CN203242672U - Stamping die for aluminum-plastic film housing of soft packing lithium ion battery - Google Patents
Stamping die for aluminum-plastic film housing of soft packing lithium ion battery Download PDFInfo
- Publication number
- CN203242672U CN203242672U CN2012206985840U CN201220698584U CN203242672U CN 203242672 U CN203242672 U CN 203242672U CN 2012206985840 U CN2012206985840 U CN 2012206985840U CN 201220698584 U CN201220698584 U CN 201220698584U CN 203242672 U CN203242672 U CN 203242672U
- Authority
- CN
- China
- Prior art keywords
- plastic film
- punching press
- aluminum plastic
- stamping head
- aluminum
- 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
Links
Images
Classifications
-
- 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 soft packing lithium ion battery, and a stamping die for an aluminum-plastic film housing of the lithium ion battery, and particularly relates to the stamping die for the aluminum-plastic film housing of the lithium ion battery with a beveled punch. By adopting the die, stretching of an aluminum-plastic film in a stamping process can be reduced; the ratio of fracture of the aluminum-plastic film caused by overstretching is reduced; the qualified rate of production is greatly improved; the cost is reduced; meanwhile, the stamping die is simple and convenient to operate, and easy to produce and implement in batches.
Description
Technical field
The diel of the aluminum plastic film shell of a kind of flexible packing lithium ion battery of the utility model concretely, is a kind of diel of aluminum plastic film shell of the lithium ion battery with inclined-plane drift.
Background technology
In recent years, flexible packing lithium ion battery is fast-developing, and its shell mainly adopts the aluminum plastic film external packing.Present aluminum plastic film mainly consists of by three layers, comprises that nylon layer, metal aluminium lamination and polypropylene (PP) layer form, and thickness is about 0.05-0.50mm.By the method for hot pressing, polypropylene layer heat is merged, reach the purpose of sealing battery core.
Because aluminum plastic film is planar film, needs to strike out corresponding size and dimension according to the size and shape of battery core in the course of processing.What existing process for stamping was commonly used is single hole punching press and two hole punching press, and single hole punching press is once to go out a battery case at aluminum plastic film, usually is applicable to the thinner situation of cell thickness; The punching press of two holes is once to go out two battery cases at battery, usually is applicable to thicker battery.But, no matter be single hole punching press or the punching press of two holes, the punching press plane of the die head of the diel of adopting all is the structure with mould bed punching press plane parallel, this structure stretches to aluminum plastic film equivalent around die head when punching press, local easily drawing crack at the mould corner, particularly when press depth is darker or when adopting the punching press of two holes, the damaged situation of aluminum plastic film all can appear basically, this situation not only reduces production efficiency, increase product cost, and in time do not find, also can cause battery leakage, cause the corrosion of battery outward appearance, or even the problem of catching fire.
Therefore, a kind of like this demand is arranged in the prior art, namely reduce in the punching course stretching to aluminum plastic film, reduce the breakage of aluminum plastic film in punching press.
The utility model content
In order to solve aforementioned technical problem, the utility model proposes the diel of the aluminum plastic film shell of a kind of flexible packing lithium ion battery and this lithium ion battery, concretely, it is a kind of diel of aluminum plastic film shell of the lithium ion battery with inclined-plane drift, can reduce the stretching in the aluminum plastic film punching course, increase the aluminum plastic film press depth, reduce the aluminum plastic film breakage that punching press causes, reduce production costs.
A kind of aluminum plastic film diel of the present utility model, this aluminum plastic film diel comprises punching press patrix and punching press counterdie, at the punching press counterdie stamping head is installed, contain the mould hole corresponding with the stamping head on the punching press counterdie at the punching press patrix, wherein: described stamping head punching press plane is rectangle, and the described mould corresponding with stamping head hole is rectangle.
Described aluminum plastic film diel, wherein: the transition portion of described stamping head punching press plane and side elevation is the arc-shaped transition of rounding, and the radius of rounding is at 2-15mm.
Described aluminum plastic film diel, wherein: described diel on aluminum plastic film press depth at 6.5-15mm.
Described aluminum plastic film diel, wherein: the punching press plane of described stamping head and bottom punch flatten the face angulation at the 2-20 degree.
Described aluminum plastic film diel, wherein: described stamping head comprises be used to the stamping head of the battery case that holds battery core and is used for holding the stamping head of the gasbag of gas that described mould hole comprises be used to the mould hole of the battery case that holds battery core and is used for holding the mould hole of the gasbag of gas.
Described aluminum plastic film diel, wherein: the stamping head of described battery case be used to holding battery core and mould hole comprises that the list that only has a battery case cheats and have two holes of two battery cases.
Described aluminum plastic film diel, wherein: the distance in the moulds hole in the described two holes that are provided with two battery core grooves at the punching press patrix is 2-30mm.
A kind of flexible packing lithium ion battery, comprise battery core and aluminum plastic film shell, the aluminum plastic film shell is wrapped in the inside with battery core, after aluminum plastic film is sealed, through overbaking, fluid injection changes into, secondary encapsulation, cut edge, flanging obtains the finished product battery behind the partial volume, wherein: each described stamping die punching press during described aluminum plastic film employing is above-mentioned.
The diel of the aluminum plastic film shell of a kind of flexible packing lithium ion battery provided by the utility model and this lithium ion battery, concretely, it is a kind of diel of aluminum plastic film shell of the lithium ion battery with inclined-plane drift, because the structure of inclined-plane die head has been adopted in diel, to the stretching of aluminum plastic film, reduce the ratio that causes aluminum plastic film to break because of stretching transition in the time that punching press can being reduced, improved the production qualification rate, reduce cost, this Mould operation is easy simultaneously, is easy to carry out.
Description of drawings
Fig. 1 is single hole punching press patrix vertical view of the present utility model;
Fig. 2 a is single hole punching press counterdie front view of the present utility model;
Fig. 2 b is single hole punching press counterdie vertical view of the present utility model;
Fig. 2 c is single hole punching press counterdie end view of the present utility model;
Fig. 3 a is two hole punching press counterdie front view of the present utility model;
Fig. 3 b is two hole punching press counterdie vertical view of the present utility model;
Fig. 3 c is two hole punching press counterdie end view of the present utility model;
Fig. 4 a is aluminum plastic film front view of the present utility model;
Fig. 4 b is aluminum plastic film vertical view of the present utility model;
Fig. 4 c is the structural representation of aluminum plastic film packaging electric core of the present utility model;
Embodiment
Below with reference to accompanying drawings specific embodiment of the present utility model is described in detail.Should be appreciated that these following detailed descriptions only are used for setting forth concept of the present utility model and detail, thereby be convenient to understand that it is not to be intended to the protection range of this patent is limited within the described embodiment.The modifications and variations that persons skilled in the art have been done the technical scheme among the application according to following description content as long as no breaking away from utility model concept of the present utility model, all are interpreted as having dropped within the protection range of the present utility model.
Fig. 1 is the vertical view of aluminum plastic film list hole punching press patrix 100 of the present utility model, the mould hole 102 that it comprises a battery core groove that can hold a battery core, the mould hole 101 that holds the air bag of the gas that produces in the battery core formation process.
Fig. 2 a is the front view of aluminum plastic film list hole punching press counterdie 200 of the present utility model, in this figure, the stamping surface that has indicated stamping head 202 is the inclined-plane angled with the punching press plane of punching press counterdie 200, and angulation should be at the 2-20 degree, preferably the 5-15 degree; As seen Fig. 2 b is the vertical view of single hole punching press counterdie 200, upper from scheming, the die head 201 that it comprises the die head 202 of the battery core the gone out groove that matches with the mould hole and goes out air bag; Fig. 2 c is the end view of single hole punching press counterdie 200, and as shown, the coupling part of stamping head 202 punching press planes and side elevation is the arc-shaped transition of rounding, and the radius of fillet is at 2-13mm, preferably 4-10mm.
The front view of the two hole punching press of Fig. 3 a aluminum plastic film of the present utility model counterdie 200, in this figure, the stamping surface that has indicated two stamping heads 202 is the inclined-plane angled with the punching press plane of punching press counterdie 200, and angulation should be at the 2-20 degree, preferably the 5-15 degree; As seen Fig. 3 b is the vertical view of two hole punching press counterdies 200, upper from scheming, and it distance that comprises the mould hole that rushes hole die head 202 and 201, two battery core grooves of die head of going out air bag of going out two battery core grooves that matches with the mould hole is 2-30mm, preferably 6-18mm; Fig. 3 c is the end views of two hole punching press counterdies 200, and as shown, the coupling part of stamping head 202 punching press planes and side elevation is the arc-shaped transition of rounding, and the radius of fillet is at 2-15mm, preferably 4-10mm.
In punching course, aluminum plastic film is placed between punching press patrix and the punching press counterdie, and behind punching press patrix and the punching press counterdie matched moulds, the punching press drift stretches the direction of aluminum plastic film along the mould hole under external force, die head withdraws from after reaching the degree of depth of restriction, can obtain the good aluminum plastic film of punching press.
Shown in Fig. 4 a, comprise air bag 301 and battery case 302 on the aluminum plastic film 300 of finished product, battery case 302 has the encapsulating face of the inclination consistent with stamping head, and angle should be at the 2-20 degree, preferably the 5-15 degree; The press depth of battery case is at 6.5-15mm, preferably 7-10mm; Shown in Fig. 4 b, the distance in two holes of two battery core grooves is 2-30mm, preferably 6-18mm.
Shown in Fig. 4 c, battery core 400 is put into plastic-aluminum packaging film 300, aluminum plastic film is wrapped in the inside with battery core, and after aluminum plastic film was sealed, through overbaking, fluid injection changed into, and secondary encapsulation is cut edge, and obtains the finished product battery behind the flanging.
The diel of the aluminum plastic film shell by adopting a kind of flexible packing lithium ion battery provided by the utility model and this lithium ion battery, because the structure of inclined-plane die head has been adopted in diel, in the time of can reducing punching press to the stretching of aluminum plastic film, the ratio that reduction causes aluminum plastic film to break because of stretching transition, improved the production qualification rate, reduce cost, this Mould operation is easy simultaneously, is easy to carry out in batches.
Claims (7)
1. aluminum plastic film diel, it is characterized in that: this aluminum plastic film diel comprises punching press patrix and punching press counterdie, at the punching press counterdie stamping head is installed, contain the mould hole corresponding with the stamping head on the punching press counterdie at the punching press patrix, it is characterized in that: described stamping head punching press plane is rectangle, and the described mould corresponding with stamping head hole is rectangle.
2. aluminum plastic film diel according to claim 1 is characterized in that: the transition portion of described stamping head punching press plane and side elevation is the arc-shaped transition of rounding, and the radius of rounding is at 2-15mm.
3. aluminum plastic film diel according to claim 1 is characterized in that: described diel on aluminum plastic film press depth at 6.5-15mm.
4. aluminum plastic film diel according to claim 1 is characterized in that: the punching press plane of described stamping head and punching press bottom punch flatten the face angulation at the 2-20 degree.
5. aluminum plastic film diel according to claim 1, it is characterized in that: described stamping head comprises be used to the stamping head of the battery case that holds battery core and is used for holding the stamping head of the gasbag of gas that described mould hole comprises be used to the mould hole of the battery case that holds battery core and is used for holding the mould hole of the gasbag of gas.
6. aluminum plastic film diel according to claim 5 is characterized in that: the stamping head of described battery case be used to holding battery core and mould hole comprises that the list that only has a battery case cheats and have two holes of two battery cases.
7. aluminum plastic film diel according to claim 6 is characterized in that: the distance in the moulds hole in the described two holes that are provided with two battery core grooves at the punching press patrix is 2-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206985840U CN203242672U (en) | 2012-12-14 | 2012-12-14 | Stamping die for aluminum-plastic film housing of soft packing lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206985840U CN203242672U (en) | 2012-12-14 | 2012-12-14 | Stamping die for aluminum-plastic film housing of soft packing lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242672U true CN203242672U (en) | 2013-10-16 |
Family
ID=49319934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206985840U Expired - Fee Related CN203242672U (en) | 2012-12-14 | 2012-12-14 | Stamping die for aluminum-plastic film housing of soft packing lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803979A (en) * | 2017-11-24 | 2018-03-16 | 天津冶金职业技术学院 | 3mm minicell shell aluminium-plastic film forming dies |
| CN109964334A (en) * | 2016-11-22 | 2019-07-02 | 昭和电工包装株式会社 | Electric energy storage device external package casing and its manufacturing method |
-
2012
- 2012-12-14 CN CN2012206985840U patent/CN203242672U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109964334A (en) * | 2016-11-22 | 2019-07-02 | 昭和电工包装株式会社 | Electric energy storage device external package casing and its manufacturing method |
| CN109964334B (en) * | 2016-11-22 | 2022-03-22 | 昭和电工包装株式会社 | Outer casing for electricity storage device and method for manufacturing same |
| CN107803979A (en) * | 2017-11-24 | 2018-03-16 | 天津冶金职业技术学院 | 3mm minicell shell aluminium-plastic film forming dies |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104577209B (en) | Lithium battery is longitudinally evacuated sealed in unit | |
| CN203013806U (en) | Aluminum plastic film two-end folding side-pressing device | |
| CN205039213U (en) | Encapsulation head and encapsulation device for flexible package lithium -ion battery cell | |
| CN103872267A (en) | Flexible packaging lithium ion battery and stamping die for aluminum-plastic film housing of same | |
| CN205646005U (en) | Flexible package lithium ion battery | |
| CN209520262U (en) | A kind of aluminum plastic film punching hole mold and soft pack cell | |
| CN203242672U (en) | Stamping die for aluminum-plastic film housing of soft packing lithium ion battery | |
| CN108172921A (en) | The air-exhaust method of soft-package battery | |
| CN208866248U (en) | A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool | |
| CN204885316U (en) | Soft packet of cylinder lithium cell electricity core packaging hardware | |
| CN206628502U (en) | A kind of secondary cell and its plastic-aluminum membrane structure | |
| CN108705761A (en) | A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool and aluminum plastic film rushes shell side method | |
| CN113131003A (en) | Packaging process of soft-packaged battery cell | |
| CN204424383U (en) | The longitudinal sealed in unit of bleeding of lithium battery | |
| CN204102955U (en) | A kind of encapsulation end socket of flexible packing lithium ion electric core and packaging system | |
| CN103354278A (en) | Aluminium plastic film and packaging method for polymer lithium ion battery | |
| CN104157802A (en) | Encapsulation head and encapsulation device for flexible package lithium-ion battery cell | |
| CN202275892U (en) | Double-face vacuum packaging machine | |
| CN113211545A (en) | Terrace die structure for improving deep punching capability of power soft package lithium ion battery | |
| CN204204924U (en) | A kind of cubic battery body structure | |
| CN201736286U (en) | Battery shell mould | |
| CN102593527B (en) | Method for forming polymer lithium ion battery | |
| CN207320176U (en) | A kind of Soft Roll electrical storage device with safety valve and wrapping film used | |
| CN203815149U (en) | Sealing structure for double-layer vehicle-mounted cup without slot positions | |
| CN206301894U (en) | The angle position encapsulation end socket and angle position packaging system of a kind of flexible packing lithium ion electric core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20151214 |
|
| EXPY | Termination of patent right or utility model |