CN203637251U - Lithium battery aluminum-plastic film packing bag stamping male die - Google Patents
Lithium battery aluminum-plastic film packing bag stamping male die Download PDFInfo
- Publication number
- CN203637251U CN203637251U CN201420001747.4U CN201420001747U CN203637251U CN 203637251 U CN203637251 U CN 203637251U CN 201420001747 U CN201420001747 U CN 201420001747U CN 203637251 U CN203637251 U CN 203637251U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- plastic film
- arc
- packaging bag
- shaped transitional
- 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
Abstract
The utility model relates to a lithium battery packing bag stamping die, in particular to a lithium battery aluminum-plastic film packing bag stamping male die, and aims to solve the problems that after lithium battery aluminum-plastic film packing bags are stamped, the thickness of aluminum-plastic film decreases, fine cracks and needle pores easily occur to the lithium battery packing bags during production and application, the top corners of the lithium battery packing bags are damaged more easily, leakage is caused to lithium batteries and failure of cells is caused. The lithium battery aluminum-plastic film packing bag stamping male die is the shape of a rectangle; intersections of two thickness-wise sides of the rectangle with the top of the rectangle are second arc transition faces; the radiuses of the second arc transition faces are both half of the thickness of a lithium battery cell; the top four corners of the rectangular are all provided with spherical transition faces. The lithium battery aluminum-plastic film packing bag stamping male die is applicable to stamping of lithium battery aluminum-plastic film packing bags.
Description
Technical field
The utility model relates to a kind of lithium battery packaging bag press forming die, is specifically related to the stamping punch of a kind of lithium battery packaging bag.
Background technology
Along with lithium battery application more and more widely in people's life, security requirement to lithium battery also improves constantly, the packaging bag of lithium battery, just as the clothes of lithium battery electric core, performance to lithium battery electric core and security play vital effect, the packaging bag of existing lithium battery adopts aluminum plastic film to make through punching press, the shape of diel punch determines the shaping form of aluminum plastic film packaging bag, and directly affect the thickness of aluminum plastic film packaging bag drift angle, after aluminum plastic film packaging bag is stamping, it is serious that lithium battery aluminum plastic film packaging bag thickness reduces attenuation, make to reduce 33% before the relative punching press of lithium battery aluminum plastic film packaging bag thickness, especially the corner position of lithium battery aluminum plastic film packaging bag is more serious, make the front minimizing 40% of the relative punching press of aluminum plastic film thickness of corner position, thereby make the packaging bag of lithium battery aluminum plastic film in production and use procedure, easily produce micro-crack and pin hole, make the drift angle of lithium battery aluminum plastic film packaging bag more easily damaged, cause lithium battery generation leakage, battery core lost efficacy.
Utility model content
The purpose of this utility model is to provide the stamping punch of a kind of lithium battery aluminum plastic film packaging bag, with solve the aluminum plastic film packaging bag of lithium battery stamping after, it is serious that lithium battery aluminum plastic film packaging bag thickness reduces attenuation, especially the corner position of lithium battery aluminum plastic film packaging bag is more serious, thereby make lithium battery packaging bag in production and use procedure, easily produce micro-crack and pin hole, make the drift angle of lithium battery packaging bag more easily damaged, cause lithium battery generation leakage, the problem that battery core lost efficacy.
The utility model is to address the above problem the technical scheme of taking to be: the stamping punch of described lithium battery aluminum plastic film of the present utility model packaging bag is cuboid, be arc-shaped transitional surface two along the two sides of cuboid thickness direction and the intersection place of cuboid end face, be the half of lithium battery electric core thickness along the radius of the arc-shaped transitional surface two at the two sides of cuboid thickness direction and the intersection place of cuboid end face, lithium battery electric core thickness is 2mm～14mm, and four drift angle places of described end face are equipped with spherical transition face.
The utility model compared with prior art has following beneficial effect: the radius of the two sides of thickness direction of the stamping punch of the utility model lithium battery aluminum plastic film packaging bag and the arc-shaped transitional surface 28 at the intersection place of end face is the half of lithium battery electric core thickness, prior art has increased the radius of arc-shaped transitional surface relatively, by increasing arc transition radius surface, the mobility of aluminum plastic film in stamping process increased, aluminum plastic film thickness attenuate degree in Sheet Metal Forming Technology is diminished, thereby guarantee the quality of lithium battery aluminum plastic film packaging bag, solve lithium battery aluminum plastic film packaging bag easy problem that produces micro-crack and pin hole in production and use procedure, and make the coiling battery core laminating of packaging bag and lithium battery closely, make lithium battery outward appearance neat.Four drift angles of end face of the present utility model are spherical transition face, the aluminum plastic film of being convenient to packaging bag drift angle flows in punching course, thereby effectively guarantee the quality of lithium battery plastic-aluminum thickness packaging bag drift angle, solve the more easily problem of breakage of drift angle of lithium battery aluminum plastic film packaging bag, use after the stamping punch of a kind of lithium battery aluminum plastic film of the present utility model packaging bag, the stamping percent defective of lithium battery aluminum plastic film packaging bag reduces by 20%, and the percent defective of lithium battery reduces by 12%.
Accompanying drawing explanation
Fig. 1 is axonometric drawing of the present utility model, and Fig. 2 is the P place enlarged drawing of Fig. 1, and Fig. 3 is working state schematic representation of the present utility model.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 and Fig. 2 explanation, the stamping punch of described lithium battery aluminum plastic film packaging bag of present embodiment is cuboid, be arc-shaped transitional surface 28 along the two sides of cuboid thickness direction and the intersection place of cuboid end face, be the half of lithium battery electric core thickness along the radius of the arc-shaped transitional surface 28 at the two sides of cuboid thickness direction and the intersection place of cuboid end face, lithium battery electric core thickness is 2mm～14mm, and four drift angle places of described end face are equipped with spherical transition face 2.
The specific embodiment two: in conjunction with Fig. 1 and Fig. 2 explanation, the spherical transition face 2 of present embodiment is the spherical transition face of surface roughness Ra 0.05um～Ra0.5um.Make sphere smooth mellow and full, reduce aluminum plastic film attenuation degree.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 2 explanation, the radius of the spherical transition face 2 of present embodiment is that the radius of described arc-shaped transitional surface 28 increases 0.2mm～2mm.Assurance lithium battery aluminium plastic packaging bag is not interfered with naked battery core pole piece generation volume.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 2 explanation, the intersection place of four sides of the stamping punch of lithium battery aluminum plastic film packaging bag of present embodiment is arc-shaped transitional surface 1, be arc-shaped transitional surface 39 along the two sides of cuboid length direction and the intersection place of cuboid end face, each spherical transition face 2 and an arc-shaped transitional surface 1, the intersection of an arc-shaped transitional surface 28 and an arc-shaped transitional surface 39 is fillet surface 3, fillet surface 3 is 0.1mm～10mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 1, fillet surface 3 is 0.1mm～10mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 28, fillet surface 3 is 0.1mm～10mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 39.The useful space that keeps lithium battery aluminium plastic packaging bag inside, makes lithium battery outward appearance neat.In present embodiment, undocumented technical characterictic is identical with the specific embodiment three.
The stamping punch of lithium battery aluminum plastic film packaging bag that adopts mould alloy steel S136 to make, the radius of arc-shaped transitional surface 28 is 1.80mm, the radius of arc-shaped transitional surface 39 is 0.6mm, the radius of spherical transition face 2 is 2.25mm, fillet surface 3 is 1mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 1, fillet surface 3 is 1mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 28, fillet surface 3 is 1mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 39.
Adopt Teflon(Teflon) the stamping punch of lithium battery aluminum plastic film packaging bag made of material, the radius of arc-shaped transitional surface 28 is 2.5mm, the radius of arc-shaped transitional surface 39 is 1mm, the radius of spherical transition face 2 is 3mm, fillet surface 3 is 2mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 1, fillet surface 3 is 2mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 28, fillet surface 3 is 2mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 39.
The stamping punch of lithium battery aluminum plastic film packaging bag that adopts mould alloy steel D2 to make, the radius of arc-shaped transitional surface 28 is 3.5mm, the radius of arc-shaped transitional surface 39 is 1mm, the radius of spherical transition face 2 is 4.2mm, fillet surface 3 is 1mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 1, fillet surface 3 is 1mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 28, fillet surface 3 is 1mm near a side of spherical transition face 2 and near the distance H between a side of arc-shaped transitional surface 39.
Operation principle
By stamping lithium battery aluminum plastic film of the present utility model packaging bag punch location and installation to stamping machine supporting plate 6, aluminum plastic film to be punched 5 is placed on the through hole 5-1 of supporting plate 6 top fixed heads 4, in punching course, the stamping punch of lithium battery aluminum plastic film of the present utility model packaging bag stretches out and fits with the die 7 of supporting plate 6 tops from the upper surface of fixed head 4 through through hole 5-1, and aluminum plastic film to be punched 5 is struck out to lithium battery packaging bag.Because being the half of lithium battery electric core thickness and four drift angles of end face, the radius of arc-shaped transitional surface 28 is spherical transition face 2, make the aluminum plastic film 5 in punching course flow smooth and easy, thereby enough aluminum plastic films 5 are flowed on drift angle place and four sidewalls, guarantee lithium battery aluminum plastic film packaging bag thickness, seen Fig. 3.
Claims (4)
1. the stamping punch of lithium battery aluminum plastic film packaging bag, the stamping punch of described lithium battery aluminum plastic film packaging bag is cuboid, be arc-shaped transitional surface two (8) along the two sides of cuboid thickness direction and the intersection place of cuboid end face, it is characterized in that: be the half of lithium battery electric core thickness along the radius of the two sides of cuboid thickness direction and the arc-shaped transitional surface two (8) at cuboid end face intersection place, four drift angle places of described end face are equipped with spherical transition face (2).
2. the stamping punch of a kind of lithium battery aluminum plastic film according to claim 1 packaging bag, is characterized in that: spherical transition face (2) is the spherical transition face of surface roughness Ra 0.05um～Ra0.5um.
3. the stamping punch of a kind of lithium battery aluminum plastic film according to claim 1 and 2 packaging bag, is characterized in that: the radius of spherical transition face (2) is that the radius of described arc-shaped transitional surface two (8) increases 0.2mm～2mm.
4. the stamping punch of a kind of lithium battery aluminum plastic film according to claim 3 packaging bag, it is characterized in that: the intersection place of four sides of the stamping punch of lithium battery aluminum plastic film packaging bag is arc-shaped transitional surface one (1), be arc-shaped transitional surface three (9) along the two sides of cuboid length direction and the intersection place of cuboid end face, each spherical transition face (2) and an arc-shaped transitional surface one (1), the intersection of an arc-shaped transitional surface two (8) and an arc-shaped transitional surface three (9) is fillet surface (3), fillet surface (3) is 0.1mm～10mm near a side of spherical transition face (2) and near the distance (H) between a side of arc-shaped transitional surface one (1), fillet surface (3) is 0.1mm～10mm near a side of spherical transition face (2) and near the distance (H) between a side of arc-shaped transitional surface two (8), fillet surface (3) is 0.1mm～10mm near a side of spherical transition face (2) and near the distance (H) between a side of arc-shaped transitional surface three (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001747.4U CN203637251U (en) | 2014-01-02 | 2014-01-02 | Lithium battery aluminum-plastic film packing bag stamping male die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001747.4U CN203637251U (en) | 2014-01-02 | 2014-01-02 | Lithium battery aluminum-plastic film packing bag stamping male die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637251U true CN203637251U (en) | 2014-06-11 |
Family
ID=50868528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420001747.4U Expired - Fee Related CN203637251U (en) | 2014-01-02 | 2014-01-02 | Lithium battery aluminum-plastic film packing bag stamping male die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203637251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340182A (en) * | 2016-09-29 | 2017-11-10 | 哈尔滨理工大学 | Weigh the measuring method of soft package lithium battery punching press packaging bag security |
| CN113211545A (en) * | 2021-03-15 | 2021-08-06 | 万向一二三股份公司 | Terrace die structure for improving deep punching capability of power soft package lithium ion battery |
-
2014
- 2014-01-02 CN CN201420001747.4U patent/CN203637251U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340182A (en) * | 2016-09-29 | 2017-11-10 | 哈尔滨理工大学 | Weigh the measuring method of soft package lithium battery punching press packaging bag security |
| CN113211545A (en) * | 2021-03-15 | 2021-08-06 | 万向一二三股份公司 | Terrace die structure for improving deep punching capability of power soft package lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203637251U (en) | Lithium battery aluminum-plastic film packing bag stamping male die | |
| CN206305313U (en) | Automobile top cover middle transverse beam drawing die | |
| CN206628502U (en) | A kind of secondary cell and its plastic-aluminum membrane structure | |
| CN202712278U (en) | Aluminum plastic film of polymer lithium ion battery | |
| CN202506746U (en) | Bender upper die for processing closed workpieces | |
| CN204135187U (en) | One is bended engraving die | |
| CN202938684U (en) | Combined-type collecting main of automobile heat exchanger | |
| CN207288614U (en) | One kind draws bag mould | |
| CN207170657U (en) | A kind of drift for punching | |
| CN207490042U (en) | A kind of edge-folding mechanism | |
| CN203464870U (en) | Burr testing fixture for punching sheet | |
| CN205177930U (en) | Prevent short circuit battery | |
| CN202607721U (en) | Aluminum-plastic composite film stamping mould for soft package cell | |
| CN203621849U (en) | Pressed end enclosure for boilers or pressure vessels | |
| CN205967156U (en) | Mould sheet material movable positioning device | |
| CN203552873U (en) | Corrugated fuel tank | |
| CN104226821B (en) | A kind of diel for the punch-pin of punching press anti-cracking squash type boss and provided with the punch-pin | |
| CN203673930U (en) | Spliced type iron, silicon and aluminum reactor iron core | |
| CN202597922U (en) | Needle frame main tube and forming die thereof | |
| CN203565665U (en) | Lower die of steel plate bending machine | |
| CN210754698U (en) | Shell mould is dashed to template all-in-one about plastic-aluminum membrane | |
| CN212193892U (en) | Device for preventing lithium battery packaging film from punching shell to deform | |
| CN203218392U (en) | Lithium-ion battery structure | |
| CN205828553U (en) | Cast-weld fixture shaping bar clearance structure | |
| CN215317223U (en) | Thin-wall part machining device |
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: 20140611 Termination date: 20150102 |
|
| EXPY | Termination of patent right or utility model |