CN206471430U - A kind of battery secondary sealing mould - Google Patents
A kind of battery secondary sealing mould Download PDFInfo
- Publication number
- CN206471430U CN206471430U CN201720103609.0U CN201720103609U CN206471430U CN 206471430 U CN206471430 U CN 206471430U CN 201720103609 U CN201720103609 U CN 201720103609U CN 206471430 U CN206471430 U CN 206471430U
- Authority
- CN
- China
- Prior art keywords
- hole
- mould
- face
- hobboing cutter
- sealing
- 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
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Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
A kind of battery secondary sealing mould, including sealing upper mould, slot rolling backform and hobboing cutter；Mould includes first end face and the second end face opposite with first end face in sealing, mould offers first through hole, the second through hole and the third through-hole through first end face and second end face from first end face successively in sealing, the junction of first through hole and the second through hole, which is formed on stitching surface, stitching surface, forms raised；Slot rolling backform includes abutting end and fixing end, and the one end of fixing end away from abutting end is provided with coordinating block, the first limited block and the second limited block；Hobboing cutter includes hobboing cutter body and the hobboing cutter knife edge positioned at hobboing cutter body two ends.The battery secondary sealing mould of this new offer, secondary sealing is carried out to cell using sealing upper mould, and slot rolling is carried out to the sidepiece of the box hat of the cell after secondary sealing using hobboing cutter, increase the contact area and squeezing action power of box hat and seal body, the sealing of box hat and seal body is more tight, reduces the leakage risk of cell.
Description
【Technical field】
The utility model is related to battery mould technical field, more particularly to a kind of battery secondary sealing mould.
【Background technology】
Cylindrical battery is because manufacturing process is ripe, production efficiency is high, easy to automate, battery consistency is good etc.
Advantage, by battery manufacture, enterprise is favored.Cylindrical lithium ion battery is by box hat, electrically conductive graphite, positive and negative pole material, isolation
Paper, electrolyte and battery cap composition.Battery seal body (block) is made up of sealing ring and bottom.Common mouth-sealing method is first
Battery steel shell is subjected to slot rolling, in the battery for seal body being put into box hat parcel, then with the sealing die on opening sealing forming machine
Seal body is pressed together with battery steel shell, the crimping of box hat is buckled on the bottom of seal body.This mouth-sealing method will sealed
During body is forced downward battery steel shell, box hat top can only be deformed downwards, and box hat is small to the parcel area of seal body, box hat
Sealing part easily occur sealing not tight, cause battery the phenomenon of leakage occur.
In consideration of it, real be necessary to provide a kind of battery secondary sealing mould for solving disadvantages described above.
【Utility model content】
The purpose of this utility model is to provide a kind of tight battery secondary sealing mould of sealing.
To achieve these goals, the utility model provides a kind of battery secondary sealing mould, including sealing upper mould, slot rolling
Backform and hobboing cutter；Mould is included in first end face and the second end face opposite with the first end face, the sealing in the sealing
Mould offered successively from the first end face first through hole through the first end face and the second end face, the second through hole and
The junction of third through-hole, the first through hole and second through hole, which is formed on stitching surface, the stitching surface, forms raised；Institute
Stating slot rolling backform includes abutting end and the fixing end positioned at abutting end one end, and the described one end of fixing end away from the abutting end is set
It is equipped with coordinating block, the first limited block and the second limited block；The hobboing cutter includes hobboing cutter body and the rolling positioned at hobboing cutter body two ends
The knife knife edge.
In a preferred embodiment, the projection is semicircle, the described raised and pressure in circular and section
The connection in conjunction face connects for rounding.
In a preferred embodiment, the first through hole, second through hole and the third through-hole are circular hole,
The diameter of the first through hole is more than the diameter of second through hole, and the diameter of second through hole is more than the third through-hole
Diameter.
In a preferred embodiment, first limited block is annular shape and diameter and the raised anchor ring are straight
Footpath is consistent, and second limited block is that circular and section is trapezoidal, and the minimum diameter of second limited block is more than described the
The external diameter of one limited block, the coordinating block is arranged in the inner ring of first limited block.
In a preferred embodiment, the coordinating block is made up of elastomeric material.
The battery secondary sealing mould of this new offer, secondary envelope is carried out using mould in the sealing to the cell
Mouthful, and slot rolling is carried out to the sidepiece of the box hat of the cell after secondary sealing using the hobboing cutter, increase the steel
The contact area and squeezing action power of shell and the seal body, the sealing of the box hat and the seal body are more tight, reduce
The leakage risk of cell.
【Brief description of the drawings】
The sectional view of mould in the sealing for the battery secondary sealing mould that Fig. 1 provides for the utility model embodiment.
The sectional view of the slot rolling backform for the battery secondary sealing mould that Fig. 2 provides for the utility model embodiment.
The top view of the slot rolling backform for the battery secondary sealing mould that Fig. 3 provides for the utility model embodiment.
The sectional view of the hobboing cutter for the battery secondary sealing mould that Fig. 4 provides for the utility model embodiment.
The section view for the cell that Fig. 5 is sealed for the battery secondary sealing mould that the utility model embodiment is provided
Figure.
Fig. 6 is the enlarged diagram of the region A shown in Fig. 5.
Fig. 7 is the top view of the cell shown in Fig. 5.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with
Accompanying drawing in the utility model embodiment, is clearly and completely retouched to the technical scheme in the utility model embodiment
State, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.
Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other embodiment, belong to the utility model protection scope.
Refer to Fig. 1 to Fig. 5, a kind of battery secondary sealing mould 100 that the utility model is provided, for cell
10 carry out secondary sealing；The battery secondary sealing mould 100 includes sealing upper mould 20, slot rolling backform 30 and hobboing cutter 40.
Fig. 5 is referred to Fig. 7, the cell 10 includes box hat 11 and seal body 12.The box hat 11 is wrapped in list
Body battery 10 is outer and one end open, and the seal body 12 is used to seal the opening of the box hat 11.The box hat 11 is wrapped
Sidepiece 111 and top 112 are included, the sidepiece 111 is wrapped in the side of cell 10 and the seal body 12, the top
112 are wrapped in the edge of the seal body 12.Multiple explosionproof holes 121 for being spaced and being uniformly arranged are offered on the seal body 12.
Referring again to Fig. 1, mould 20 includes first end face 21 and opposite with the first end face 21 second in the sealing
End face 22.Mould 20 is offered through the first end face 21 and second end successively from the first end face 21 in the sealing
The first through hole 23 in face 22, the second through hole 24 and third through-hole 25, the first through hole 23, second through hole 24 and described
Three through holes 25 are circular hole.The diameter of the first through hole 23 is more than the diameter of second through hole 24, second through hole 24
Diameter be more than the third through-hole 25 diameter.The junction of the first through hole 23 and second through hole 24, which is formed, to be pressed
Projection 261, described raised 261 is formed on face 26, the stitching surface 26 and the connection of the stitching surface 26 connects for rounding, institute
State after rounding avoids the secondary sealing of cell 10 and form sharp water caltrop on the top 112 of box hat 11.It is described
Projection 261 is semicircle in circular and section.Described raised 261 be used for the cell 10 carry out secondary sealing when,
The first groove 1121 is formed in the pressing of top 112 of the box hat 11, to increase connecing for the top 112 and the seal body 12
Contacting surface is accumulated, and makes the sealing of the box hat 11 and the seal body 12 more tight.
Fig. 2 and Fig. 3 is referred to, the slot rolling backform 30 includes abutting end 31 and the fixing end positioned at the one end of abutting end 31
32.The abutting end 31 is engaged with external equipment with the fixed slot rolling backform 30.The fixing end 32 coordinates away from described
The one end at end 31 is provided with coordinating block 321, the first limited block 322 and the second limited block 323.The coordinating block 321 is by rubber material
Material is made, and the coordinating block 321 is used to be engaged with the explosionproof hole 121.First limited block 322 is circular and diameter
Consistent with described raised 261 anchor ring diameter, first limited block 322 is used to be engaged with the groove 1121.It is described
Second limited block 323 is circular and section is trapezoidal.It is spacing that the minimum diameter of second limited block 323 is more than described first
The external diameter of block 322, the coordinating block 321 is arranged in the inner ring of first limited block 322.
Referring again to Fig. 4, the hobboing cutter 40 includes hobboing cutter body 41 and the hobboing cutter knife edge 42 positioned at the two ends of hobboing cutter body 41.
Fixing hole 411 is offered on the hobboing cutter body 41, the fixing hole 411 is used to fix with drive motor.The hobboing cutter knife edge
42 thickness is less than the half of the thickness of seal body 12.
The hobboing cutter 40 is used to carry out slot rolling to the sidepiece 111 of the box hat 11 of the cell 10 after secondary sealing,
The slot rolling backform 30 is used to fix the cell 10 during 40 slot rolling of hobboing cutter.Specifically, the slot rolling backform 30
Coordinating block 321 is engaged with the explosionproof hole 121 of the seal body 12, first limited block 322 and first groove 1121
It is engaged, second limited block 323 is resisted against the sidepiece 111 of the box hat 11, the hobboing cutter 40 is driven by motor, the rolling
The sidepiece 111 that 42 pairs of the knife knife edge is wrapped in the box hat 11 of the side of seal body 12 carries out slot rolling the second groove of formation
1111, second groove 1111 increases the sidepiece 111 of the box hat 11 and the contact area of the side of seal body 12, increases
Big squeezing action power of the box hat 11 with the seal body 12.
The battery secondary sealing mould 100 of this new offer, is entered using 20 pairs of cells 10 of mould in the sealing
Row secondary sealing, and the sidepiece 111 of the box hat 11 of the cell 10 after secondary sealing is carried out using the hobboing cutter 40
Slot rolling, increases the contact area and squeezing action power of the box hat 11 and the seal body 12, the box hat 11 and the envelope
The sealing of mouth body 12 is more tight, reduces the leakage risk of cell 10.
The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching
The examples shown stated.
Claims (5)
1. a kind of battery secondary sealing mould, it is characterised in that：Including sealing upper mould, slot rolling backform and hobboing cutter；In the sealing
Mould includes mould in first end face and the second end face opposite with the first end face, the sealing and opened successively from the first end face
Provided with the first through hole through the first end face and the second end face, the second through hole and third through-hole, the first through hole
Formed with the junction of second through hole on stitching surface, the stitching surface and form raised；The slot rolling backform includes abutting end
And the fixing end positioned at abutting end one end, the one end of the fixing end away from the abutting end is provided with coordinating block, first spacing
Block and the second limited block；The hobboing cutter includes hobboing cutter body and the hobboing cutter knife edge positioned at hobboing cutter body two ends.
2. battery secondary sealing mould as claimed in claim 1, it is characterised in that：The projection is half in circular and section
Circle, the raised connection with the stitching surface connects for rounding.
3. battery secondary sealing mould as claimed in claim 1, it is characterised in that：The first through hole, second through hole
And the third through-hole is circular hole, the diameter of the first through hole is more than the diameter of second through hole, second through hole
Diameter be more than the third through-hole diameter.
4. battery secondary sealing mould as claimed in claim 2, it is characterised in that：First limited block is circular and straight
Footpath is consistent with the raised anchor ring diameter, and second limited block is circular and section is trapezoidal, and described second is spacing
The minimum diameter of block is more than the external diameter of first limited block, and the coordinating block is arranged in the inner ring of first limited block.
5. battery secondary sealing mould as claimed in claim 1, it is characterised in that：The coordinating block is made up of elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103609.0U CN206471430U (en) | 2017-01-24 | 2017-01-24 | A kind of battery secondary sealing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103609.0U CN206471430U (en) | 2017-01-24 | 2017-01-24 | A kind of battery secondary sealing mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471430U true CN206471430U (en) | 2017-09-05 |
Family
ID=59704685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720103609.0U Expired - Fee Related CN206471430U (en) | 2017-01-24 | 2017-01-24 | A kind of battery secondary sealing mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273292A (en) * | 2018-11-12 | 2019-01-25 | 广东风华高新科技股份有限公司 | A kind of auxiliary device for sealing capacitor |
-
2017
- 2017-01-24 CN CN201720103609.0U patent/CN206471430U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273292A (en) * | 2018-11-12 | 2019-01-25 | 广东风华高新科技股份有限公司 | A kind of auxiliary device for sealing capacitor |
| CN109273292B (en) * | 2018-11-12 | 2024-03-19 | 广东风华高新科技股份有限公司 | Auxiliary device for capacitor sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20190124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |