CN209520237U - Manufacture the device of soft-package battery shell - Google Patents
Manufacture the device of soft-package battery shell Download PDFInfo
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- CN209520237U CN209520237U CN201920112134.0U CN201920112134U CN209520237U CN 209520237 U CN209520237 U CN 209520237U CN 201920112134 U CN201920112134 U CN 201920112134U CN 209520237 U CN209520237 U CN 209520237U
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- Prior art keywords
- formed punch
- soft
- mold
- space
- package battery
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of device for manufacturing soft-package battery shell, and described device includes: formed punch, include in the horizontal plane intersect with each other first while and when second, and include third side on vertical plane, the first side is than the second side length；Mold, it is arranged in below formed punch and there is the space for making the molding sky of moulding material, formed punch will be in the space of moulding material press-in die, wherein, first plane constituted while with second faces mold, and the first side of the formed punch, second side, third is while first, second while and when third the angle that constitutes it is rounded, the rounded radius in first side is 0.4-0.6 times of the depth of the inner space of soft-package battery shell, second side, the rounded radius in the third side and the angle is respectively 0.2-0.4 times of the depth of the inner space of soft-package battery shell.According to the utility model, the appearance of soft-package battery shell can be improved and can be to avoid product leakage risk.
Description
Technical field
The utility model relates to soft-package battery shell forming fields, more particularly, to a kind of manufacture soft-package battery shell
Device.
Background technique
Soft-package battery shell is one layer of thin and flexible composite membrane, and the stamped process of composite membrane becomes the shell with pit shape
Body.The ergastic substances such as battery material are sealed into the pit shape of shell, and the depth of pit defines the maximum capacity of battery.
In the prior art, through often there is the phenomenon that shell fold, and the angle of shell after the stamped process of soft-package battery shell
Portion's rapid wear changes, to will affect the manufacturing yield of soft-package battery production.
Utility model content
The purpose of this utility model is to provide a kind of devices for manufacturing soft-package battery shell, and described device includes: formed punch,
Include in the horizontal plane intersect with each other first while and when second, and include third side on vertical plane, first when comparing second
It is long；Mold, is arranged in below formed punch and has the space for making the molding sky of moulding material, and formed punch is by moulding material press-in die
The space in, wherein the plane that the first of formed punch is constituted while with second faces mold, the first side of the formed punch, the
Two in, third and by first while, second while and the angle that constitutes of third side it is rounded, the rounded radius in first side is
0.4-0.6 times of the depth of the inner space of soft-package battery shell, described second in, the third and the angle is rounded
Radius is respectively 0.2-0.4 times of the depth of the inner space of soft-package battery shell.
Accoding to exemplary embodiment, the rounded radius in first side can be the inner space of soft-package battery shell
0.5 times of depth.
Accoding to exemplary embodiment, the rounded radius in second side can be the inner space of soft-package battery shell
0.3 times of depth.
Accoding to exemplary embodiment, the rounded radius in the third side can be the inner space of soft-package battery shell
0.3 times of depth.
Accoding to exemplary embodiment, the rounded radius in the angle can be the depth of the inner space of soft-package battery shell
0.3 times.
Accoding to exemplary embodiment, between the respective side walls in the space of the side including third side and mold of formed punch
Horizontal distance can be in the range of 0.2mm to 0.4mm.
Accoding to exemplary embodiment, at least one side in the side of formed punch is corresponding to the space of mold
Horizontal distance between side wall can be 0.3mm.
Accoding to exemplary embodiment, described device can also include pressure plate, and the pressure plate is arranged in formed punch and mold
Between, it is used for fixed-type material.In addition, the pressure plate may include opens corresponding with the space of formed punch and mold
Mouthful.
Accoding to exemplary embodiment, area of the opening of pressure plate on the horizontal plane can be greater than the sky of mold
Between area on the horizontal plane, and between the respective side walls in the space of the side wall of the opening of pressure plate and mold
Horizontal distance can be in the range of 0.2mm to 0.4mm.
Accoding to exemplary embodiment, the respective side walls in the space of at least one side wall and mold of the opening of pressure plate
Between horizontal distance can be 0.3mm.
The exemplary embodiment of the utility model described briefly above.By being described above, may be implemented but being not limited to
It is below the utility model has the advantages that
1, product appearance fold is improved；
2, product leakage risk is improved；
3, manufacturing enterprise's efficiency and profit margin are improved.
Detailed description of the invention
Fig. 1 is the device for schematically showing the manufacture soft-package battery shell according to the exemplary embodiment of utility model design
Exploded view；
Fig. 2 is the schematic diagram for schematically showing the formed punch of the exemplary embodiment according to utility model design；
Fig. 3 is the cross-sectional view intercepted along the line A-A ' of Fig. 2；
Fig. 4 is the cross-sectional view intercepted along the line B-B ' of Fig. 2；
Fig. 5 is the cross-sectional view intercepted along the line C-C ' of Fig. 2.
Specific embodiment
Hereinafter, with reference to the accompanying drawings to the technical concept of detailed description the utility model.
Fig. 1 is the device for schematically showing the manufacture soft-package battery shell according to the exemplary embodiment of utility model design
Exploded view；Fig. 2 to Fig. 5 is the schematic diagram for schematically showing the formed punch of the exemplary embodiment according to utility model design.
Referring to figs. 1 to Fig. 5, the device 100 of manufacture soft-package battery shell accoding to exemplary embodiment includes formed punch 1 and mould
Tool 2.
Formed punch 1 and mold 2 cooperate, with to be used to form soft-package battery shell for example, the material of the laminated film containing aluminium
Material (hereinafter, referred to as " case material ") 4 carry out punching press with formed soft-package battery shell for accommodating battery material (example
Such as, electrolyte etc.) space.Therefore, formed punch 1 can have shape corresponding with the spatial form, and mold 2 also have with
The corresponding space for the molding sky of soft-package battery shell of the spatial form.
Accoding to exemplary embodiment, soft-package battery shell can have the shape of approximately cuboid, and therefore, formed punch 1 is extremely
Few a part (for example, part corresponding with the inner space of soft-package battery shell) can have with described in soft-package battery shell
The corresponding rectangular shape of the shape in space.More specifically, formed punch 1 and mold 2 cooperate to carry out punching press to case material 4, because
This, part formed punch 1 and that case material 4 acts on can have corresponding with the shape in the space of finally formed shell
Shape, that is to say, that at least part of formed punch 1 can have the shape generally in cuboid, however, the utility model is not
It is limited to this.Here, term " generally " means that at least partly side of formed punch 1 and angle can be rounded, and may include formed punch 1
Side (left side and right side of the bottom surface 11 of the formed punch in such as, but not limited to Fig. 1) can have pattern and/or not
The case where flat shape (for example, concave shape or convex form).
Accoding to exemplary embodiment, formed punch 1 can be in horizontal plane (for example, plane locating for bottom surface 11 in Fig. 1)
Including first in 1-1 and second 1-2, and may include third on vertical plane (for example, side 12 and side 13 in Fig. 2)
Side 1-3, first in 1-1, second 1-2 and third side 1-3 can be substantially perpendicular to each other.Here, horizontal plane can be with molding
Material 4 is parallel, and vertical plane can be vertical with moulding material 4, therefore, first in 1-1 and second combination of 1-2 constitute formed punch
The bottom surface 11 that will be contacted first with case material 4.
Since soft-package battery shell can have generally rectangular shape, the first side 1-1 of formed punch 1 can be right
It should can correspond to the short side of soft-package battery shell in the long side of soft-package battery shell, the second side 1-2 of formed punch 1, the of formed punch
Three when 1-3 can correspond to soft-package battery shell in a thickness direction.Here, long side and short side are relative concept,
It is intended to mean that the relative size of length between two sides, and is not intended to limit the specific length on side.For example, the length of long side is greater than
The length of short side, therefore, first when the length of 1-1 is correspondingly greater than second 1-2 length.Here, to the length on third side
There is no limit.In other words, the height of formed punch 1 in the vertical direction can be arranged in those skilled in the art based on concrete condition,
As long as the contact portion of itself and moulding material 4 meets design requirement as will be described below.
As described above, formed punch 1 is used to carry out punching press to case material 4, with formed soft-package battery shell for accommodating electricity
The space of pond material.In this case, due to the effect between the property of case material 4 and formed punch 1 and case material 4,
So that the phenomenon that often there is fold after shaping in case material 4, and the corner of shell after molding is often damaged, from
And the material (for example, electrolyte) that will lead to enclosure interior leaks out.
Exemplary embodiment according to the present utility model, formed punch 1 will be contacted with moulding material 4 while (that is, when first
1-1, second are in 1-2 and third while 1-3) and angle (by first in 1-1, second intersection of 1-2 and third side 1-3 and formed
Angle (angle represented by radius R4 in Fig. 2)) it can be rounded.
Specifically, the first side 1-1 rounded radius R1 is the depth for being set as the inner space of soft-package battery shell
0.4-0.6 times of degree, the described second radius R3 that 1-3 is rounded in 1-2 rounded radius R2 and the third respectively can
0.2-0.4 times for thinking the depth of the inner space of soft-package battery shell, and the angle can by three-dimensional 3D rounding, and fall
Round radius R4 can be 0.2-0.4 times of the depth of the inner space of soft-package battery shell.Preferably, the first side 1-1
Rounded radius R1 is 0.5 times of depth of the inner space of soft-package battery shell, and described second in, the third and institute
Stating angle rounded radius R2, R3 and R4 respectively can be 0.3 times of the depth of the inner space of soft-package battery shell.
In addition, as shown in Figure 2, the bottom surface 11 of formed punch 1 has two first 1-2 at 1-1 and two second, two
First side 1-1 can have identical chamfering and different chamferings within the scope of above-mentioned chamfering, similarly, two each other
Second side 1-2 can have identical chamfering and different chamferings within the scope of above-mentioned chamfering each other.In addition, such as Fig. 2
Shown in, it can have between 1-3 including four thirds in the third of the formed punch 1 of 1-3 identical within the scope of above-mentioned chamfering
Chamfering and different chamferings, and also there is identical chamfering within the scope of above-mentioned chamfering between four angles on bottom surface 11
With different chamferings.
It for ease of description, in the following description will be with two first 1-2 and two third in 1-1, two second
The case where side 1-3 and four angles are respectively provided with identical chamfering is described in detail as a specific example, however this is practical new
The exemplary embodiment of type is without being limited thereto.
According to specific example, when the depth (form depth of soft-package battery) of the inner space of molding soft-package battery is
When 3.0mm, the first side 1-1 can rounded and chamfering radius R1 can be in the range of 1.2mm to 1.8mm, the second side 1-2 can be with
Rounded and chamfering radius R2 can in the range of 0.6mm-1.2mm, third side 1-3 can rounded and chamfering radius R3 can be with
In the range of 0.6mm-1.2mm, the angle can rounded and chamfering radius R4 can be in the range of 0.6mm-1.2mm.It is preferred that
The chamfering radius R1 on ground, the first side 1-1 can be 1.5mm, and the chamfering radius R2 of the second side 1-2 can be 1mm, third side 1-3
Chamfering radius R3 can be 1mm, the chamfering radius R4 at the angle can be 1mm.
By to first in 1-1, second 1-2 and third side 1-3 and angle carry out rounding, it may be possible to guarantee in formed punch 1
Fold does not occur for the shell stamped out after ordinatedly forming case material 4 with mold 2 and the corner of shell will not be damaged, thus
It can be improved the aesthetics of punch forming rate and product.
The embodiment by improving punching press yield to the improvement of formed punch 1 is described mainly in combination with attached drawing above.However, by
The cooperation of formed punch 1 Yu mold 2 is needed in punching course, therefore, mold 2 also can generate shadow to the quality of the shaped article after punching press
It rings.
Mold 2 make under the cooperation of formed punch 1 moulding material 4 be formed to have predetermined shape have open-topped chamber
Room.Therefore, mold 2 has space 21 corresponding with the chamber of shell, so as to accommodate formed punch 1 to utilize the punching press of formed punch 1
Form moulding material 4 in the space of mold 2 21.
Since mold 2 and formed punch 1 are arranged in correspondence with, the inner space 21 of mold 2 also has first with formed punch 1
While 1-1 it is corresponding first while and formed punch 1 second while 1-2 it is corresponding second while, third corresponding with the third side 1-3 of formed punch 1
While and with the corresponding angle in the angle of formed punch 1 (by the inner space 21 of mold 2 first while, second while and when third constitute).Such as
Upper described, the first of formed punch 1 1-2 and third side 1-3 and angle in 1-1, second can be chamfered, correspondingly, the of mold 2
On one side, second while and when third and angle can also be chamfered.However, exemplary embodiment is without being limited thereto, that is to say, that mold
The first of 2 while, second while and third side and angle can not be chamfered and there is sharp shape (mould to have been shown in particular in Fig. 1
The example at the angle of tool 2 not being chamfered).
Formed punch 1 will enter together in the inner space 21 of mold 2 during the depression process with moulding material 4, therefore, mold
The first of 2 while than formed punch 1 first while 1-1 long and mold 2 second while than formed punch 1 second while 1-2 long.In other words, formed punch 1
The area in the horizontal plane of bottom surface 11 be less than the area of the inner space 21 of mold 2 in the horizontal plane (that is, mold 2 is opened
The area of mouth or the bottom surface 21-1 area of mold 2).In this case, the inner space of the side 12 of formed punch 1 and mold 2
21 side wall 21-2 has gap d 1.In addition, the front surface 13 and rear surface (not shown) of formed punch 1 inside with mold 2 respectively
Also there is gap (not shown) between the respective side walls in space.In other words, the inner space of the side surface 12 of formed punch 1 and mold 2
There is the interior of first distance d1, the front surface 13 of formed punch 1 and rear surface (not shown) and mold 2 between 21 respective side walls 21-2
Between the respective side walls in portion space 21 have second distance (not shown), first distance can be equal to or be different from second away from
From.It sets first distance and second distance in the range of 0.2mm to 0.4mm, it is ensured that match in formed punch 1 and mold 2
Fold does not occur for the shell stamped out after forming to case material 4 with closing and the corner of shell will not be damaged, so as to
Improve punch forming rate.Preferably, it is arranged to when by least one of first distance and second distance in 0.3mm, energy
Enough further increase above-mentioned advantage.
The embodiment that formed punch 1 is combined with mold 2 is preferably described above.However, the technical concept of the utility model may be used also
To include pressure plate 3.
Pressure plate 3 can be set between formed punch 1 and mold 2.Pressure plate 3 is used for fixed-type material 4, so that forming material
Material 4 can be firmly secured between formed punch 1 and mold 2.Pressure plate 3 has the opening OP of exposure moulding material 4, and formed punch 1
It can be mobile to the inner space of mold 2 21 together with moulding material 4 across opening OP during decline.In such case
Under, pressure plate 3 should also have the function of making moulding material 4 can steadily move in the case where the power by formed punch 1 or surely
Surely fixed property.
Specifically, in the case where the consistency of thickness of moulding material 4 and final shell, moulding material 4 is needed by binder
The lesser tensile stress of plate 3 or not tension stress, therefore the moulding material 4 that pressure plate 3 can have around the OP that makes to be open is rushing
It can be smoothly to opening OP place's movement without by or by lesser stretching when moulding material 4 at first 1 punched openings OP
The effect of power.In addition, (that is, the thickness of moulding material 4 is big in the case that the thickness of moulding material 4 and final shell is inconsistent
In the thickness of final shell), pressure plate 3 need in punch forming material 4 to apply biggish drawing force to moulding material 4 so that
It is stretched and thinning, therefore pressure plate 3 can provide the scheduled fixation for being capable of providing above-mentioned stretcher strain power to moulding material 4
Power.
It includes being located at the first part 31 above moulding material 4 and being located at below moulding material 4 that Fig. 1, which shows pressure plate 3,
Second part 32 embodiment, however, the utility model is without being limited thereto.Those skilled in the art can be based on above-mentioned to binder
The description of plate 3 is specifically arranged pressure plate 3.In addition, pressure plate 3 is desirably integrated on formed punch 1 and/or mold 2, specifically,
When formed punch include punch-out and the fixed-type material for being equivalent to pressure plate around punch-out fixed part and/
Or mold includes molding space and when the part of fixed-type material for being equivalent to pressure plate, or when formed punch includes punch-out
With the first mating part and mold include molding space and the second mating part and the first mating part and the second mating part can
When with ordinatedly fixed-type material to provide the effect of above-mentioned pressure plate, it is convenient to omit pressure plate 3.Hereinafter, tool will be described in detail
There is the setting of the pressure plate 3 of first part 31 and second part 32, however, those skilled in the art can conceive based on this technology
And the setting is applied to other examples.
Accoding to exemplary embodiment, pressure plate 3 can have opening corresponding with the molding space 21 of formed punch 1 and mold 2
OP, therefore, the opening OP of pressure plate 3 may include the first side and second side.Specifically, the first part 31 of pressure plate 3 opens
Mouth OP1 may include the first side and second side shorter than the first side, and the opening OP2 of the second part 32 of pressure plate 3 can wrap
Include the first side and second side shorter than the first side.Here, the second part 32 of the first part 31 of pressure plate 3 and pressure plate 3 has
There is identical setting, therefore, the setting of pressure plate 3 will be described based on the first part 31 of pressure plate 3, same setting can be with
Second part 32 applied to pressure plate 3.
What the first side of the opening OP1 of the first part 31 of pressure plate 3 can correspond to formed punch 1 includes the first side 1-1's
The side wall including the first side of front surface 13 (or rear surface) and mold 2, the of the opening OP1 of the first part 31 of pressure plate 3
Two when can correspond to formed punch 1 includes second the side surface 12 of the 1-2 and side wall 21-2 including the second side of mold 2.Punching
First 1 passes through the opening OP (that is, passing through OP1 and OP2) of pressure plate 3, therefore, the area of the opening OP of pressure plate in the horizontal plane
Greater than the area of formed punch 1 in the horizontal plane.In addition, when area of the opening OP of pressure plate 3 on the horizontal plane is conditioned
It is the inner space 21 greater than mold 2 in the area on the horizontal plane, it may be possible to guarantee in formed punch 1 and mold 2
Fold does not occur for the shell for ordinatedly stamp out after punch forming to case material 4 and the corner of shell will not be damaged, from
And it can be improved punch forming rate.
Specifically, between the respective side walls of the inner space 21 of the side wall and mold 2 of the opening OP of pressure plate 3 it is horizontal away from
It is adjustable from d2 in the range of 0.2mm to 0.4mm, especially in 0.3mm, can significantly improve punch forming rate and
Shell appearance can be improved.
The exemplary embodiment of the utility model is described in detail in conjunction with attached drawing above.Although referring to being shown in attached drawing
Embodiment describe the disclosure, but this is only example, those skilled in the art will appreciate that, can be derived from
Various modifications and other equivalent integers.Therefore, spirit and scope of the present disclosure should be defined by the following claims.
Claims (10)
1. a kind of device for manufacturing soft-package battery shell, which is characterized in that described device includes:
Formed punch, include in the horizontal plane intersect with each other first while and when second, and include third side, the first side on vertical plane
Than the second side length；
Mold is arranged in below formed punch and has the space for making the molding sky of moulding material, and moulding material is pressed into mould by formed punch
In the space of tool,
Wherein, the plane that the first of formed punch is constituted while with second face mold, the formed punch first while, second while, third
While first, second while and when third the angle that constitutes it is rounded, the rounded radius in first side is soft-package battery
0.4-0.6 times of the depth of the inner space of shell, described second in, the third and radius difference that the angle is rounded
It is 0.2-0.4 times of the depth of the inner space of soft-package battery shell.
2. device as described in claim 1, which is characterized in that the rounded radius in first side is soft-package battery shell
0.5 times of the depth of inner space.
3. device as described in claim 1, which is characterized in that the rounded radius in second side is soft-package battery shell
0.3 times of the depth of inner space.
4. device as described in claim 1, which is characterized in that the rounded radius in the third side is soft-package battery shell
0.3 times of the depth of inner space.
5. device as described in claim 1, which is characterized in that the rounded radius in the angle is the inside of soft-package battery shell
0.3 times of the depth in space.
6. device as described in claim 1, which is characterized in that the space of the side and mold including third side of formed punch
Respective side walls between horizontal distance in the range of 0.2mm to 0.4mm.
7. device as claimed in claim 6, which is characterized in that at least one side and mold in the side of formed punch
Horizontal distance between the respective side walls in the space is 0.3mm.
8. device as described in claim 1, which is characterized in that described device further include:
Pressure plate is arranged between formed punch and mold, is used for fixed-type material, and the pressure plate includes and formed punch and mold
The corresponding opening in the space.
9. device as claimed in claim 8, which is characterized in that area of the opening of pressure plate on the horizontal plane is greater than mould
Area of the space of tool on the horizontal plane, and the side wall of the opening of pressure plate is corresponding to the space of mold
Horizontal distance between side wall is in the range of 0.2mm to 0.4mm.
10. device as claimed in claim 9, which is characterized in that at least one side wall of the opening of pressure plate and the institute of mold
Stating the horizontal distance between the respective side walls in space is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920112134.0U CN209520237U (en) | 2019-01-22 | 2019-01-22 | Manufacture the device of soft-package battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920112134.0U CN209520237U (en) | 2019-01-22 | 2019-01-22 | Manufacture the device of soft-package battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209520237U true CN209520237U (en) | 2019-10-22 |
Family
ID=68229760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920112134.0U Active CN209520237U (en) | 2019-01-22 | 2019-01-22 | Manufacture the device of soft-package battery shell |
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| CN (1) | CN209520237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2019
- 2019-01-22 CN CN201920112134.0U patent/CN209520237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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