CN217092163U - Lithium battery diaphragm extraction system - Google Patents
Lithium battery diaphragm extraction system Download PDFInfo
- Publication number
- CN217092163U CN217092163U CN202122567960.4U CN202122567960U CN217092163U CN 217092163 U CN217092163 U CN 217092163U CN 202122567960 U CN202122567960 U CN 202122567960U CN 217092163 U CN217092163 U CN 217092163U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- lithium battery
- roller
- extraction system
- extraction
- 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.)
- Active
Links
Images
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a lithium battery diaphragm extraction system, which comprises a plurality of extraction tanks which are arranged along the diaphragm transmission direction in sequence, wherein each extraction tank is internally provided with a row of upper rollers and a row of lower rollers, and a film pressing mechanism is arranged between two adjacent extraction tanks; the outer peripheral surfaces of two ends of the upper roller are both provided with spreading planes. The utility model discloses set up film pressing mechanism between two adjacent extraction tanks, carry out the film pressing through film pressing mechanism to the diaphragm after the extraction tank, ensure that the diaphragm can not take place the fold, promoted the production quality and the performance of diaphragm, set up the exhibition plane at the both ends of going up the roller simultaneously, guarantee to flatten the diaphragm, further improve the production quality of diaphragm to make and avoid causing the problem of diaphragm fold when promoting the extraction workshop section speed of improvement, under the prerequisite of guaranteeing the diaphragm quality, the productivity effect has been improved.
Description
Technical Field
The utility model belongs to the technical field of lithium battery diaphragm production technique and specifically relates to a lithium battery diaphragm extraction system is related to.
Background
In recent two years, with the continuous increase of the loading amount of power batteries, the requirements of relevant materials for producing batteries are increased, and the requirements of lithium battery diaphragms serving as one of four basic materials of the batteries are also increased, so that in recent two years, the investment of various domestic diaphragm manufacturers on lithium battery diaphragm equipment is increased, and two ways are provided for increasing the yield of the lithium battery diaphragms, wherein one way is to increase the breadth of products, and the other way is to increase the production speed of the products.
Because the production line of the lithium battery diaphragm in the early stage is far lower than the existing production line in width or production line speed, certain difficulty is met in increasing width or increasing production line speed in two years, the width is increased by comparison, if the production speed of the production line can be increased, the production speed is technically easier to achieve, and the production speed of the lithium battery diaphragm is mainly limited to an extraction section, because the lithium battery is easy to generate wrinkles in the extraction tank and mainly generates in a first extraction tank, the wrinkles are generated because the white oil in the lithium battery diaphragm begins to precipitate after the lithium battery diaphragm enters the extraction section from a front-stage process, the temperature of the diaphragm surface is reduced, and meanwhile, the white oil in the lithium battery diaphragm is easy to precipitate, so that the diaphragm surface is further shrunk, and the wrinkles are easily generated on the diaphragm surface. When the speed of the extraction section is not higher than 50m/min, the speed ratio of the front roller and the rear roller is small, and the wrinkles of the film surface cannot generate scratches on the roller surface; when the extraction working section is higher than 50m/min, the speed ratio of the front roller and the rear roller is improved, so that the lithium battery diaphragm cannot slip on the roller surface, and further the winding roller is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at improving the problem that extraction workshop section speed can cause the damage to the diaphragm surface among the prior art and provide a lithium cell diaphragm extraction system.
Realize the utility model discloses the technical scheme of purpose is: a lithium battery diaphragm extraction system comprises a plurality of extraction tanks which are sequentially arranged along the diaphragm transmission direction, wherein each extraction tank is internally provided with a row of upper rollers and a row of lower rollers, and a film pressing mechanism is arranged between every two adjacent extraction tanks; the outer peripheral surfaces of two ends of the upper roller are both provided with spreading planes.
And the inlet and the outlet of each extraction tank are respectively provided with a roller.
The film pressing mechanism comprises an upper pressing roller, a lower pressing roller and a driving mechanism; the axes of the upper compression roller and the lower compression roller are arranged in parallel and are positioned on the same vertical plane; the driving mechanism is used for synchronously driving the upper pressing roll and the lower pressing roll to be close to or far away from each other.
The driving mechanism comprises two double-head screw rods which are rotatably arranged and a driving shaft which is used for synchronously driving the two double-head screw rods to operate; the two thread sections of the two double-end screw rods are respectively connected with an upper connecting seat and a lower connecting seat; two ends of the upper compression roller are respectively and rotatably connected with the two upper connecting seats; two ends of the lower compression roller are respectively and rotatably connected with the two lower connecting seats; driven bevel gears are fixed on the two double-end screw rods; a driving bevel gear meshed with the two driven bevel gears is respectively fixed on the driving shaft; and a driving hand wheel is arranged at the end part of the driving shaft.
Spiral grooves extending along the axial direction of the upper roller are respectively arranged on the spreading planes at the two ends of the upper roller; and the rotation directions of the two spiral grooves are opposite.
The outer peripheral surface of the upper roller is coated with a fluororubber layer; the spiral groove is arranged on the fluororubber layer.
The thickness of the fluororubber layer is 10 mm.
The Shore hardness of the fluororubber layer is 50-60 HA.
The width of the spiral groove is 5mm, the thread pitch is 35mm, and the groove depth is 1-3 mm.
The middle part of the upper roller is a smooth surface.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses set up film pressing mechanism between two adjacent extraction tanks, carry out the film pressing through film pressing mechanism to the diaphragm after the extraction tank, ensure that the diaphragm can not take place the fold, promoted the production quality and the performance of diaphragm, set up the exhibition plane at the both ends of going up the roller simultaneously, guarantee to flatten the diaphragm, further improve the production quality of diaphragm to make and avoid causing the problem of diaphragm fold when promoting the extraction workshop section speed of improvement, under the prerequisite of guaranteeing the diaphragm quality, the productivity effect has been improved.
(2) The utility model discloses the import and the exit in every extraction tank have all set up the roller to the diaphragm carries out good transmission.
(3) The utility model discloses a drive mechanism synchronous drive goes up being close to or keeping away from of compression roller and lower compression roller, has not only simplified drive mechanism's structure, and use cost is lower moreover.
(4) The utility model discloses an actuating mechanism adopts two double-end lead screws of drive shaft synchronous drive to operate, realizes that compression roller and holding down roller are close to in step or keep away from, and the structure is simpler, and driving stability is better moreover.
(5) The utility model discloses be equipped with respectively on the exhibition plane at the both ends of last roller along the helicla flute of last roller axial extension to revolving to opposite of two helicla flutes, when diaphragm and rotatory helicla flute contact, a lateral expansion power can be applyed to the helicla flute of slope to play the purpose of flat film of exhibition, further improved film surface quality.
(6) The utility model coats a fluororubber layer on the peripheral surface of the upper roller; the spiral groove is arranged on the fluororubber layer, so that the surface of the film can not be scratched.
(7) The thickness of the fluororubber layer of the utility model is 10mm, so as to prolong the service life of the upper roller.
(8) The shore hardness of the fluororubber layer of the utility model is 50-60HA, and reasonable hardness is selected to further ensure that the surface of the diaphragm can not be scratched.
(9) The utility model discloses a width of helicla flute is 5mm, and pitch is 35mm, and the groove depth is 1 ~ 3mm, and it is more convenient to process, and the exhibition flat effect is better.
(10) The utility model discloses an go up the roller middle part and be the smooth surface, avoid opening the crossing of diaphragm exhibition to the condition that causes the diaphragm damage takes place.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the upper roller of the present invention.
Fig. 3 is a schematic structural diagram of the driving mechanism of the present invention.
The reference numbers in the drawings are:
the device comprises an extraction tank 1, an upper roller 2, a spiral groove 2-1, a fluororubber layer 2-2, a lower roller 3, a film pressing mechanism 4, an upper pressing roller 4-1, a lower pressing roller 4-2, a driving mechanism 4-3, a double-end screw rod 4-3-1, a driving shaft 4-3-2, an upper connecting seat 4-3-3, a lower connecting seat 4-3-4, a driven bevel gear 4-3-5, a driving bevel gear 4-3-6, a driving hand wheel 4-3-7 and a roller 5.
Detailed Description
(example 1)
Referring to fig. 1 to 3, the lithium battery diaphragm extraction system of the embodiment includes a plurality of extraction tanks 1 sequentially arranged along a diaphragm transmission direction, each extraction tank 1 is provided with a row of upper rollers 2 and a row of lower rollers 3, and a film pressing mechanism 4 is arranged between two adjacent extraction tanks 1; the peripheral surfaces of the two ends of the upper roller 2 are both arranged into spreading planes.
Further, the inlet and the outlet of each extraction tank 1 are provided with a roller 5 to facilitate the good transmission of the membrane.
Further, the film pressing mechanism 4 comprises an upper pressing roller 4-1, a lower pressing roller 4-2 and a driving mechanism 4-3; the axes of the upper compression roller 4-1 and the lower compression roller 4-2 are arranged in parallel and are positioned on the same vertical plane; the driving mechanism 4-3 is used for synchronously driving the upper compression roller 4-1 and the lower compression roller 4-2 to approach or separate from each other, and one driving mechanism 4-3 is adopted for synchronously driving the upper compression roller 4-1 and the lower compression roller 4-2 to approach or separate from each other, so that the overall structure of the system can be simplified, and the use cost is reduced. Preferably, 316L stainless steel is used for the upper roll 4-1 and the lower roll 4-2.
Furthermore, the driving mechanism 4-3 comprises two double-head screw rods 4-3-1 which are rotatably arranged and a driving shaft 4-3-2 which is used for synchronously driving the two double-head screw rods 4-3-1 to operate, and the double-head screw rods 4-3-1 and the driving shaft 4-3-2 are adopted as the driving mechanism 4-3, so that the structure is simple, the installation is easy, and the driving synchronism is high; the two thread sections of the two double-end screw rods 4-3-1 are respectively connected with an upper connecting seat 4-3-3 and a lower connecting seat 4-3-4 so as to facilitate the installation of an upper compression roller 4-1 and a lower compression roller 4-2; two ends of the upper compression roller 4-1 are respectively rotatably connected with two upper connecting seats 4-3-3; two ends of the lower press roll 4-2 are respectively rotatably connected with two lower connecting seats 4-3-4; the two double-end screw rods 4-3-1 are both fixed with driven bevel gears 4-3-5; a driving bevel gear 4-3-6 meshed with the two driven bevel gears 4-3-5 is respectively fixed on the driving shaft 4-3-2; the end part of the driving shaft 4-3-2 is provided with a driving hand wheel 4-3-7 so as to facilitate the good operation of the driving shaft 4-3-2.
Furthermore, two ends of one of the upper pressure roller 4-1 and the lower pressure roller 4-2 can be knurled, so that the friction force between the diaphragm and the film pressing mechanism 4 can be increased, and because the working positions of the upper pressure roller 4-1 and the lower pressure roller 4-2 are arranged on two sides of the diaphragm, subsequent rolling and slitting can be cut off, and the quality of the film surface cannot be influenced.
Furthermore, the spreading planes at the two ends of the upper roller 2 are respectively provided with a spiral groove 2-1 which extends along the axial direction of the upper roller 2; and the rotation directions of the two spiral grooves 2-1 are opposite, when the diaphragm is contacted with the rotary spiral groove 2-1, the inclined spiral groove 2-1 can apply a transverse expansion force to the film, so that the aim of flattening the film is fulfilled, and the surface quality of the film is further improved.
Further, in order to avoid the upper roller 2 from scratching the surface of the diaphragm, the outer peripheral surface of the upper roller 2 is coated with a fluororubber layer 2-2; the spiral groove 2-1 is arranged on the fluororubber layer 2-2.
Further, the thickness of the fluororubber layer 2-2 is 10mm, so that the upper roller 2 has a certain service life.
Furthermore, the Shore hardness of the fluororubber layer 2-2 is 50-60HA, and proper hardness is selected to further ensure that the diaphragm is not damaged.
Furthermore, the width of the spiral groove 2-1 is 5mm, the thread pitch is 35mm, the groove depth is 1-3 mm, the processing is easy, and the flattening effect is better.
Furthermore, the middle part of the upper roll 2 is a smooth surface, so that the diaphragm is prevented from being unfolded, and the damage of the diaphragm is avoided.
The lithium battery diaphragm extraction device of this embodiment has set up film pressing mechanism 4 between two adjacent extraction tanks 1, carry out the film pressing through film pressing mechanism 4 to the diaphragm after extraction tank 1, ensure that the diaphragm can not take place the fold, the production quality and the performance of diaphragm have been promoted, the both ends of going up roller 2 have set up the exhibition plane simultaneously, guarantee to flatten the diaphragm, further improve the production quality of diaphragm, thereby make and avoid causing the problem of diaphragm fold when promoting the extraction workshop section speed of improvement, under the prerequisite of guaranteeing the diaphragm quality, the productivity effect has been improved.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A lithium battery diaphragm extraction system which characterized in that: the device comprises a plurality of extraction tanks (1) which are sequentially arranged along the transmission direction of a diaphragm, wherein each extraction tank (1) is internally provided with a row of upper rollers (2) and a row of lower rollers (3), and a film pressing mechanism (4) is arranged between every two adjacent extraction tanks (1); the peripheral surfaces of the two ends of the upper roller (2) are both arranged into spreading planes.
2. The lithium battery separator extraction system of claim 1, wherein: and the inlet and the outlet of each extraction tank (1) are respectively provided with a roller (5).
3. The lithium battery separator extraction system of claim 1, wherein: the film pressing mechanism (4) comprises an upper pressing roller (4-1), a lower pressing roller (4-2) and a driving mechanism (4-3); the axes of the upper pressing roller (4-1) and the lower pressing roller (4-2) are arranged in parallel and are positioned on the same vertical plane; the driving mechanism (4-3) is used for synchronously driving the upper press roll (4-1) and the lower press roll (4-2) to approach or separate.
4. The lithium battery separator extraction system of claim 3, wherein: the driving mechanism (4-3) comprises two double-head screw rods (4-3-1) which are rotatably arranged and a driving shaft (4-3-2) which is used for synchronously driving the two double-head screw rods (4-3-1) to operate; the two thread sections of the two double-end screw rods (4-3-1) are respectively connected with an upper connecting seat (4-3-3) and a lower connecting seat (4-3-4); two ends of the upper compression roller (4-1) are respectively and rotatably connected with the two upper connecting seats (4-3-3); two ends of the lower press roll (4-2) are respectively and rotatably connected with the two lower connecting seats (4-3-4); the two double-end screw rods (4-3-1) are both fixed with driven bevel gears (4-3-5); a driving bevel gear (4-3-6) meshed with the two driven bevel gears (4-3-5) is respectively fixed on the driving shaft (4-3-2); the end part of the driving shaft (4-3-2) is provided with a driving hand wheel (4-3-7).
5. The lithium battery separator extraction system of claim 1, wherein: the spreading planes at the two ends of the upper roller (2) are respectively provided with a spiral groove (2-1) extending along the axial direction of the upper roller (2); and the rotation directions of the two spiral grooves (2-1) are opposite.
6. The lithium battery separator extraction system of claim 5, wherein: the outer peripheral surface of the upper roller (2) is coated with a fluororubber layer (2-2); the spiral groove (2-1) is arranged on the fluororubber layer (2-2).
7. The lithium battery separator extraction system of claim 6, wherein: the thickness of the fluororubber layer (2-2) is 10 mm.
8. The lithium battery separator extraction system of claim 6, wherein: the Shore hardness of the fluororubber layer (2-2) is 50-60 HA.
9. The lithium battery separator extraction system of claim 6, wherein: the width of the spiral groove (2-1) is 5mm, the thread pitch is 35mm, and the groove depth is 1-3 mm.
10. The lithium battery separator extraction system of claim 1, wherein: the middle part of the upper roller (2) is a smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567960.4U CN217092163U (en) | 2021-10-25 | 2021-10-25 | Lithium battery diaphragm extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567960.4U CN217092163U (en) | 2021-10-25 | 2021-10-25 | Lithium battery diaphragm extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217092163U true CN217092163U (en) | 2022-08-02 |
Family
ID=82589220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122567960.4U Active CN217092163U (en) | 2021-10-25 | 2021-10-25 | Lithium battery diaphragm extraction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217092163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350501A (en) * | 2022-09-06 | 2022-11-18 | 广东宇界机械设备有限公司 | Die penetrating power system of extraction tank |
-
2021
- 2021-10-25 CN CN202122567960.4U patent/CN217092163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350501A (en) * | 2022-09-06 | 2022-11-18 | 广东宇界机械设备有限公司 | Die penetrating power system of extraction tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217092163U (en) | Lithium battery diaphragm extraction system | |
| CN103708259B (en) | A kind of wallpaper has core winder with double | |
| CN114512703A (en) | Battery electricity core outer protection film wind | |
| CN201951024U (en) | Holder rolling machine of paper-holder pencil | |
| CN211614530U (en) | Cutting device is used in stereo garage wave board production | |
| CN201563300U (en) | Continuous dry film laminating system for flexible circuit board | |
| CN201151577Y (en) | Novel rolling device of casting film unit | |
| CN205112594U (en) | Film agency of single face laminating machine | |
| CN209280581U (en) | One kind is convenient for the adjusting multi-faceted camera product defects detection device of angle | |
| CN116278187A (en) | Spandex paper tube paper winding production line and production method thereof | |
| CN213107787U (en) | A three-roller calendering compounding machine for waterproof material production | |
| CN205573241U (en) | Compound strip machine that divides | |
| CN212636761U (en) | Single-side machine with stable edge profile | |
| CN210877756U (en) | Steel sheet cutting device that flattens | |
| CN216369780U (en) | Plodder is used in gold foil processing | |
| CN210349904U (en) | Outer protection film device of lithium cell production | |
| CN209534428U (en) | A kind of metal substrate coat peeling unit | |
| CN202174147U (en) | Floating adjustable-width double air expansion paper lining device | |
| CN216543466U (en) | Gold spring onions powder cutting machine | |
| CN219330558U (en) | Roller spacing adjusting structure of noodle press | |
| CN203690332U (en) | Roller for polycrystalline solar cell texturing device | |
| CN216966431U (en) | Novel slitting machine | |
| CN209920652U (en) | Rewinding mechanism of three-dimensional knurling stock form | |
| CN201482676U (en) | Surface coating device of polyethylene terephthalate sheet | |
| CN214779642U (en) | Aluminum foil paper rewinding adjusting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |