CN201863464U - Rolling device of lithium battery diaphragm compound machine - Google Patents
Rolling device of lithium battery diaphragm compound machine Download PDFInfo
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- CN201863464U CN201863464U CN2010205566272U CN201020556627U CN201863464U CN 201863464 U CN201863464 U CN 201863464U CN 2010205566272 U CN2010205566272 U CN 2010205566272U CN 201020556627 U CN201020556627 U CN 201020556627U CN 201863464 U CN201863464 U CN 201863464U
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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 relates to a rolling device of a lithium battery diaphragm compound machine, which is installed on a rolling rack of a compound machine, and comprises a transition roller, a bowed roller, a transition traction roller, a driving compression roller and a main transmission roller, wherein the transition roller leads a diaphragm in, changes the lead-in angle of the diaphragm, and delivers the diaphragm into the bowed roller; the bowed roller unfolds the diaphragm, and is provided with an adjusting handle for changing the radian of the diaphragm when the diaphragm passes by the bowed roller; the transition traction roller consists of two rollers, and a magnetic powder clutch is arranged on the transition traction roller for controlling the rolling tension force of the diaphragm; and the drive compression roller and the main transmission roller roll and compound the diaphragm, a plurality of groups of rolling devices are adopted and are installed through similar parallel structures, and a third compression roller is arranged outside the main transmission roller of one group to compound the diaphragm. By adopting the rolling structure, three layers, four layers or more layers of battery diaphragms can be compounded together, and the compounded surface can be flat under the interaction of the bowed roller and the transmission traction roller.
Description
Technical field
The utility model relates to lithium battery diaphragm compounding machine equipment technical field, refers in particular to a kind of rolling device of lithium battery diaphragm compounding machine here.
Background technology
In the structure of lithium battery, barrier film is one of crucial interior layer assembly, the performance of barrier film has determined the interfacial structure, internal resistance of battery etc., directly influences the characteristics such as capacity, circulation and security performance of battery, and the barrier film of excellent performance has important effect to the combination property that improves battery.Barrier film adopts plastic foil to make, and can isolate battery plus-negative plate, to prevent short circuit; Can also be when battery to be overheated, the electric current that intercepts in the battery by the closed pore function conducts.The description of the popular point of barrier film is exactly the plastic sheeting of one deck porous, it is the highest a kind of high added value material of technology barriers in the lithium electric material, account for the 20%-30% of lithium battery cost, the main cause that barrier film holds at high price is that some key technologies of making barrier films are monopolized by the Japan and the U.S., and the homemade barrier film particularly index of high-end barrier film does not also reach the level of external product.
The membrane technique difficult point is the engineering and the matrix material of pore-creating.Wherein the engineering of pore-creating comprises barrier film pore-creating technology, production equipment and product stability.That the matrix material of barrier film comprises is poly-third bright, polythene material and additive.The barrier film production technology can be divided into two big classes according to dry method and wet method at present, and dry method can be subdivided into simple tension technology and stretch processes again simultaneously.Dry method simple tension technology is by producing the method for hard elastic fibre, prepare the high oriented polypropylene or the polyethylene film of low-crystallinity, obtaining the oriented film of high-crystallinity at high annealing.The first formation microdefect that stretches at low temperatures of this film makes defective draw back, form micropore then under the high temperature.This technology is very ripe in the U.S., Japan through the development of decades, and this arts demand equipment is very complicated, equipment precision requirement is very high, and whole technology is quite complicated, control difficulty height.The barrier film micropore of producing requires size, it is all very even to distribute, and the micropore conduction is good, can produce the barrier film of different-thickness, can adopt PP, PE material to produce.Because key technology is grasped in Japan and u s company, domestic manufacturer does not also grasp this technology, does not therefore also process the special equipment of this product.
Wet method claims phase separation method or thermally induced phase separation again.High boiling hydrocarbon liquids or low the branch in the material of amount are mixed with vistanex, heat and dissolve solvate and melt is layered on the thin slice, lowering the temperature then is separated, again with vertical or black soy sauce to the time thin slice do orientation process.Use volatile solvent extraction liquid at last.Can prepare the microporous membrane material of mutual perforation.Barrier film with the production of wet method bidirectional extending method has higher vertical and horizontal intensity owing to passed through biaxial tension.Be mainly used in the PE barrier film of individual layer at present.This arts demand equipment is also very complicated, whole process flow is quite complicated, and cost height, energy consumption are big, but the barrier film pore size of producing, distributes very evenly, and the micropore conduction is good, produces thin barrier film easily, can adopt the PE material to produce.
At present, domestic employing barrier film processing technology is a stretch processes, by in polypropylene, adding crystal formation improver with nucleation, utilize the difference of density between the different phases of polypropylene, crystal transfer takes place in drawing process form micropore, be used to produce individual layer PP film, perhaps adopt common PP blow molding process to process.As a complete unit, the battery diaphragm of domestic production, pore size, distribute all comparatively inhomogeneous, and poor stability, in order to reach micropore comparatively uniformly, usually way is laminated diaphragm to be carried out compound, can obtain thicker battery diaphragm, can arrive the basic demand of battery diaphragm technology, in can satisfying, low side battery production needs.Such one can solve the deficiency of above-mentioned barrier film, and two obtain thicker battery diaphragm.Can arrive the basic demand of battery diaphragm technology, in can satisfying, low side battery production needs.Barrier film carries out compound tense, because this material requirements is not being heated, do not add under any chemical adhesive process conditions, the universal compounding machine in present market, it is compound to realize that laminated diaphragm carries out roll-in, and in the roll-in process, barrier film is easy to wrinkling, bubble, it is relatively poor to process the barrier film flatness, can not satisfy the requirement of battery diaphragm.Must adopt the specific complex machine to unreel, roll-in, rolling mode are compound.
The utility model content
The utility model is at the prior art deficiency, and a kind of rolling device that can the multi-layer cell barrier film carries out the compound battery diaphragm compounding machine of roll-in is provided.
The rolling device of the lithium battery diaphragm compounding machine that the utility model provides, rolling device is installed on the roll-in frame of compounding machine, described rolling device comprises transition roller, bowed roller, transition carry-over pinch rolls, initiative compression roller and main drive roller, wherein, transition roller, barrier film is imported, and change barrier film importing angle, barrier film is sent into bowed roller; Bowed roller, barrier film is open and flat, be provided with adjusting handle, to change the radian that barrier film passes arc wheel; The transition carry-over pinch rolls are made up of two running rollers, are provided with magnetic powder cluth, with the roll-in tension force of control barrier film; Initiative compression roller and main drive roller are compound with the barrier film roll-in, and rolling device has many groups, and rolling device adopts the class parallel construction to install, and one group main drive roller peripheral hardware the 3rd pressure roller carries out barrier film compound therein.
Described rolling device has two groups, every group of rolling device comprises a transition roller, two bowed rollers, two transition carry-over pinch rolls, an initiative compression roller and a main drive roller at least, is provided with peripheral hardware the 3rd pressure roller on the main drive roller right side of first group of rolling device and sends into second group of rolling device compound and first group of rolling device carries out compound pressing.
Described rolling device has two groups, wherein first group of rolling device comprises a transition roller, two bowed rollers, two transition carry-over pinch rolls, an initiative compression roller and a main drive roller, second group of rolling device comprises transition roller, a bowed roller, transition carry-over pinch rolls, be provided with peripheral hardware the 3rd pressure roller on the main drive roller right side of first group of rolling device, the main drive roller that second group of transition carry-over pinch rolls sent barrier film and first group of rolling device is sent composite diaphragm and is carried out pressing.
The initiative compression roller of described rolling device is provided with the cylinder of regulating initiative compression roller.
Described initiative compression roller adopts the butadiene acrylonitrile rubber material.
The beneficial effects of the utility model are: adopt this structure rolling device, it is compound to realize that three layers, four layers or more multi-layered battery diaphragm carry out, and cooperatively interacts by bowed roller and transition carry-over pinch rolls, makes the compound rear surface can be smooth, wrinkle resistant, bubble not.Initiative compression roller adopts the butadiene acrylonitrile rubber material, has advantages such as antistatic, wear-resisting.
Description of drawings:
Fig. 1 is the schematic diagram of the utility model rolling device
Fig. 2 is the structural representation of the utility model initiative compression roller
Fig. 3 is the schematic diagram of the rolling device of another embodiment of the utility model
The specific embodiment:
Only be the utility model preferred embodiment below, do not limit protection domain of the present utility model with this.
See shown in Fig. 1-3, the rolling device of the lithium battery diaphragm compounding machine that the utility model provides, rolling device is installed on the roll-in frame 1 of compounding machine, described rolling device comprises transition roller 2, bowed roller 3, transition carry-over pinch rolls 4, initiative compression roller 5 and main drive roller 6, wherein, transition roller 2 imports barrier film 9, and change barrier film 9 importing angles, and barrier film 9 is sent into bowed roller 3; Bowed roller 3, barrier film 9 is open and flat, be provided with adjusting handle, to change the radian that barrier film 9 passes arc wheel; Transition carry-over pinch rolls 4 are made up of two running rollers, are provided with magnetic powder cluth, with the roll-in tension force of control barrier film 9; Initiative compression roller 5 and main drive roller 6 are compound with barrier film 9 roll-ins, the rolling device that is made of initiative compression roller 5 and main drive roller 6 has many groups, rolling device adopts the class parallel construction to install, and one group main drive roller 6 peripheral hardwares the 3rd pressure roller 7 carries out barrier film 9 compound therein.
See shown in Figure 1, described rolling device has two groups, every group of rolling device comprises a transition roller 2, two bowed rollers 3, two transition carry-over pinch rolls 4, an initiative compression roller 5 and a main drive roller 6 at least, is provided with peripheral hardware the 3rd pressure roller 7 on main drive roller 6 right sides of first group of rolling device and second group of rolling device sent into barrier film 9 composite beds that barrier film 9 composite beds and first group of rolling device send into carries out compound pressing.The rolling device science and technology of this structure is carried out four layers barrier film 9 compound.
See shown in Figure 3, described rolling device has two groups, wherein first group of rolling device comprises a transition roller 2, two bowed rollers 3, two transition carry-over pinch rolls 4, an initiative compression roller 5 and a main drive roller 6, second group of rolling device comprises transition roller 2, bowed roller 3, transition carry-over pinch rolls 4, be provided with peripheral hardware the 3rd pressure roller 7 on main drive roller 6 right sides of first group of rolling device, the main drive roller 6 that second group of transition carry-over pinch rolls 4 sent barrier film 9 and first group of rolling device is sent composite diaphragm 9 and is carried out pressing.Can realize the pressing of 3 layers of barrier film.
The initiative compression roller 5 of described rolling device is provided with the cylinder 8 of regulating initiative compression roller.
Described initiative compression roller 5 adopts the butadiene acrylonitrile rubber material.
Operation principle of the present utility model is as follows: the barrier film 9 of one group of rolling device imports by transition roller 2, and through bowed roller 3 change barrier films importing radians, the power of traction is provided for barrier film 9 by transition carry-over pinch rolls 4, in that to carry out roll-in through initiative compression roller 5 and main drive roller 6 compound, and with another compound barrier film of group roll-in or single-layer septum by the 3rd pressure roller 7 roll-formings, can realize that three layers, four layers even more multi-layered barrier film roll-in are compound.
In a word, adopt this structure rolling device, it is compound to realize that three layers, four layers or more multi-layered barrier film 9 carry out, and cooperatively interacts by bowed roller 3 and transition carry-over pinch rolls 4, makes the compound rear surface can be smooth, wrinkle resistant, not bubble.Initiative compression roller 5 adopts the butadiene acrylonitrile rubber material, has advantages such as antistatic, wear-resisting.
Claims (5)
1. the rolling device of lithium battery diaphragm compounding machine, rolling device is installed on the roll-in frame of compounding machine, it is characterized in that, described rolling device comprises transition roller, bowed roller, transition carry-over pinch rolls, initiative compression roller and main drive roller, wherein, transition roller imports barrier film, and change barrier film importing angle, barrier film is sent into bowed roller; Bowed roller, barrier film is open and flat, be provided with adjusting handle, to change the radian that barrier film passes arc wheel; The transition carry-over pinch rolls are made up of two running rollers, are provided with magnetic powder cluth, with the roll-in tension force of control barrier film; Initiative compression roller and main drive roller are compound with the barrier film roll-in, and rolling device has many groups, and rolling device adopts the class parallel construction to install, and one group main drive roller peripheral hardware the 3rd pressure roller carries out barrier film compound therein.
2. rolling device according to claim 1, it is characterized in that: described rolling device has two groups, every group of rolling device comprises a transition roller, two bowed rollers, two transition carry-over pinch rolls, an initiative compression roller and a main drive roller at least, is provided with peripheral hardware the 3rd pressure roller on the main drive roller right side of first group of rolling device and sends into second group of rolling device compound and first group of rolling device carries out compound pressing.
3. rolling device according to claim 1, it is characterized in that: described rolling device has two groups, wherein first group of rolling device comprises a transition roller, two bowed rollers, two transition carry-over pinch rolls, an initiative compression roller and a main drive roller, second group of rolling device comprises transition roller, a bowed roller, transition carry-over pinch rolls, be provided with peripheral hardware the 3rd pressure roller on the main drive roller right side of first group of rolling device, the main drive roller that second group of transition carry-over pinch rolls sent barrier film and first group of rolling device is sent composite diaphragm and is carried out pressing.
4. rolling device according to claim 1 is characterized in that: the initiative compression roller of described rolling device is provided with the cylinder of regulating initiative compression roller.
5. rolling device according to claim 1 is characterized in that: described initiative compression roller adopts the butadiene acrylonitrile rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205566272U CN201863464U (en) | 2010-10-12 | 2010-10-12 | Rolling device of lithium battery diaphragm compound machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205566272U CN201863464U (en) | 2010-10-12 | 2010-10-12 | Rolling device of lithium battery diaphragm compound machine |
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| Publication Number | Publication Date |
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| CN201863464U true CN201863464U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205566272U Expired - Lifetime CN201863464U (en) | 2010-10-12 | 2010-10-12 | Rolling device of lithium battery diaphragm compound machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633336A (en) * | 2015-12-25 | 2016-06-01 | 广东基泰智能设备有限公司 | Calendaring apparatus |
| CN106042352A (en) * | 2016-07-15 | 2016-10-26 | 镇江奥美机电设备有限公司 | Rolling device for PE separator of storage battery |
| CN106042353A (en) * | 2016-07-15 | 2016-10-26 | 镇江奥美机电设备有限公司 | Roll-in system for storage battery PE partition plate |
| CN117800128A (en) * | 2023-04-23 | 2024-04-02 | 广东宝路盛精密机械有限公司 | Multi-station unreeling compounding method of battery diaphragm |
| CN117800128B (en) * | 2023-04-23 | 2024-06-07 | 广东宝路盛精密机械有限公司 | Multi-station unreeling compounding method of battery diaphragm |
-
2010
- 2010-10-12 CN CN2010205566272U patent/CN201863464U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633336A (en) * | 2015-12-25 | 2016-06-01 | 广东基泰智能设备有限公司 | Calendaring apparatus |
| WO2017107232A1 (en) * | 2015-12-25 | 2017-06-29 | 广东基泰智能设备有限公司 | Calendering apparatus |
| CN106042352A (en) * | 2016-07-15 | 2016-10-26 | 镇江奥美机电设备有限公司 | Rolling device for PE separator of storage battery |
| CN106042353A (en) * | 2016-07-15 | 2016-10-26 | 镇江奥美机电设备有限公司 | Roll-in system for storage battery PE partition plate |
| CN106042353B (en) * | 2016-07-15 | 2018-10-23 | 镇江奥美机电设备有限公司 | The roll-in system of accumulator PE partition boards |
| CN117800128A (en) * | 2023-04-23 | 2024-04-02 | 广东宝路盛精密机械有限公司 | Multi-station unreeling compounding method of battery diaphragm |
| CN117800128B (en) * | 2023-04-23 | 2024-06-07 | 广东宝路盛精密机械有限公司 | Multi-station unreeling compounding method of battery diaphragm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG KESHUO MACHINERY SCIENCE AND TECHNOLOGY Free format text: FORMER NAME: DONGGUAN KESHUO MACHINERY TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Industrial Road, Songshan Lake high tech Industrial Development Zone 523000 Guangdong city of Dongguan province No. 6 Songhu Branch Industrial Park Building 2 room 512 Patentee after: Guangdong Keshuo Machinery Science And Technology Co., Ltd. Address before: Liaobu Town, Guangdong city of Dongguan Province on the 523000 village Baiye Road No. 12 Patentee before: Dongguan KESHUO Machinery Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
|
| CX01 | Expiry of patent term |