CN201369360Y - Battery pole piece rolling press - Google Patents
Battery pole piece rolling press Download PDFInfo
- Publication number
- CN201369360Y CN201369360Y CNU2009200882849U CN200920088284U CN201369360Y CN 201369360 Y CN201369360 Y CN 201369360Y CN U2009200882849 U CNU2009200882849 U CN U2009200882849U CN 200920088284 U CN200920088284 U CN 200920088284U CN 201369360 Y CN201369360 Y CN 201369360Y
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- CN
- China
- Prior art keywords
- powder
- pole piece
- doctor blade
- frame
- roll
- 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.)
- Expired - Fee Related
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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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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model relates to a battery pole piece rolling press, which comprises a frame and a pair of rollers rotatably arranged on the frame. Powder scraping devices corresponding to the upper roller and the lower roller on the frame are arranged respectively, and at least upper powder scraping device is provided with a powder collecting box; and a powder thickness sensing device is arranged on the frame and has the optical signal emitting unit thereof positioned at one end of each of the pair of the rollers and the optical signal receiving unit thereof positioned at the other ends of the pair of the rollers, and the optical signal emitted from the optical signal emitting unit is tangential to the roller surface. The battery pole piece rolling press can carry out on-line detection of the powder attaching on the rollers and can automatically control the powder scraping devices to carry out on-line powder scraping through a peripheral signal gating system; and meanwhile, the scraped powder is collected by the power collecting box to prevent secondary pollution of the powder to the battery pole piece, thereby improving the quality of the battery pole piece, reducing shutdown finishing time, remarkably improving production efficiency and guaranteeing the electric properties and safety features of a lithium ion power battery.
Description
Technical field
The utility model relates to the battery pole piece roll squeezer that uses in a kind of lithium battery manufacturing process.
Background technology
In lithium-ion-power cell is produced; the battery pole piece roll process is the key link in the battery manufacturing process; at present; common battery pole piece roll squeezer is to be provided with one group of pair roller on frame; this group pair roller is implemented roll-in to battery pole piece under the driving of power; in the process of carrying out roll-in production; the being powder is because electrostatic interaction very easily sticks on the roller; and roll squeezer is not equipped with automatic dust removing apparatus, thus need manually scrape the powder dedusting, if the online powder of scraping; powder after then scraping can drop on and pollute pole piece on the pole piece; thereby influence the electrical property of electrokinetic cell, scrape the powder finishing, normally carry out so that influence is produced so all adopt at present to shut down.In addition, also sticked to easily on the roller,, can not shovel automatically, cause pole piece, cause the pole piece distortion serious, cause waste product even influence the performance of battery pole piece by the secondary roll-in with rolling up on the top roll by the battery pole piece after the roll-in.
The utility model content
The purpose of this utility model provides a kind of battery pole piece roll squeezer that can be on-line automatic removes dust.
For achieving the above object, the utility model adopts following technical scheme: the battery pole piece roll squeezer, comprise frame and rotate the one group of pair roller that is arranged on the frame, upper and lower roll on the frame in the described relatively pair roller is respectively equipped with corresponding powder-scraping device, in two powder-scraping devices at least the top roll powder-scraping device have the receipts powder box; Frame is provided with the thick induction checkout gear of powder, and the light signal transmitter unit of the thick induction checkout gear of powder is positioned at pair roller one end, and the light signal receiving element is positioned at the pair roller other end, and the light signal that the light signal transmitter unit sends is cut in roll surface.
Described powder-scraping device comprises doctor blade and the doctor blade frame that is fixedly arranged on the frame, doctor blade is articulated on the doctor blade frame by the mechanical spring that is intervally arranged along doctor blade body length direction, also be interval with electromagnetic spring between doctor blade and doctor blade frame, electromagnetic spring drives the roll surface that doctor blade is pressed to institute's respective roller.
Described electromagnetic spring is located in the mechanical spring, and a pair of magnetic force unit correspondence of electromagnetic spring is fixedly arranged on doctor blade and the doctor blade frame.
Described a pair of magnetic force unit is made of magnet and the magnet exciting coil that is wrapped on the iron core.The polarity of the opposite end of two magnetic force unit is identical.Under the magnet exciting coil electroless state, has the buffering spacing between two magnetic force unit.
Described doctor blade is made by polytetrafluoroethylmaterial material.
Export a side at pair roller on the frame and also be provided with shovel pole piece device, this device comprises pole piece perching knife and the relieving tool post that is fixedly arranged on the frame, the pole piece perching knife is adjusted bolt by pressure and is installed on the relieving tool post, pressure is adjusted the part of bolt between relieving tool post and pole piece perching knife and is set with compression spring, the pole piece perching knife edge of a knife is adjusted the bolt pressure by pressure and is touched on the top roll roll surface, and the pole piece perching knife edge of a knife is in face of the direction of rotation of top roll.
The powder-scraping device of corresponding top roll is located at pair roller and is exported a side, and the powder-scraping device of corresponding lower roll is located at pair roller and is imported a side, and the doctor blade edge of a knife of two powder-scraping devices is in face of the direction of rotation of institute's respective roller; The periphery that described pole piece perching knife is curved, be located at the top roll powder-scraping device, the pole piece perching knife is provided with on its cutter hub and top roll opposed inside face receives the powder box carriage, this receipts powder box carriage is positioned at the below of the doctor blade of top roll powder-scraping device, and described receipts powder box is placed on this carriage.
Described perching knife is made by polytetrafluoroethylmaterial material.
The utility model utilizes the thick induction checkout gear of powder that sticking powder on the roll body is implemented online detection; and can control powder-scraping device automatically by the whistle control system of peripheral hardware and implement to scrape powder; realized the online powder of scraping; the powder that scrapes is simultaneously received powder box and is reclaimed; prevented the secondary pollution of powder, improved the quality of battery pole piece greatly, reduced the shutdown finishing time battery pole piece; pole piece production efficiency is improved greatly, the guarantee of electrical property and security performance is provided for lithium-ion-power cell.
Shovel pole piece device is set in the utility model, will be down when volume on the pole piece runs into perching knife by shovel, break away from top roll and fall on the conveyer belt, thereby prevented that top roll from carrying the pole piece of rolling up and carrying out the secondary roll-in, ensured the quality of pole piece.
In addition, on perching knife, be provided with and receive the powder box carriage, can directly be placed in wherein, can directly take out the receipts powder box when toppling over the recovery powder and get final product, use very convenient receiving powder box.Perching knife and doctor blade all adopt polytetrafluoroethylmaterial material to make, and can reduce the wearing and tearing to roll body, have improved the useful life of roll body.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the present utility model that shows from another viewing angle;
Fig. 3 is powder-scraping device and a shovel pole piece device structural representation partly in the utility model;
Fig. 4 is mechanical spring and the electromagnetic spring structural representation partly that is used to connect and drive doctor blade in the utility model.
Embodiment
Fig. 1-battery pole piece roll squeezer shown in Figure 4, comprise frame 1 and rotate the one group of pair roller that is arranged on the frame, upper and lower roll 2,5 on the frame in relative this group pair roller is respectively equipped with corresponding powder-scraping device 3 and shovel pole piece device, shovel pole piece device is located at a side of pair roller output, also be provided with on the frame be used to detect on the pair roller the thick induction checkout gear 4 of powder of sticking powder thickness.Arrow is depicted as the direction of motion of battery pole piece among Fig. 1.
Above-mentioned powder-scraping device comprises doctor blade 14 and the doctor blade frame 11 that is fixedly arranged on the frame, doctor blade 14 is articulated on the doctor blade frame by the mechanical spring 10 that is intervally arranged along doctor blade body length direction, also be interval with electromagnetic spring 15 between doctor blade 14 and doctor blade frame 11, doctor blade 14 is pressed to institute's respective roller 5 under the driving of electromagnetic spring 15 roll surface implements to scrape powder.Described electromagnetic spring 15 is made of a pair of magnetic force unit, this is fixedly arranged on doctor blade 14 and the doctor blade frame 11 magnetic force unit correspondence, the quantity of electromagnetic spring 15 can be decided according to the actual requirements, its installation site should guarantee the doctor blade force balance, make the relative roll surface of the doctor blade edge of a knife parallel, on the roll surface length direction, evenly scrape powder.
In the present embodiment, the powder-scraping device of corresponding top roll 5 is located at pair roller and is exported a side, and the powder-scraping device of corresponding lower roll 2 is located at pair roller and is imported a side, and the doctor blade edge of a knife of two powder-scraping devices is all in face of the direction of rotation of institute's respective roller; Electromagnetic spring 15 is located near in the mechanical spring 10 at doctor blade two ends, two magnetic force unit of each electromagnetic spring 15 constitute by being fixedly arranged on the doctor blade 14 magnet and being fixedly arranged on the iron core that is wound with magnet exciting coil on the doctor blade frame 11, magnet exciting coil is connected in the magnetic switch control circuit 17, the polarity of the opposite end of magnet and magnet exciting coil is identical, has buffering spacing 16, mutual exclusion under "on" position under the magnet exciting coil electroless state between two magnetic force unit.In the utility model, the formation and the installation form of the installation site of powder-scraping device 3 and electromagnetic spring 15 are not limited to the foregoing description, do slightly to change to realize driving the function that doctor blade is scraped powder equally, for example, two magnetic force unit in the electromagnetic spring all adopt magnet exciting coil, perhaps the polarity of two magnetic force unit opposite ends can be designed to when powder-scraping device is installed on some position of respective roller that there is a natural attraction between the sexes, and perhaps electromagnetic spring is not located in the mechanical spring.
Above-mentioned shovel pole piece device comprises pole piece perching knife 9 and the relieving tool post 6 that is fixedly arranged on the frame, and pole piece perching knife 9 is adjusted bolt 7 by pressure and is installed on the relieving tool post 6, and pressure is adjusted the part of bolt 7 between relieving tool post and pole piece perching knife and is set with compression spring 8; The periphery that the pole piece perching knife is 9 curved, be located at the top roll powder-scraping device, the pole piece perching knife edge of a knife is in face of the direction of rotation of top roll 5 and adjust bolt 7 by pressure and press with certain pressure touch and touch on the top roll roll surface.In addition, for structural easy, be provided with on pole piece perching knife cutter hub and top roll opposed inside face and receive powder box carriage 13, this receipts powder box carriage is positioned at the below of the doctor blade 14 of top roll powder-scraping device, and putting on this carriage has the powder box 12 of receipts.In the present embodiment, only the top roll powder-scraping device is provided with the receipts powder box, mainly be in order to prevent that dropping on battery pole piece from the powder that top roll scrapes causes secondary pollution, in the specific implementation, also can be provided with one at the lower roll powder-scraping device and receive powder box, can avoid like this being scattered the health cleaning everywhere from the powder that lower roll scrapes.
Above-mentioned perching knife 9 and doctor blade 14 are made by polytetrafluoroethylmaterial material, like this, can avoid adopting the broken ring of steel blade dedusting to roll body, the useful life of having improved roll body.
The light signal transmitter unit of the thick induction checkout gear 4 of described powder is located on the frame of pair roller one end, and the light signal receiving element is positioned on the frame of the pair roller other end, and the light signal that the light signal transmitter unit sends is cut in roll surface.During enforcement, corresponding upper and lower roll can all be provided with a thick induction checkout gear of powder, also can a checkout gear be set only corresponding one of them roller, when needs are scraped powder, two powder-scraping devices carry out synchronously, present embodiment only is provided with the thick induction checkout gear of powder that detects the sticking powder thickness of top roll, in the detected signal input signal of this checkout gear treatment system.
The course of work of the present utility model is as follows: 4 pairs of top rolls 5 of the thick induction checkout gear of powder glue powder and implement online detection, send light signal by the light signal transmitter unit, the light signal receiving element receive and change it into signal of telecommunication after send in the signal processing system, when sticking powder acquires a certain degree signal attenuation on the roller, signal processing system is sent and is scraped the powder instruction, feed certain electric current by magnetic switch control circuit 17 to magnet exciting coil, the magnet of electromagnetic spring 15 drives doctor blade 14 and moves and press to roll surface under the effect of repulsive force, powder is scraped in enforcement, reaches the purpose to the roll body cleaning; Simultaneously, compression spring 8 appropriateness control perching knives 9 in the shovel pole piece device make the suitable pressure of generation between perching knife 9 and the top roll 5, will be by shovel down when volume on the pole piece runs into perching knife 9, break away from top roll 5 and fall on the conveyer belt, prevented that top roll 5 from carrying pole piece and carrying out the secondary roll-in.The powder that scrapes is received powder box 12 and is reclaimed, and directly takes out receipts powder box 12 when toppling over the recovery powder and gets final product.
Claims (10)
1. battery pole piece roll squeezer, comprise frame and rotate the one group of pair roller that is arranged on the frame, it is characterized in that: the upper and lower roll on the frame in the described relatively pair roller is respectively equipped with corresponding powder-scraping device, in two powder-scraping devices at least the top roll powder-scraping device have the receipts powder box; Frame is provided with the thick induction checkout gear of powder, and the light signal transmitter unit of the thick induction checkout gear of powder is positioned at pair roller one end, and the light signal receiving element is positioned at the pair roller other end, and the light signal that the light signal transmitter unit sends is cut in roll surface.
2. battery pole piece roll squeezer according to claim 1, it is characterized in that: described powder-scraping device comprises doctor blade and the doctor blade frame that is fixedly arranged on the frame, doctor blade is articulated on the doctor blade frame by the mechanical spring that is intervally arranged along doctor blade body length direction, also be interval with electromagnetic spring between doctor blade and doctor blade frame, electromagnetic spring drives the roll surface that doctor blade is pressed to institute's respective roller.
3. battery pole piece roll squeezer according to claim 2 is characterized in that: described electromagnetic spring is located in the mechanical spring, and a pair of magnetic force unit correspondence of electromagnetic spring is fixedly arranged on doctor blade and the doctor blade frame.
4. battery pole piece roll squeezer according to claim 3 is characterized in that: described a pair of magnetic force unit is made of magnet and the magnet exciting coil that is wrapped on the iron core.
5. battery pole piece roll squeezer according to claim 4 is characterized in that: the polarity of the opposite end of two magnetic force unit is identical.
6. battery pole piece roll squeezer according to claim 5 is characterized in that: under the magnet exciting coil electroless state, have the buffering spacing between two magnetic force unit.
7. according to the described battery pole piece roll squeezer of arbitrary claim among the claim 1-6, it is characterized in that: described doctor blade is made by polytetrafluoroethylmaterial material.
8. according to the described battery pole piece roll squeezer of arbitrary claim among the claim 1-6, it is characterized in that: export a side at pair roller on the frame and also be provided with shovel pole piece device, this device comprises pole piece perching knife and the relieving tool post that is fixedly arranged on the frame, the pole piece perching knife is adjusted bolt by pressure and is installed on the relieving tool post, pressure is adjusted the part of bolt between relieving tool post and pole piece perching knife and is set with compression spring, the pole piece perching knife edge of a knife is adjusted the bolt pressure by pressure and is touched on the top roll roll surface, and the pole piece perching knife edge of a knife is in face of the direction of rotation of top roll.
9. battery pole piece roll squeezer according to claim 8, it is characterized in that: the powder-scraping device of corresponding top roll is located at pair roller and is exported a side, the powder-scraping device of corresponding lower roll is located at pair roller and is imported a side, and the doctor blade edge of a knife of two powder-scraping devices is in face of the direction of rotation of institute's respective roller; The periphery that described pole piece perching knife is curved, be located at the top roll powder-scraping device, the pole piece perching knife is provided with on its cutter hub and top roll opposed inside face receives the powder box carriage, this receipts powder box carriage is positioned at the below of the doctor blade of top roll powder-scraping device, and described receipts powder box is placed on this carriage.
According to Claim 8 in the described battery pole piece roll squeezer of arbitrary claim, it is characterized in that: described perching knife is made by polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200882849U CN201369360Y (en) | 2009-01-20 | 2009-01-20 | Battery pole piece rolling press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200882849U CN201369360Y (en) | 2009-01-20 | 2009-01-20 | Battery pole piece rolling press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369360Y true CN201369360Y (en) | 2009-12-23 |
Family
ID=41488251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200882849U Expired - Fee Related CN201369360Y (en) | 2009-01-20 | 2009-01-20 | Battery pole piece rolling press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201369360Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097614A (en) * | 2010-12-23 | 2011-06-15 | 何卫东 | Rolling combination machine for lithium battery electrode |
| CN108232350A (en) * | 2017-12-28 | 2018-06-29 | 中国科学院广州能源研究所 | A kind of electrode material stripping off device and method suitable for lithium ion battery |
-
2009
- 2009-01-20 CN CNU2009200882849U patent/CN201369360Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097614A (en) * | 2010-12-23 | 2011-06-15 | 何卫东 | Rolling combination machine for lithium battery electrode |
| CN102097614B (en) * | 2010-12-23 | 2013-06-05 | 重庆昆瑜锂业有限公司 | Rolling combination machine for lithium battery electrode |
| CN108232350A (en) * | 2017-12-28 | 2018-06-29 | 中国科学院广州能源研究所 | A kind of electrode material stripping off device and method suitable for lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA NATIONAL AVIATION LITHIUM UOYANG CO., LTD Free format text: FORMER OWNER: SKY ENERGY (LUOYANG) CO., LTD. Effective date: 20100706 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 471003 NO.36, BINHE NORTH ROAD, LUOYANG HIGH + NEW TECHNOLOGY INDUSTRY DEVELOPMENT AREA, LUOYANG CITY, HENAN PROVINCE TO: 471003 5TH FLOOR, FEIHANG BUILDING, NO.16, CHUNCHENG ROAD, LUOYANG CITY HIGH + NEW TECHNOLOGY INDUSTRY DEVELOPMENT ZONE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100706 Address after: The five floor of building 471003 No. 16 flight Luoyang Chuncheng High-tech Development Zone Road Patentee after: China Aviation Lithium Battery Co., Ltd. Address before: 471003 No. 36 Binhe North Road, hi tech Zone, Henan, Luoyang Patentee before: Sky Energy (Luoyang) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20140120 |