CN210851322U - Lithium ion battery diaphragm coating protection film set composite - Google Patents
Lithium ion battery diaphragm coating protection film set composite Download PDFInfo
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- CN210851322U CN210851322U CN201921763785.2U CN201921763785U CN210851322U CN 210851322 U CN210851322 U CN 210851322U CN 201921763785 U CN201921763785 U CN 201921763785U CN 210851322 U CN210851322 U CN 210851322U
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- roller
- protective film
- ion battery
- diaphragm
- lithium ion
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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 lithium ion battery diaphragm coating protection film set composite, it includes protection film unwinding mechanism, compound hold-down mechanism, diaphragm conveying mechanism and a plurality of guide roll, diaphragm conveying mechanism includes the drive roller, receive the compression roller and derive the roller, lithium cell diaphragm is by the drive roller drive, through the guide roll, receive the compression roller, finally derive by deriving the roller, compound hold-down mechanism includes the lift pinch roller, the lift pinch roller is located directly over receiving the compression roller, the lift pinch roller descends and receives the compression roller to form the pressure tight fit, protection film unwinding mechanism is including unreeling the roller, the protection film is emitted from unreeling the roller, reach between lift pinch roller and the pressurized roller through the guide roll, and descend and laminate in lithium cell diaphragm surface through the lift pinch roller. The composite device realizes automatic composite between the lithium ion battery diaphragm and the coating protective film thereof through simple structure design, and has the advantages of compaction function, obvious composite effect and good finished product quality.
Description
Technical Field
The utility model relates to a lithium cell production facility especially relates to a lithium ion battery diaphragm coating protection film set composite.
Background
In the case of an oil-coated lithium battery separator, it is generally necessary to protect the coating layer, and if necessary, the coating layer on the separator is covered with a protective film to protect the coating layer on the separator from being damaged. The traditional production process is not protected or is protected in a manual coating mode, the compounding efficiency of the membrane and the protective membrane in the manual coating mode is low, and the membrane coating cannot be effectively protected.
SUMMERY OF THE UTILITY MODEL
Based on above, the utility model provides a lithium ion battery diaphragm coating protection film set composite realizes that battery diaphragm and coating protection film are effective compound, satisfies the protection needs.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a lithium ion battery diaphragm coating protection film set composite, it includes protection film unwinding mechanism, compound hold-down mechanism, diaphragm conveying mechanism and a plurality of guide roll, diaphragm conveying mechanism includes the drive roller, receive compression roller and derivation roller, the lithium cell diaphragm is by the drive roller drive, through the guide roll, receive the compression roller, finally derive by the derivation roller, compound hold-down mechanism is including the lift pinch roller, the lift pinch roller is located directly over receiving the compression roller, the lift pinch roller descends and receives the compression roller to form the tight fitting of pressure, protection film unwinding mechanism is including unreeling the roller, the protection film is emitted from unreeling the roller, reach between lift pinch roller and the compression roller through the guide roll, and descend and laminate in lithium cell diaphragm surface through the lift pinch roller.
The protective film passes through the two guide rollers between the unwinding roller and the compression roller, a first tension roller for controlling unwinding tension of the protective film is arranged between the two guide rollers, and an offset roller for adjusting the relative position of the protective film is arranged between the compression roller and the guide rollers.
Wherein, a tension sensor is arranged on the first tension roller.
Wherein, the drive roller is located the rear end of receiving the compression roller, and is located the below of receiving the compression roller.
Wherein, be provided with the second tension roller that is used for controlling tensile rolling of lithium cell diaphragm between drive roller and the derivation roller.
And the unreeling speed of the protective film is consistent with the conveying speed of the lithium battery diaphragm.
To sum up, the beneficial effects of the utility model are that, compare with prior art, lithium ion battery diaphragm coating protection film set composite has realized through simple structure design that automatic recombination between lithium ion battery diaphragm and its coating protection film, and has the function of compressing tightly, and compound effect is obvious, and the finished product is of high quality, and when not needing to compound, the lift pinch roller rises, the protection film unreels and closes to do not influence former coating production line work.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion battery separator coating protection film composite device provided by an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment provides a lithium ion battery separator coating protection film compounding device, which is specifically located at the front section of a winding mechanism of a separator oil coating production line, and is installed on the upper portion of a driving feeding mechanism, and includes a protection film unwinding mechanism, a composite pressing mechanism, a separator conveying mechanism, and a plurality of guide rollers 6.
The diaphragm conveying mechanism comprises a driving roller 1, a compression roller 2 and a guide-out roller 3, wherein a lithium battery diaphragm is driven by the driving roller 1, passes through a guide roller 6 and the compression roller 2, and is finally guided out by the guide-out roller 3. The driving roller 1 is located at the rear end of the pressure-receiving roller 2 and below the pressure-receiving roller 2.
The composite pressing mechanism comprises a lifting pressing wheel 4, the lifting pressing wheel 4 is positioned right above the compression roller 2 and driven by a cylinder to lift, and the lifting pressing wheel 4 descends to form pressing fit with the compression roller 2.
The protective film unwinding mechanism comprises an unwinding roller 5, the protective film is unwound from the unwinding roller 5, reaches a position between the lifting pinch roller 4 and the compression roller 2 through the guide roller 6, and descends through the lifting pinch roller 4 to be attached to the surface of the lithium battery diaphragm.
The protective film passes through the two guide rollers 6 between the unwinding roller 5 and the compression roller 2, a first tension roller 7 used for controlling unwinding tension of the protective film is arranged between the two guide rollers 6, a tension sensor is arranged on the first tension roller 7, and an offset roller 8 used for adjusting the relative position of the protective film is arranged between the compression roller 2 and the guide rollers 6.
And a second tension roller 9 for controlling the winding tension of the lithium battery diaphragm is arranged between the driving roller 1 and the guide-out roller 3.
When compounding, the protective film is unreeled, the unreeling speed is consistent with the conveying speed of the lithium battery diaphragm, the lifting pressing wheel 4 presses downwards to be matched with the pressed roller 2, and the lithium battery diaphragm and the protective film are pressed tightly;
when the compounding is not needed, the lifting pressing wheel 4 rises to be separated from the pressed roller 2, and the protective film is unreeled and closed, so that the diaphragm conveying mechanism can work independently and does not interfere with the original lithium battery diaphragm coating line.
In conclusion, the lithium ion battery diaphragm coating protection film compounding device realizes automatic compounding between the lithium ion battery diaphragm and the coating protection film thereof through simple structure design, has a pressing function, obvious compounding effect and good finished product quality, and when the compounding is not needed, the lifting pinch roller is lifted, the protection film is unreeled and closed, so that the work of the original coating production line is not influenced.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A lithium ion battery diaphragm coating protection film compound device is characterized by comprising a protection film unreeling mechanism, a compound pressing mechanism, a diaphragm conveying mechanism and a plurality of guide rollers,
the diaphragm conveying mechanism comprises a driving roller, a compression roller and a lead-out roller, the lithium battery diaphragm is driven by the driving roller, passes through the guide roller and the compression roller and is finally led out by the lead-out roller,
the composite pressing mechanism comprises a lifting pinch roller which is positioned right above the compression roller, the lifting pinch roller descends to form a pressing fit with the compression roller,
the protective film unwinding mechanism comprises an unwinding roller, the protective film is unwound from the unwinding roller, reaches between the lifting pressing wheel and the compression roller through the guide roller, and descends through the lifting pressing wheel to be attached to the surface of the lithium battery diaphragm.
2. The lithium ion battery separator coating protective film composite device of claim 1, characterized in that: the protective film passes through two guide rolls between the unwinding roll and the compression roll, a first tension roll for controlling the unwinding tension of the protective film is arranged between the two guide rolls, and a deviation adjusting roll for adjusting the relative position of the protective film is arranged between the compression roll and the guide rolls.
3. The lithium ion battery separator coating protective film composite device of claim 2, characterized in that: and a tension sensor is arranged on the first tension roller.
4. The lithium ion battery separator coating protective film composite device of claim 1, characterized in that: the driving roller is located at the rear end of the pressure receiving roller and located below the pressure receiving roller.
5. The lithium ion battery separator coating protection film composite set of claim 4, characterized in that: and a second tension roller for controlling the winding tension of the lithium battery diaphragm is arranged between the driving roller and the guide-out roller.
6. The lithium ion battery separator coating protective film composite device of claim 1, characterized in that: the unreeling speed of the protective film is consistent with the conveying speed of the lithium battery diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763785.2U CN210851322U (en) | 2019-10-18 | 2019-10-18 | Lithium ion battery diaphragm coating protection film set composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763785.2U CN210851322U (en) | 2019-10-18 | 2019-10-18 | Lithium ion battery diaphragm coating protection film set composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210851322U true CN210851322U (en) | 2020-06-26 |
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ID=71286819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921763785.2U Active CN210851322U (en) | 2019-10-18 | 2019-10-18 | Lithium ion battery diaphragm coating protection film set composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210851322U (en) |
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2019
- 2019-10-18 CN CN201921763785.2U patent/CN210851322U/en active Active
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