CN212485365U - Electromagnetic uncoiling heating system for lithium battery pole piece - Google Patents
Electromagnetic uncoiling heating system for lithium battery pole piece Download PDFInfo
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- CN212485365U CN212485365U CN202021319077.2U CN202021319077U CN212485365U CN 212485365 U CN212485365 U CN 212485365U CN 202021319077 U CN202021319077 U CN 202021319077U CN 212485365 U CN212485365 U CN 212485365U
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- uncoiling
- pole piece
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- heating
- lithium battery
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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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Abstract
The utility model discloses a heating system is opened a book to lithium battery pole piece electromagnetism, including unwinding mechanism, heating mechanism and winding mechanism, unwinding mechanism heating mechanism reaches winding mechanism arranges in proper order, heating mechanism includes a plurality of electromagnetic heating roller, and the pole piece is through a plurality of electromagnetic heating roller's surface heating, electromagnetic heating roller includes that a metal urceolus that has the inner chamber and one installs inner tube in the inner chamber, the outer peripheral surface of inner tube has solenoid around the system, solenoid external power supply control module. The utility model discloses an electromagnetic heating roller replaces current oil roller to add circulating hot air's mode to carry 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 electromagnetism.
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 electromagnetism.
The utility model discloses technical scheme as follows:
an electromagnetic uncoiling and heating system for a lithium battery pole piece comprises an uncoiling mechanism, a heating mechanism and a coiling mechanism, wherein the uncoiling mechanism, the heating mechanism and the coiling mechanism are arranged in sequence,
the heating mechanism comprises a plurality of electromagnetic heating rollers, the pole pieces are heated by the surfaces of the electromagnetic heating rollers, each electromagnetic heating roller comprises a metal outer cylinder with an inner cavity and an inner cylinder installed in the inner cavity, an electromagnetic coil is wound on the outer circumferential surface of the inner cylinder, and the electromagnetic coil is externally connected with a power supply control module.
According to the utility model discloses of above-mentioned scheme, its characterized in that, solenoid with there is the clearance between the metal urceolus.
According to the above scheme the utility model discloses, its characterized in that, the even coiling of solenoid is in the outer circumferential surface of inner tube.
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.
The beneficial effects of the utility model reside in that:
the utility model adopts the electromagnetic heating roller to replace the existing oil roller and circulating hot air mode to dry or thermally treat the bare cell pole piece or the pole piece substrate, and complex operations such as oil leakage and oil change are not needed, so that the structure is simpler and the control is easy; meanwhile, the electromagnetic heating roller is high in heating speed, can be rapidly heated 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.
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 sectional view of an electromagnetic heating roller according to an embodiment of the present invention;
in the context of the figures, it is,
1. an uncoiling mechanism;
2. a heating mechanism; 21. An electromagnetic heating roller; 211. a metal outer cylinder; 212. an inner barrel; 213. an electromagnetic coil;
3. a winding mechanism;
4. a first splicing mechanism;
5. a second splicing mechanism;
6. 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 electromagnetism, including being used for the unwinding mechanism 1 that will wait to heat the expansion of pole piece feed cylinder, being used for heating mechanism 2 with 6 heats of pole piece and being used for the winding mechanism 3 with the 6 rolling of pole piece after the heating to the rolling feed cylinder, 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 is with waiting to heat pole piece 6 on the pole piece feed cylinder and drawing it to the rolling feed cylinder through heating mechanism 2 and winding mechanism 3 in proper order from unwinding mechanism 1, then starts the system, and 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 to fig. 3, the heating mechanism 2 includes a plurality of electromagnetic heating rollers 21 arranged at intervals up and down, the pole pieces 6 are sequentially crossed and spaced to heat the surfaces of the plurality of electromagnetic heating rollers 21, the electromagnetic heating rollers 21 include a metal outer cylinder 211 having an inner cavity and an inner cylinder 212 installed in the inner cavity, electromagnetic coils 213 are uniformly wound on the outer circumferential surface of the inner cylinder 212, the electromagnetic coils 213 are externally connected with a power supply control module, the electromagnetic coils 213 are energized to generate an alternating electromagnetic field, the metal outer cylinder 211 generates an eddy current under the action of the alternating electromagnetic field, and the metal outer cylinder 211 generates heat due to the inherent resistance of the metal, thereby achieving the purpose of heating the. Meanwhile, because the electromagnetic coil 213 is uniformly wound on the outer circumferential surface of the inner cylinder 212, the electromagnetic wave of the magnetic field in the area of the metal outer cylinder 211 is uniformly distributed, so that the surface temperature of the metal outer cylinder 211 is uniform, and the heating effect of the pole piece is ensured. The utility model adopts the electromagnetic heating roller 21 to replace the existing oil roller and circulating hot air mode to dry or thermally treat the bare cell pole piece or the pole piece substrate, and complex operations such as oil leakage and oil change are not needed, so that the structure is simpler and the control is easy; meanwhile, the electromagnetic heating roller 21 is high in heating speed, can be quickly heated 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 this embodiment, a gap exists between the electromagnetic coil 213 and the metal outer cylinder 211, so as to prevent the electromagnetic coil 213 from being damaged due to high heat generated by the metal outer cylinder 211.
In this embodiment, the unwinding mechanism 1 includes the decoiling axle and the motor of opening a book, and the pole piece feed cylinder cover is located on the decoiling axle, and the motor of opening a book rotates with the decoiling axle to be connected and drive the decoiling axle rotatory. In addition, in order to push out the empty material barrel conveniently, a material barrel pushing mechanism for pushing out the empty material barrel is arranged on the unwinding shaft.
In this embodiment, the winding mechanism 3 includes a winding shaft and a winding motor, the winding shaft is sleeved with the winding cylinder, the heated pole piece 6 is wound on the winding cylinder, and the winding motor is connected with the winding shaft and drives the winding shaft to rotate.
In this embodiment, the axle that opens the spool and the rolling axle all include one end open-ended cavity axis body, and cavity axis body side relative position is provided with spacing hole, has installed the tight piece that expands in the spacing hole, and the tight piece inboard that expands is the wedge face for relatively, and the tight piece that expands and cavity axis body elastic connection expand, and the internal ejector pin that is provided with of cavity axis, 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 cavity axis body closed end face elastic connection of ejector pin.
In this embodiment, the winding mechanism 3 may further include a winding press roller, the winding press roller includes a rubber roller and a swing shaft, the swing shaft is located above the winding shaft, and the rubber roller and the swing shaft are connected through a swing rod and interact with the winding shaft to compact the pole piece 6.
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 and a pressing cylinder, wherein the pressing block and the pressing cylinder are used for pressing the pole piece 6, and the pressing cylinder is in driving connection with the pressing block so as to press the pole piece 6.
In this embodiment, the unwinding shaft is provided with a first deviation rectifying mechanism for rectifying the position of the pole piece 6, a first deviation rectifying sensor is arranged between the unwinding mechanism 1 and the first tape splicing mechanism, and the first deviation rectifying sensor is electrically connected with the first deviation rectifying mechanism 4. A second deviation rectifying mechanism for rectifying the position of the pole piece 6 is arranged on the winding shaft, a second deviation rectifying sensor is arranged between the winding mechanism 3 and the second tape splicing mechanism 5, and the second deviation rectifying sensor is electrically connected with the second deviation rectifying mechanism. 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 6 position deviations in the pole piece, the heating of assurance pole piece 6 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 the position of opening a book axle and rectify a deviation.
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. An electromagnetic uncoiling and heating system for a lithium battery pole piece comprises an uncoiling mechanism, a heating mechanism and a coiling mechanism, wherein the uncoiling mechanism, the heating mechanism and the coiling mechanism are arranged in sequence,
the heating mechanism comprises a plurality of electromagnetic heating rollers, the pole pieces are heated by the surfaces of the electromagnetic heating rollers, each electromagnetic heating roller comprises a metal outer cylinder with an inner cavity and an inner cylinder installed in the inner cavity, an electromagnetic coil is wound on the outer circumferential surface of the inner cylinder, and the electromagnetic coil is externally connected with a power supply control module.
2. The lithium battery pole piece electromagnetic uncoiling heating system of claim 1, wherein a gap exists between the electromagnetic coil and the metal outer barrel.
3. The electromagnetic uncoiling heating system for the lithium battery pole piece as recited in claim 1, wherein the electromagnetic coil is uniformly wound on the outer circumferential surface of the inner cylinder.
4. The electromagnetic 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.
5. The electromagnetic uncoiling heating system for the lithium battery pole piece according to claim 4, 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.
6. The electromagnetic uncoiling and heating system for the lithium battery pole piece as claimed in claim 5, 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 the.
7. The electromagnetic uncoiling and heating system for the lithium battery pole piece as claimed in claim 5, 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.
8. The electromagnetic uncoiling heating system for the lithium battery pole piece according to claim 7, 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.
9. The electromagnetic uncoiling and heating system for the lithium battery pole piece as recited in claim 7, 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.
10. The electromagnetic uncoiling and heating system for the lithium battery pole piece as recited in claim 7, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021319077.2U CN212485365U (en) | 2020-07-07 | 2020-07-07 | Electromagnetic uncoiling heating system for lithium battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021319077.2U CN212485365U (en) | 2020-07-07 | 2020-07-07 | Electromagnetic uncoiling heating system for lithium battery pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485365U true CN212485365U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021319077.2U Active CN212485365U (en) | 2020-07-07 | 2020-07-07 | Electromagnetic uncoiling heating system for lithium battery pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485365U (en) |
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2020
- 2020-07-07 CN CN202021319077.2U patent/CN212485365U/en active Active
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