CN109802065B - Soft package power lithium ion battery clamping device - Google Patents
Soft package power lithium ion battery clamping device Download PDFInfo
- Publication number
- CN109802065B CN109802065B CN201910037935.XA CN201910037935A CN109802065B CN 109802065 B CN109802065 B CN 109802065B CN 201910037935 A CN201910037935 A CN 201910037935A CN 109802065 B CN109802065 B CN 109802065B
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- Prior art keywords
- battery tray
- clamp
- component
- battery
- tab
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Soft package power lithium ion battery clamping device includes: a mechanism base plate having a horizontal processing plane for processing the battery; the tab clamp adjusting component comprises a mounting frame, a tab clamp clamping cylinder and a tab clamp; the battery position adjusting device comprises a battery tray supporting part for fixing a battery tray and a battery tray position adjusting part for adjusting the relative position between the battery tray and the tab clamp; and the tab clamp, the battery tray position adjusting component, the wire bundle component and the battery tray supporting component are all in signal connection with the signal output end of the pneumatic control component, so that the pneumatic control component can control the tab clamp, the tab clamp compressing cylinder component and the wire bundle component. The beneficial effects of the invention are as follows: the battery tab and the tab clamp can be accurately positioned, so that the battery tab and the tab clamp can be smoothly contacted, and the battery tab and the tab clamp can be tightly contacted.
Description
Technical Field
The invention relates to a soft package power lithium ion battery clamping device, and belongs to the technical field of lithium ion battery manufacturing.
Background
In the production process of the soft-package lithium ion battery, formation and capacity division are very important procedures. The formation is to activate the internal activity of the battery by using the energy of electricity, and form an SEI film on the negative electrode of the battery, so that the formation equipment with good quality can ensure that the battery has better charge-discharge performance and cycle life; the capacity division is to perform several full-load charge-discharge cycle processes on the activated batteries, test AC/DC internal resistance, charge-discharge voltage, constant-current discharge, constant-voltage discharge and constant-power discharge curves, group the batteries with the same electric parameters to select the batteries for series-parallel connection application, and reduce the short-circuit effect after battery combination.
However, the existing soft package power lithium ion battery formation pressurizing tray has the defect that the constant pressure of the pressurizing tray has no legal battery position due to the design principle. The traditional component clamping movement mechanism and the battery tab cannot be accurately contacted.
Disclosure of Invention
In order to overcome the defects of the movement mechanism in the use process, the soft package power lithium ion battery clamping device with accurate contact and accurate positioning of the electrode lugs is provided.
The invention relates to a soft package power lithium ion battery clamping device, which is characterized by comprising:
a mechanism base plate having a horizontal processing plane for processing the battery;
The pole lug clamp adjusting component comprises a mounting frame, a pole lug clamp clamping cylinder and a pole lug clamp, wherein the bottom of the mounting frame is fixedly connected to a horizontal processing plane, a row of pole lug clamp clamping cylinders are horizontally arranged on the upper part of the mounting frame, and the movable end of the pole lug clamp clamping cylinder is connected with the pole lug clamp through a transmission piece; the electrode lug clamp is axially provided with a plurality of electrode lug clamping grid blocks, the electrode lug clamp is driven by an electrode lug clamp clamping cylinder to axially compress or stretch along the electrode lug clamping grid blocks, and positive and negative electrode lugs of a lithium ion battery arranged in the electrode lug clamping grid blocks are clamped by adjusting the width of the electrode lug clamping grid blocks of the electrode lug clamp; the lug clamp is electrically connected with an external charging and discharging working power supply through a wire bundle assembly and is used for dividing the battery into components;
The battery position adjusting device comprises a battery tray supporting part for fixing a battery tray and a battery tray position adjusting part for adjusting the relative position between the battery tray and the lug clamp, wherein the battery tray position adjusting part is arranged on a horizontal processing plane of a mechanism bottom plate in a supporting way, and the movable end of the battery tray position adjusting part is kept to horizontally reciprocate towards the lug clamp; the bottom of the battery tray supporting component is in sliding connection with the horizontal processing plane, and the bottom of the battery tray supporting component is fixedly connected with the movable end of the battery tray position adjusting component, so that the battery tray supporting component moves towards or away from the tab clamp under the driving of the battery tray position adjusting component;
And the tab clamp, the battery tray position adjusting component, the wire bundle component and the battery tray supporting component are all in signal connection with the signal output end of the pneumatic control component, so that the pneumatic control component can control the tab clamp, the tab clamp compressing cylinder component and the wire bundle component.
The battery tray supporting component comprises a battery tray supporting frame and a positioning stop block, wherein the bottom of the battery tray supporting frame is in sliding connection with the horizontal processing plane and is connected with the movable end of the battery tray position adjusting component on one side of the tab clamp through a transmission piece, so that the battery tray supporting frame is driven by the battery tray position adjusting component to be close to or far away from the tab clamp; the edge of the battery tray supporting frame is provided with a positioning stop block for limiting the position of the battery tray arranged on the battery tray supporting frame.
The two sets of battery tray support frames are symmetrically distributed on two sides of the battery tray position adjusting component respectively, the two sets of battery tray support frames are in sliding connection with the horizontal processing plane, and the sliding direction of the battery tray support frames is consistent with the moving track direction of the movable end of the battery tray position adjusting component; the two sets of battery tray support frames are connected with the movable end of the battery tray position adjusting component, so that the two sets of battery tray support frames linearly reciprocate under the drive of the same set of battery tray position adjusting component.
Two guide rails which are horizontally arranged and parallel to each other are paved on the horizontal processing plane, and the two guide rails are axially perpendicular to the lug clamp.
The battery tray position adjusting component comprises a horizontal moving cylinder component, a transmission piece and a stop block, wherein the horizontal moving cylinder component is arranged on a horizontal processing plane of a mechanism bottom plate in a supporting mode, and the movable end face of the horizontal moving cylinder component is kept to linearly reciprocate along the horizontal processing plane towards the lug clamp; the movable end of the horizontal moving cylinder component is connected with the bottom of the battery tray supporting frame through a transmission piece; the stop block is detachably arranged on a horizontal machining plane between the blocking part of the horizontal moving cylinder part and the lug clamp adjusting part, a blocking surface is arranged on one surface of the stop block, which faces the blocking part of the horizontal moving cylinder part, and the horizontal moving distance of the battery tray position adjusting part is limited by adjusting the mounting position of the stop block on the horizontal machining plane.
The driving medium is a connecting rod, and the two ends of the connecting rod are respectively connected with the battery tray supporting frames on the same side.
The tab clamp adjusting part further comprises a first positioning piece and a plurality of second positioning members, wherein the first positioning members are arranged at one end of the tab clamp, and the end of the first positioning members exceeds the end of the clamping part of the tab clamp; the second positioning member is horizontally arranged on the mounting frame along the axial direction of the tab clamp, and the tip end of the second positioning member exceeds the end part of the clamping part of the tab clamp.
The second positioning members are arranged in pairs in a group, and are horizontally arranged on the mounting frame along the axial direction of the tab clamp at equal intervals.
The beneficial effects of the invention are as follows: the battery tab and the tab clamp can be accurately positioned, so that the battery tab and the tab clamp can be smoothly contacted, and the battery tab and the tab clamp can be tightly contacted.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a right side view of the present invention.
Fig. 5 is a top view of the present invention.
Detailed Description
The invention is further described below with reference to the drawings.
Referring to the drawings:
embodiment 1 the soft package power lithium ion battery clamping device of the invention comprises:
a mechanism base plate 1 having a horizontal processing plane for processing the battery;
The tab clamp adjusting part 2 comprises a mounting frame 21, a tab clamp clamping cylinder 22 for connecting a battery tab with a tab clamp in a contact manner and a tab clamp 23 for clamping positive and negative electrode tabs of a lithium ion battery, wherein the bottom of the mounting frame 21 is fixedly connected to a horizontal processing plane, a row of tab clamp clamping cylinders 22 are horizontally arranged at the upper part of the mounting frame 21, and the movable ends of the tab clamp clamping cylinders 22 are connected with the tab clamp 23 through transmission parts; the tab clamp 23 is provided with a plurality of tab clamping blocks along the axial direction, the tab clamp 23 is driven by the tab clamp clamping cylinder 22 to axially compress or stretch along the self axial direction, and the tab clamping block width of the tab clamp is adjusted to clamp positive and negative electrode tabs of the lithium ion battery arranged in the tab clamping block; the lug clamp is electrically connected with an external charging and discharging working power supply through a wire bundle assembly and is used for dividing the battery into components;
The battery position adjusting device 3 comprises a battery tray supporting part 31 for fixing a battery tray and a battery tray position adjusting part 32 for adjusting the relative position between the battery tray and the tab clamp, wherein the battery tray position adjusting part 32 is arranged on a horizontal processing plane of the mechanism bottom plate 1 in a supporting way, and the movable end of the battery tray position adjusting part 32 is kept to horizontally reciprocate towards the tab clamp; the bottom of the battery tray supporting member 31 is slidably connected with the horizontal processing plane, and the bottom of the battery tray supporting member 31 is fixedly connected with the movable end of the battery tray position adjusting member, so that the battery tray supporting member moves towards or away from the tab clamp under the driving of the battery tray position adjusting member;
And the pneumatic control device 4, the tab clamp 23, the battery tray position adjusting component 32, the wire harness component and the battery tray supporting component 31 are all in signal connection with the signal output end of the pneumatic control component 4, so that the pneumatic control component 4 can control the tab clamp 23, the tab clamp compressing cylinder component 22 and the battery tray position adjusting component 32.
The battery tray supporting part 31 comprises a battery tray supporting frame 311 and a positioning stop block 312, wherein the bottom of the battery tray supporting frame 311 is in sliding connection with the horizontal processing plane and is connected with the movable end of the battery tray position adjusting part 32 at one side of the tab clamp through a transmission part, so that the battery tray supporting frame 311 is driven by the battery tray position adjusting part to be close to or far away from the tab clamp; the edge of the battery tray support 311 is provided with a positioning stop block 312 for limiting the position of the battery tray arranged on the battery tray support.
The two sets of battery tray support frames 311 are symmetrically distributed on two sides of the battery tray position adjusting component 32 respectively, the two sets of battery tray support frames 311 are both in sliding connection with the horizontal processing plane, and the sliding direction of the battery tray support frames 311 is consistent with the moving track direction of the movable end of the battery tray position adjusting component; the two sets of battery tray supporting frames 311 are connected with the movable ends of the battery tray position adjusting components 32, so that the two sets of battery tray supporting frames 311 are driven by the same set of battery tray position adjusting components to linearly reciprocate.
Two guide rails 11 which are horizontally arranged and parallel to each other are paved on the horizontal processing plane, and the two guide rails 11 are axially perpendicular to the lug clamp 23.
The battery tray position adjusting component 32 comprises a horizontal moving cylinder component 321, a transmission piece 322 and a stop block 323, wherein the horizontal moving cylinder component 321 is arranged on a horizontal processing plane of the mechanism bottom plate 1 in a supporting mode, and the movable end face of the horizontal moving cylinder component 321 is kept to linearly reciprocate along the horizontal processing plane towards the tab clamp 23; the movable end of the horizontal moving cylinder component 321 is connected with the bottom of the battery tray supporting frame 311 through a transmission piece 322; the stop block 323 is detachably mounted on a horizontal processing plane between the blocking part of the horizontal moving cylinder part 321 and the tab clamp adjusting part, a blocking surface is arranged on one surface of the stop block 323 facing the blocking part of the horizontal moving cylinder part 321, and the mounting position of the stop block 323 on the horizontal processing plane is adjusted to limit the horizontal moving distance of the battery tray position adjusting part 32.
The transmission piece 322 is a connecting rod, and two ends of the connecting rod are respectively connected with the battery tray support frames 311 on the same side.
The tab clamp adjusting part 2 further comprises a first positioning piece 24 and a plurality of sets of second positioning members 25, wherein the first positioning member 24 is arranged at one end part of the tab clamp 23, and the end part of the first positioning member 24 exceeds the end part of the clamping part of the tab clamp 23; the second positioning member 25 is horizontally mounted on the mounting frame 21 along the axial direction of the tab clamp, the end of the second positioning member 25 exceeds the end of the clamping part of the tab clamp, and the end of the first positioning member 24 and the end of the second positioning member 25 face the battery tray.
The second positioning members 25 are arranged in pairs, and are horizontally arranged on the mounting frame 21 along the axial direction of the tab clamp at equal intervals.
Embodiment 2 in the soft package power lithium ion battery clamping device of the invention: the tab clamp is used for clamping positive and negative electrode tabs of the lithium ion battery; the electrode lug clamp pressing cylinder component is used for connecting the battery electrode lug with the electrode lug clamp in a contact way; the tab clamp adjusting device is used for adjusting the tab clamp spacing; the battery tray support frame is used for supporting the battery tray; the horizontal moving cylinder part is used for moving the battery tray support frame to the clamp adjusting part; the lug clamp, the lug clamp pressing cylinder part and the horizontal movement cylinder part of the battery tray support frame are controlled by the pneumatic control part.
The mechanism bottom plate is a reference basic component of the whole soft package power lithium ion battery forming component division clamping movement mechanism, the horizontal movement cylinder component is arranged on the mechanism bottom plate, and the battery tray support frame is arranged on the horizontal movement cylinder component.
The utility model provides a battery pack power lithium ion battery chemical component holds and adorns motion mechanism, including mechanism bottom plate, battery lug clamp adjusting part, lug clamp contact connection, lug clamp hold-down cylinder part, battery tray support frame, battery lug clamp adjusting part, battery lug clamp, battery lug clamp and battery lug, the positive and negative pole of battery lug is located between the lug clamp at both ends, lug clamp hold-down cylinder part, lug clamp and battery lug in close contact with under the effect of lug clamp hold-down cylinder part, be equipped with the dog that is used for restricting horizontal migration distance on the horizontal machining plane between horizontal migration cylinder part and the mounting bracket, the removable the dog satisfies different length dimension's battery, has improved the compatibility of soft packet power lithium ion battery chemical component holds and adorns motion mechanism to different battery sizes.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.
Claims (2)
1. Soft packet of power lithium ion battery clamping device, its characterized in that includes:
a mechanism base plate having a horizontal processing plane for processing the battery;
The pole lug clamp adjusting component comprises a mounting frame, a pole lug clamp clamping cylinder and a pole lug clamp, wherein the bottom of the mounting frame is fixedly connected to a horizontal processing plane, a row of pole lug clamp clamping cylinders are horizontally arranged on the upper part of the mounting frame, and the movable end of the pole lug clamp clamping cylinder is connected with the pole lug clamp through a transmission piece; the electrode lug clamp is axially provided with a plurality of electrode lug clamping grid blocks, the electrode lug clamp is driven by an electrode lug clamp clamping cylinder to axially compress or stretch along the electrode lug clamping grid blocks, and positive and negative electrode lugs of a lithium ion battery arranged in the electrode lug clamping grid blocks are clamped by adjusting the width of the electrode lug clamping grid blocks of the electrode lug clamp; the lug clamp is electrically connected with an external charging and discharging working power supply through a wire bundle assembly and is used for dividing the battery into components;
The battery position adjusting device comprises a battery tray supporting part for fixing a battery tray and a battery tray position adjusting part for adjusting the relative position between the battery tray and the lug clamp, wherein the battery tray position adjusting part is arranged on a horizontal processing plane of a mechanism bottom plate in a supporting way, and the movable end of the battery tray position adjusting part is kept to horizontally reciprocate towards the lug clamp; the bottom of the battery tray supporting component is in sliding connection with the horizontal processing plane, and the bottom of the battery tray supporting component is fixedly connected with the movable end of the battery tray position adjusting component, so that the battery tray supporting component moves towards or away from the tab clamp under the driving of the battery tray position adjusting component;
The electrode lug clamp, the battery tray position adjusting component, the wire bundle component and the battery tray supporting component are connected with the signal output end of the pneumatic control component in a signal manner, so that the pneumatic control component can control the electrode lug clamp, the electrode lug clamp compressing cylinder component and the wire bundle component;
The battery tray supporting component comprises a battery tray supporting frame and a positioning stop block, wherein the bottom of the battery tray supporting frame is in sliding connection with the horizontal processing plane and is connected with the movable end of the battery tray position adjusting component on one side of the tab clamp through a transmission piece, so that the battery tray supporting frame is driven by the battery tray position adjusting component to be close to or far away from the tab clamp; the edge of the battery tray supporting frame is provided with a positioning stop block for limiting the position of a battery tray arranged on the battery tray supporting frame;
the two sets of battery tray support frames are symmetrically distributed on two sides of the battery tray position adjusting component respectively, the two sets of battery tray support frames are in sliding connection with the horizontal processing plane, and the sliding direction of the battery tray support frames is consistent with the moving track direction of the movable end of the battery tray position adjusting component; the two sets of battery tray support frames are connected with the movable end of the battery tray position adjusting component, so that the two sets of battery tray support frames linearly reciprocate under the drive of the same set of battery tray position adjusting component;
Two guide rails which are horizontally arranged and parallel to each other are paved on the horizontal processing plane, and the two guide rails are axially perpendicular to the lug clamp;
The battery tray position adjusting component comprises a horizontal moving cylinder component, a transmission piece and a stop block, wherein the horizontal moving cylinder component is arranged on a horizontal processing plane of a mechanism bottom plate in a supporting mode, and the movable end face of the horizontal moving cylinder component is kept to linearly reciprocate along the horizontal processing plane towards the lug clamp; the movable end of the horizontal moving cylinder component is connected with the bottom of the battery tray supporting frame through a transmission piece; the stop block is detachably arranged on a horizontal processing plane between the blocking part of the horizontal moving cylinder part and the lug clamp adjusting part, a blocking surface is arranged on one surface of the stop block facing the blocking part of the horizontal moving cylinder part, and the horizontal moving distance of the battery tray position adjusting part is limited by adjusting the mounting position of the stop block on the horizontal processing plane;
the transmission part is a connecting rod, and two ends of the connecting rod are respectively connected with the battery tray supporting frames on the same side;
The tab clamp adjusting part further comprises a first positioning piece and a plurality of second positioning members, wherein the first positioning members are arranged at one end of the tab clamp, and the end of the first positioning members exceeds the end of the clamping part of the tab clamp; the second positioning member is horizontally arranged on the mounting frame along the axial direction of the tab clamp, and the tip end of the second positioning member exceeds the end part of the clamping part of the tab clamp.
2. The soft pack powered lithium ion battery clamping device of claim 1, wherein: the second positioning members are arranged in pairs in a group, and are horizontally arranged on the mounting frame along the axial direction of the tab clamp at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037935.XA CN109802065B (en) | 2019-01-16 | 2019-01-16 | Soft package power lithium ion battery clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037935.XA CN109802065B (en) | 2019-01-16 | 2019-01-16 | Soft package power lithium ion battery clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109802065A CN109802065A (en) | 2019-05-24 |
| CN109802065B true CN109802065B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910037935.XA Active CN109802065B (en) | 2019-01-16 | 2019-01-16 | Soft package power lithium ion battery clamping device |
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| CN (1) | CN109802065B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558948A (en) * | 2019-09-18 | 2020-08-21 | 深圳市今天国际物流技术股份有限公司 | Square aluminum shell power battery manipulator |
| CN113458996A (en) * | 2021-06-18 | 2021-10-01 | 浙江杭可科技股份有限公司 | Square battery formation pressurizing positioning device |
| CN114122594B (en) * | 2021-11-23 | 2022-05-20 | 安徽省大江新能源有限公司 | Installation and adjustment method of battery energy storage power station |
Citations (3)
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|---|---|---|---|---|
| CN203260689U (en) * | 2013-03-22 | 2013-10-30 | 天津力神电池股份有限公司 | Clamping tool simultaneously used for charge and discharge of aluminum shell and flexible-package laminated lithium ion batteries |
| CN207398303U (en) * | 2017-09-19 | 2018-05-22 | 浙江杭可科技股份有限公司 | Soft Roll lithium polymer battery charge-discharge machine |
| CN209691872U (en) * | 2019-01-16 | 2019-11-26 | 浙江杭可科技股份有限公司 | Soft package power lithium ion battery clamping device |
-
2019
- 2019-01-16 CN CN201910037935.XA patent/CN109802065B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203260689U (en) * | 2013-03-22 | 2013-10-30 | 天津力神电池股份有限公司 | Clamping tool simultaneously used for charge and discharge of aluminum shell and flexible-package laminated lithium ion batteries |
| CN207398303U (en) * | 2017-09-19 | 2018-05-22 | 浙江杭可科技股份有限公司 | Soft Roll lithium polymer battery charge-discharge machine |
| CN209691872U (en) * | 2019-01-16 | 2019-11-26 | 浙江杭可科技股份有限公司 | Soft package power lithium ion battery clamping device |
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| CN109802065A (en) | 2019-05-24 |
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