CN211480210U - Heat treatment device with preheating function for lithium battery film production - Google Patents
Heat treatment device with preheating function for lithium battery film production Download PDFInfo
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- CN211480210U CN211480210U CN202020259748.4U CN202020259748U CN211480210U CN 211480210 U CN211480210 U CN 211480210U CN 202020259748 U CN202020259748 U CN 202020259748U CN 211480210 U CN211480210 U CN 211480210U
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- heat treatment
- treatment box
- preheating
- 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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- 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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Abstract
The utility model discloses a lithium cell membrane production heat treatment device with preheat function relates to lithium cell membrane production facility field, including the air heater, the bottom plate, the heat treatment case, blow head and air exhauster, the heat treatment case is fixed at the bottom plate upper surface, the air heater is fixed at heat treatment case upper surface, the air heater lower extreme is provided with hot-blast hose, hot-blast hose lower extreme runs through heat treatment case upper surface and is connected with the shunt tubes, the shunt tubes lower extreme is provided with a plurality of hot-blast heads, the heat treatment case is located heat treatment case left surface and with heat treatment case intercommunication, the air exhauster is provided with two and difference screw fixation at heat treatment case upper surface and lower surface, the air exhauster left end is provided with the guide duct. The utility model discloses be convenient for distance between dynamic adjustment hot-blast head and the lithium cell membrane body avoids the overheated damage of lithium cell membrane body, has improved product quality, carries out the preliminary treatment to lithium cell membrane body, has surperficial the heat energy loss in the hot-blast hose, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a lithium battery membrane production facility field especially relates to a heat treatment device is used in lithium battery membrane production with preheat function.
Background
The four key materials of the lithium ion battery are a positive electrode material, a negative electrode material, electrolyte and a diaphragm. The diaphragm has the main functions of isolating the positive electrode and the negative electrode and preventing electrons from passing through, and can allow ions to pass through, so that the lithium ions are rapidly transmitted between the positive electrode and the negative electrode in the charging and discharging process. The quality of the performance of the diaphragm directly influences the internal resistance, discharge capacity, cycle service life and the safety performance of the battery. The thinner the separator, the higher the porosity, the lower the internal resistance of the battery, and the better the high-rate discharge performance. In the construction of lithium batteries, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough.
The existing heat treatment device has discontinuous process and uneven temperature in a heat treatment box, and the stability of the heat treatment film performance of each batch is difficult to ensure. In addition, because the diaphragm in the heat treatment chamber because the defect such as shrink, deformation take place for the sudden heating up, generally need to carry out preheating to it, and preheat again and need provide the heat source, the energy saving that can not be fine is difficult to satisfy large-scale production requirement, for this reason, we propose a lithium cell membrane for production heat treatment device with preheating function and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a heat treatment device with preheating function for producing lithium battery films.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat treatment device with a preheating function for producing a lithium battery membrane comprises an air heater, a bottom plate, a heat treatment box, a preheating treatment box, a blowing head and an exhaust fan, wherein the heat treatment box is fixed on the upper surface of the bottom plate, the air heater is fixed on the upper surface of the heat treatment box, a hot air hose is arranged at the lower end of the air heater, the lower end of the hot air hose penetrates through the upper surface of the heat treatment box and is connected with a flow dividing pipe, a plurality of hot air heads are arranged at the lower end of the flow dividing pipe, the preheating treatment box is positioned on the left surface of the heat treatment box and is communicated with the heat treatment box, the exhaust fan is provided with two air guide pipes which are respectively fixed on the upper surface and the lower surface of the preheating treatment box through screws, an air guide pipe is arranged at the left end of the air guide pipe, which is far away from the exhaust fan, penetrates through, preheating treatment case left side is provided with lithium cell membrane body, lithium cell membrane body right-hand member passes preheating treatment case, driving roller and heat treatment case and extends to heat treatment case right side.
Preferably, the upper surface of the heat treatment box is fixed with two electric push rods through screws, the electric push rods are arranged in the front and at the back, and the lower ends of telescopic shafts of the electric push rods are fixed on the upper surface of the flow dividing pipe.
Preferably, a temperature sensor is fixed on the rear wall of the interior of the heat treatment box through screws, and the temperature sensor and the shunt pipe are electrically connected with an external controller and an external power supply.
Preferably, the air exhauster right-hand member all is provided with the heat pipe, the heat pipe right-hand member all extends to in the thermal treatment case.
Preferably, the feed inlet has been seted up to preheating case left surface, the discharge gate has been seted up to the heating case right surface, lithium cell membrane body right-hand member passes the feed inlet and wears out from the discharge gate.
Preferably, the exhaust fan and the hot air blower are electrically connected with an external power supply and an external control switch.
The utility model has the advantages that: blow the hot-blast air-guide duct to the preheating treatment incasement through the air exhauster with the heat treatment incasement, preheat through blowing head both sides surface about to lithium cell membrane body, avoided the loss of heat treatment case heat energy to green more.
Temperature in the thermal treatment case is monitored through temperature sensor, drives the shunt tubes through electric putter and reciprocates to adjust the distance of hot-blast head and lithium cell membrane body, thereby avoid the wind that hot-blast head blew off overheated and damage lithium cell membrane body, and then improve product quality.
The utility model discloses be convenient for distance between dynamic adjustment hot-blast head and the lithium cell membrane body avoids the overheated damage of lithium cell membrane body, has improved product quality, carries out the preliminary treatment to lithium cell membrane body, has surperficial the heat energy loss in the hot-blast hose, and is energy-concerving and environment-protective.
Drawings
Fig. 1 is a front cross-sectional view of the heat treatment apparatus for producing a lithium battery film with a preheating function according to the present invention.
Fig. 2 is a side view and cross-sectional view of the heat treatment device for producing a lithium battery film with a preheating function provided by the utility model.
Reference numbers in the figures: 1 hot-blast fan, 2 hot-blast hoses, 3 shunt tubes, 4 hot-blast heads, 5 temperature sensors, 6 driving rollers, 7 heat treatment boxes, 8 bottom plates, 9 exhaust fans, 10 air guide pipes, 11 blowing heads, 12 preheating treatment boxes, 13 lithium battery film bodies and 14 electric push rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a heat treatment device with preheating function for producing lithium battery films comprises an air heater 1, a bottom plate 8, a heat treatment box 7, a preheating treatment box 12, a blowing head 11 and an exhaust fan 9, wherein the heat treatment box 7 is fixed on the upper surface of the bottom plate 8, the air heater 1 is fixed on the upper surface of the heat treatment box 7, a hot air hose 2 is arranged at the lower end of the air heater 1, a shunt tube 3 is connected to the lower end of the hot air hose 2 penetrating through the upper surface of the heat treatment box 7, a plurality of hot air heads 4 are arranged at the lower end of the shunt tube 3, the preheating treatment box 12 is positioned on the left surface of the heat treatment box 7 and is communicated with the heat treatment box 7, the exhaust fan 9 is provided with two air guide pipes 10 which are respectively screwed on the upper surface and the lower surface of the preheating treatment box 12, the left end of the exhaust fan 9, a pair of driving rollers 6 is longitudinally arranged in the preheating treatment box 12 and the heat treatment box 7, a lithium battery membrane body 13 is arranged on the left side of the preheating treatment box 12, and the right end of the lithium battery membrane body 13 penetrates through the preheating treatment box 12, the driving rollers 6 and the heat treatment box 7 and extends to the right side of the heat treatment box 7.
The upper surface of the heat treatment box 7 is provided with two electric push rods 14 through screw fixation, the two electric push rods 14 are arranged around, the lower ends of telescopic shafts of the electric push rods 14 are fixed on the upper surface of the shunt pipe 3, the shunt pipe 3 can be conveniently driven to move up and down, the rear wall inside the heat treatment box 7 is provided with a temperature sensor 5 through screw fixation, the temperature sensor 5 and the shunt pipe 3 are electrically connected with an external controller and an external power supply, the model of the external controller is AT89C51, the right end of the exhaust fan 9 is provided with a heat pipe, the right end of the heat pipe extends into the heat treatment box 7, the feed inlet is formed in the left surface of the preheating treatment box 12, the discharge outlet is formed in the right surface of the heat treatment box 7, the right end of the lithium battery film body 13 penetrates through the feed inlet.
The working principle is as follows: when the device is used, the lithium battery membrane body 13 penetrates through a material inlet and between the transmission rollers 6 and then penetrates out through a material outlet, then a switch of the air heater 1 is opened, the air heater 1 works to carry out heat treatment on the lithium battery membrane body 13 through the hot air hose 2, the shunt tubes 3 and the hot air head 4, meanwhile, the heat treatment box 7 is heated, then a switch of the exhaust fan 9 is opened, the exhaust fan 9 blows hot air in the heat treatment box 7 into the preheating treatment box 12 through the air guide pipe 10 through the heat conduction pipe, the upper side surface and the lower side surface of the lithium battery membrane body 13 are preheated through the air blowing head 11, the loss of heat energy of the heat treatment box 7 is avoided, the device is more environment-friendly, meanwhile, the defects of shrinkage, deformation and the like caused by sudden temperature rise in the heat treatment box 7 are avoided, the temperature sensor 5 monitors the temperature in the heat treatment box 7, the shunt tubes, thereby adjust the distance of hot-blast head 4 and lithium cell membrane body 13 to avoid the wind that hot-blast head 4 blew out to be overheated and damage lithium cell membrane body 13, and then improve product quality. The utility model discloses be convenient for distance between dynamic adjustment hot-blast head 4 and the lithium cell membrane body 13 avoids the overheated damage of lithium cell membrane body 13, has improved product quality, carries out the preliminary treatment to lithium cell membrane body 13, has surperficial the heat energy loss in the hot-blast hose 2, and is energy-concerving and environment-protective.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A heat treatment device with a preheating function for production of lithium battery membranes comprises an air heater (1), a bottom plate (8), a heat treatment box (7), a preheating treatment box (12), a blowing head (11) and an exhaust fan (9), and is characterized in that the heat treatment box (7) is fixed on the upper surface of the bottom plate (8), the air heater (1) is fixed on the upper surface of the heat treatment box (7), a hot air hose (2) is arranged at the lower end of the air heater (1), the lower end of the hot air hose (2) penetrates through the upper surface of the heat treatment box (7) and is connected with a shunt pipe (3), a plurality of hot air heads (4) are arranged at the lower end of the shunt pipe (3), the preheating treatment box (12) is positioned on the left surface of the heat treatment box (7) and is communicated with the heat treatment box (7), two exhaust fans (9) are arranged and are respectively fixed on the upper surface and the lower surface of the, the air exhaust fan is characterized in that an air guide pipe (10) is arranged at the left end of the air exhaust fan (9), one end, far away from the air exhaust fan (9), of the air guide pipe (10) penetrates through the preheating treatment box (12) and is fixedly provided with the air guide pipe (10), a pair of transmission rollers (6) are longitudinally arranged in the preheating treatment box (12) and the heat treatment box (7), a lithium battery membrane body (13) is arranged on the left side of the preheating treatment box (12), and the right end of the lithium battery membrane body (13) penetrates through the preheating treatment box (12), the transmission rollers (6) and the heat treatment box (7) and extends to the right side of the heat treatment box (7).
2. The heat treatment device with the preheating function for the production of the lithium battery membranes as claimed in claim 1, wherein two electric push rods (14) are fixed on the upper surface of the heat treatment box (7) through screws, the two electric push rods (14) are arranged in front and at the back, and the lower ends of telescopic shafts of the electric push rods (14) are fixed on the upper surface of the flow dividing pipe (3).
3. The heat treatment device with the preheating function for the production of lithium battery membranes as claimed in claim 1, wherein a temperature sensor (5) is fixed on the inner rear wall of the heat treatment box (7) through screws, and the temperature sensor (5) and the shunt tube (3) are electrically connected with an external controller and an external power supply.
4. The heat treatment device with the preheating function for the production of lithium battery membranes as claimed in claim 1, wherein the right ends of the exhaust fans (9) are provided with heat conduction pipes, and the right ends of the heat conduction pipes extend into the heat treatment box (7).
5. The heat treatment device with the preheating function for the production of the lithium battery membrane as claimed in claim 1, wherein a feeding hole is formed in the left surface of the preheating treatment box (12), a discharging hole is formed in the right surface of the heat treatment box (7), and the right end of the lithium battery membrane body (13) penetrates through the feeding hole and penetrates out of the discharging hole.
6. The heat treatment device with the preheating function for the production of the lithium battery membrane as claimed in claim 1, wherein the exhaust fan (9) and the hot air blower (1) are electrically connected with an external power supply and an external control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020259748.4U CN211480210U (en) | 2020-03-05 | 2020-03-05 | Heat treatment device with preheating function for lithium battery film production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020259748.4U CN211480210U (en) | 2020-03-05 | 2020-03-05 | Heat treatment device with preheating function for lithium battery film production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211480210U true CN211480210U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020259748.4U Expired - Fee Related CN211480210U (en) | 2020-03-05 | 2020-03-05 | Heat treatment device with preheating function for lithium battery film production |
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| CN (1) | CN211480210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639563A (en) * | 2021-06-25 | 2021-11-12 | 广东嘉尚新能源科技有限公司 | Heat treatment device and method for solid electrolyte film and lithium battery cell structure |
-
2020
- 2020-03-05 CN CN202020259748.4U patent/CN211480210U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639563A (en) * | 2021-06-25 | 2021-11-12 | 广东嘉尚新能源科技有限公司 | Heat treatment device and method for solid electrolyte film and lithium battery cell structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |