CN110571473B - Accurate vacuumizing sealing device - Google Patents
Accurate vacuumizing sealing device Download PDFInfo
- Publication number
- CN110571473B CN110571473B CN201910901051.4A CN201910901051A CN110571473B CN 110571473 B CN110571473 B CN 110571473B CN 201910901051 A CN201910901051 A CN 201910901051A CN 110571473 B CN110571473 B CN 110571473B
- Authority
- CN
- China
- Prior art keywords
- bayonet
- air bag
- pressing plate
- sealing
- assembly
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 71
- 238000003825 pressing Methods 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000005086 pumping Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention discloses an accurate vacuumizing sealing device which comprises a sealing cavity, and a head assembly, a bayonet assembly, a battery cell positioning assembly and an air bag pressing plate assembly which are arranged in the sealing cavity, wherein the battery cell positioning assembly and the air bag pressing plate assembly are respectively positioned at two sides of the head assembly, the bayonet assembly is positioned above the air bag pressing plate assembly, a bayonet hole corresponding to the bayonet assembly is arranged on the air bag pressing plate assembly, a suction assembly is connected with the lower part of the air bag pressing plate assembly in a sealing way, the suction assembly comprises a liquid receiving groove and a suction nozzle, the bayonet hole penetrates through the air bag pressing plate assembly and is communicated with the liquid receiving groove, and the suction nozzle is arranged below the liquid receiving groove and extends out from the lower part of the sealing cavity. According to the invention, only the puncture opening of the air bag is used as the suction opening, so that the electrolyte can be sucked into the liquid receiving groove completely according to the vacuum flow direction without splashing, pollution and corrosion to the end socket and the surface of the battery are avoided, and the quality of the battery core is improved.
Description
Technical Field
The invention relates to the technical field of lithium battery packaging, in particular to an accurate vacuumizing sealing device.
Background
The lithium ion battery cell needs to pre-seal the air bag edge immediately after the electrolyte is injected, namely, one seal is needed, the cell needs to be formed after the one seal is completed, a certain amount of gas can be generated in the formation process, and waste gas needs to be pumped out and then is packaged for the second time, namely, two seals are needed. During secondary sealing, the battery cell main body is required to be placed on the base plate, the air bag is punctured by the bayonet, and meanwhile, waste gas and redundant electrolyte are pumped out by vacuumizing, and then the battery cell main body is packaged in a secondary sealing area by the sealing head. In the prior art, an electric core is placed in a sealed cavity, an air bag is punctured by a bayonet, and then the sealed cavity is pumped by an air pumping device, so that the cavity is formed into vacuum. In the process, the sealing head and the battery are both positioned in the vacuum cavity, so that electrolyte is easy to splash out from the upper part and the lower part of the puncture, and the surfaces of the sealing head and the battery are polluted and corroded. The short circuit phenomenon of the battery is easy to cause in the operation, the reject ratio of the product can be greatly increased, so that the reject ratio of the product can not be well controlled, the quality and the working efficiency of the finished lithium battery product can not be ensured, the production efficiency and the cost are influenced, and the production safety can not be well ensured.
Disclosure of Invention
The invention aims to solve the technical problem of providing the accurate vacuumizing sealing device, so that electrolyte can be completely sucked into the liquid receiving tank according to the vacuum flow direction without splashing, thereby solving the problem of pollution and corrosion on the surface of the sealing head and the battery.
In order to solve the technical problems, the invention provides a precise vacuumizing sealing device, which comprises a sealing cavity, and a sealing head component, a bayonet component, a cell positioning component and an air bag pressing plate component which are arranged in the sealing cavity, wherein the cell positioning component and the air bag pressing plate component are respectively positioned at two sides of the sealing head component, the bayonet component is positioned above the air bag pressing plate component, a bayonet hole corresponding to the bayonet component is arranged on the air bag pressing plate component, a suction component is connected below the air bag pressing plate component in a sealing way, the suction component comprises a liquid receiving groove and a suction nozzle, the bayonet hole penetrates through the air bag pressing plate component and is communicated with the liquid receiving groove, and the suction nozzle is arranged below the liquid receiving groove and extends out from the lower part of the sealing cavity.
Further, the air bag pressing plate component comprises an upper air bag pressing plate and a lower air bag pressing plate, the bayonet holes penetrate through the upper air bag pressing plate and the lower air bag pressing plate, and the suction component is connected below the lower air bag pressing plate in a sealing mode.
Further, the lower air bag pressing plate comprises a pressing plate body and a sealing key, the middle of the pressing plate body is hollowed, the sealing key is closely adjacent and detachably mounted above the hollowed part of the pressing plate body, and a lower bayonet hole is formed in the sealing key below the position corresponding to the bayonet body on the bayonet component.
Further, a plurality of stop rods are arranged in the hollowed-out parts of the pressing plate body, and the stop rods are located below the joint parts of the adjacent sealing keys.
Further, the lower surface of the upper air bag pressing plate and the upper surface of the lower air bag pressing plate are inclined downwards at one end far away from the seal head assembly.
Further, the air suction nozzle is arranged at one end of the liquid receiving tank, and the bottom of the liquid receiving tank is obliquely downwards arranged towards the direction of the air suction nozzle.
Further, the bayonet assembly comprises a bayonet body and a bayonet mounting plate, and the bayonet body is detachably connected with the bayonet mounting plate.
Further, the sealing cavity comprises an upper cavity and a lower cavity, and all the components move up and down in the sealing cavity through the power driving component.
Compared with the prior art, the accurate vacuumizing sealing device has the beneficial effects that only the puncture opening of the air bag is used as the vacuumizing opening, so that electrolyte can be sucked into the liquid receiving groove completely according to the vacuum flow direction without splashing, pollution and corrosion to the end socket and the surface of the battery are avoided, and the quality of the battery core is improved.
Drawings
FIG. 1 is a top view of a three-dimensional structure of the present invention;
FIG. 2 is a bottom view of the three-dimensional structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention after placement of the cells;
FIG. 5 is an exploded view of the lower air bag platen and suction assembly of the present invention;
FIG. 6 is a side view of the internal structure of the present invention;
fig. 7 is a cross-sectional view of the internal structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1-4, in an embodiment of the precise vacuumizing sealing device according to the present invention, the device includes a sealing cavity 10, and a sealing head component 20, a bayonet component 30, a cell positioning component 40 and a gas bag pressing board component 50 disposed in the sealing cavity 10, when the cell is sealed, a cell main body 70 is clamped between the cell positioning components 40, a portion 71 to be pierced by a gas bag is clamped between the gas bag pressing board components 50, the bayonet component 30 is utilized to pierce the gas bag to vacuumize out waste gas and redundant electrolyte, and then the sealing head component 20 is used for sealing the cell, so that the cell positioning component 40 and the gas bag pressing board component 50 are disposed on two sides of the sealing head component 20, the bayonet component 30 is disposed above the gas bag pressing board component 50, and the sealing of the cell is performed in the sealing cavity 10, thereby vacuumizing can be performed after the bayonet component 30 pierces the gas bag, a certain time is maintained after the vacuum reaches a set value, and the sealing head component 20 seals the cell. In this embodiment, the sealed cavity 10 includes an upper cavity 11 and a lower cavity 12, where the upper cavity 11 and the lower cavity 12 are detachably disposed, so that a battery cell is conveniently placed therein, and the above components all move up and down in the sealed cavity 10 through a power driving component (not shown in the drawing), so as to perform operations of puncturing, air extracting and sealing on the battery cell respectively. Further, the air bag pressing plate module 50 is provided with a puncture hole 51 corresponding to the puncture knife module 30, so that the puncture knife module 30 can be inserted into the air bag pressing plate module 50 to puncture the air bag, in this embodiment, in order to realize the air suction of the air bag, the air bag pressing plate module 50 is connected with a suction module 60 in a sealing manner, the suction module 60 includes a liquid receiving groove 61 and a suction nozzle 62, the puncture hole 51 penetrates through the air bag pressing plate module 50 and is communicated with the liquid receiving groove 61, the suction nozzle 62 is disposed below the liquid receiving groove 61 and extends out from the lower portion of the sealing cavity 10, and because the periphery of the liquid receiving groove 61 is in sealing connection with the air bag pressing plate module 50, the suction module 60 can only suck the sealing cavity 10 through the puncture hole 51 penetrating through the air bag pressing plate module 50, in this case, when the air bag of the battery cell covers the puncture hole 51 of the air bag pressing plate module 50, the suction nozzle 62 firstly sucks the sealing cavity 10 through the puncture hole of the air bag, so that the electrolyte in the air bag can be sucked completely according to the flow direction of the electrolyte in the air bag and cannot corrode the liquid receiving groove 61, and the vacuum sealing head cannot be corroded.
Referring to fig. 3-5, the air bag pressing plate assembly 50 includes an upper air bag pressing plate 52 and a lower air bag pressing plate 53, the bayonet holes 51 penetrate the upper air bag pressing plate 52 and the lower air bag pressing plate 53, the air bag of the battery cell is clamped between the upper air bag pressing plate 52 and the lower air bag pressing plate 53, and the bayonet pierces the air bag from above. In this embodiment, the bayonet assembly 30 includes a bayonet body 31 and a bayonet mounting plate 32, and the bayonet body 31 is detachably connected to the bayonet mounting plate 32, so that a corresponding number of bayonet bodies 31 can be set as needed. The number of bayonet holes 51 may be provided, and corresponding, regardless of how many bayonet bodies 31 are provided, the corresponding bayonet holes 51 enable the bayonet bodies 31 to depress the puncture air bags. Further, if the size of the battery cell is smaller than the sealing range of the liquid receiving groove 61 and the lower air bag pressing plate 53, that is, the air bag cannot completely cover all the bayonet holes 51, when the sealed cavity 10 is vacuumized through the air suction nozzle 62, besides the piercing hole of the air bag, the air is vacuumized from the uncovered bayonet holes 51, so that the suction of the air bag is affected. To solve this problem, in this embodiment, the lower air bag pressing plate 53 includes a pressing plate body 531 and a sealing key 532, the middle portion of the pressing plate body 531 is hollowed out, the sealing key 532 is closely adjacent to and detachably mounted above the hollowed-out portion of the pressing plate body 531, and a lower bayonet hole 533 is provided on the sealing key 532 below the position corresponding to the bayonet body 31 on the bayonet assembly 30. The sealing key 532 completely blocks the hollowed-out part of the pressing plate body 531, so that the sealing between the liquid receiving groove 61 and the lower air bag pressing plate 53 is realized, and in order to ensure the communication between the liquid receiving groove 61 and the air bag, the lower bayonet hole 533 is only arranged on the sealing key 532 corresponding to the lower part of the bayonet body 31, so that the air suction nozzle 62 can only suck from the puncturing position of the air bag, and the electrolyte in the air bag can be sucked into the liquid receiving groove 61 completely according to the vacuum suction flow direction. And the sealing key 532 is detachably connected with the pressing plate body 531, when the number of the bayonet bodies 31 is changed, the corresponding solid sealing key 532 is replaced by the sealing key 532 with the lower bayonet holes 533. For further forming the support to sealing key 532, and block the gap between the adjacent sealing key 532, be provided with a plurality of pin in the fretwork portion of clamp plate body 531, the pin is located adjacent sealing key 532's looks junction below for sealing key 532 sealed effect is better.
Referring to fig. 6, which is a side view of the present invention, in this embodiment, the lower surface of the upper air bag pressing plate 52 and the upper surface of the lower air bag pressing plate 53 are inclined downward toward the end far from the head module 20. Therefore, the air bag is inclined downwards from the joint of the air bag and the electric core, redundant electrolyte in the electric core flows into the air bag due to the action of gravity, and the upper and lower air bag clamping plates can completely clamp the air bag, so that the redundant electrolyte is ensured to be discharged completely.
Referring to fig. 7, in the present embodiment, the air suction nozzle 62 is disposed at one end of the liquid receiving tank 61, and the bottom of the liquid receiving tank 61 is disposed obliquely downward toward the air suction nozzle 62. The electrolyte thus sucked flows in the direction of the suction nozzle 62 by gravity, and is finally completely sucked out, without causing pollution.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. The utility model provides an accurate evacuation closing device, its characterized in that, is in including sealed cavity and setting head subassembly, bayonet module, electric core positioning module and air pocket clamp plate subassembly in the sealed cavity, electric core positioning module and air pocket clamp plate subassembly are located respectively the both sides of head subassembly, bayonet module is located the top of air pocket clamp plate subassembly, be provided with on the air pocket clamp plate subassembly with bayonet hole that bayonet module corresponds, air pocket clamp plate subassembly below sealing connection has the suction subassembly, the suction subassembly includes liquid receiving groove and suction nozzle, the bayonet hole link up air pocket clamp plate subassembly and intercommunication liquid receiving groove, the suction nozzle set up in liquid receiving groove below and follow sealed cavity lower part stretches out.
2. The precision vacuum sealing apparatus of claim 1, wherein the air bag platen assembly comprises an upper air bag platen and a lower air bag platen, the bayonet holes extend through the upper air bag platen and the lower air bag platen, and the suction assembly is sealingly connected below the lower air bag platen.
3. The precise vacuumizing sealing device according to claim 2, wherein the lower air bag pressing plate comprises a pressing plate body and a sealing key, the middle of the pressing plate body is hollowed out, the sealing key is closely adjacent to and detachably installed above the hollowed-out part of the pressing plate body, and a lower bayonet hole is formed in the sealing key below the position corresponding to the bayonet body on the bayonet component.
4. The precise vacuumizing sealing device according to claim 3, wherein a plurality of stop rods are arranged in the hollowed-out part of the pressing plate body, and the stop rods are positioned below the joint of the adjacent sealing keys.
5. The precision vacuum sealing apparatus of claim 2, wherein the lower surface of the upper air bag platen and the upper surface of the lower air bag platen are inclined downwardly away from the end of the head assembly.
6. A precision vacuum suction closure apparatus according to claim 1 wherein the suction nozzle is disposed at one end of the liquid receiving tank and the bottom of the liquid receiving tank is disposed obliquely downwardly in the direction of the suction nozzle.
7. The precision vacuum-pumping seal of claim 1 wherein said bayonet assembly comprises a bayonet body and a bayonet mounting plate, said bayonet body being removably connected to said bayonet mounting plate.
8. The precision vacuum sealing apparatus of claim 1, wherein the sealed cavity comprises an upper cavity and a lower cavity, each of which is movable up and down within the sealed cavity by a power driven assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901051.4A CN110571473B (en) | 2019-09-23 | 2019-09-23 | Accurate vacuumizing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901051.4A CN110571473B (en) | 2019-09-23 | 2019-09-23 | Accurate vacuumizing sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110571473A CN110571473A (en) | 2019-12-13 |
| CN110571473B true CN110571473B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910901051.4A Active CN110571473B (en) | 2019-09-23 | 2019-09-23 | Accurate vacuumizing sealing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110571473B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363655A (en) * | 2021-06-03 | 2021-09-07 | 宜春清陶能源科技有限公司 | Secondary packaging device and secondary packaging method for soft package battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682240A (en) * | 2013-12-04 | 2014-03-26 | 东莞市鸿宝锂电科技有限公司 | Battery manufacturing equipment, battery no-cavity vacuum liquid-drawing device and battery vacuum-pumping packaging method |
| CN206961962U (en) * | 2017-07-12 | 2018-02-02 | 鹤壁市诺信电子有限公司 | A kind of vacuum packaging machine with recovery function |
| CN207925565U (en) * | 2018-03-19 | 2018-09-28 | 东莞纵城智能科技有限公司 | A kind of soft-package battery is evacuated packaging system without cavity |
| CN208460888U (en) * | 2018-08-02 | 2019-02-01 | 东莞市浪鲸智能自动化装备有限公司 | It is a kind of to puncture air exhaust sealing device for battery core encapsulation |
| CN210272577U (en) * | 2019-09-23 | 2020-04-07 | 苏州杰锐思智能科技股份有限公司 | Accurate evacuation closing device |
-
2019
- 2019-09-23 CN CN201910901051.4A patent/CN110571473B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682240A (en) * | 2013-12-04 | 2014-03-26 | 东莞市鸿宝锂电科技有限公司 | Battery manufacturing equipment, battery no-cavity vacuum liquid-drawing device and battery vacuum-pumping packaging method |
| CN206961962U (en) * | 2017-07-12 | 2018-02-02 | 鹤壁市诺信电子有限公司 | A kind of vacuum packaging machine with recovery function |
| CN207925565U (en) * | 2018-03-19 | 2018-09-28 | 东莞纵城智能科技有限公司 | A kind of soft-package battery is evacuated packaging system without cavity |
| CN208460888U (en) * | 2018-08-02 | 2019-02-01 | 东莞市浪鲸智能自动化装备有限公司 | It is a kind of to puncture air exhaust sealing device for battery core encapsulation |
| CN210272577U (en) * | 2019-09-23 | 2020-04-07 | 苏州杰锐思智能科技股份有限公司 | Accurate evacuation closing device |
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| Publication number | Publication date |
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| CN110571473A (en) | 2019-12-13 |
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Address after: 15 Mudu East Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Suzhou jieruisi Intelligent Technology Co.,Ltd. Address before: Zhujiang Road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215000 No. 368 (Mudu Technology Park A025 room) Applicant before: SUZHOU JIERUISI AUTOMATIC EQUIPMENT Co.,Ltd. |
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