CN102916155B - A kind of equipment reducing winding flexible packing battery core back step - Google Patents
A kind of equipment reducing winding flexible packing battery core back step Download PDFInfo
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- CN102916155B CN102916155B CN201210404613.2A CN201210404613A CN102916155B CN 102916155 B CN102916155 B CN 102916155B CN 201210404613 A CN201210404613 A CN 201210404613A CN 102916155 B CN102916155 B CN 102916155B
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- compressing tablet
- lug
- battery core
- flexible packing
- bending
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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 Mounting, Suspending (AREA)
Abstract
The present invention discloses a kind of equipment reducing winding flexible packing battery core back step, comprise base, fixing lug compressing tablet and bending lug compressing tablet, base both sides are provided with pressure sheet support frame, and bracing frame is connected to fixing lug compressing tablet and bending lug compressing tablet. The present invention can effectively make pole piece carry out bending process, utilizes the winding flexible packing lithium ionic battery core produced by the present invention, and its back side, envelope position, battery core top step does not almost have, and that can greatly improve envelope front, position, top step utilizes space.
Description
Technical field
The invention belongs to technical field of lithium ion, in particular to a kind of equipment reducing winding flexible packing battery core back step.
Background technology
Lithium ion battery as the secondary cell of a kind of environmental protection, at handheld device as the fields such as mobile phone, pick up camera, notebook computer are widely applied. But, along with the development of modern society, numerous handheld device all develops to " little, light, thin " direction, and in order to meet these equipment to the requirement of size, it is thinner that its propulsion source (battery) also must do.
Meanwhile, in order to ensure the safety of battery, protection circuit card (PCB) when assembled battery, can be installed usually in the envelope position, top of battery core by the manufacturerss of battery, and the thickness of this protection circuit card is generally between 2.5 ~ 3.0mm. In order to not affect the integral energy density of battery, this protection circuit card is placed in envelope front, battery core top stepped locations usually.
But, in order to accurately locate lug, the lug of winding flexible packing lithium ionic battery core is normally drawn in the middle of battery core thickness direction, and when top encapsulation, lug will certainly pull package foil bottom battery core, and this just causes the back side, envelope position, battery core top after encapsulating to there will be a step. Owing to battery core general thickness is certain, after the back side, envelope position, battery core top there will be step, the step in front, envelope position, battery core top is corresponding can be reduced, and this front step is exactly the effective space being installed protection circuit card. When the thickness of battery core own is less, envelope front, position, top bench height is corresponding less, and the problem that front, envelope position, this kind of battery core top step does not hold protection circuit card just becomes particularly to give prominence to.
Also not having good method to overcome the above problems in current industry, unless battery core is made lamination structure, but the battery core security of lamination structure is very poor. Given this, a kind of equipment reducing winding flexible packing battery core back step of necessary offer.
Summary of the invention
In order to overcome above-mentioned deficiency, it is an object of the invention to provide a kind of equipment reducing winding flexible packing battery core back step, use this equipment can under the overall dimensions prerequisite not affecting battery core, effectively reduce winding flexible packing battery core back step, thus improve envelope front, position, top step utilize space.
In order to achieve the above object, the technical scheme of the present invention is as follows: a kind of equipment reducing winding flexible packing battery core back step, comprise base, fixing lug compressing tablet and bending lug compressing tablet, base both sides are provided with pressure sheet support frame, and bracing frame is connected to fixing lug compressing tablet and bending lug compressing tablet. The present invention can effectively make pole piece carry out bending process, utilizes the winding flexible packing lithium ionic battery core produced by the present invention, and its back side, envelope position, battery core top step does not almost have, and that can greatly improve envelope front, position, top step utilizes space.
As a further improvement on the present invention, bending lug compressing tablet is provided with outstanding lug pressure head, and lug pressure head both sides are respectively fixedly connected with a compressing tablet spring. Such structure can make bending lug compressing tablet well be fixed on base, coordinates with fixing lug compressing tablet.
As a further improvement on the present invention, lug pressure head is through fixing lug compressing tablet, and is buckled on fixing lug compressing tablet, is provided with compressing tablet spring between fixing lug compressing tablet and bending lug compressing tablet. Fixing lug compressing tablet is connected with bending lug compressing tablet, it is possible to make the effective bending of the pole piece of winding flexible packing lithium ionic battery core, and that can greatly improve envelope front, position, top step utilizes space.
As a further improvement on the present invention, fixing lug compressing tablet comprises preposition static probe and rearmounted static probe, is provided with fixing lug compressing tablet vacancy section between preposition static probe and rearmounted static probe. Such structure can make fixing lug compressing tablet well be fixed on base, coordinates with bending lug compressing tablet.
As a further improvement on the present invention, base is respectively arranged with naked battery core main body rest area and lug rest area, is provided with lug barrier rib between naked battery core main body rest area and lug rest area.
As a further improvement on the present invention, pressure sheet support erection is equipped with bracing frame compression spring and compressing tablet guide rail. The setting of bracing frame compression spring and compressing tablet guide rail is to make fixing lug compressing tablet be fixed on base with bending lug compressing tablet.
As a further improvement on the present invention, lug pressure head top is provided with pressure head barrier sheet. Pressure head barrier sheet is possible to prevent the disengaging of fixing lug compressing tablet with bending lug compressing tablet.
Hinge structure, the useful effect of the present invention is: a kind of equipment reducing winding flexible packing battery core back step, comprises base, the pressure sheet support frame being fixedly installed on base both sides, the fixing lug compressing tablet being connected with two pressure sheet support framves, and bending lug compressing tablet. Its useful effect is: 1, equipment effectively reduces winding flexible packing battery core back step by the inner lug of bending battery core, thus improve front, envelope position, flexible packaged battery core top step utilize space, making thinner battery core and the protection circuit card collocation of more moneys, the scope of application is more extensive; 2, the battery core using this equipment making to go out does not affect overall dimensions and the energy density of battery core; 3, using this equipment step that can be worked by inner for battery core lug bending to complete, whole operating process is simple, efficiency height.
Accompanying drawing explanation
Fig. 1 is the base schematic diagram of the present invention.
Fig. 2 is the fixing lug compressing tablet schematic diagram of the present invention.
Fig. 3 is the position view that the fixing lug compressing tablet of the present invention is placed on base.
Fig. 4 is the bending lug compressing tablet of the present invention and the schematic diagram of fixing lug compressing tablet cooperation.
Fig. 5 is the structural representation of the present invention.
Embodiment
In order to make the object of the present invention, technical scheme and advantage are more clear, in conjunction with the following drawings, it are further described, with reference to shown in Fig. 1��5.
Reducing an equipment for winding flexible packing battery core back step, comprise base 1, fixing lug compressing tablet 2 and bending lug compressing tablet 3, base 1 both sides are provided with pressure sheet support frame 14, and bracing frame 14 is connected to fixing lug compressing tablet 2 and bending lug compressing tablet 3. The present invention can effectively make pole piece carry out bending process, utilizes the winding flexible packing lithium ionic battery core produced by the present invention, and its back side, envelope position, battery core top step does not almost have, and that can greatly improve envelope front, position, top step utilizes space.
Bending lug compressing tablet 3 is provided with outstanding lug pressure head 31, and lug pressure head 31 both sides are respectively fixedly connected with a compressing tablet spring 32. Such structure can make bending lug compressing tablet 3 well be fixed on base 1, coordinates with fixing lug compressing tablet 2.
Lug pressure head 31 is through fixing lug compressing tablet 2, and is buckled on fixing lug compressing tablet 2, is provided with compressing tablet spring 32 between fixing lug compressing tablet 2 and bending lug compressing tablet 3. Fixing lug compressing tablet 2 is connected with bending lug compressing tablet 3, it is possible to make the effective bending of the pole piece of winding flexible packing lithium ionic battery core, and that can greatly improve envelope front, position, top step utilizes space.
Fixing lug compressing tablet 2 comprises preposition static probe 21 and rearmounted static probe 22, is provided with fixing lug compressing tablet vacancy section 23 between preposition static probe 21 and rearmounted static probe 22. Such structure can make fixing lug compressing tablet 2 well be fixed on base 1, coordinates with bending lug compressing tablet 3.
Base 1 is respectively arranged with naked battery core main body rest area 11 and lug rest area 12, is provided with lug barrier rib 13 between naked battery core main body rest area 11 and lug rest area 12.
Pressure sheet support frame 14 is provided with bracing frame compression spring 141 and compressing tablet guide rail 142. The setting of bracing frame compression spring 141 and compressing tablet guide rail 142 is to make fixing lug compressing tablet 2 be fixed on base 1 with bending lug compressing tablet 3.
Lug pressure head 31 top is provided with pressure head barrier sheet 310. Pressure head barrier sheet 310 is possible to prevent the disengaging of fixing lug compressing tablet 2 with bending lug compressing tablet 3.
The cell polar ear of suitable length is placed between fixing lug compressing tablet 2 and bending lug compressing tablet 3, by bending lug compressing tablet 3 is applied pressure, make compressing tablet spring 32 that deformation occur, simultaneously bend lug compressing tablet 3 due to reactive force make cell polar ear occur first time bending, bending angle is 90 ~ 120 degree; Cancelling pressure, compressing tablet spring 32 recovers deformation, suitable adjustment cell polar ear position, repeats aforesaid operations, cell polar ear is bent in the 2nd bent area, and bending angle is 90 ~ 120 degree.
Utilizing the lug of the winding flexible packing lithium ionic battery core produced by the present invention to be formed with the first bent area, the 2nd bent area, and lug first bent area bending angle is 90 ~ 120 degree, the bending angle of lug the 2nd bent area is 90 ~ 120 degree; Kink height between first lug bending district and lug the 2nd bent area can adjust according to battery core actual (real) thickness.
The announcement of book and guidance according to the above description, above-mentioned enforcement mode can also be carried out suitable change and amendment by those skilled in the art in the invention. Therefore, it is intended that the invention not be limited to embodiment disclosed and described above, some modifications and changes of the present invention also should be fallen in the protection domain of claim of the present invention. In addition, although employing some specific terms in this specification sheets, but these terms are just for convenience of description, and the present invention does not form any restriction.
Claims (5)
1. one kind is reduced the equipment of winding flexible packing battery core back step; it is characterized in that: comprise base (1), fixing lug compressing tablet (2) and bending lug compressing tablet (3); base (1) both sides are provided with pressure sheet support frame (14), and bracing frame (14) is connected to fixing lug compressing tablet (2) and bending lug compressing tablet (3); Described bending lug compressing tablet (3) is provided with outstanding lug pressure head (31), and described lug pressure head (31) both sides are respectively fixedly connected with a compressing tablet spring (32); Described lug pressure head (31) is through described fixing lug compressing tablet (2), and is buckled on described fixing lug compressing tablet (2), is provided with compressing tablet spring (32) between described fixing lug compressing tablet (2) and described bending lug compressing tablet (3).
2. the equipment of reduction winding flexible packing battery core back according to claim 1 step, it is characterized in that: described fixing lug compressing tablet (2) comprises preposition static probe (21) and rearmounted static probe (22), between described preposition static probe (21) and described rearmounted static probe (22), it is provided with fixing lug compressing tablet vacancy section (23).
3. the equipment of reduction winding flexible packing battery core back according to claim 1 step, it is characterized in that: described base (1) is respectively arranged with naked battery core main body rest area (11) and lug rest area (12), between described naked battery core main body rest area (11) and described lug rest area (12), it is provided with lug barrier rib (13).
4. the equipment of reduction winding flexible packing battery core back according to claim 1 step, it is characterised in that: described pressure sheet support frame (14) is provided with bracing frame compression spring (141) and compressing tablet guide rail (142).
5. the equipment of reduction winding flexible packing battery core back according to claim 1 step, it is characterised in that: described lug pressure head (31) top is provided with pressure head barrier sheet (310).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210404613.2A CN102916155B (en) | 2012-10-23 | 2012-10-23 | A kind of equipment reducing winding flexible packing battery core back step |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210404613.2A CN102916155B (en) | 2012-10-23 | 2012-10-23 | A kind of equipment reducing winding flexible packing battery core back step |
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CN102916155A CN102916155A (en) | 2013-02-06 |
CN102916155B true CN102916155B (en) | 2016-06-01 |
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CN103840114A (en) * | 2014-03-17 | 2014-06-04 | 山东润峰集团新能源科技有限公司 | Pole lug welding seat of lithium ion battery |
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JPH04199646A (en) * | 1990-11-29 | 1992-07-20 | Yamada Seisakusho Co Ltd | Method of bending lead of film carrier for tab use and lead bending device |
JPH09213860A (en) * | 1996-02-02 | 1997-08-15 | Ueno Seiki Kk | Semiconductor lead forming method |
JP2001160389A (en) * | 1999-12-01 | 2001-06-12 | Toshiba Battery Co Ltd | Lead-folding apparatus |
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