CN202127057U - Rolling machine of pole pieces of lithium ion power battery - Google Patents
Rolling machine of pole pieces of lithium ion power battery Download PDFInfo
- Publication number
- CN202127057U CN202127057U CN2011201907569U CN201120190756U CN202127057U CN 202127057 U CN202127057 U CN 202127057U CN 2011201907569 U CN2011201907569 U CN 2011201907569U CN 201120190756 U CN201120190756 U CN 201120190756U CN 202127057 U CN202127057 U CN 202127057U
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- China
- Prior art keywords
- powder
- doctor blade
- roll
- frame
- lithium ion
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- 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
Abstract
The utility model discloses a rolling machine, in particular to a rolling machine of pole pieces of a lithium ion power battery, which is capable of ensuring rolling quality and effectively reducing equipment maintenance cost and high in safety. The rolling machine comprises a machine frame (1) and rollers (2 and 3) which are vertically arranged on the machine frame (1) in rotating fit. The machine frame (1) is further provided with a powder scraping device (4) which comprises a powder scraping knife rest (41) and a plurality of split powder scraping knives (42). The powder scraping knives (42) face rotating directions of corresponding roller bodies and are arranged on the powder scraping knife rest (41) through mechanical springs (5) distributed at intervals on the powder scraping knife rest (41) in the axial direction along corresponding roller bodies. The powder scraping device (4) further comprises a powder holding box (43) arranged under the powder scraping knives (42), and a powder thickness infrared detection device is arranged on the machine frame (1). The rolling machine can be widely used in the field of power battery production.
Description
Technical field
The utility model relates to a kind of lithium ion power cell pole flakes roll squeezer.
Background technology
Comprise in the production process that at lithium-ion-power cell the rolling step of battery pole piece is the key link in the battery manufacturing process.At present, common battery pole piece roll squeezer is that one group of pair roller is installed on frame, and this group pair roller is implemented roll-in to battery pole piece under the driving of electric power.In the process of roll-in; Because the slipping property and the moisture absorption of negative pole piece of battery being powder; The influence and the electrostatic interaction of battery pole piece pair roller surface fineness during roll-in in addition; The being powder very easily sticks on the roll body surface, and roll squeezer is not equipped with corresponding dust cleaning apparatus, so need artificial pair roller surface to clean.If online cleaning, then except meeting causes security incident, also can drop to the powder that scrapes on the pole piece pole piece is polluted, thereby can influence the quality of the battery pole piece of processing, directly influence the performance of electrokinetic cell; In addition, be easy to stick on the roll body,, cause pole piece, cause the pole piece distortion serious, even cause waste product by the secondary roll-in along with volume or last volume on top roll or the lower roll by the battery pole piece of roll-in; When adopting the doctor blade tool of integrative-structure; When cutter appearance wearing and tearing, the doctor blade of integrative-structure just can't strike off the powder that the abrading section adheres to, and causes the powder cleaning on roll body surface not thorough; Can not guarantee the pole piece quality of follow-up manufacturing; If the doctor blade to wearing and tearing is changed, then need increase a large amount of human and material resources inputs, improved the maintenance cost of equipment.
The utility model content
The utility model technical problem to be solved is the deficiency that overcomes prior art, provides a kind of and can guarantee the roll-in quality, can effectively reduce cost of equipment maintenance, and the lithium ion power cell pole flakes roll squeezer of higher fail safe is arranged simultaneously.
The technical scheme that the utility model adopted is: the utility model comprises frame, the pair roller that is provided with up and down on said frame is rotatably assorted; On said frame, also be provided with said pair roller in the corresponding respectively powder-scraping device of top roll and lower roll; Said powder-scraping device comprises the doctor blade frame that is connected mutually with said frame and the doctor blade of some splits; Said doctor blade is met to the roll body rotation direction of correspondence and through the respective roller axon is arranged on the said doctor blade frame to mechanical spring spaced apart in said doctor blade frame upper edge; Balance setting has electromagnetic spring between said doctor blade and said doctor blade frame; Said electromagnetic spring drives the roll body surface that said doctor blade is pressed to respective roller, and said powder-scraping device also comprises the powder box that connects that is arranged at said doctor blade below, and said frame is provided with the thick infrared detecting device of powder; The thick infrared detecting device of said powder is connected with peripheral signal processing system, and said electromagnetic spring is connected with said signal processing system.
The thick infrared detecting device of said powder comprises infrared signal emitter and infrared signal receiving apparatus; Said infrared signal emitter and infrared signal receiving apparatus are separately positioned on the both sides of said frame, and the signal that said infrared signal emitter sends and the roll shaft heart of said pair roller parallel.
Said electromagnetic spring is arranged in the said mechanical spring; Said electromagnetic spring comprises the magnet that is oppositely arranged and is wrapped in the magnet exciting coil on the iron core; Said magnet and said magnet exciting coil are fixedly installed on respectively on said doctor blade frame and the said doctor blade, under power failure state, have a determining deviation between said magnet and the said magnet exciting coil.
On said frame, also be provided with shovel sheet carriage; On said shovel sheet carriage, be provided with the shovel sheet through pressure adjustment bolt; The part that said pressure adjustment bolt is between said shovel sheet carriage and the said shovel sheet is arranged with compression spring, and the edge of a knife of said shovel sheet is pressed on the corresponding roll body surface through said compression spring in face of the rotation direction of the roll body of correspondence.
The cross section of said shovel sheet is curved, and the madial wall of said shovel sheet is provided with the powder box pallet, and the said powder box that connects is arranged in the said powder box pallet.
Said powder-scraping device is arranged at the side that said top roll is exported with respect to the rotation direction of said top roll, and said powder-scraping device is arranged at a side of said lower roll input with respect to the rotation direction of said lower roll.
The beneficial effect of the utility model is: because the utility model comprises frame, the pair roller that is provided with up and down on said frame is rotatably assorted; On said frame, also be provided with said pair roller in the corresponding respectively powder-scraping device of top roll and lower roll; Said powder-scraping device comprises the doctor blade frame that is connected mutually with said frame and the doctor blade of some splits; Said doctor blade is met to the roll body rotation direction of correspondence and through the respective roller axon is arranged on the said doctor blade frame to mechanical spring spaced apart in said doctor blade frame upper edge, and balance setting has electromagnetic spring between said doctor blade and said doctor blade frame, and said electromagnetic spring drives the roll body surface that said doctor blade is pressed to respective roller; Said powder-scraping device also comprises the powder box that connects that is arranged at said doctor blade below; So,, guaranteed that the powder on the pair roller roll body is thoroughly cleaned through said powder-scraping device and the said setting that connects powder box; Guarantee that simultaneously pole piece is not secondary polluted; Guaranteed the roll-in quality of pole piece admirably, the operation that this has also been avoided shutting down gumming has improved production efficiency and fail safe indirectly; Be arranged to the form of some splits to doctor blade, when wearing and tearing appear in cutter, can only pull down the single cutter of damage, this has just greatly reduced the maintenance cost of equipment.
Owing on said frame, also be provided with shovel sheet carriage; On said shovel sheet carriage, be provided with the shovel sheet through pressure adjustment bolt; The part that said pressure adjustment bolt is between said shovel sheet carriage and the said shovel sheet is arranged with compression spring; The edge of a knife of said shovel sheet is pressed on the corresponding roll body surface through said compression spring in face of the rotation direction of the roll body of correspondence, so such battery pole piece through roll-in that is arranged so that can not stick on top roll or the lower roll; Cause the secondary roll-in, this has just guaranteed the quality of pole piece roll-in.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 is the assembly structure sketch map of said mechanical spring.
Embodiment
Like Fig. 1, shown in Figure 2, the utility model comprises frame 1, the pair roller that is provided with up and down on said frame 1 of being rotatably assorted, and said pair roller comprises top roll 2 and lower roll 3.On said frame 1, also be provided with the powder-scraping device 4 corresponding respectively with lower roll 3 with said top roll 2; Said powder-scraping device 4 comprises the doctor blade 42 of the doctor blade frame that is connected mutually with said frame 1 41 and some splits; In the present embodiment, the number of the doctor blade 42 of said split is set to three.Said doctor blade 42 is met to the roll body rotation direction of correspondence and through being arranged on the said doctor blade frame 41 to mechanical spring spaced apart 5 in said doctor blade frame 41 upper edge respective roller axons.Balance setting has electromagnetic spring between said doctor blade 42 and said doctor blade frame 41, and said electromagnetic spring drives the roll body surface that said doctor blade 42 is pressed to respective roller.Said frame 1 is provided with the thick infrared detecting device of powder, and the thick infrared detecting device of said powder is connected with peripheral signal processing system, and said electromagnetic spring is connected with said signal processing system.The thick infrared detecting device of said powder comprises infrared signal emitter and infrared signal receiving apparatus; Said infrared signal emitter and infrared signal receiving apparatus are separately positioned on the both sides of said frame 1, and the signal that said infrared signal emitter sends and the roll shaft heart of said pair roller parallel.Said powder-scraping device 4 also comprise be arranged at said doctor blade 42 belows connect powder box 43.On said frame 1, also be provided with shovel sheet carriage 7; On said shovel sheet carriage 7, be provided with shovel sheet 9 through pressure adjustment bolt 8; The part that said pressure adjustment bolt 8 is between said shovel sheet carriage 7 and the said shovel sheet 9 is arranged with compression spring 10, and the edge of a knife of said shovel sheet 9 is pressed on the corresponding roll body surface through said compression spring 10 in face of the rotation direction of the roll body of correspondence.The cross section of said shovel sheet 9 is curved, and the madial wall of said shovel sheet 9 is provided with powder box pallet 91, and the said powder box 43 that connects is arranged in the said powder box pallet 91.
Said electromagnetic spring is arranged in the said mechanical spring 5; Said electromagnetic spring comprises the magnet 61 that is oppositely arranged and is wrapped in the magnet exciting coil 62 on the iron core; Said magnet 61 is fixedly installed on respectively on said doctor blade frame 41 and the said doctor blade 42 with said magnet exciting coil 62, under power failure state, has a determining deviation between said magnet 61 and the said magnet exciting coil 62.In the present embodiment, said powder-scraping device 4 is arranged at the side that said top roll 2 is exported with respect to the rotation direction of said top roll 2, and said powder-scraping device 4 is arranged at a side of said lower roll 3 inputs with respect to the rotation direction of said lower roll 3.
The course of work of the utility model is following: the thick infrared detecting device of said powder detects adhering to powder thickness on the roll body; Send infrared signal by said infrared signal emitter; Send into peripheral said signal processing system after said infrared signal receiving apparatus receives this signal and is translated into the signal of telecommunication, when the thickness of the powder that adheres on the roll body acquired a certain degree signal attenuation, said signal processing system was sent and is scraped the powder instruction; Through feeding certain magnitude of current for said magnet exciting coil 62; Said magnet 61 drives said doctor blade 42 and moves the surface of pressing to roll body under the effect of repulsive force, scrape powder, reaches the purpose to the roll body cleaning; At this moment, the said shovel sheet 9 of said compression spring 10 appropriateness controls makes and produces the pressure that is fit between said shovel sheet 9 and the corresponding roll body.On by the pole piece of roll-in when volume or last volume, will be down by said shovel sheet 9 shovels, this has just prevented that roll body from carrying pole piece and carrying out the secondary roll-in.The powder that scrapes is reclaimed by the said powder box 43 that connects, and when reclaiming powder, directly takes out the said powder box 43 that connects and gets final product.
In sum, the utility model can be widely used in the electrokinetic cell production field.
Claims (6)
1. lithium ion power cell pole flakes roll squeezer; Comprise frame (1), the pair roller (2 that is provided with up and down on said frame (1) is rotatably assorted; 3); It is characterized in that: on said frame (1), also be provided with and said pair roller (2; 3) powder-scraping device (4) that top roll in (2) and lower roll (3) are corresponding respectively; Said powder-scraping device (4) comprises the doctor blade frame (41) that is connected mutually with said frame (1) and the doctor blade (42) of some splits; Said doctor blade (42) is met to the roll body rotation direction of correspondence and through the respective roller axon is arranged on the said doctor blade frame (41) to mechanical spring spaced apart (5) in said doctor blade frame (41) upper edge, and balance setting has electromagnetic spring between said doctor blade (42) and said doctor blade frame (41), and said electromagnetic spring drives the roll body surface that said doctor blade (42) is pressed to respective roller; Said powder-scraping device (4) also comprise be arranged at said doctor blade (42) below connect powder box (43); Said frame (1) is provided with the thick infrared detecting device of powder, and the thick infrared detecting device of said powder is connected with peripheral signal processing system, and said electromagnetic spring is connected with said signal processing system.
2. lithium ion power cell pole flakes roll squeezer according to claim 1; It is characterized in that: the thick infrared detecting device of said powder comprises infrared signal emitter and infrared signal receiving apparatus; Said infrared signal emitter and infrared signal receiving apparatus are separately positioned on the both sides of said frame (1), and the signal that said infrared signal emitter sends and the roll shaft heart of said pair roller parallel.
3. lithium ion power cell pole flakes roll squeezer according to claim 1; It is characterized in that: said electromagnetic spring is arranged in the said mechanical spring (5); Said electromagnetic spring comprises the magnet (61) that is oppositely arranged and is wrapped in the magnet exciting coil (62) on the iron core; Said magnet (61) and said magnet exciting coil (62) are fixedly installed on respectively on said doctor blade frame (41) and the said doctor blade (42), under power failure state, have a determining deviation between said magnet (61) and the said magnet exciting coil (62).
4. lithium ion power cell pole flakes roll squeezer according to claim 1; It is characterized in that: on said frame (1), also be provided with shovel sheet carriage (7); Upward be provided with shovel sheet (9) at said shovel sheet carriage (7) through pressure adjustment bolt (8); The part that said pressure adjustment bolt (8) is between said shovel sheet carriage (7) and the said shovel sheet (9) is arranged with compression spring (10), and the edge of a knife of said shovel sheet (9) is pressed on the corresponding roll body surface through said compression spring (10) in face of the rotation direction of the roll body of correspondence.
5. lithium ion power cell pole flakes roll squeezer according to claim 4; It is characterized in that: the cross section of said shovel sheet (9) is curved; The madial wall of said shovel sheet (9) is provided with powder box pallet (91), and the said powder box (43) that connects is arranged in the said powder box pallet (91).
6. lithium ion power cell pole flakes roll squeezer according to claim 1; It is characterized in that: said powder-scraping device (4) is arranged at the side that said top roll (2) is exported with respect to the rotation direction of said top roll (2), and said powder-scraping device (4) is arranged at a side of said lower roll (3) input with respect to the rotation direction of said lower roll (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201907569U CN202127057U (en) | 2011-06-08 | 2011-06-08 | Rolling machine of pole pieces of lithium ion power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201907569U CN202127057U (en) | 2011-06-08 | 2011-06-08 | Rolling machine of pole pieces of lithium ion power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202127057U true CN202127057U (en) | 2012-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201907569U Expired - Fee Related CN202127057U (en) | 2011-06-08 | 2011-06-08 | Rolling machine of pole pieces of lithium ion power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202127057U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393229A (en) * | 2014-07-31 | 2015-03-04 | 中天储能科技有限公司 | Automatic control system and control method for compaction density of pole piece |
| CN104681775A (en) * | 2015-01-30 | 2015-06-03 | 中天储能科技有限公司 | Automatic compaction density control system and automatic compaction density control method |
| CN109088044A (en) * | 2018-06-28 | 2018-12-25 | 合肥国轩高科动力能源有限公司 | A kind of roll-in cutting integration apparatus for new energy battery manufacture |
| CN110085807A (en) * | 2019-03-16 | 2019-08-02 | 米开罗那机电技术（湖北）股份有限公司 | A kind of lithium battery pole slice twin rollers are with scraping roller arrangement |
-
2011
- 2011-06-08 CN CN2011201907569U patent/CN202127057U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393229A (en) * | 2014-07-31 | 2015-03-04 | 中天储能科技有限公司 | Automatic control system and control method for compaction density of pole piece |
| CN104393229B (en) * | 2014-07-31 | 2016-08-24 | 中天储能科技有限公司 | A kind of compacted density automatic control system and control method |
| CN104681775A (en) * | 2015-01-30 | 2015-06-03 | 中天储能科技有限公司 | Automatic compaction density control system and automatic compaction density control method |
| CN109088044A (en) * | 2018-06-28 | 2018-12-25 | 合肥国轩高科动力能源有限公司 | A kind of roll-in cutting integration apparatus for new energy battery manufacture |
| CN109088044B (en) * | 2018-06-28 | 2021-07-06 | 合肥国轩高科动力能源有限公司 | Rolling and slitting integrated equipment for manufacturing new energy battery |
| CN110085807A (en) * | 2019-03-16 | 2019-08-02 | 米开罗那机电技术（湖北）股份有限公司 | A kind of lithium battery pole slice twin rollers are with scraping roller arrangement |
| CN110085807B (en) * | 2019-03-16 | 2024-03-19 | 湖北米开罗那机电技术有限公司 | Roller scraping device for lithium battery pole piece roller pair machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20140608 |