CN211438290U - Pole piece slitting equipment for lithium ion battery production - Google Patents
Pole piece slitting equipment for lithium ion battery production Download PDFInfo
- Publication number
- CN211438290U CN211438290U CN201921774837.6U CN201921774837U CN211438290U CN 211438290 U CN211438290 U CN 211438290U CN 201921774837 U CN201921774837 U CN 201921774837U CN 211438290 U CN211438290 U CN 211438290U
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- CN
- China
- Prior art keywords
- hydraulic piston
- pole piece
- fixedly connected
- lithium ion
- ion battery
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- 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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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
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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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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a lithium ion battery production facility technical field just discloses a lithium ion battery production is with pole piece equipment of cutting, comprises a workbench, the bottom fixedly connected with pneumatic cylinder of workstation, one side of pneumatic cylinder is equipped with inlet and liquid outlet in proper order, the equal fixedly connected with feed liquor pipe of end of inlet and liquid outlet, one side of workstation is equipped with draw-in groove one. This pole piece cutting equipment is used in lithium ion battery production, through the extension of hydraulic piston three, can make the clamp plate downstream and push down battery pole piece, through hydraulic piston four, hydraulic piston four can drive the cutting knife downstream, the cutting knife can cut battery pole piece, the length that accords with the requirement is cut into battery pole piece, and the clamp plate pushes down battery pole piece and makes battery pole piece can not take place to warp at the in-process of cutting, the incision of battery pole piece is more level and more smooth, the border position of pole piece can not produce the burr, the security performance of battery has been improved.
Description
Technical Field
The utility model relates to a lithium ion battery production facility technical field specifically is a lithium ion battery production is with pole piece equipment of cutting.
Background
The lithium ion battery takes a carbon material as a negative electrode and a compound containing lithium as a positive electrode, no metal lithium exists, only lithium ions exist, the lithium ion battery is a general name of a battery taking a lithium ion intercalation compound as a positive electrode material, the charge and discharge process of the lithium ion battery is the intercalation and deintercalation process of lithium ions, in the process of insertion and extraction of lithium ions, while insertion and extraction of electrons equivalent to lithium ions are accompanied (conventionally, a positive electrode is represented by insertion or extraction, and a negative electrode is represented by insertion or extraction), lithium ions are inserted/extracted and inserted/extracted back and forth between the positive and negative electrodes during the charge and discharge processes, which are figuratively called "rocking chair batteries", and thus, it can be seen that the positive and negative electrode sheets are core parts of the lithium ion batteries, in the production of lithium ion batteries, in order to meet the battery specification, the pole pieces of the lithium ion batteries need to be processed in strips.
At present, the reason such as the side cut burr of lithium ion battery pole piece, pollen and electrolyte invasion has led to the phenomenon such as pole piece stripping to influence lithium ion battery electrochemical performance and security performance, traditional automatic cutting machine can only cut the processing to the pole piece, and when dividing the strip processing to the pole piece, the pole piece is not hard up easily, curls in the cutting process moreover, makes the pole piece edge produce the burr, and the diaphragm can be punctureed to the burr for the inside short circuit of battery.
SUMMERY OF THE UTILITY MODEL
The not enough of equipment is cut with the pole piece to current lithium ion battery production, the utility model provides a lithium ion battery production is with pole piece equipment of cutting possesses the burr phenomenon that can improve pole piece trimming district to improve lithium ion battery's security performance's advantage, solved the problem that proposes in the above-mentioned background art.
The utility model provides a following technical scheme: the utility model provides an equipment is cut with pole piece to lithium ion battery production, includes the workstation, the bottom fixedly connected with pneumatic cylinder of workstation, one side of pneumatic cylinder is equipped with inlet and liquid outlet in proper order, the equal fixedly connected with feed liquor pipe in end of inlet and liquid outlet, one side of workstation is equipped with draw-in groove one, the equal fixedly connected with hydraulic piston one in both sides around the workstation top, both sides all are equipped with draw-in groove two around the workstation top, top one side fixedly connected with support frame of workstation.
Preferably, the middle part of the inner cavity of the first clamping groove is fixedly connected with a telescopic baffle, and the top end of the telescopic baffle is movably connected with the first clamping groove.
Preferably, the inner side of the second clamping groove is movably connected with a supporting block, the top of the supporting block is fixedly connected with a second hydraulic piston, and the tail end of the first hydraulic piston is fixedly connected with the second hydraulic piston.
Preferably, the support frame is located on the outer side of the first clamping groove, a third hydraulic piston is fixedly connected to the middle of the support frame, pressing plates are fixedly connected to two sides of the bottom of the third hydraulic piston, a fourth hydraulic piston is fixedly connected to the middle of the top of the third hydraulic piston, cutting knives are fixedly connected to the bottom of the fourth hydraulic piston, the pressing plates are located on two sides of the first clamping groove, and the cutting knives are located above the first clamping groove.
Preferably, one side of the first hydraulic piston, the second hydraulic piston, the third hydraulic piston and the fourth hydraulic piston is sequentially provided with a liquid inlet and a liquid outlet, and the liquid inlets and the liquid outlets on the first hydraulic piston, the second hydraulic piston, the third hydraulic piston and the fourth hydraulic piston are fixedly connected with the liquid outlet and the liquid inlet on the hydraulic cylinder through liquid inlet pipes.
With the contrast of pole piece cutting equipment for current lithium ion battery production, the utility model discloses possess following beneficial effect:
1. this pole piece cutting equipment is used in lithium ion battery production, through the extension of hydraulic piston three, can make the clamp plate downstream and push down battery pole piece, through hydraulic piston four, hydraulic piston four can drive the cutting knife downstream, the cutting knife can cut battery pole piece, the length that accords with the requirement is cut into battery pole piece, and the clamp plate pushes down battery pole piece and makes battery pole piece can not take place to warp at the in-process of cutting, the incision of battery pole piece is more level and more smooth, the border position of pole piece can not produce the burr, the security performance of battery has been improved.
2. This pole piece cutting equipment is used in lithium ion battery production, cooperation through two hydraulic piston two is used, can fix the battery pole piece of placing on the workstation, and the battery pole piece of different width can be fixed to two hydraulic piston two, through draw-in groove two and supporting shoe swing joint, the supporting shoe can remove in draw-in groove two, end and two fixed connection of hydraulic piston through hydraulic piston one, hydraulic piston one can drive two removals of hydraulic piston, two removals of battery pole piece can be taken to hydraulic piston, the equipment of being convenient for cuts the battery pole piece.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic side view of the structure of FIG. 1;
fig. 3 is a schematic top view of the structure workbench of the present invention.
In the figure: 1. a work table; 2. a hydraulic cylinder; 3. a liquid inlet; 4. a liquid outlet; 5. a liquid inlet pipe; 6. a first clamping groove; 7. a telescopic baffle; 8. a first hydraulic piston; 9. a second hydraulic piston; 10. a support frame; 11. pressing a plate; 12. a hydraulic piston III; 13. a hydraulic piston IV; 14. a cutting knife; 15. a second clamping groove; 16. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, a pole piece slitting device for lithium ion battery production, comprising a workbench 1, a battery pole piece to be cut can be placed through the workbench 1, a bottom fixedly connected with hydraulic cylinder 2 of the workbench 1, one side of the hydraulic cylinder 2 is sequentially provided with a liquid inlet 3 and a liquid outlet 4, the ends of the liquid inlet 3 and the liquid outlet 4 are respectively and fixedly connected with a liquid inlet pipe 5, one side of the workbench 1 is provided with a first clamping groove 6, through being provided with a first clamping groove 6, a cutter 14 for conveniently cutting the battery pole piece is provided, the front side and the rear side of the top of the workbench 1 are respectively and fixedly connected with a first hydraulic piston 8, the front side and the rear side of the top of the workbench 1 are respectively provided with a second clamping groove.
Wherein, the middle part fixedly connected with telescopic baffle 7 of the 6 inner chambers of draw-in groove, the top and the 6 swing joint of draw-in groove of telescopic baffle 7, through telescopic baffle 7, can inject the position of battery pole piece on workstation 1, the distance that the staff of being convenient for confirmed the pole piece and removed according to actual demand, this battery pole piece equipment of cutting can cut into the length that meets the requirements to the battery pole piece.
The inner side of the second clamping groove 15 is movably connected with a supporting block 16, the top of the supporting block 16 is fixedly connected with a second hydraulic piston 9, the tail end of a first hydraulic piston 8 is fixedly connected with the second hydraulic piston 9, the two hydraulic pistons are used in cooperation with the second hydraulic piston 9, a battery pole piece placed on the workbench 1 can be fixed on the workbench 1, the two hydraulic pistons 9 can fix battery pole pieces with different widths, the two clamping grooves 15 are movably connected with the supporting block 16, the supporting block 16 can move in the second clamping groove 15, the tail end of the first hydraulic piston 8 is fixedly connected with the second hydraulic piston 9, the first hydraulic piston 8 can drive the second hydraulic piston 9 to move, the second hydraulic piston 9 can drive the battery pole piece to move, and the device can conveniently cut the battery pole piece.
Wherein, the support frame 10 is located outside the first clamping groove 6, the middle part of the support frame 10 is fixedly connected with a third hydraulic piston 12, two sides of the bottom of the third hydraulic piston 12 are fixedly connected with a pressing plate 11, the middle part of the top of the third hydraulic piston 12 is fixedly connected with a fourth hydraulic piston 13, the bottom of the fourth hydraulic piston 13 is fixedly connected with a cutting knife 14, the pressing plate 11 is located on two sides of the first clamping groove 6, the cutting knife 14 is located above the first clamping groove 6, the pressing plate 11 can move downwards and press the battery pole piece through the extension of the third hydraulic piston 12, the fourth hydraulic piston 13 can drive the cutting knife 14 to move downwards, the cutting knife 14 can cut the battery pole piece, the battery pole piece is cut to the required length, and the pressing plate 11 presses the battery pole piece to ensure that the battery pole piece is not deformed in the cutting process, the cut of the battery pole piece is smoother, and the edge position, the safety performance of the battery is improved.
Wherein, one side of hydraulic piston one 8, hydraulic piston two 9, hydraulic piston three 12 and hydraulic piston four 13 all is equipped with inlet 3 and liquid outlet 4 in proper order, hydraulic piston one 8, hydraulic piston two 9, inlet 3 and liquid outlet 4 on hydraulic piston three 12 and the hydraulic piston four 13 are through feed liquor pipe 5 with liquid outlet 4 and the 3 fixed connection of inlet on the pneumatic cylinder 2, through pneumatic cylinder 2 and hydraulic piston one 8, hydraulic piston two 9, hydraulic piston three 12 and the connection setting of hydraulic piston four 13, hydraulic system can control hydraulic piston one 8, hydraulic piston two 9, the flexible of hydraulic piston three 12 and hydraulic piston four 13.
The working principle is as follows: when the battery pole piece cutting device is used, the extension of the telescopic baffle 7 is controlled, the tail end of the telescopic baffle 7 extends out of the first clamping groove 6, a battery pole piece is placed on the workbench 1, one end of the battery pole piece is in contact with the telescopic baffle 7, the hydraulic system controls the extension of the second hydraulic piston 9, the second hydraulic pistons 9 are matched with each other to fix the battery pole piece on the workbench 1, the telescopic baffle 7 is controlled to be retracted and restored, the hydraulic system controls the first hydraulic piston 8 to extend for the length required for cutting the battery pole piece, the first hydraulic piston 8 drives the second hydraulic piston 9 to move, the second hydraulic piston 9 drives the battery pole piece to move on the workbench 1, the hydraulic system controls the third hydraulic piston 12 to extend, the third hydraulic piston 12 controls the pressing plate 11 to move downwards to press the battery pole piece, the fourth hydraulic piston 13 extends, the fourth hydraulic piston 13 controls the fourth hydraulic piston 13 to move, hydraulic system control hydraulic piston four 13 is towards retrieving the recovery and is retrieved the normal position again, and hydraulic system replies three 12 of hydraulic piston and is towards retrieving the shrink, and the height that three 12 of hydraulic piston risees be convenient for battery sheet through can, the length that 8 extensions of hydraulic system control hydraulic piston need cut battery sheet, and hydraulic piston two 9 drive battery sheet continue to move to the below of cutting knife 14, the cutting knife 14 cutting of being convenient for.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a lithium ion battery production is with pole piece equipment of cutting, includes workstation (1), its characterized in that: the bottom fixedly connected with pneumatic cylinder (2) of workstation (1), one side of pneumatic cylinder (2) is equipped with inlet (3) and liquid outlet (4) in proper order, the equal fixedly connected with feed liquor pipe (5) in end of inlet (3) and liquid outlet (4), one side of workstation (1) is equipped with draw-in groove (6), equal fixedly connected with hydraulic piston (8) in both sides around workstation (1) top, both sides all are equipped with draw-in groove two (15) around workstation (1) top, top one side fixedly connected with support frame (10) of workstation (1).
2. The pole piece slitting equipment for lithium ion battery production of claim 1, characterized in that: the middle part of the inner cavity of the first clamping groove (6) is fixedly connected with a telescopic baffle (7), and the top end of the telescopic baffle (7) is movably connected with the first clamping groove (6).
3. The pole piece slitting equipment for lithium ion battery production of claim 1, characterized in that: the inner side of the second clamping groove (15) is movably connected with a supporting block (16), the top of the supporting block (16) is fixedly connected with a second hydraulic piston (9), and the tail end of the first hydraulic piston (8) is fixedly connected with the second hydraulic piston (9).
4. The pole piece slitting equipment for lithium ion battery production of claim 1, characterized in that: the support frame (10) is located the outside of draw-in groove (6), the middle part fixedly connected with hydraulic piston three (12) of support frame (10), the equal fixedly connected with clamp plate (11) in both sides of hydraulic piston three (12) bottom, the middle part fixedly connected with hydraulic piston four (13) at hydraulic piston three (12) top, the bottom fixedly connected with cutting knife (14) of hydraulic piston four (13), clamp plate (11) are located the both sides of draw-in groove (6), cutting knife (14) are located the top of draw-in groove (6).
5. The pole piece slitting equipment for lithium ion battery production of claim 1, characterized in that: one side of hydraulic piston one (8), hydraulic piston two (9), hydraulic piston three (12) and hydraulic piston four (13) all is equipped with inlet (3) and liquid outlet (4) in proper order, inlet (3) and liquid outlet (4) on hydraulic piston one (8), hydraulic piston two (9), hydraulic piston three (12) and hydraulic piston four (13) are through liquid outlet (4) and inlet (3) fixed connection on feed liquor pipe (5) and pneumatic cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774837.6U CN211438290U (en) | 2019-10-22 | 2019-10-22 | Pole piece slitting equipment for lithium ion battery production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774837.6U CN211438290U (en) | 2019-10-22 | 2019-10-22 | Pole piece slitting equipment for lithium ion battery production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211438290U true CN211438290U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921774837.6U Expired - Fee Related CN211438290U (en) | 2019-10-22 | 2019-10-22 | Pole piece slitting equipment for lithium ion battery production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211438290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025097896A1 (en) * | 2023-11-10 | 2025-05-15 | 宁德时代新能源科技股份有限公司 | Production device and production system |
-
2019
- 2019-10-22 CN CN201921774837.6U patent/CN211438290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025097896A1 (en) * | 2023-11-10 | 2025-05-15 | 宁德时代新能源科技股份有限公司 | Production device and production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20211022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |