CN212485395U - Intermediate frequency uncoiling and heating system for lithium battery pole piece - Google Patents
Intermediate frequency uncoiling and heating system for lithium battery pole piece Download PDFInfo
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- CN212485395U CN212485395U CN202021249242.1U CN202021249242U CN212485395U CN 212485395 U CN212485395 U CN 212485395U CN 202021249242 U CN202021249242 U CN 202021249242U CN 212485395 U CN212485395 U CN 212485395U
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- pole piece
- uncoiling
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 74
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 17
- 229910052744 lithium Inorganic materials 0.000 title claims description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 114
- 238000003825 pressing Methods 0.000 claims description 22
- 238000004804 winding Methods 0.000 abstract description 45
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 9
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 9
- 238000001035 drying Methods 0.000 abstract description 8
- 238000007669 thermal treatment Methods 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a heating system is opened a book to lithium-ion battery pole piece intermediate frequency, including unwinding mechanism, heating mechanism and winding mechanism, unwinding mechanism heating mechanism reaches winding mechanism arranges in proper order, heating mechanism includes roller subassembly and a plurality of intermediate frequency heating module, the roller subassembly includes a plurality of rollers, and the pole piece is through a plurality of the roller, it is a plurality of intermediate frequency heating module sets up the pole piece is through a plurality of on the route of roller, the pole piece is through a plurality of intermediate frequency heating module heating. The utility model discloses a medium frequency heating module carries out drying or thermal treatment to bare electrode pole piece or pole piece substrate, simple structure, and the programming rate is fast, and drying or thermal treatment time are short, and work efficiency is high, easily realizes automatic work.
Description
Technical Field
The utility model relates to a lithium cell production and processing equipment technical field, specific theory relates to a heating system is opened a book to lithium-ion battery pole piece intermediate frequency.
Background
Compared with the traditional storage battery, the lithium ion battery has the excellent performance advantages of high working voltage, long cycle life and the like; these excellent properties are largely derived from the fact that the working system of the lithium ion battery belongs to a non-aqueous electrochemical system, and therefore, in order to manufacture the lithium ion battery with excellent properties, the drying of the battery, particularly the pole piece, is required. In the conventional production of the lithium ion battery, the pole piece and the winding core of the lithium ion battery are required to be baked in an oven for several hours to tens of hours, and the water content of the battery before final liquid injection is often higher than 100ppm, so that the time and labor are wasted, and the effect is poor.
In order to improve the heating process of the lithium battery pole piece, in the prior art, manufacturers adopt a mode of heating by using an oil roller and circulating hot air to dry or thermally treat the lithium battery pole piece, but the mode has the disadvantages of slow heating speed, long heating time, low heating efficiency, high cost and large equipment volume, and cannot meet the requirements of high efficiency and energy conservation of the conventional drying or thermal treatment of the lithium battery pole piece.
The above drawbacks are to be improved.
Disclosure of Invention
In order to overcome the not enough of current technique, the utility model provides a heating system is opened a book to lithium-ion battery pole piece intermediate frequency.
The utility model discloses technical scheme as follows:
a medium-frequency uncoiling and heating system for a lithium battery pole piece is characterized by comprising an uncoiling mechanism, a heating mechanism and a coiling mechanism, wherein the uncoiling mechanism, the heating mechanism and the coiling mechanism are sequentially arranged,
the heating mechanism comprises a roller shaft assembly and a plurality of medium-frequency heating modules, the roller shaft assembly comprises a plurality of roller shafts, a pole piece passes through the plurality of roller shafts, the plurality of medium-frequency heating modules are arranged on a path of the pole piece passing through the plurality of roller shafts, and the pole piece is heated by the plurality of medium-frequency heating modules.
According to above scheme the utility model discloses, a serial communication port, unwinding mechanism is including opening the spool and opening a book the motor, open a book the motor with opening the spool rotates to be connected and drive opening the spool is rotatory.
Further, the winding mechanism comprises a winding shaft and a winding motor, and the winding motor is connected with the winding shaft and drives the winding shaft to rotate.
Further, the axle of opening the scroll with the rolling axle all includes the one end open-ended cavity axis body, cavity axis body side relative position is provided with spacing hole, it is downthehole to have installed the tight piece that expands, and is relative the tight piece inboard that expands is the wedge face, expand tight piece with cavity axis body elastic connection, the internal ejector pin that is provided with of cavity axis, the ejector pin corresponds the position of the tight piece that expands is provided with the wedge ejector pad, ejector pin one end inwards with the inboard elastic connection of cavity axis body closed end face.
Furthermore, a first belt connecting mechanism is arranged between the uncoiling mechanism and the heating mechanism, and a second belt connecting mechanism is arranged between the heating mechanism and the coiling mechanism.
Furthermore, the first belt splicing mechanism and the second belt splicing mechanism respectively comprise a pressing block and a pressing cylinder, the pressing block is used for pressing the pole pieces, and the pressing cylinder is in driving connection with the pressing block and is used for pressing the pole pieces.
Furthermore, be provided with on the decoiler shaft and be used for with the first mechanism of rectifying of the position of pole piece, be provided with the first sensor of rectifying between decoiler mechanism and the first tape splicing mechanism, the first sensor of rectifying with first mechanism electric connection of rectifying.
Furthermore, a second deviation rectifying mechanism used for rectifying the position of the pole piece is arranged on the winding shaft, a second deviation rectifying sensor is arranged between the winding mechanism and the second belt connecting mechanism, and the second deviation rectifying sensor is electrically connected with the second deviation rectifying mechanism.
Further, the device also comprises a plurality of rollers, wherein the rollers are arranged at two ends of the first belt connecting mechanism and the second belt connecting mechanism.
Furthermore, swing rollers are arranged at two ends of the roller shaft assembly, and the pole pieces pass through the swing rollers.
The beneficial effects of the utility model reside in that:
when the utility model is used, the pole piece on the pole piece charging barrel to be heated is manually pulled to the winding charging barrel from the uncoiling mechanism through the heating mechanism and the winding mechanism in sequence, then the system is started, the uncoiling speed of the uncoiling mechanism and the winding speed of the winding mechanism are adjusted to be consistent, and the system can realize repeated efficient drying or heat treatment operation; the utility model adopts the intermediate frequency heating module to replace the existing mode of adding circulating hot air by the oil roller to dry or thermally treat the bare cell pole piece or the pole piece substrate, the structure is simpler, and the equipment volume is small; meanwhile, the intermediate-frequency heating module is high in heating speed, can rapidly heat to a specified temperature, is short in heating time, greatly saves drying or heat treatment time, improves working efficiency, easily realizes automatic work, and greatly saves manpower and material resources.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a heating mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an uncoiling mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a winding mechanism according to an embodiment of the present invention;
in the context of the figures, it is,
1. an uncoiling mechanism; 11. unwinding the reel; 12. an uncoiling motor; 13. a first deviation correcting mechanism; 14. a first deviation correction sensor;
2. a heating mechanism; 21. A medium-frequency heating module; 22. a roll shaft; 23. swinging the roller;
3. a winding mechanism; 31. a winding shaft; 32. a winding motor; 33. a second deviation correcting mechanism; 34. a second deviation-correcting sensor;
4. a first splicing mechanism; 41. a compression block; 42. a pressing cylinder;
5. a second splicing mechanism;
10. and (6) pole pieces.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail.
As shown in fig. 1, the embodiment of the utility model provides a heating system is opened a book to lithium-ion battery pole piece intermediate frequency, including being used for the unwinding mechanism 1 that will wait to heat the pole piece feed cylinder expansion, being used for heating mechanism 2 with pole piece 10 heating and being used for the winding mechanism 3 with pole piece 10 rolling to the winding feed cylinder after the heating, unwinding mechanism 1, heating mechanism 2 and winding mechanism 3 arrange in proper order, and the unwinding speed of unwinding mechanism 1 is unanimous with winding mechanism 3's winding speed. During the use, the manual work will wait to heat pole piece 10 on the pole piece feed cylinder and draw it to the rolling feed cylinder through heating mechanism 2 and winding mechanism 3 in proper order from unwinding mechanism 1, then with the system start, the speed of opening a book of adjustment unwinding mechanism 1 reaches unanimity with winding mechanism 3's winding speed, and this system can realize repeated efficient drying or thermal treatment operation.
As shown in fig. 2, in this embodiment, the heating mechanism 2 includes a roller assembly and a plurality of intermediate frequency heating modules 21, the roller assembly includes a plurality of rollers 22 arranged at intervals up and down, the pole piece 10 passes through the plurality of rollers 22 at intervals in sequence, the plurality of intermediate frequency heating modules 21 are arranged at intervals on a path of the plurality of rollers 22 through which the pole piece 10 passes, the pole piece 10 is heated by the plurality of intermediate frequency heating modules 21 in sequence, and the intermediate frequency heating modules 21 dry or thermally treat the pole piece 10 by means of electromagnetic induction. The utility model adopts the intermediate frequency heating module 21 to replace the existing mode of adding circulating hot air by the oil roller to dry or thermally treat the bare cell pole piece or the pole piece substrate, the structure is simpler, and the equipment volume is small; meanwhile, the intermediate-frequency heating module 21 is high in heating speed, can rapidly heat to a specified temperature, is short in heating time, greatly saves drying or heat treatment time, improves working efficiency, is easy to realize automatic work, and greatly saves manpower and material resources. In addition, in order to ensure the tension of the pole piece 10, swing rollers 23 are arranged at two ends of the roller shaft assembly, and the pole piece 10 passes through the swing rollers 23.
As shown in fig. 3, in the present embodiment, the unwinding mechanism 1 includes an unwinding shaft 11 and an unwinding motor 12, the pole piece barrel is sleeved on the unwinding shaft 11, and the unwinding motor 12 is rotatably connected to the unwinding shaft 11 and drives the unwinding shaft 11 to rotate. In addition, in order to push out the empty cartridges, a cartridge push-out mechanism for pushing out the empty cartridges is provided on the unwinding shaft 11.
As shown in fig. 4, in this embodiment, the winding mechanism 3 includes a winding shaft 31 and a winding motor 32, the winding cylinder is sleeved on the winding shaft 31, the heated pole piece 10 is wound on the winding cylinder, and the winding motor 32 is connected to the winding shaft 31 and drives the winding shaft 31 to rotate.
In this embodiment, the unwinding shaft 11 and the winding shaft 31 both include an open-ended hollow shaft body, and the relative position of hollow shaft body side is provided with spacing hole, has installed the tight piece that expands in the spacing hole, and the tight piece inboard that expands relatively is the wedge face, and the tight piece that expands and hollow shaft body elastic connection, the internal ejector pin that is provided with of hollow shaft, the position that the ejector pin corresponds the tight piece that expands is provided with the wedge ejector pad, the inboard one end and the inboard elastic connection of hollow shaft body closed end face of ejector pin.
In this embodiment, the winding mechanism 3 may further include a winding pressing roller, the winding pressing roller includes a rubber roller and a swing shaft, the swing shaft is located above the winding shaft 31, and the rubber roller and the swing shaft are connected through a swing rod and interact with the winding shaft 31 to compact the pole piece 10.
In this embodiment, a first tape splicing mechanism 4 is provided between the unwinding mechanism 1 and the heating mechanism 2, and a second tape splicing mechanism 5 is provided between the heating mechanism 2 and the winding mechanism 3. The first tape splicing mechanism 4 and the second tape splicing mechanism 5 both comprise a pressing block 41 and a pressing air cylinder 42 for pressing the pole piece 10, and the pressing air cylinder 42 is in driving connection with the pressing block 41 for pressing the pole piece 10.
In this embodiment, the unwinding shaft 11 is provided with a first deviation rectifying mechanism 13 for rectifying the position of the pole piece 10, a first deviation rectifying sensor 14 is disposed between the unwinding mechanism 1 and the first splicing mechanism 4, and the first deviation rectifying sensor 14 is electrically connected to the first deviation rectifying mechanism 13. A second deviation rectifying mechanism 33 for rectifying the position of the pole piece 10 is arranged on the winding shaft 31, a second deviation rectifying sensor 34 is arranged between the winding mechanism 3 and the second tape splicing mechanism 5, and the second deviation rectifying sensor 34 is electrically connected with the second deviation rectifying mechanism 33. Because of the pole piece feed cylinder is opening a book or rolling in-process because mechanical structure's vibration or other factors lead to pole piece 10 position to produce the deviation, the heating of assurance pole piece 10 that can not be fine, consequently set up this problem of solution that the sensor of rectifying and the mechanism of rectifying can be fine, when the sensor of rectifying senses the pole piece position and produces the deviation, the mechanism of rectifying just can adjust 11 positions of opening the spool and rectify a deviation.
In this embodiment, a plurality of rollers are further included, and the rollers are disposed at two ends of the first belt splicing mechanism 4 and the second belt splicing mechanism 5.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.
Claims (10)
1. A medium-frequency uncoiling and heating system for a lithium battery pole piece is characterized by comprising an uncoiling mechanism, a heating mechanism and a coiling mechanism, wherein the uncoiling mechanism, the heating mechanism and the coiling mechanism are sequentially arranged,
the heating mechanism comprises a roller shaft assembly and a plurality of medium-frequency heating modules, the roller shaft assembly comprises a plurality of roller shafts, a pole piece passes through the plurality of roller shafts, the plurality of medium-frequency heating modules are arranged on a path of the pole piece passing through the plurality of roller shafts, and the pole piece is heated by the plurality of medium-frequency heating modules.
2. The intermediate-frequency uncoiling heating system for the lithium battery pole piece according to claim 1, wherein the uncoiling mechanism comprises an uncoiling shaft and an uncoiling motor, and the uncoiling motor is rotatably connected with the uncoiling shaft and drives the uncoiling shaft to rotate.
3. The intermediate-frequency uncoiling heating system for the lithium battery pole piece according to claim 2, wherein the coiling mechanism comprises a coiling shaft and a coiling motor, and the coiling motor is connected with the coiling shaft and drives the coiling shaft to rotate.
4. The medium-frequency uncoiling and heating system for the lithium battery pole piece according to claim 3, wherein the uncoiling shaft and the coiling shaft each comprise a hollow shaft body with an open end, a limiting hole is formed in a side surface of the hollow shaft body at a position opposite to the side surface of the hollow shaft body, an expansion block is arranged in the limiting hole, a wedge-shaped surface is arranged on the inner side of the opposite expansion block, the expansion block is elastically connected with the hollow shaft body, a push rod is arranged in the hollow shaft body, a wedge-shaped push block is arranged at a position of the push rod corresponding to the expansion block, and one inward end of the push rod is elastically connected with the inner side of the closed end surface of.
5. The intermediate-frequency uncoiling and heating system for the lithium battery pole piece according to claim 3, wherein a first tape splicing mechanism is arranged between the uncoiling mechanism and the heating mechanism, and a second tape splicing mechanism is arranged between the heating mechanism and the coiling mechanism.
6. The intermediate-frequency uncoiling heating system for the lithium battery pole piece according to claim 5, wherein the first tape splicing mechanism and the second tape splicing mechanism each comprise a pressing block and a pressing cylinder for pressing the pole piece, and the pressing cylinder is in driving connection with the pressing block for pressing the pole piece.
7. The intermediate-frequency uncoiling and heating system for the lithium battery pole piece as claimed in claim 5, wherein a first deviation rectifying mechanism for rectifying the position of the pole piece is arranged on the uncoiling shaft, a first deviation rectifying sensor is arranged between the uncoiling mechanism and the first tape splicing mechanism, and the first deviation rectifying sensor is electrically connected with the first deviation rectifying mechanism.
8. The intermediate-frequency uncoiling and heating system for the lithium battery pole piece according to claim 5, wherein a second deviation rectifying mechanism for rectifying the position of the pole piece is arranged on the coiling shaft, a second deviation rectifying sensor is arranged between the coiling mechanism and the second tape splicing mechanism, and the second deviation rectifying sensor is electrically connected with the second deviation rectifying mechanism.
9. The mid-frequency uncoiling heating system for the lithium battery pole piece according to claim 5, further comprising a plurality of passing rollers, wherein the passing rollers are arranged at two ends of the first tape splicing mechanism and the second tape splicing mechanism.
10. The medium-frequency uncoiling heating system for the lithium battery pole piece according to claim 1, wherein swing rollers are arranged at two ends of the roller shaft assembly, and the pole piece passes through the swing rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249242.1U CN212485395U (en) | 2020-06-30 | 2020-06-30 | Intermediate frequency uncoiling and heating system for lithium battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249242.1U CN212485395U (en) | 2020-06-30 | 2020-06-30 | Intermediate frequency uncoiling and heating system for lithium battery pole piece |
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| Publication Number | Publication Date |
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| CN212485395U true CN212485395U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021249242.1U Active CN212485395U (en) | 2020-06-30 | 2020-06-30 | Intermediate frequency uncoiling and heating system for lithium battery pole piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668555A (en) * | 2020-06-30 | 2020-09-15 | 广东坤川实业有限公司 | A lithium battery pole piece intermediate frequency unwinding heating system |
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2020
- 2020-06-30 CN CN202021249242.1U patent/CN212485395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668555A (en) * | 2020-06-30 | 2020-09-15 | 广东坤川实业有限公司 | A lithium battery pole piece intermediate frequency unwinding heating system |
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