CN108054305A - Cylindrical lithium battery closing device - Google Patents
Cylindrical lithium battery closing device Download PDFInfo
- Publication number
- CN108054305A CN108054305A CN201711384756.0A CN201711384756A CN108054305A CN 108054305 A CN108054305 A CN 108054305A CN 201711384756 A CN201711384756 A CN 201711384756A CN 108054305 A CN108054305 A CN 108054305A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- cylindrical lithium
- crimping
- crouching
- envelope
- 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.)
- Granted
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 98
- 238000002788 crimping Methods 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000004513 sizing Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000000084 colloidal system Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 230000013011 mating Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 10
- 238000012937 correction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses cylindrical lithium battery closing device, including rack, curling mechanism, reshaping device, snap gauge mechanism and crouching sealing mechanism.The snap gauge mechanism includes fixture, which has arcwall face, and the first arcwall face of multiple fixtures forms the obvolvent face for being used to hold tightly, unclamping cylindrical lithium battery of annular；The curling mechanism includes crimping upper mold, and crimping upper mold bottom has turret wall in crimping, and internal diameter is gradually small from the bottom to top for turret wall in crimping, and turret wall acts on cylindrical lithium battery and realizes crimping the crimping upper mold in the crimping in motion process from top to down；The crouching sealing mechanism includes envelope mould of squatting, and crouching envelope mould acts on cylindrical lithium battery and realizes crouching envelope crouching envelope mould in motion process from top to down；The reshaping device includes an at least sizing die, sizing die from top to down in motion process sizing die shaping cylindrical lithium battery block insulation colloid.It has the following advantages that：Apparatus structure is simple, of low cost, easy-to-use, easy to operation, shortens the production cycle, can improve lithium ion battery safety performance and uniformity.
Description
Technical field
Process equipment more particularly to a kind of cylindrical lithium battery closing device the present invention relates to a kind of cylindrical lithium battery.
Background technology
With energy scarcity and the pressure of world's environmental protection aspect, lithium battery is widely used in electric vehicle, particularly lithium
The appearance of ion battery, has even more promoted the development and application of lithium battery industry, however is still had in Production Process of Lithium Battery
Many drawbacks, at present cylindrical lithium battery mostly sealed using closing device, such as CN201117687Y, CN202454665U, but
The closing device there are it is complicated, be awkward, the deficiency that processing efficiency is low, and seal battery may there are batteries
The bad phenomenons such as leakage, empty envelope, the different degrees of corrosion in surface, so there are serious security risks for battery.
The content of the invention
The present invention provides cylindrical lithium battery closing devices, which overcome cylindrical lithium battery closing device institute in background technology
Existing deficiency.
The present invention solve its technical problem used technical solution be：
Cylindrical lithium battery closing device, including rack, curling mechanism (20), reshaping device (40), snap gauge mechanism (10) and
Crouching sealing mechanism (30)；
The snap gauge mechanism (10) includes several fixtures (11), which has the first arcwall face, this is more
First arcwall face of a fixture (11) forms the obvolvent face for being used to hold tightly, unclamping cylindrical lithium battery of annular；
The curling mechanism (20) includes the crimping upper mold that the opposite rack of energy moves up and down, which has crimping
Interior turret wall (21), internal diameter is gradually small from the bottom to top for turret wall (21) in the crimping, and the crimping upper mold is from top to down in motion process
Turret wall (21) acts on cylindrical lithium battery and realizes crimping in the crimping；
Mould motion process from top to down is sealed in the crouching envelope mould that the crouching sealing mechanism (30) moves up and down including the opposite rack of energy, the crouching
In the crouching envelope mould act on cylindrical lithium battery and realize crouching envelope；
The reshaping device (40) includes the sizing die (41) that the opposite rack of at least one energy moves up and down, and the sizing die (41) is certainly
On down in motion process sizing die (41) the shaping cylindrical lithium battery block insulation colloid.
Among one embodiment：The movement of the fixture (11) is transverse movement；Positioning region is installed on the fixture (11), it should
Positioning region is equipped with the second arcwall face (12), and second arcwall face (12) and the first arcwall face are arranged and are coaxially set up and down, should
Axis is vertically arranged, which is more than the first arc radius surface；In amplexis cylindrical lithium battery state
Multiple second arcwall faces (12) of fixture (11) with location structure is encircled into, squat and seal the periphery of mould by the periphery wall of the crimping upper mold
Wall is all adapted to the location structure.
Among one embodiment：The fixture (11), which can be assembled and disassembled, is connected to rack, which is arranged two sets of fixtures
(11), wherein the first arcwall face of a set of fixture (11) is in cylindrical surface portion structure, the first arcwall face of another set of fixture (11)
It is convexly equipped with the raised line (13) of the annular slot rolling of cooperation cylindrical lithium battery shell.
Among one embodiment：The crimping upper mold outer wall is recessed with the first attaching slot (23), and crouching envelope mould outer wall is recessed with the
Two attaching slots (33), the first attaching slot (23) structure are identical with the second attaching slot (33) structure.
Among one embodiment：The crimping upper mold offers perforative first through hole (22) up and down, first through hole
(22) there is planar annular in lower port and crimping between turret wall (21)；Turret wall (21) axis and cylinder lithium electricity in the crimping
Pond axis direction overlaps, and turret wall (21) maximum inner diameter is more than the outer diameter of cylindrical lithium battery shell in the crimping, and minimum diameter is small
In the outer diameter of cylindrical lithium battery shell.
Among one embodiment：Crouching envelope mould bottom surface is convexly equipped with crouching envelope protrusion (31), and crouching envelope mould is equipped with passes to crouching by top surface
Second through hole (32) of protrusion (31) end face is sealed, crouching envelope mold shaft line and cylindrical lithium battery axis direction overlap, and crouching envelope is convex
Portion's (31) outer diameter and cylindrical lithium battery envelope outer diameter are equal.
Among one embodiment：The sizing die (41) includes a rod piece (411) and one and is fixed in the shaping of rod piece (411) lower end
Portion (412)；The shaping portion (412) is in down big up small pyramidal structure.
Among one embodiment：The sizing die (41), which can be assembled and disassembled, is connected to rack and the mating multiple sizing dies of reshaping device (40)
(41), the area of the maximum sole of different sizing die (41) differs, the bottom surface outer diameter and circle of the sizing die (41) of maximum area
Post lithium battery envelope outer diameter is equal.
Among one embodiment：Several fixture (11) connection frames and can opposite rack along towards cylindrical lithium battery axis side
It is moved to distance, the first arcwall face amplexis cylindrical lithium battery of several fixtures (11) is enable by fixture (11) movement
Compared with background technology, it has the following advantages that the technical program：
Snap gauge mechanism includes several fixtures, and the first arcwall face amplexis cylinder lithium of several fixtures is enable by fixture movement
Battery, curling mechanism include crimping upper mold, and crimping upper mold bottom has turret wall in crimping, and crimping upper mold is moved through from top to down
Turret wall acts on cylindrical lithium battery and realizes crimping in the crimping in journey, and crouching sealing mechanism includes envelope mould of squatting, and envelope of squatting mould is from upper past
Crouching envelope mould acts on cylindrical lithium battery and realizes crouching envelope in lower motion process, and reshaping device includes sizing die, and sizing die is from upper
Down in motion process the sizing die shaping cylindrical lithium battery block insulation colloid, apparatus structure is simple, of low cost, easily
With, it is easy to operation, shorten the production cycle, lithium ion battery safety performance and uniformity can be improved.
The movement of fixture is transverse movement, and positioning region is installed on fixture, and positioning region is equipped with the second arcwall face, the second arc
It arranges and is coaxially set above and below shape face and the first arcwall face, the second arc radius surface is more than the first arc radius surface；In embrace
Multiple second arcwall faces of the fixture of cylindrical lithium battery state are connect with location structure is encircled into, the periphery wall of the crimping upper mold is squatted
The periphery wall of envelope mould is all adapted to the location structure, improves crimping processing, the processing of crouching envelope, the stability and reliability of Shape correction.
Crimping upper mold offers perforative first through hole up and down, and envelope of squatting mould, which is equipped with, is passed to envelope protrusion end face of squatting by top surface
Second through hole facilitates attaching sizing die, rationally distributed, compact-sized.
There is planar annular, turret wall maximum inner diameter is big in crimping in first through hole lower port and crimping between turret wall
In the outer diameter of cylindrical lithium battery shell, minimum diameter is less than the outer diameter of cylindrical lithium battery shell, and crimping effect is good.
Crouching envelope protrusion outer diameter and cylindrical lithium battery envelope outer diameter are equal, and envelope of squatting effect is good.
Shaping portion is in down big up small pyramidal structure, and envelope of squatting effect is good.
The area of the maximum sole of different sizing dies differs, bottom surface outer diameter and cylinder the lithium electricity of the sizing die of maximum area
Pond envelope outer diameter is equal, and envelope of squatting effect is good.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the closing device of this specific embodiment.
Fig. 2 is the schematic top plan view of the snap gauge mechanism of mating first fixture of this specific embodiment.
Fig. 3 is the structure diagram of the snap gauge mechanism of mating first fixture of this specific embodiment.
Fig. 4 is the schematic front view of the crimping upper mold of this specific embodiment.
Fig. 5 is the schematic top plan view of the snap gauge mechanism of mating second fixture of this specific embodiment.
Fig. 6 is the structure diagram of the snap gauge mechanism of mating second fixture of this specific embodiment.
Fig. 7 is the schematic front view of the crouching envelope mould of this specific embodiment.
Fig. 8 is the schematic front view of first sizing die of this specific embodiment.
Fig. 9 is the schematic front view of second sizing die of this specific embodiment.
Figure 10 is the schematic front view of the 3rd sizing die of this specific embodiment.
Figure 11 is the initial configuration schematic diagram of cylindrical lithium battery, i.e. the structure diagram before crimping.
Figure 12 is the structure diagram in the crimping process of cylindrical lithium battery.
Figure 13 is the structure diagram after the crimping of cylindrical lithium battery.
Figure 14 is the structure diagram after the crouching envelope of cylindrical lithium battery.
Figure 15 is the structure diagram in the reforming process of cylindrical lithium battery.
Figure 16 is the structure diagram after the shaping of cylindrical lithium battery.
Figure 17 is that the curling mechanism of this specific embodiment carries out cylindrical lithium battery one of structure diagram of crimping processing.
Figure 18 is that the curling mechanism of this specific embodiment carries out cylindrical lithium battery the second structural representation of crimping processing.
Figure 19 is that the crouching sealing mechanism of this specific embodiment carries out cylindrical lithium battery the structure diagram of crouching envelope processing.
Figure 20 is that the reshaping device of this specific embodiment carries out cylindrical lithium battery one of structure diagram of Shape correction.
Figure 21 is that the reshaping device of this specific embodiment carries out cylindrical lithium battery the second structural representation of Shape correction.
Figure 22 is that the reshaping device of this specific embodiment carries out cylindrical lithium battery the third structural representation of Shape correction.
Specific embodiment
It refer to Fig. 1 to Figure 22, cylindrical lithium battery closing device, including rack, curling mechanism 20, reshaping device 40, card
Mold mechanism 10 and crouching sealing mechanism 30；
The fixture 11 and once fixing groove 14 that the snap gauge mechanism 10 includes three annular arrays arrangement, each fixture 11
With the first arcwall face, the central angle of first arcwall face is 120 degree, three 11 connection frames of fixture and the opposite rack edge of energy
It is moved towards cylindrical lithium battery axis direction is far and near, i.e. transverse movement moves the first arc for making several fixtures 11 by fixture 11
It face can amplexis cylindrical lithium battery 50；Among the present embodiment：Positioning region is installed on the fixture 11, which is equipped with the second arc
Shape face 12,12 and first arcwall face of the second arcwall face up and down arrange and be coaxially set, which is vertically arranged, second arc
12 radius of shape face is more than the first arc radius surface；Multiple second arcwall faces 12 of fixture 11 in amplexis cylindrical lithium battery state
With being encircled into location structure；The fixture 11 can be assembled and disassembled and be connected to rack, such as rack is equipped with the first driving machine of energy transverse movement
Structure, which, which can assemble and disassemble, is connected to first driving mechanism；Two sets of fixtures 11 are arranged in the snap gauge mechanism 10, wherein a set of fixture
11 the first arcwall face is in cylindrical surface portion structure, such as Fig. 5 and Fig. 6, the first arcwall face of another set of fixture 11 is convexly equipped with cooperation
The raised line 13 of the annular slot rolling of cylindrical lithium battery shell, such as Fig. 2 and Fig. 3.As needed, 2, the fixtures such as 4 can be used.
The curling mechanism 20 includes the crimping upper mold that the opposite rack of energy moves up and down, which has in crimping
Turret wall 21, internal diameter is gradually small from the bottom to top for turret wall 21 in the crimping, crimping upper mold crimping in motion process from top to down
Interior turret wall 21 acts on cylindrical lithium battery and realizes crimping；Among the present embodiment：The crimping upper mold offers perforative up and down
First through hole 22, first through hole 22 such as up-small and down-big cylinder ladder straight slot, 22 lower port of the first through hole and volume
Intralimbic gyri turns have planar annular between wall 21；21 axis of turret wall and cylindrical lithium battery axis direction overlap in the crimping, should
21 maximum inner diameter of turret wall is more than the outer diameter of cylindrical lithium battery shell in crimping, and minimum diameter is less than the outer of cylindrical lithium battery shell
Footpath.
The crouching sealing mechanism 30 includes the crouching envelope mould that the opposite rack of energy moves up and down, and crouching envelope mould is from top to down in motion process
Crouching envelope mould acts on cylindrical lithium battery and realizes crouching envelope；Among the present embodiment：Crouching envelope mould bottom surface is convexly equipped with crouching envelope protrusion 31,
Crouching envelope mould is equipped with the second through hole 32 that envelope 31 end face of protrusion of squatting is passed to by top surface, the structure of second through hole 32 and first
The structure of through hole is identical；Mold shaft line is sealed in the crouching and cylindrical lithium battery axis direction overlaps, crouching envelope 31 outer diameter of protrusion and cylinder
Li battery shell outer diameter is equal.
The periphery wall of the crimping upper mold, the periphery wall of envelope of squatting mould are all adapted to the location structure of the snap gauge mechanism 10.The crimping
Upper mold outer wall is recessed with the first attaching slot 23, and crouching envelope mould outer wall is recessed with the second attaching slot 33,23 structure of the first attaching slot and
Second attaching slot, 33 structure is identical.By first attaching slot 23, the second attaching slot 33 make crimping upper mold, squat envelope mould and rack it
Between all form the connection structure that can assemble and disassemble, for example, the crimping upper mold, crouching seal mould and the second driving mechanism of rack is all formed and can filled
The connection structure torn open.
The reshaping device 40 includes the sizing die 41 that the opposite rack of at least one energy moves up and down, and the sizing die 41 is from top to down
The block insulation colloid of the 41 shaping cylindrical lithium battery of sizing die in motion process.Among the present embodiment：The sizing die 41 includes
One rod piece 411 and a shaping portion 412 for being fixed in 411 lower end of rod piece；The shaping portion 412 is in down big up small pyramidal structure.Make
With in the process, which can pass through the first through hole or the second through hole and be connected to rack from bottom to top, and such as the of rack
Two driving mechanisms.Moreover, the sizing die 41, which can be assembled and disassembled, is connected to 40 mating three sizing dies 41 of rack and reshaping device, it is different
The area of the maximum sole of sizing die 41 differs, such as Fig. 8, Fig. 9 and Figure 10, as the sizing die 41 of Figure 10 maximum areas bottom surface outside
Footpath and cylindrical lithium battery envelope outer diameter are equal.
Cylindrical lithium battery 50 as shown in Figure 1 is placed in lower fixing groove 14, is transplanted on fixed seal location, snap gauge mechanism
First arcwall face of 10 fixture 11 hugs cylindrical lithium battery 50, and raised line 13 is caught in the annular slot rolling of cylindrical lithium battery shell 51
In 511, cylindrical lithium battery 50 is blocked, ensures that cylindrical lithium battery 50 will not move.
Crimping upper mold be pressed onto from top to bottom cylindrical lithium battery 50 shell 51 (shell 51 have stretch out battery on it is upper
End, the closure part of battery have the block being surrounded in shell 51 insulation colloid 52) by the shape of turret wall in crimping 21
Shape causes 51 upper end of shell to deform to realize that crimping is handled inwardly, should after processing such as Figure 11, Figure 12, Figure 13, Figure 17 and Figure 18
Crimping upper mold exits, such as resets and dismantle Rolldown hem upper mold, then loads onto crouching envelope mould, alternatively, rack is equipped with rotation seat, rotates
Seat is equipped with multiple second driving mechanisms, and rotating the rotation seat makes crouching envelope mould correspond to battery.
The head that envelope of squatting mould is pressed onto cylindrical lithium battery 50 from top to bottom carries out crouching envelope processing, and envelope of squatting after processing mould exits；It should
Envelope of squatting mould controls cylindrical lithium battery overall height from top to bottom.
Sizing die 41 is pressed in the head cover 53 of battery cephalosome from top to bottom, and the block insulating cement for making cylindrical lithium battery 50 is external
It turns over, sizing die 41 automatically exits from after hot briquetting.As needed, the first sizing die, the second sizing die and the 3rd can sequentially be used
The block insulation colloid of sizing die shaping processing cylindrical lithium battery 50, prevents battery in the dead of night.
Among the present embodiment：The snap gauge mechanism material is such as using alloy, wolfram steel metal material, the temperature of the shaping mould
It can be adjusted as required, adjusting range：0-200℃.
The above is only present pre-ferred embodiments, therefore cannot limit the scope implemented of the present invention according to this, i.e., according to
The equivalent changes and modifications that the scope of the claims of the present invention and description are made all should still belong in the range of the present invention covers.
Claims (9)
1. cylindrical lithium battery closing device, including rack, curling mechanism (20) and reshaping device (40), it is characterised in that：Also wrap
Include snap gauge mechanism (10) and crouching sealing mechanism (30)；
The snap gauge mechanism (10) includes several fixtures (11), which has the first arcwall face, multiple fixtures
(11) the first arcwall face forms the obvolvent face for being used to hold tightly, unclamping cylindrical lithium battery of annular；
The curling mechanism (20) includes the crimping upper mold that the opposite rack of energy moves up and down, which has volume intralimbic gyri
Turn wall (21), internal diameter is gradually small from the bottom to top for turret wall (21) in the crimping, crimping upper mold volume in motion process from top to down
Intralimbic gyri turns wall (21) and acts on cylindrical lithium battery and realize crimping；
The crouching sealing mechanism (30) include can the crouching envelope mould that moves up and down of opposite rack, crouching envelope mould from top to down should in motion process
Envelope of squatting mould acts on cylindrical lithium battery and realizes crouching envelope；
The reshaping device (40) include at least one can the sizing die (41) that moves up and down of opposite rack, the sizing die (41) is from upper past
The block insulation colloid of sizing die (41) the shaping cylindrical lithium battery in lower motion process.
2. cylindrical lithium battery closing device according to claim 1, it is characterised in that：The movement of the fixture (11) is laterally
Movement；Be installed with positioning region on the fixture (11), the positioning region be equipped with the second arcwall face (12), second arcwall face (12) and
It arranges and is coaxially set above and below first arcwall face, which is vertically arranged, which is more than the first arc
Shape radius surface；Multiple second arcwall faces (12) of fixture (11) in amplexis cylindrical lithium battery state are tied with positioning is encircled into
Structure, the periphery wall of the crimping upper mold, the periphery wall of envelope of squatting mould are all adapted to the location structure.
3. cylindrical lithium battery closing device according to claim 1, it is characterised in that：The fixture (11), which can be assembled and disassembled, to be connected to
Two sets of fixtures (11) are arranged in rack, the snap gauge mechanism (10), wherein the first arcwall face of a set of fixture (11) is in cylindrical surface portion
Structure, the first arcwall face of another set of fixture (11) are convexly equipped with the raised line (13) of the annular slot rolling of cooperation cylindrical lithium battery shell.
4. cylindrical lithium battery closing device according to claim 1, it is characterised in that：The crimping upper mold outer wall is recessed with
One attaching slot (23), crouching envelope mould outer wall are recessed with the second attaching slot (33), the first attaching slot (23) structure and the second attaching slot
(33) structure is identical.
5. according to the cylindrical lithium battery closing device described in claim 1 or 2 or 3 or 4, it is characterised in that：The crimping upper mold is opened
Equipped with upper and lower perforative first through hole (22), have in the first through hole (22) lower port and crimping between turret wall (21)
Planar annular；Turret wall (21) axis and cylindrical lithium battery axis direction overlap in the crimping, and turret wall (21) is most in the crimping
Large diameter is more than the outer diameter of cylindrical lithium battery shell, and minimum diameter is less than the outer diameter of cylindrical lithium battery shell.
6. according to the cylindrical lithium battery closing device described in claim 1 or 2 or 3 or 4, it is characterised in that：Crouching envelope mould bottom surface
Crouching envelope protrusion (31) is convexly equipped with, crouching envelope mould is equipped with the second through hole (32) that envelope protrusion (31) end face of squatting is passed to by top surface, should
It squats and seals mold shaft line and the coincidence of cylindrical lithium battery axis direction, crouching envelope protrusion (31) outer diameter and cylindrical lithium battery envelope outer diameter phase
Deng.
7. according to the cylindrical lithium battery closing device described in claim 1 or 2 or 3 or 4, it is characterised in that：The sizing die (41)
The shaping portion (412) of rod piece (411) lower end is fixed in including a rod piece (411) and one；The shaping portion (412) is in down big up small
Pyramidal structure.
8. cylindrical lithium battery closing device according to claim 7, it is characterised in that：The sizing die (41) can assemble and disassemble connection
It is differed in rack and the mating multiple sizing dies (41) of reshaping device (40), the area of the maximum sole of different sizing die (41),
The bottom surface outer diameter and cylindrical lithium battery envelope outer diameter of the sizing die (41) of maximum area are equal.
9. according to the cylindrical lithium battery closing device described in claim 1 or 2 or 3 or 4, it is characterised in that：Several fixtures
(11) connection frame and can opposite rack along be moved towards cylindrical lithium battery axis direction distance, be made by fixture (11) movement several
First arcwall face energy amplexis cylindrical lithium battery of fixture (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384756.0A CN108054305B (en) | 2017-12-20 | 2017-12-20 | Sealing device for cylindrical lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384756.0A CN108054305B (en) | 2017-12-20 | 2017-12-20 | Sealing device for cylindrical lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054305A true CN108054305A (en) | 2018-05-18 |
| CN108054305B CN108054305B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711384756.0A Active CN108054305B (en) | 2017-12-20 | 2017-12-20 | Sealing device for cylindrical lithium battery |
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| Country | Link |
|---|---|
| CN (1) | CN108054305B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022154573A1 (en) * | 2021-01-14 | 2022-07-21 | 주식회사 엘지에너지솔루션 | Apparatus and method for producing cylindrical secondary battery cell |
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| JP2002198012A (en) * | 2000-12-26 | 2002-07-12 | Fdk Corp | Sealing device and sealing method of cylindrical cell |
| CN1988211A (en) * | 2005-12-20 | 2007-06-27 | 深圳华粤宝电池有限公司 | Battery cylindrical shell and cylindrical anti-explosion battery and its processing method and device |
| CN201117687Y (en) * | 2007-11-23 | 2008-09-17 | 潮州正龙电池工业有限公司 | Battery steel shell seal device |
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| WO2022154573A1 (en) * | 2021-01-14 | 2022-07-21 | 주식회사 엘지에너지솔루션 | Apparatus and method for producing cylindrical secondary battery cell |
| CN115136394A (en) * | 2021-01-14 | 2022-09-30 | 株式会社Lg新能源 | Apparatus and method for manufacturing cylindrical secondary battery cell |
| EP4087034A4 (en) * | 2021-01-14 | 2023-11-15 | LG Energy Solution, Ltd. | Apparatus and method for producing cylindrical secondary battery cell |
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