first through-hole, the diameter of second through-hole is greater than the diameter of back shaft.
Furthermore, a groove for accommodating the locking block is formed in the second chuck, and the inner wall of the groove is abutted against the locking block.
Further, install the buffer memory subassembly on the mounting bracket, the buffer memory subassembly includes the carousel and installs two buffer memory gyro wheels on the carousel.
The beneficial effects are that: compared with the prior art, a lithium battery production equipment, lead screw and motor can be based on the first unwinding wheel of pole piece position drive that detects and aim at, realize rectifying automatically, guarantee utmost point ear welding position's uniformity, owing to rectify at the source, have reduced the atress of pole piece, prevent effectively that the pole piece from being torn.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic view showing the construction of a battery producing apparatus according to the present invention;
FIG. 2 is a schematic structural view of a bottom welding mold according to the present invention;
FIG. 3 is a perspective view of the pole piece unwinding mechanism of the present invention;
fig. 4 is a schematic structural view of a tab feeding mechanism according to the present invention;
FIG. 5 is a schematic view of the tension assembly of the present invention;
FIG. 6 is a schematic structural view of a second unwinding wheel according to the present invention;
FIG. 7 is a schematic view of a second chuck according to the present invention;
FIG. 8 is a front view of the pole piece unwinding mechanism of the present invention;
FIG. 9 is a schematic view of the movable wheel assembly and rotary encoder of the present invention.
Detailed Description
As shown in fig. 1 and 2, a lithium battery sheet-making device includes a pole piece unreeling mechanism 100, a pole tab feeding mechanism, a pole tab welding mechanism 200 and a pole tab rubberizing mechanism 300, where the pole tab rubberizing mechanism 300 includes a rubberizing vertical plate, and a glue feeding assembly, a lifting assembly, a pressing assembly and a glue cutting assembly mounted on the rubberizing vertical plate, the pole tab welding mechanism 200 includes a first cylinder, a welding assembly and a bottom welding mold, the welding assembly is disposed above the bottom welding mold, the first cylinder drives the welding assembly to move up and down, the bottom welding mold includes a welding platform 201 and two transition rollers 202, and the two transition rollers 202 are respectively disposed at a feed end and a discharge end of the welding platform 201; the tab welding mechanism 200 is provided with an optical fiber sensor, the pole piece unreeling mechanism 100 and the tab feeding mechanism are driven by a servo motor 106, and the pole pieces are conveyed in a rolling manner through the servo motor 106 and the optical fiber sensor, so that the length of the pole pieces and the tab welding position are accurately controlled. The tab welding mechanism 200 uses ultrasonic welding to ensure the welding quality. The tab gluing mechanism 300 comprises an upper gluing component and a lower gluing component, and gluing is simultaneously performed on the upper surface and the lower surface. The tab gluing mechanism 300 conveys the glue paper through the rodless cylinder, adjusts the stroke of the rodless cylinder and controls the length of the glue paper. The tab feeding mechanism is disposed behind the tab welding mechanism 200 in fig. 1, and is not shown because it is shielded.
As shown in fig. 3, the pole piece unwinding mechanism 100 includes a support 101, a first unwinding wheel 102 and a base 103, the first unwinding wheel 102 is mounted on the support 101, the support 101 is slidably disposed on the base 103, two slide rails 104 are disposed on the base 103, two slide grooves matched with the slide rails 104 are disposed on the support 101, a lead screw 105 for driving the support 101 to move is disposed between the two slide rails 104, and a motor 106 for driving the lead screw 105 to rotate is disposed on the base 103; the lead screw 105 and the motor 106 can drive the unwinding wheel 3 to align according to the detected position of the pole piece, so that automatic deviation correction is realized, the consistency of the welding positions of the pole lugs is ensured, and the deviation correction is performed at the source, so that the stress of the pole piece is reduced, and the pole piece is effectively prevented from being pulled apart.
Further, as shown in fig. 8 and 9, a movable wheel assembly and two fixed wheels 1004 are arranged on the bracket 101, the movable wheel assembly is arranged between the two fixed wheels 1004, the movable wheel assembly comprises a movable roller 1031 and a swinging rod 1032, one end of the swinging rod 1032 is hinged on the bracket 101, the movable roller 1031 is fixed on the other end of the swinging rod 1032, and an arc-shaped groove 1011 for accommodating the movable roller 1031 is arranged on the bracket 101; the bracket 101 is provided with a rotary encoder 1005 for measuring the rotation amount of the swing link 1032. The arc groove 1011 extends the setting along the direction of two tight pulley 1004 lines of perpendicular to, and when the material was too long in transmission process, activity gyro wheel 1031 removed along arc groove 1011, increased the material length between two tight pulley 1004, stores partly unnecessary material promptly, through setting up the movable pulley subassembly, can store one section pole piece material area, guarantees to send the stability of process of area. The rotary encoder 1005 can feed back the current state of the movable wheel assembly, so as to adjust the discharging speed.
As shown in fig. 4 and 5, the tab feeding mechanism includes a supporting seat 1, an installation frame 2 and a second unwinding wheel 3, the second unwinding wheel 3 is installed on the installation frame 2, the installation frame 2 is slidably disposed on the supporting seat 1, a guide rail is disposed on the base 103, a guide groove matched with the guide rail is disposed on the installation frame 2, the installation frame 2 and the supporting seat 1 are locked and fixed by a set screw, a threaded hole 11 matched with the set screw is disposed on the supporting seat 1, and a U-shaped opening 21 for accommodating the set screw is disposed on the installation frame 2; the mounting frame 2 is provided with a tensioning assembly, the tensioning assembly comprises a sliding rod 41, a sliding block 42, a tensioning wheel 43 and a limiting block 44, the sliding block 42 is mounted on the sliding rod 41, the tensioning wheel 43 is fixed on the sliding block 42, the sliding block 42 is provided with a limiting protrusion, and the limiting block 44 is fixed on the mounting frame 2 and is provided with an opening for accommodating the movement of the limiting protrusion. Through slide rail 104 and spout connection supporting seat 1 and mounting bracket 2, mounting bracket 2 can be when the utmost point ear of processing different specifications, adjust its and supporting seat 1 position relation to can not change its direction, the change adjustment of being convenient for, it is easy and simple to handle.
Further, as shown in fig. 6 and 7, the second unreeling wheel 3 includes a supporting shaft 31, a first chuck 32, a second chuck 33, a return spring 36, a locking block 34 and a mounting seat, the mounting seat is disposed at one end of the supporting shaft 31, the first chuck 32, the second chuck 33 and the locking block 34 are sequentially sleeved on the supporting shaft 31, the first chuck 32 is slidably disposed on the supporting shaft 31, two ends of the return spring 36 are respectively connected with the mounting seat and the first chuck 32, the locking block 34 is pressed on the second chuck 33 and is connected and fixed with the supporting shaft 31 through a locking screw, the second chuck 33 is provided with a first through hole 331, a second through hole 332 and a switching channel 333, the switching channel is communicated with the first through hole 331 and the second through hole 332, the diameter of the first through hole 331 is equal to that of the supporting shaft 31, the width of the switching channel 333 is equal to that of the first through hole 331, the diameter of the second through hole 332 is larger than that of the support shaft 31. By arranging the first through hole 331, the second through hole 332 and the switching channel 333 on the second chuck 33, when the second chuck 33 needs to be detached or mounted, the second through hole 332 is in clearance fit with the support shaft 31, so that the second chuck 33 can move conveniently; when the second chuck 33 needs to be fixed, the supporting shaft 31 is transferred from the second through hole 332 to the first through hole 331 through the switching channel 333 and is tightly matched with the first through hole 331, so that the tab is fixed between the first chuck 32 and the second chuck 33, the tab is integrally and conveniently clamped, and the operation is simple and convenient.
Further, a groove 334 for accommodating the locking block 34 is formed on the second chuck 33, and an inner wall of the groove 334 abuts against the locking block 34. By providing the groove 334 to cooperate with the locking block 34, the second chuck 33 is more tightly connected with the locking block 34, the second chuck 33 is prevented from loosening and the support shaft 31 is prevented from being automatically transferred from the first through hole 331 to the second through hole 332. Of course, the recess 334 may not be provided, and in this case, the second through hole 332 only needs to be placed below the first through hole 331.
Further, the mounting seat includes a flange 351 and an adjusting block 352, the flange 351 is fixed at one end of the supporting shaft 31, the adjusting block 352 is slidably disposed on the supporting shaft 31 and is fixedly connected with the supporting shaft 31 by a locking screw, and two ends of the return spring 36 are respectively connected with the adjusting block 352 and the first chuck 32. The first chuck plate 32 is slidably disposed on the supporting shaft 31, and the first chuck plate 32 is pressed on the tab through the return spring 36, so that the whole device can automatically adjust the position according to tabs with different widths, and the application range is wider. The pressure of the first chuck plate 32 against the tab can be adjusted by sliding the adjustment block 352.
Further, install buffer memory subassembly on mounting bracket 2, buffer memory subassembly includes carousel 45 and installs two buffer memory gyro wheels 46 on carousel 45. The two buffer rollers 46 are respectively positioned on two opposite surfaces of the lug, the length of the lug wound on the two buffer rollers 46 can be changed by rotating the rotary table 45, the purpose of storage is achieved, and the stability of the belt conveying process is ensured.
The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.
Claims (4)
1. A lithium battery sheet-making device comprises a pole piece unreeling mechanism, a pole lug feeding mechanism, a pole lug welding mechanism and a pole lug rubberizing mechanism, wherein the pole lug rubberizing mechanism comprises a rubberizing vertical plate, and a glue feeding assembly, a lifting assembly, a pressing assembly and a glue cutting assembly which are arranged on the rubberizing vertical plate; the pole piece unreeling mechanism comprises a support, a first unreeling wheel and a base, wherein the first unreeling wheel is installed on the support, the support is slidably arranged on the base, two sliding rails are arranged on the base, two sliding grooves matched with the sliding rails are formed in the support, a lead screw for driving the support to move is arranged between the two sliding rails, and a motor for driving the lead screw to rotate is arranged on the base; the lug feeding mechanism comprises a supporting seat, an installation frame and a second unwinding wheel, the second unwinding wheel is installed on the installation frame, the installation frame is slidably arranged on the supporting seat, a guide rail is arranged on the supporting seat, a guide groove matched with the guide rail is formed in the installation frame, the installation frame and the supporting seat are locked and fixed through a set screw, a threaded hole matched with the set screw is formed in the supporting seat, and a U-shaped opening for accommodating the set screw is formed in the installation frame; the mounting frame is provided with a tensioning assembly, the tensioning assembly comprises a sliding rod, a sliding block, a tensioning wheel and a limiting block, the sliding block is mounted on the sliding rod, the tensioning wheel is fixed on the sliding block, the sliding block is provided with a limiting protrusion, and the limiting block is fixed on the mounting frame and provided with an opening for accommodating the movement of the limiting protrusion; the mounting frame is slidably arranged on the supporting seat, and the position relation between the mounting frame and the supporting frame can be adjusted so as to meet the processing requirements of the lugs with different specifications without changing the direction of the lugs; the second unreels the wheel and includes back shaft, first (holding) chuck, second (holding) chuck, reset spring, latch segment and mount pad, the mount pad sets up the one end at the back shaft, first (holding) chuck, second (holding) chuck and latch segment cover are established in proper order on the back shaft, first (holding) chuck slidable ground sets up on the back shaft, reset spring's both ends are connected with mount pad and first (holding) chuck respectively, the latch segment crimping is connected fixedly on the second (holding) chuck and through locking screw and back shaft, be equipped with first through-hole, second through-hole and conversion passageway on the second (holding) chuck, conversion passageway intercommunication first through-hole and second through-hole, the diameter of first through-hole equals with the diameter of back shaft, the width of conversion passageway equals with the diameter of first through-hole, the diameter of second through-hole is greater than the diameter of back shaft.
2. The lithium battery sheet-making equipment according to claim 1, wherein the support is provided with a movable wheel assembly and two fixed wheels, the movable wheel assembly is arranged between the two fixed wheels, the movable wheel assembly comprises a movable roller and a swing rod, one end of the swing rod is hinged on the support, the movable roller is fixed on the other end of the swing rod, and the support is provided with an arc-shaped groove for accommodating the movable roller; and a rotary encoder for measuring the rotation quantity of the oscillating bar is arranged on the bracket.
3. The lithium battery production equipment as claimed in claim 1, wherein the second chuck is provided with a groove for accommodating the locking block, and the inner wall of the groove abuts against the locking block.
4. The lithium battery tabletting equipment according to claim 1, wherein the mounting frame is provided with a buffer assembly, and the buffer assembly comprises a turntable and two buffer rollers arranged on the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711187662.4A CN107946532B (en) | 2017-11-24 | 2017-11-24 | Lithium battery sheet-making equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711187662.4A CN107946532B (en) | 2017-11-24 | 2017-11-24 | Lithium battery sheet-making equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946532A CN107946532A (en) | 2018-04-20 |
| CN107946532B true CN107946532B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711187662.4A Active CN107946532B (en) | 2017-11-24 | 2017-11-24 | Lithium battery sheet-making equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494410B (en) * | 2018-10-26 | 2021-12-07 | 深圳市中基自动化有限公司 | Battery cell tab aligning mechanism |
| CN109455554A (en) * | 2018-11-20 | 2019-03-12 | 深圳市诚捷智能装备股份有限公司 | Battery film-making winding device |
| CN109980267A (en) * | 2019-04-23 | 2019-07-05 | 东莞市一铭自动化设备科技有限公司 | A kind of battery film-making cutting integration machine |
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| CN203636362U (en) * | 2013-11-29 | 2014-06-11 | 东莞市鸿宝锂电科技有限公司 | Automatic lug welding mechanism |
| CN104009249A (en) * | 2014-06-05 | 2014-08-27 | 深圳市赢合科技股份有限公司 | Reeling machine |
| KR20150130793A (en) * | 2014-05-14 | 2015-11-24 | 주식회사 노바 | Apparatus for fastening fuel cell stack |
| CN206516712U (en) * | 2017-01-13 | 2017-09-22 | 宁德新能源科技有限公司 | The deviation correcting device of cell polar ear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102306744B (en) * | 2011-08-26 | 2013-09-25 | 深圳市赢合科技股份有限公司 | Electrode sheet forming machine |
| CN104934566B (en) * | 2014-03-19 | 2017-08-01 | 东莞市雅康精密机械有限公司 | Pelleter |
| CN104681882B (en) * | 2015-02-13 | 2017-05-03 | 上海素朴智能设备制造有限公司 | Full-automatic storage battery piece wrapping distribution machine |
| CN204991887U (en) * | 2015-09-30 | 2016-01-20 | 山东齐星新能源科技有限责任公司 | Manual rubberizing device of lithium ion aluminum -shell battery |
| CN105293133B (en) * | 2015-11-09 | 2017-08-15 | 轻工业自动化研究所 | A kind of conveying of coiled strip redirects device |
| CN205335361U (en) * | 2016-01-08 | 2016-06-22 | 东莞市爱康电子科技有限公司 | Gummed paper machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203636362U (en) * | 2013-11-29 | 2014-06-11 | 东莞市鸿宝锂电科技有限公司 | Automatic lug welding mechanism |
| KR20150130793A (en) * | 2014-05-14 | 2015-11-24 | 주식회사 노바 | Apparatus for fastening fuel cell stack |
| CN104009249A (en) * | 2014-06-05 | 2014-08-27 | 深圳市赢合科技股份有限公司 | Reeling machine |
| CN206516712U (en) * | 2017-01-13 | 2017-09-22 | 宁德新能源科技有限公司 | The deviation correcting device of cell polar ear |
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| CN107946532A (en) | 2018-04-20 |
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Denomination of invention: Lithium battery production equipment Effective date of registration: 20221212 Granted publication date: 20201110 Pledgee: Xinhui Branch of China Construction Bank Co.,Ltd. Pledgor: GUANGDONG NANDA ROBOT Co.,Ltd. Registration number: Y2022980026621 |
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