CN215919240U - Edge cutting device for lithium battery production - Google Patents
Edge cutting device for lithium battery production Download PDFInfo
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- CN215919240U CN215919240U CN202121272520.XU CN202121272520U CN215919240U CN 215919240 U CN215919240 U CN 215919240U CN 202121272520 U CN202121272520 U CN 202121272520U CN 215919240 U CN215919240 U CN 215919240U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 39
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000005498 polishing Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims description 12
- 238000009966 trimming Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of lithium battery trimming, and particularly discloses a trimming device for lithium battery production, which comprises a workbench, wherein a first support frame is arranged above the workbench, the workbench is provided with a winding roller, a second support frame is arranged on the workbench, a second movement mechanism is arranged above the second support frame, the second movement mechanism comprises a chain, a chain wheel, a moving block and a cleaning support rod, a brush and a polishing rod are fixedly connected to the free end of the cleaning support rod, negative pressure fan support tubes are respectively arranged on two sides of the cleaning support rod, one side of each negative pressure fan support tube is communicated with a collection bag, a negative pressure fan is arranged at one end of each negative pressure fan support tube, a first movement mechanism is arranged on each first support frame, each first movement mechanism comprises a rotary disc and a blade support rod, an annular groove is formed in the rotary disc, a motor is fixedly connected to the first support frame, the rotary disc is fixedly connected to an output shaft of the motor, one end of each blade support rod is connected to the annular groove, be equipped with the blade on the blade bracing piece, this device has solved the poor problem of quality at pole piece cutting edge.
Description
Technical Field
The application relates to the technical field of lithium battery trimming, and particularly discloses a trimming device for lithium battery production.
Background
In the lithium ion battery cutting process, the quality of pole piece cutting edge has important influence to battery performance and quality, specifically includes: (1) burrs and impurities can cause short circuit in the battery and cause self-discharge and even thermal runaway; (2) the size precision is poor, the cathode can not be ensured to completely wrap the anode, or the diaphragm completely isolates the anode and cathode pole pieces, so that the safety problem of the battery is caused; (3) the material loses activity due to heat damage, coating falling off and the like, and cannot be used; (4) the unevenness of the cut edge causes the nonuniformity of the charge and discharge process of the pole piece. Therefore, the cutting process of the lithium ion battery pole piece is to prevent the problems from occurring and improve the process quality.
The Chinese patent application No. CN202021113096.X discloses a trimming device with a fixing mechanism for lithium battery production, which comprises a main frame, two electric cylinders, two trimming cutter devices and two lithium battery fixing devices, wherein the main frame is connected with the electric cylinders through bolts, the electric cylinders are connected with the trimming cutter devices through threads, and the trimming cutter devices are connected with the lithium battery fixing devices through bolts. This side cut device is used in lithium cell production with fixed establishment through having set up lithium cell fixing device, and through having connected electronic jar on the second support frame, has guaranteed the effect that can fasten the lithium cell in process of production, has solved the problem that needs the artificial fixed lithium cell in the current production process, has set up two side cut cutter devices through second support frame below, but this technique is limited only to the process of cutting edge, does not consider the quality of cutting edge. Therefore, the inventor proposes an edge cutting device for lithium battery production for solving the poor quality problem of pole piece cut edge.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of poor quality of the cut edge of the traditional pole piece.
In order to achieve the above object, the present invention provides the following basic solutions:
the utility model provides a lithium cell production is with side cut device which characterized in that: the pole piece winding device comprises a workbench, wherein a first support frame is symmetrically arranged above the workbench, a second support frame is arranged on the workbench and is perpendicular to the first support frame, a winding roller for winding pole pieces is arranged on one side, away from the first support frame, of the second support frame, a second movement mechanism is arranged on the second support frame and is positioned above the workbench, the second movement mechanism comprises a chain, a chain wheel, a moving block fixedly connected to the chain and a cleaning support rod, a brush for cleaning impurities and a polishing rod for polishing burrs are fixedly connected to the free end of the cleaning support rod, negative pressure fan support tubes are arranged on two sides of the cleaning support rod, a collection bag is communicated with one side of each negative pressure fan support tube, a negative pressure fan is fixedly connected to one end, away from the second movement mechanism, of each negative pressure fan support tube, and a first movement mechanism for cutting pole pieces is arranged on each first support frame, the first motion mechanism comprises a motor fixedly connected to the first support frame, a rotary disc fixedly connected to an output shaft of the motor and a blade support rod, an annular groove is formed in one end, facing the second motion mechanism, of the rotary disc, a convex block is fixedly connected to the annular groove, one end of the blade support rod is slidably connected to the annular groove, and a blade is arranged at the free end of the blade support rod.
The principle and effect of this basic scheme lie in:
1. compared with the prior art, this device has increased the clearance bracing piece on ordinary cutting device's basis, the brush, the stick of polishing, collect bag and negative-pressure air fan, burr and impurity can cause short circuit in the battery, cause the battery from discharging even thermal runaway, after accomplishing the cutting, the impurity on the pole piece can be clear away to the brush, the stick of polishing can polish the burr at cutting edge, negative-pressure air fan clears away the impurity that the brush cleaned off, and store impurity in collecting the bag, with this reduce the possibility of short circuit in the battery appears, the life of battery has been improved.
2. Compared with the prior art, this device is equipped with the wind-up roll, and the wind-up roll realizes the pole piece cutting automation with motor cooperation work, and the pole piece forms relative motion with the second motion at the in-process of rolling, can strengthen the clearance effect of stick and brush of polishing.
Compared with the prior art, the device emphasizes the cutting quality of the pole piece, reduces the probability of the problems of short circuit, uneven discharge and the like of the battery, and improves the service life of the battery.
Further, the length of the brush and the grinding rod is larger than the distance between the two blades. The length limitation ensures that the brush and sanding bar can brush to every position on the pole piece.
Further, the negative pressure fan is arranged between the blades. The work is finished under the condition of ensuring that the action of the blade is not influenced.
Further, the blade supporting rod is a telescopic rod. The distance between the two blades can be adjusted, and the cutting device is suitable for cutting pole pieces with different sizes.
Furthermore, a through hole for the moving block to enter is formed in the cleaning support rod, and the cleaning support rod is connected with the moving block in a sliding mode. The moving block is fixedly connected to the chain and moves along with the chain, and the moving block slides up and down in the through hole of the cleaning support rod to drive the cleaning support rod to do reciprocating motion.
Furthermore, a groove is additionally formed in the inner side wall of the rotary table, and a convex block capable of entering the additionally formed groove is arranged at one end of the blade supporting rod, which is in contact with the rotary table. The blade supporting rod is prevented from being separated from the rotary disc in the moving process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 shows a schematic diagram of an edge cutting device for lithium battery production according to an embodiment of the present application;
fig. 2 shows a top view of an edge cutting device for lithium battery production according to an embodiment of the present application;
fig. 3 shows a right side view of an edge cutting device for lithium battery production according to an embodiment of the present application;
fig. 4 shows a schematic structural diagram of a first movement mechanism in an edge cutting device for lithium battery production according to an embodiment of the present application;
fig. 5 shows a schematic structural diagram of a second movement mechanism in an edge cutting device for lithium battery production according to an embodiment of the present application.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the device comprises a workbench 1, a first support frame 2, a first movement mechanism 3, a blade support rod 4, a blade 5, a second movement mechanism 6, a second support frame 7, a cleaning support rod 8, a brush and polishing rod 9, a negative pressure fan 10, a negative pressure fan support tube 11 and a collection bag 12.
Examples are shown in fig. 1, 2 and 3:
the utility model provides a side cut device for lithium cell production, including workstation 1, the symmetry is equipped with first support frame 2 around 1 top of workstation, the workstation right side is equipped with the wind-up roll that is used for the rolling of cutting edge, all be equipped with first motion 3 on first support frame 2, 3 equal slidable connection in the inboard of first motion has blade bracing piece 4, blade bracing piece 4 is the telescopic link, can adjust the distance between two blades 5, be applicable to not unidimensional pole piece cutting, all be equipped with blade 5 on blade bracing piece 4, first motion 3 is intermittent motion mechanism, it is specific: the structure is as shown in fig. 4, the carousel rigid coupling is on the output shaft of motor, rotary motion is always done along with the motor, it has the ring channel to open on the carousel, the rigid coupling has a lug in the ring channel, the carousel inside wall has opened in addition the recess, blade bracing piece 4 is equipped with the fritter that can get into this groove of opening in addition with the one end of carousel contact, the fritter drives blade bracing piece 4 and moves in the recess, after blade bracing piece 4 moves the carousel top, because of the action of gravity, blade bracing piece 4 falls to the carousel bottommost fast with blade 5 together, accomplish the cutting action.
Perpendicular to first support frame 2 is equipped with second support frame 7 on the workstation 1, is equipped with second motion 6 on the second support frame 7, and second motion 6 is reciprocating motion, and is specific: the structure is shown in figure 5, a chain wheel is fixedly connected with an output shaft of a motor, the chain wheel rotates, the chain wheel is meshed with a chain, the chain rotates along with the chain wheel, a moving block fixedly connected with the chain also rotates, a through hole for the moving block to enter is formed in a cleaning supporting rod 8, the moving block is arranged in the through hole of the cleaning supporting rod 8, the cleaning supporting rod 8 is in sliding connection with the moving block, the moving block drives the cleaning supporting rod 8, a brush and a polishing rod 9, a collecting bag 12, negative pressure fan supporting tubes 11 at two ends and a negative pressure fan 10 to reciprocate to the position of a cut pole piece, a second movement mechanism 6 is connected with the cleaning supporting rod 8, the cleaning supporting rod 8 is connected with the brush and the polishing rod 9, the brush and the polishing rod 9 clean impurities on the pole piece and polish burrs on a cutting edge after cutting is completed, the length of the brush and the polishing rod 9 is larger than the distance between two blades 5, guarantee that brush and grinding rod 9 can brush each position on the pole piece, blade 5 and brush and grinding rod 9 during operation do not influence each other, clearance bracing piece 8 both sides all are equipped with collects bag 12, collect bag 12 and all connect negative-pressure air fan stay tube 11, all are equipped with negative-pressure air fan 10 on the negative-pressure air fan stay tube 11, negative-pressure air fan 10 locates between the blade 5, do not contact with blade 5, negative-pressure air fan 10 siphons away the impurity that brush and grinding rod 9 cleaned off, impurity storage is in collecting bag 12.
The specific implementation process comprises the following steps: firstly, placing a pole piece to be trimmed at the positions of two blades 5, tensioning the pole piece on a winding roller, and adjusting the distance between the two blades 5 according to the size of the pole piece; secondly, a motor is started, the rotary disc in the first movement mechanism 3 starts to rotate, a lug in the rotary disc drives a blade supporting rod 4 to rotate, after the blade supporting rod 4 moves to the top of the rotary disc, the blade supporting rod 4 and a blade 5 quickly descend to the bottommost part of the rotary disc due to the action of gravity, simultaneously, the cutting action is completed, the motor drives a chain wheel in the second movement mechanism 6 to rotate, the chain wheel is meshed with a chain, the chain rotates along with the chain wheel, a moving block fixedly connected to the chain also rotates along with the chain, the moving block is arranged in a groove of a cleaning supporting rod 8 and drives the cleaning supporting rod 8, a brush and a polishing rod 9, negative pressure fans supporting tubes 11 at two ends and a negative pressure fan 10 to reciprocate to the position of a cut pole piece, the brush 9 polishes surface impurities and cutting edge burrs on the pole piece, and the negative pressure fan 10 sucks redundant residues on the pole piece into a collecting bag 12, and finishing the high-quality cutting of the pole piece.
The technology can be used for improving the phenomena that burrs and impurities are easy to appear in the edge cutting process and the edge cutting size precision is poor, solving the problem that the quality of the traditional pole piece cutting edge is poor,
although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a lithium cell production is with side cut device which characterized in that: the pole piece winding device comprises a workbench, wherein a first support frame is symmetrically arranged above the workbench, a second support frame is arranged on the workbench and is perpendicular to the first support frame, a winding roller for winding pole pieces is arranged on one side, away from the first support frame, of the second support frame, a second movement mechanism is arranged on the second support frame and is positioned above the workbench, the second movement mechanism comprises a chain, a chain wheel, a moving block fixedly connected to the chain and a cleaning support rod, a brush for cleaning impurities and a polishing rod for polishing burrs are fixedly connected to the free end of the cleaning support rod, negative pressure fan support tubes are arranged on two sides of the cleaning support rod, a collection bag is communicated with one side of each negative pressure fan support tube, a negative pressure fan is fixedly connected to one end, away from the second movement mechanism, of each negative pressure fan support tube, and a first movement mechanism for cutting pole pieces is arranged on each first support frame, the first motion mechanism comprises a motor fixedly connected to the first support frame, a rotary disc fixedly connected to an output shaft of the motor and a blade support rod, an annular groove is formed in one end, facing the second motion mechanism, of the rotary disc, a convex block is fixedly connected to the annular groove, one end of the blade support rod is slidably connected to the annular groove, and a blade is arranged at the free end of the blade support rod.
2. The edge cutting device for lithium battery production as claimed in claim 1, wherein the length of the brush and the polishing rod is greater than the distance between the two blades.
3. The edge cutting device for lithium battery production as claimed in claim 1, wherein the negative pressure fan is arranged between the blades.
4. The edge cutting device for lithium battery production as claimed in claim 1, wherein the blade support rod is a telescopic rod.
5. The edge cutting device for lithium battery production as claimed in claim 1, wherein the cleaning support rod is provided with a through hole for the moving block to enter, and the cleaning support rod is connected with the moving block in a sliding manner.
6. The edge cutting device for lithium battery production as claimed in claim 1, wherein the inner side wall of the turntable is additionally provided with a groove, and one end of the blade support rod contacting the turntable is provided with a projection capable of entering the additionally provided groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121272520.XU CN215919240U (en) | 2021-06-08 | 2021-06-08 | Edge cutting device for lithium battery production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121272520.XU CN215919240U (en) | 2021-06-08 | 2021-06-08 | Edge cutting device for lithium battery production |
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| Publication Number | Publication Date |
|---|---|
| CN215919240U true CN215919240U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121272520.XU Active CN215919240U (en) | 2021-06-08 | 2021-06-08 | Edge cutting device for lithium battery production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115020652A (en) * | 2022-05-24 | 2022-09-06 | 福建永安市永清石墨烯研究院有限公司 | Graphene pole piece processing device for lithium battery |
-
2021
- 2021-06-08 CN CN202121272520.XU patent/CN215919240U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115020652A (en) * | 2022-05-24 | 2022-09-06 | 福建永安市永清石墨烯研究院有限公司 | Graphene pole piece processing device for lithium battery |
| CN115020652B (en) * | 2022-05-24 | 2024-01-02 | 福建永安市永清石墨烯研究院有限公司 | Graphene pole piece processing device for lithium battery |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231115 Address after: 844000, Room 201, Building A34, Phase III, Shenzhen Industrial Park, Kashgar Economic Development Zone, Kashgar Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Jiujiang New Energy Technology Co.,Ltd. Address before: 330000 room 701, unit 3, building 4, Nannong commercial and residential building, No. 714, Jinggangshan Avenue, Qingyunpu District, Nanchang City, Jiangxi Province Patentee before: Jiangxi zhizaibide Network Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |