CN111180815B - Square power battery pressurization becomes anchor clamps - Google Patents
Square power battery pressurization becomes anchor clamps Download PDFInfo
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- CN111180815B CN111180815B CN201911407712.4A CN201911407712A CN111180815B CN 111180815 B CN111180815 B CN 111180815B CN 201911407712 A CN201911407712 A CN 201911407712A CN 111180815 B CN111180815 B CN 111180815B
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- contraband
- clamping block
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- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a square power battery pressurization forming clamp which comprises a mounting block, wherein a fixing block is fixed on the mounting block, threaded holes are formed in four corners of the fixing block, a threaded rod is screwed in the threaded hole, a spring is sleeved on one side of the threaded rod, a limiting sleeve is sleeved on the outer side of the spring, a first Contraband-type clamping block is arranged on the other side of the limiting sleeve, a sliding rod is screwed in the middle of a first Contraband-type clamping block and penetrates through the fixing block through a through hole, a limiting block is arranged at the other end of the sliding rod, a second Contraband-type clamping block is arranged on one side, far away from the fixing block, of the first Contraband-type clamping block, the second Contraband-type clamping block is fixed on the upper end face of the mounting block through a bolt, a square power motor is clamped between the first Contraband-type clamping block and the second Contraband-type clamping block, arc-shaped bulges are uniformly formed in the first Contraband-type clamping block and the second Contraband-type clamping block in a whole body mode, the structure is simple, and the operation is convenient, the gas discharge during the formation of the square battery is realized, and the final thickness is ensured.
Description
Technical Field
The invention belongs to the technical field of battery pressurization forming clamps, and particularly relates to a pressurization forming clamp for a square power battery.
Background
The formation process is an important processing process of the lithium ion battery, the battery is charged for the first time in the formation process, and chemical reactions can occur between positive and negative electrode materials and electrolyte in the battery to generate gas. If the produced gas can not be discharged out of the battery in time, the thickness of the battery can be thickened, the contact between the pole pieces is not tight, the cycle life and the rate performance of the battery are influenced, and the safety of the battery is seriously influenced.
At the initial stage of battery formation of the square power battery at present, because the square power battery is not clamped, gas in the battery is not easy to discharge, the cycle life of the battery is influenced, and the safety of the battery is influenced, so that a pressurization formation clamp of the square power battery is necessary to design.
Disclosure of Invention
The invention aims to provide a pressurization formation clamp for a square power battery, which enables the surface of the clamp to be in good contact with the battery and limits the expansion of the battery at each stage of formation of the battery through the action of a spring and mechanical positioning so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a square power battery pressurization forming clamp comprises an installation block, wherein a fixed block is fixed on one side of the upper end surface of the installation block through a bolt, threaded holes are formed in four corners of the fixed block, a threaded rod is screwed in the threaded hole, one side of the threaded rod extends to the outer side of the threaded hole and is sleeved with a spring, a limiting sleeve is sleeved on the outer side of the spring, a first Contraband type clamping block is arranged on one side, away from the fixed block, of the limiting sleeve, a sliding rod is fixedly connected with the middle of one side, close to the fixed block, of the first Contraband type clamping block in a screwed mode, a through hole matched with the sliding rod is formed in the middle of the fixed block, the sliding rod penetrates through the fixed block through the through hole, a limiting block is integrally formed at the end part, away from the first Contraband type clamping block, of the sliding rod is located on one side, away from the first Contraband type clamping block, and a second Contraband type clamping block is arranged on one side, away from the fixed block, away from the first Contraband type clamping block, the second Contraband type clamping block is fixed on the upper end face of the mounting block through bolts, a square power motor is clamped between the first Contraband type clamping block and the second Contraband type clamping block, and arc-shaped protrusions are integrally formed in the first Contraband type clamping block and the second Contraband type clamping block.
Preferably, the height of the arc-shaped bulge is between 0.2 and 2 mm.
Preferably, the avoidance holes matched with the threaded rods are formed in four corners of one face, away from the second Contraband type clamping block, of the first Contraband type clamping block, and the diameter of each avoidance hole is larger than that of each threaded rod.
Preferably, the opening of the upper end of the first Contraband-shaped clamping block, which is far away from the second Contraband-shaped clamping block, is provided with a conical chamfer.
Preferably, an air vent is formed in the middle of the mounting block, and the air vent is located at a position between the first Contraband-type clamping block and the second Contraband-type clamping block.
Preferably, bases are fixed on the lower end faces of the two sides of the mounting block through bolts.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, at the initial stage of formation of the square battery, the first Contraband-type clamping block is propped against by the elasticity of the spring, the square battery is clamped by the first Contraband-type clamping block and the second Contraband-type clamping block, so that the square battery is always in close contact with the two clamping blocks, the gas generated in the square battery is smoothly discharged, when the square battery is in the later stage of formation, the thickness of the square battery is increased, the first Contraband-type clamping block is further pushed to move backwards until the first Contraband-type clamping block is in contact with the limiting sleeve at the rear side, therefore, the first Contraband-type clamping block is blocked by the limiting sleeve and cannot move backwards continuously, the distance between the first Contraband-type clamping block and the second Contraband-type clamping block is kept unchanged, the final thickness of the square battery is ensured, the structure is simple, the operation is convenient, the gas discharge during the formation of the square battery is realized, the final thickness is ensured, the service life of the battery is prolonged, and the safety of the battery is improved, and arc-shaped protrusions are arranged on the inner sides of the first Contraband-shaped clamping block and the second Contraband-shaped clamping block, so that the appearance of the battery is attractive in the expansion process.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a bottom structure view of the present invention.
Reference numerals: 1. mounting blocks; 2. a fixed block; 3. a threaded hole; 4. a threaded rod; 5. a spring; 6. a limiting sleeve; 7. a first type Contraband clamping block; 8. a slide bar; 9. a through hole; 10. a limiting block; 11. a second type Contraband clamping block; 12. an arc-shaped bulge; 13. avoiding holes; 14. conical chamfering; 15. a vent hole; 16. a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: as shown in fig. 1-3, a square power battery pressurization formation clamp comprises an installation block 1, in order to facilitate installation and fixation of the whole device and improve stability of the device, bases 16 are fixed on lower end surfaces of two sides of the installation block 1 through bolts, a fixed block 2 is fixed on one side of an upper end surface of the installation block 1 through bolts, threaded holes 3 are formed in four corners of the fixed block 2, threaded rods 4 are screwed in the threaded holes 3, one side of each threaded rod 4 extends to the outer side of each threaded hole 3 and is sleeved with a spring 5, a limiting sleeve 6 is sleeved on the outer side of each spring 5, and a first Contraband-type clamping block 7 is arranged on one side, away from the fixed block 2, of each limiting sleeve 6;
a sliding rod 8 is fixedly screwed in the middle of one surface, close to the fixed block 2, of the first Contraband-type clamping block 7, a through hole 9 matched with the sliding rod 8 is formed in the middle of the fixed block 2, the sliding rod 8 penetrates through the fixed block 2 through the through hole 9, a limiting block 10 is integrally formed at one end, far away from the first Contraband-type clamping block 7, of the sliding rod 8, the limiting block 10 is located on one side, far away from the first Contraband-type clamping block 7, of the fixed block 2, a second Contraband-type clamping block 11 is arranged on one side, far away from the fixed block 2, of the first Contraband-type clamping block 7, the second Contraband-type clamping block 11 is fixed to the upper end face of the mounting block 1 through bolts, a square power motor is clamped between the first Contraband-type clamping block 7 and the second Contraband-type clamping block 11, an arc-shaped bulge 12 is integrally formed in the first Contraband-type clamping block 7 and the second Contraband-type clamping block 11, and the height of the arc-shaped bulge 12 is located between 0.2 mm, and the appearance of the battery is guaranteed in the expansion process;
the four corners of one side of the first Contraband-type clamping block 7 far from the second Contraband-type clamping block 11 are provided with avoidance holes 13 matched with the threaded rod 4, the diameter of the avoidance holes 13 is larger than that of the threaded rod 4, collision between the threaded rod 4 and the rear side of the first Contraband-type clamping block 7 is prevented, avoidance and protection effects are achieved, the upper end opening of the first Contraband-type clamping block 7 far from the second Contraband-type clamping block 11 is provided with a conical chamfer 14, a square battery can be conveniently and smoothly placed between the first Contraband-type clamping block 7 far from the second Contraband-type clamping block 11 to be clamped, the middle of the mounting block 1 is provided with a vent hole 15, the vent hole 15 is located between the first Contraband-type clamping block 7 far from the second Contraband-type clamping block 11, and gas generated on the lower side of the square battery is exhausted out of the clamp through the vent hole 15.
The structure principle is as follows: in the initial stage of formation of the square battery, the first Contraband-type clamping block 7 is tightly propped against by the elastic force of the spring 5, and the square battery is clamped under the matching of the first Contraband-type clamping block 7 and the second Contraband-type clamping block 11, so that the square battery is always in close contact with the two clamping blocks, and gas generated in the square battery is smoothly discharged;
when the square battery is in the later stage of formation, the thickness of the square battery is increased, the first Contraband-type clamping block 7 is further pushed to move backwards until the first Contraband-type clamping block 7 is in contact with the limiting sleeve 6 sleeved on the rear threaded rod 4, so that the first Contraband-type clamping block 7 is blocked by the limiting sleeve 6 and cannot move backwards continuously, the distance between the first Contraband-type clamping block 7 and the second Contraband-type clamping block 11 is kept unchanged, the final thickness of the square battery is guaranteed, the service life and the safety of the battery are improved, the arc-shaped protrusions 12 are arranged on the inner sides of the first Contraband-type clamping block 7 and the second Contraband-type clamping block 11, and the appearance of the battery is attractive in the expansion process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a square power battery pressor ization becomes anchor clamps, includes installation piece (1), its characterized in that: the mounting block is characterized in that a fixing block (2) is fixed on one side of the upper end face of the mounting block (1) through a bolt, threaded holes (3) are formed in four corners of the fixing block (2), a threaded rod (4) is screwed in the threaded hole (3), one side of the threaded rod (4) extends to the outer side of the threaded hole (3) and is sleeved with a spring (5), a limiting sleeve (6) is sleeved on the outer side of the spring (5), a first Contraband type clamping block (7) is arranged on one side, far away from the fixing block (2), of the limiting sleeve (6), a sliding rod (8) is fixedly screwed in the middle of one side, close to the fixing block (2), of the first Contraband type clamping block (7), a through hole (9) matched with the sliding rod (8) is formed in the middle of the fixing block (2), the sliding rod (8) penetrates through the fixing block (2) through the through hole (9), and a limiting block (10) is integrally formed at one end part, far away from the first Contraband type clamping block (7), of the sliding rod (8), the limiting block (10) is located on one side, away from the first Contraband-type clamping block (7), of the fixing block (2), a second Contraband-type clamping block (11) is arranged on one side, away from the fixing block (2), of the first Contraband-type clamping block (7), the second Contraband-type clamping block (11) is fixed to the upper end face of the mounting block (1) through bolts, a square power motor is clamped between the first Contraband-type clamping block (7) and the second Contraband-type clamping block (11), and arc-shaped protrusions (12) are integrally formed inside the first Contraband-type clamping block (7) and the second Contraband-type clamping block (11); the height of the arc-shaped bulge (12) is 0.2-2 mm; the four corners of one surface, away from the second Contraband type clamping block (11), of the first Contraband type clamping block (7) are provided with avoidance holes (13) matched with the threaded rod (4), and the diameters of the avoidance holes (13) are larger than those of the threaded rod (4); conical chamfers (14) are arranged at openings of the upper ends of the first Contraband-shaped clamping blocks (7) far away from the second Contraband-shaped clamping block (11); the middle of the mounting block (1) is provided with a vent hole (15), and the vent hole (15) is positioned between the first Contraband-type clamping block (7) and the second Contraband-type clamping block (11); and bases (16) are fixed on the lower end faces of the two sides of the mounting block (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407712.4A CN111180815B (en) | 2019-12-31 | 2019-12-31 | Square power battery pressurization becomes anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407712.4A CN111180815B (en) | 2019-12-31 | 2019-12-31 | Square power battery pressurization becomes anchor clamps |
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| Publication Number | Publication Date |
|---|---|
| CN111180815A CN111180815A (en) | 2020-05-19 |
| CN111180815B true CN111180815B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911407712.4A Active CN111180815B (en) | 2019-12-31 | 2019-12-31 | Square power battery pressurization becomes anchor clamps |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207587862U (en) * | 2017-12-07 | 2018-07-06 | 合肥恒宇新能源有限公司 | A kind of packaging mechanism of the flexible packaging power battery with self-adapting type |
| CN109148935A (en) * | 2013-03-14 | 2019-01-04 | 新强能电池公司 | Chucking device for electrochemical cell stack |
| CN109273775A (en) * | 2018-11-20 | 2019-01-25 | 佛山科学技术学院 | A kind of battery formation clamp of flexible package lithium cell |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202094235U (en) * | 2011-05-24 | 2011-12-28 | 珠海市鹏辉电池有限公司 | Flexible packaging lithium ion battery formation clamp |
| KR101962526B1 (en) * | 2014-03-17 | 2019-03-26 | 닛산 지도우샤 가부시키가이샤 | Pressurization device for battery cells |
| CN206180002U (en) * | 2016-11-02 | 2017-05-17 | 深圳市新浦自动化设备有限公司 | Power battery fixture |
| CN208539014U (en) * | 2018-06-08 | 2019-02-22 | 深圳市新浦自动化设备有限公司 | Battery core stress balance formula formation of Li-ion batteries fixture |
-
2019
- 2019-12-31 CN CN201911407712.4A patent/CN111180815B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148935A (en) * | 2013-03-14 | 2019-01-04 | 新强能电池公司 | Chucking device for electrochemical cell stack |
| CN207587862U (en) * | 2017-12-07 | 2018-07-06 | 合肥恒宇新能源有限公司 | A kind of packaging mechanism of the flexible packaging power battery with self-adapting type |
| CN109273775A (en) * | 2018-11-20 | 2019-01-25 | 佛山科学技术学院 | A kind of battery formation clamp of flexible package lithium cell |
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| Publication number | Publication date |
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| CN111180815A (en) | 2020-05-19 |
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