CN216288826U - Coating machine of insulating film for large-scale lithium cell - Google Patents
Coating machine of insulating film for large-scale lithium cell Download PDFInfo
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- CN216288826U CN216288826U CN202122790552.5U CN202122790552U CN216288826U CN 216288826 U CN216288826 U CN 216288826U CN 202122790552 U CN202122790552 U CN 202122790552U CN 216288826 U CN216288826 U CN 216288826U
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Abstract
The utility model relates to the technical field of lithium ion batteries, in particular to a coating machine for an insulating film for a large lithium battery, which comprises a supporting roller, a static generating device and an impurity removing device, wherein the static generating device is arranged on one side of the supporting roller, the impurity removing device is arranged at the lower end of the supporting roller, a sliding plate is arranged in an arc-shaped opening, a brush is arranged on the sliding plate in a sliding manner, a collecting box is arranged in the opening in a sliding manner, a suction fan is arranged on one side of a partition plate, a limiting plate is arranged at the lower end of the partition plate, a first filter screen plate matched with the limiting plate is arranged in the collecting box, impurities on the insulating film are adsorbed by matching of the static generating device and the supporting roller, the potential safety hazard of the lithium battery made of the insulating film in use is reduced, and the impurities are sucked into the impurity removing device by the suction fan after being brushed down by the brush.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a coating machine for an insulating film for a large lithium battery.
Background
The lithium ion battery is widely applied to various fields such as mobile phones, computers, electric automobiles and the like at present due to the advantages of high voltage, large specific energy, wide working temperature range, large specific power, stable discharge, long storage time and the like. At present, the commercialized diaphragm is a polyolefin diaphragm, and comprises a High Density Polyethylene (HDPE) diaphragm and a polypropylene (PP) diaphragm, the melting points of the two diaphragms are low, and are respectively about 135 ℃ and 165 ℃, and the two diaphragms are easy to melt and shrink under the condition that a battery is overheated, so that the positive electrode and the negative electrode are in short circuit, and serious safety accidents of battery explosion and fire are caused. In order to improve the thermal stability of the diaphragm, a large number of documents and patents provide the technologies of ceramic coating, PVDF coating, PMMA coating and organic silicon powder coating diaphragm, the thermal stability of the diaphragm is improved by coating a layer of ceramic coating, PVDF, PMMA and organic silicon powder coating on the surface of the polyolefin diaphragm, and the safety performance of the polyolefin diaphragm can be well solved by the coating diaphragms, so that the diaphragm is widely applied to high-voltage and high-power lithium batteries; however, static adsorption dust is easily generated in the production process of the polyethylene diaphragm, so that the thickness of the coating of the diaphragm cannot be ensured to be consistent when the diaphragm is coated, and the produced lithium battery has great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the thickness of a coating layer of a diaphragm cannot be ensured to be consistent when the diaphragm is coated due to the fact that static adsorption dust is easily generated in the production process of a polyethylene diaphragm, so that the produced lithium battery has great potential safety hazards and the like, and provides a coating machine for an insulating film for a large lithium battery.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a coating machine of insulating film for large-scale lithium cell, includes backing roll, static generating device and edulcoration device, one side of backing roll is provided with static generating device, the lower extreme of backing roll is provided with the edulcoration device, the upper end of edulcoration device be provided with backing roll matched with arc mouth, be provided with the slide in the arc mouth, it is provided with the brush to slide on the slide, one side of arc mouth is provided with the cylinder with brush matched with, the lower extreme of edulcoration device is provided with the opening, it collects the box to slide in the opening to be provided with, the inside of edulcoration device is provided with the baffle, one side of baffle is provided with the fan of breathing in, one side of edulcoration device is provided with a plurality of groups exhaust hole, the lower extreme of baffle is provided with the limiting plate, be provided with in the collection box with the first filter plate board with limiting plate matched with.
Preferably, one side of limiting plate is provided with the second and filters the otter board, be provided with the pivot on the second filters the otter board, one side of pivot is provided with and filters otter board matched with cleaning brush with the second, the opposite side of pivot is provided with the flabellum.
Preferably, one side of the impurity removing device is provided with an opening matched with the rotating shaft, one side of the second filter screen plate is provided with a handle, and one side of the second filter screen plate is provided with a sealing plate.
Preferably, be provided with two sets of spacing frames with air suction fan matched with in the edulcoration device, air suction fan's upper end is through connecting rod fixedly connected with handle, be provided with on the edulcoration device with air suction fan matched with opening.
The coating machine for the insulating film for the large lithium battery, provided by the utility model, has the beneficial effects that: the electrostatic generator and the supporting roll are matched to adsorb impurities on the insulating film, so that potential safety hazards of a lithium battery made of the insulating film in use are reduced, the lithium battery is brushed down by the hairbrush, the impurities are sucked into the impurity removal device by the air suction fan, large-particle impurities are accumulated in the collection box by filtering of the first filter screen plate, small-particle impurities are filtered by the second filter screen plate, the fan blade drives the cleaning brush to rotate under the action of the air suction fan to clean the second filter screen plate to prevent blockage, and secondary pollution is avoided by collecting the impurities through the collection box; the structure is simple, the practicability is strong, and the popularization is suitable.
Drawings
FIG. 1 is a schematic view of a coater structure for an insulation film for a large-sized lithium battery according to the present invention;
fig. 2 is a schematic structural diagram of an impurity removing device of a coating machine for an insulating film for a large lithium battery according to the present invention.
In the figure: 1. a support roller; 2. a static electricity generating device; 3. an impurity removal device; 4. an arc-shaped opening; 5. a slide plate; 6. a brush; 7. a cylinder; 8. a collection box; 9. a partition plate; 10. an air suction fan; 11. a limiting plate; 12. a first filter screen plate; 13. a cleaning brush; 14. a limiting frame; 15. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a coating machine for an insulation film for a large lithium battery comprises a supporting roll 1, a static electricity generating device 2 and an impurity removing device 3, wherein the static electricity generating device 2 is arranged on one side of the supporting roll 1, the impurity removing device 3 is arranged on the lower end of the supporting roll 1, an arc-shaped opening 4 matched with the supporting roll 1 is arranged on the upper end of the impurity removing device 3, a sliding plate 5 is arranged in the arc-shaped opening 4, a brush 6 is slidably arranged on the sliding plate 5, an air cylinder 7 matched with the brush 6 is arranged on one side of the arc-shaped opening 4, an opening is arranged on the lower end of the impurity removing device 3, a collecting box 8 is slidably arranged in the opening, a partition plate 9 is arranged in the impurity removing device 3, an air suction fan 10 is arranged on one side of the partition plate 9, a plurality of groups of exhaust holes are arranged on one side of the impurity removing device 3, a limiting plate 11 is arranged on the lower end of the partition plate 9, a first filter screen plate 12 matched with the limiting plate 11 is arranged in the collecting box 8, adsorb the impurity on the insulating film through the cooperation of static generating device 2 and backing roll 1 to brush it down through brush 6, inhale impurity device 3 with impurity through the fan 10 of breathing in, and filter through first filter plate 12 and pile up large granule impurity in collecting box 8.
One side of the limiting plate 11 is provided with a second filter screen plate, the second filter screen plate is provided with a rotating shaft, one side of the rotating shaft is provided with a cleaning brush 13 matched with the second filter screen plate, the other side of the rotating shaft is provided with fan blades, and the rotating shaft and the cleaning brush 13 are driven by the fan blades to clean the second filter screen plate.
One side of the impurity removing device 3 is provided with an opening matched with the rotating shaft, one side of the second filter screen plate is provided with a handle, and one side of the second filter screen plate is provided with a sealing plate, so that the second filter screen plate can be conveniently taken out to clean and maintain the second filter screen plate.
Two sets of spacing frames 14 matched with the suction fan 10 are arranged in the impurity removing device 3, the upper end of the suction fan 10 is fixedly connected with a handle 15 through a connecting rod, and an opening matched with the suction fan 10 is arranged on the impurity removing device 3, so that the suction fan 10 can be taken out conveniently and is cleaned and maintained conveniently.
When the electrostatic cleaning device is used, impurities on an insulating film are adsorbed by matching the electrostatic generating device 2 and the supporting roller 1, the impurities are brushed down by the hairbrush 6, the impurities are sucked into the impurity removing device 3 by the air suction fan 10, large-particle impurities are accumulated in the collecting box 8 by filtering through the first filter screen plate 12, small-particle impurities are filtered through the second filter screen plate, and the rotating shaft and the cleaning brush 13 are driven by the fan blades to clean the second filter screen plate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (4)
1. The coating machine for the insulating film for the large lithium battery comprises a supporting roll (1), a static electricity generating device (2) and an impurity removing device (3), and is characterized in that the static electricity generating device (2) is arranged on one side of the supporting roll (1), the impurity removing device (3) is arranged at the lower end of the supporting roll (1), an arc-shaped opening (4) matched with the supporting roll (1) is formed in the upper end of the impurity removing device (3), a sliding plate (5) is arranged in the arc-shaped opening (4), a hairbrush (6) is arranged on the sliding plate (5) in a sliding mode, a cylinder (7) matched with the hairbrush (6) is arranged on one side of the arc-shaped opening (4), an opening is formed in the lower end of the impurity removing device (3), a collecting box (8) is arranged in the opening in a sliding mode, a partition plate (9) is arranged inside the impurity removing device (3), and an air sucking fan (10) is arranged on one side of the partition plate (9), one side of edulcoration device (3) is provided with a plurality of groups of exhaust holes, the lower extreme of baffle (9) is provided with limiting plate (11), be provided with in collection box (8) with limiting plate (11) matched with first filter screen board (12).
2. The coating machine of the insulation film for the large lithium battery as claimed in claim 1, wherein a second filter screen plate is disposed on one side of the limiting plate (11), a rotating shaft is disposed on the second filter screen plate, a cleaning brush (13) matched with the second filter screen plate is disposed on one side of the rotating shaft, and fan blades are disposed on the other side of the rotating shaft.
3. The coating machine of the insulation film for the large lithium battery as claimed in claim 2, wherein one side of the impurity removing device (3) is provided with an opening matched with the rotating shaft, one side of the second filter screen plate is provided with a handle, and one side of the second filter screen plate is provided with a sealing plate.
4. The coating machine of the insulating film for the large lithium battery as claimed in claim 1, wherein two sets of limiting frames (14) matched with the air suction fan (10) are arranged in the impurity removing device (3), the upper end of the air suction fan (10) is fixedly connected with a handle (15) through a connecting rod, and an opening matched with the air suction fan (10) is arranged on the impurity removing device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122790552.5U CN216288826U (en) | 2021-11-15 | 2021-11-15 | Coating machine of insulating film for large-scale lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122790552.5U CN216288826U (en) | 2021-11-15 | 2021-11-15 | Coating machine of insulating film for large-scale lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216288826U true CN216288826U (en) | 2022-04-12 |
Family
ID=81009340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122790552.5U Active CN216288826U (en) | 2021-11-15 | 2021-11-15 | Coating machine of insulating film for large-scale lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216288826U (en) |
-
2021
- 2021-11-15 CN CN202122790552.5U patent/CN216288826U/en active Active
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