CN112762687A - Two-sided drying device of lithium cell diaphragm - Google Patents
Two-sided drying device of lithium cell diaphragm Download PDFInfo
- Publication number
- CN112762687A CN112762687A CN201911067326.5A CN201911067326A CN112762687A CN 112762687 A CN112762687 A CN 112762687A CN 201911067326 A CN201911067326 A CN 201911067326A CN 112762687 A CN112762687 A CN 112762687A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- air
- battery diaphragm
- box body
- drying device
- Prior art date
- 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.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 51
- 238000001035 drying Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a double-sided drying device for a lithium battery diaphragm, which comprises a machine table, a feeding mechanism, a coiling mechanism and a drying mechanism, wherein the feeding mechanism is arranged on the machine table; the feeding mechanism comprises two first mounting frames arranged on the machine table and a feeding roller arranged between the two first mounting frames; the coiling mechanism comprises two second mounting frames arranged on the machine table, a coiling roller arranged between the two second mounting frames and a driving motor; the lithium battery diaphragm is wound from the supply roller to the winding roller; drying mechanism, including setting up be in lower bar air cock, setting that are located lithium battery diaphragm below between first mounting bracket and the second mounting bracket are in lithium battery diaphragm top and with the parallel upper slitter shape air cock of bar air cock, connection down the upper slitter shape air cock with the air feed channel of bar air cock down and with be connected air feed channel's air heater. The invention solves the problem that the lithium battery diaphragm drying equipment in the prior art cannot perform all-around drying on the lithium battery diaphragm drying equipment.
Description
Technical Field
The invention belongs to the field of lithium battery manufacturing equipment, and particularly relates to a double-sided drying device for a lithium battery diaphragm.
Background
In the structure of the lithium battery, a diaphragm is one of key inner layer components, the performance of the diaphragm determines the interface structure, the internal resistance and the like of the battery, the characteristics of the battery such as capacity, circulation and safety performance are directly influenced, the diaphragm with excellent performance has an important effect on improving the comprehensive performance of the battery, the main effect of the diaphragm is to separate the positive electrode and the negative electrode of the battery and prevent the short circuit caused by the contact of the two electrodes, in addition, the lithium battery also has the function of enabling electrolyte ions to pass through, the material of the diaphragm is non-conductive, the physical and chemical properties of the diaphragm have great influence on the performance of the battery, the types of the batteries are different, the adopted diaphragms are also different, and the service performance of some existing lithium battery diaphragm drying equipment is complex to operate and cannot be dried in an all-dimensional mode, so that the service performance.
Disclosure of Invention
Based on this, it is necessary to provide a two-sided drying device of lithium battery diaphragm to lithium battery diaphragm drying equipment among the prior art, can not carry out the problem of all-round drying to it.
The invention provides a lithium battery diaphragm double-sided drying device, which comprises:
a machine platform;
the feeding mechanism comprises two first mounting frames arranged on the machine table and a feeding roller arranged between the two first mounting frames;
the material rolling mechanism comprises two second mounting frames arranged on the machine table, a material rolling roller arranged between the two second mounting frames and parallel to the material supply roller, and a driving motor for driving the material rolling roller to rotate; the lithium battery diaphragm is wound from the supply roller to the winding roller;
drying mechanism, including setting up be in lower bar air cock, setting that are located lithium battery diaphragm below between first mounting bracket and the second mounting bracket are in lithium battery diaphragm top and with the parallel upper slitter shape air cock of bar air cock, connection down the upper slitter shape air cock with the air feed channel of bar air cock down and with be connected air feed channel's air heater.
Preferably, the material rolling roller is rotatably connected with the second mounting frame and comprises:
the coil material section is arranged between the two first mounting frames;
the driving section is connected with the coil stock section and penetrates through one second mounting frame;
the driving section is connected with the driving motor.
Preferably, the upper strip-shaped air nozzle comprises a strip-shaped upper box body and air holes uniformly distributed on the lower surface of the upper box body, and the box body is arranged in parallel to the feeding roller;
the lower strip-shaped air faucet comprises a strip-shaped lower box body and air holes uniformly distributed on the upper surface of the lower box body, and the lower box body is arranged in parallel to the feeding roller;
the air speed and the heating temperature of the air heater are adjustable.
Preferably, a transmission mechanism is arranged between the driving section and the driving motor, and the transmission mechanism comprises a first chain wheel arranged on a rotating shaft of the driving motor, a second chain wheel arranged on the driving section, and a chain connected between the first chain wheel and the second chain wheel.
Preferably, the lithium battery diaphragm double-sided drying device further comprises a protective cover arranged on the machine table, and an electrostatic dust removal device is arranged in the protective cover.
Preferably, the two-sided drying device of lithium cell diaphragm is still including setting up the supporting legs and the filtration bellows of board lower surface, it includes the box, sets up to filter the bellows air intake and air outlet on the box, set up and be in the inside filter core of box, the air outlet with the air heater is connected.
According to the invention, the lithium battery diaphragm double-side drying device adopts one measuring unit, so that the volume of the sensor is reduced. The measuring unit comprises an induction coil and two exciting coils symmetrically arranged about the induction coil, and the two exciting coils can generate eddy currents in molten steel, wherein the eddy currents are two times larger than the eddy currents generated by one exciting coil, so that the sensitivity is higher. Because the exciting coils are symmetrically distributed about the water gap, when the water gap and the sensor are deviated from each other left and right due to installation errors, eddy current generated in the water gap by the exciting coils is increased on one side and decreased on the other side, so that a detection signal is basically unchanged. The problem of among the prior art, electromagnetic sensor detects the position change and influences measuring result great is solved.
Drawings
FIG. 1 is a schematic structural diagram of a double-sided drying device for a lithium battery diaphragm according to an embodiment of the invention;
fig. 2 is a top view of the double-sided drying device for the lithium battery diaphragm in the embodiment of fig. 1.
Detailed Description
The invention provides a lithium battery diaphragm double-sided drying device, and referring to fig. 1 and 2, the lithium battery diaphragm double-sided drying device comprises a machine table 10, a feeding mechanism, a coiling mechanism and a drying mechanism; the feeding mechanism comprises two first mounting frames 21 arranged on the machine table 10 and a feeding roller 22 arranged between the two first mounting frames 21; the material rolling mechanism comprises two second mounting frames 31 arranged on the machine table 10, a material rolling roller 32 arranged between the two second mounting frames 31 and parallel to the material supply roller 22, and a driving motor 34 for driving the material rolling roller 32 to rotate; the lithium battery separator is wound from the supply roll 22 to the take-up roll 32; drying mechanism, including setting up lower bar air cock 41, the setting of being in between first mounting bracket 21 and the second mounting bracket 31 and being located lithium battery diaphragm below are in lithium battery diaphragm top and with the parallel upper slitter shape air cock 42 of bar air cock 41, connection down go up bar air cock 42 and the air feed passageway 43 of bar air cock 41 down and with be connected the air heater 44 of air feed passageway 43.
In this embodiment, one end of the undried lithium battery separator is completely wound around the supply roll 22, the other end of the lithium battery separator is wound around the winding roll 32, and the driving motor 34 drives the winding roll 32 to rotate, so that the lithium battery separator is transferred from the supply roll 22 to the winding roll 32. In the transfer process, the upper strip-shaped air faucet 42 positioned on the lithium battery diaphragm and the lower strip-shaped air faucet 41 positioned below the lithium battery diaphragm respectively blow and dry the upper surface and the lower surface of the lithium battery diaphragm, so that the problem that lithium battery diaphragm drying equipment cannot perform all-dimensional drying on the lithium battery diaphragm in the prior art is solved
In the present invention, the winding roller 32 is rotatably connected to the second mounting frame 31, and includes a winding section and a driving section 33, wherein the winding section is disposed between the two first mounting frames 21; the driving section 33 is connected with the coil stock section and penetrates through one second mounting frame 31; the drive section 33 is connected to the drive motor 34. Be provided with drive mechanism between drive section 33 and the driving motor 34, drive mechanism is including setting up the epaxial first sprocket 35 of the pivot of driving motor 34, setting are in second sprocket 36 on the drive section 33 and connection chain 37 between first sprocket 35 and the second sprocket 36, driving motor 34 drive sprocket mechanism rotates in order to drive the batching roller 32 and rotate. Also, in the present embodiment, the transmission mechanism is not limited to the sprocket transmission, and may be implemented by a gear transmission, a worm gear transmission, or the like. And are not described further herein.
In the present invention, the upper strip-shaped air nozzle 42 comprises an upper strip-shaped box body and air holes uniformly distributed on the lower surface of the upper box body, and the box body is arranged parallel to the feeding roller 22; the lower strip-shaped air faucet 41 comprises a strip-shaped lower box body and air holes uniformly distributed on the upper surface of the lower box body, the lower box body is parallel to the feeding roller 22, and the air speed and the heating temperature of the air heater 44 are adjustable. In this embodiment, go up strip shape air cock 42 and strip shape air cock 41 down and set up the box body of long strip shape and can cover lithium battery diaphragm's width direction completely, set up the gas pocket of a plurality of equipartitions simultaneously, make hot-blast homogeneous action on lithium battery diaphragm to promote drying efficiency.
In the invention, the lithium battery diaphragm double-sided drying device further comprises a protective cover arranged on the machine table 10, and an electrostatic dust removal device is arranged in the protective cover. The two-sided drying device of lithium cell diaphragm is still including setting up supporting legs 11 and the filtration bellows 45 of board 10 lower surface, it is in to filter bellows 45 includes the box, sets up air intake and air outlet on the box, setting are in the inside filter core of box, the air outlet with air heater 44 is connected.
The invention can reduce the pollution of impurities in the outside air to the lithium battery diaphragm by arranging the protective cover, and simultaneously, the electrostatic dust removal device is arranged to further reduce the dust pollution in the protective cover, and the air filter box is arranged at the air inlet of the hot air blower 44 to reduce the dust entering the protective cover. The air speed and the heating temperature of the air heater 44 are adjustable.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present description should be considered as being described in the present specification. The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be defined by the appended claims.
Claims (6)
1. The utility model provides a two-sided drying device of lithium battery diaphragm which characterized in that includes:
a machine platform;
the feeding mechanism comprises two first mounting frames arranged on the machine table and a feeding roller arranged between the two first mounting frames;
the material rolling mechanism comprises two second mounting frames arranged on the machine table, a material rolling roller arranged between the two second mounting frames and parallel to the material supply roller, and a driving motor for driving the material rolling roller to rotate; the lithium battery diaphragm is wound from the supply roller to the winding roller;
drying mechanism, including setting up be in lower bar air cock, setting that are located lithium battery diaphragm below between first mounting bracket and the second mounting bracket are in lithium battery diaphragm top and with the parallel upper slitter shape air cock of bar air cock, connection down the upper slitter shape air cock with the air feed channel of bar air cock down and with be connected air feed channel's air heater.
2. The double-sided drying device for the lithium battery diaphragm as claimed in claim 1, wherein the material rolling roller is rotatably connected with the second mounting frame and comprises:
the coil material section is arranged between the two first mounting frames;
the driving section is connected with the coil stock section and penetrates through one second mounting frame;
the driving section is connected with the driving motor.
3. The lithium battery diaphragm double-sided drying device according to claim 1, wherein the upper strip-shaped air faucet comprises an elongated upper box body and air holes uniformly distributed on the lower surface of the upper box body, and the box body is arranged in parallel with the feeding roller;
the lower strip-shaped air faucet comprises a strip-shaped lower box body and air holes uniformly distributed on the upper surface of the lower box body, and the lower box body is arranged in parallel to the feeding roller;
the air speed and the heating temperature of the air heater are adjustable.
4. The lithium battery diaphragm double-sided drying device as claimed in claim 2, wherein a transmission mechanism is arranged between the driving section and the driving motor, and the transmission mechanism comprises a first chain wheel arranged on a rotating shaft of the driving motor, a second chain wheel arranged on the driving section, and a chain connecting the first chain wheel and the second chain wheel.
5. The double-sided drying device for the lithium battery diaphragm as claimed in claim 1, further comprising a protective cover arranged on the machine table, wherein an electrostatic dust removal device is arranged in the protective cover.
6. The lithium battery diaphragm double-sided drying device according to claim 1, further comprising supporting legs and a filtering bellows arranged on the lower surface of the machine table, wherein the filtering bellows comprises a box body, an air inlet and an air outlet arranged on the box body, and a filter element arranged inside the box body, and the air outlet is connected with the air heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067326.5A CN112762687A (en) | 2019-11-04 | 2019-11-04 | Two-sided drying device of lithium cell diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067326.5A CN112762687A (en) | 2019-11-04 | 2019-11-04 | Two-sided drying device of lithium cell diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112762687A true CN112762687A (en) | 2021-05-07 |
Family
ID=75692430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911067326.5A Pending CN112762687A (en) | 2019-11-04 | 2019-11-04 | Two-sided drying device of lithium cell diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112762687A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5259875B1 (en) * | 2012-07-19 | 2013-08-07 | 日本碍子株式会社 | Battery electrode coating film drying method and drying furnace |
| DE102015004732A1 (en) * | 2015-04-11 | 2015-12-03 | Daimler Ag | Method and apparatus for drying a film |
| CN106423740A (en) * | 2016-12-01 | 2017-02-22 | 无锡溥汇机械科技有限公司 | Lithium battery isolating membrane slurry throwing coating and drying system |
| CN206382177U (en) * | 2016-12-01 | 2017-08-08 | 无锡溥汇机械科技有限公司 | A kind of lithium battery isolation membrane slurry spins coating drying system |
| CN206731481U (en) * | 2017-05-07 | 2017-12-12 | 江苏清陶能源科技有限公司 | A kind of lithium battery diaphragm drying unit |
| CN109088103A (en) * | 2018-06-27 | 2018-12-25 | 许昌中舰能源科技有限公司 | A kind of lithium battery diaphragm drying unit |
| CN209263606U (en) * | 2018-10-30 | 2019-08-16 | 威海星宜新材料科技有限公司 | A kind of lithium battery diaphragm drying unit |
| CN209355658U (en) * | 2018-09-25 | 2019-09-06 | 苏州维兰德新材料有限公司 | Lithium battery diaphragm drying equipment |
-
2019
- 2019-11-04 CN CN201911067326.5A patent/CN112762687A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5259875B1 (en) * | 2012-07-19 | 2013-08-07 | 日本碍子株式会社 | Battery electrode coating film drying method and drying furnace |
| DE102015004732A1 (en) * | 2015-04-11 | 2015-12-03 | Daimler Ag | Method and apparatus for drying a film |
| CN106423740A (en) * | 2016-12-01 | 2017-02-22 | 无锡溥汇机械科技有限公司 | Lithium battery isolating membrane slurry throwing coating and drying system |
| CN206382177U (en) * | 2016-12-01 | 2017-08-08 | 无锡溥汇机械科技有限公司 | A kind of lithium battery isolation membrane slurry spins coating drying system |
| CN206731481U (en) * | 2017-05-07 | 2017-12-12 | 江苏清陶能源科技有限公司 | A kind of lithium battery diaphragm drying unit |
| CN109088103A (en) * | 2018-06-27 | 2018-12-25 | 许昌中舰能源科技有限公司 | A kind of lithium battery diaphragm drying unit |
| CN209355658U (en) * | 2018-09-25 | 2019-09-06 | 苏州维兰德新材料有限公司 | Lithium battery diaphragm drying equipment |
| CN209263606U (en) * | 2018-10-30 | 2019-08-16 | 威海星宜新材料科技有限公司 | A kind of lithium battery diaphragm drying unit |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210507 |