CN111987283A - Full-automatic liquid injection method for battery cell - Google Patents
Full-automatic liquid injection method for battery cell Download PDFInfo
- Publication number
- CN111987283A CN111987283A CN202010224357.3A CN202010224357A CN111987283A CN 111987283 A CN111987283 A CN 111987283A CN 202010224357 A CN202010224357 A CN 202010224357A CN 111987283 A CN111987283 A CN 111987283A
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- China
- Prior art keywords
- liquid injection
- battery cell
- air bag
- bag opening
- positioning system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention discloses a full-automatic liquid injection method for a battery cell, which is characterized by comprising the following steps of: the method comprises the following steps: before liquid injection, scanning and imaging the electric core to be injected with liquid through a CCD photographing positioning system, and identifying the position of an air bag opening of the electric core; step two: the mechanical arm automatically moves the liquid injection needle head according to the position information of the air bag opening identified by the CCD photographing and positioning system, and the liquid injection needle head is inserted into the air bag opening of the battery cell to inject electrolyte. According to the invention, the battery cell to be injected with liquid is scanned and imaged by adopting the CCD photographing positioning system, and the air bag opening position of the battery cell is identified, so that in the actual production process, the position of the air bag opening of the battery cell can be accurately found out by the CCD photographing positioning system only by placing the battery cell to be injected into the recognizable range of the CCD photographing positioning system, and thus, the liquid injection needle head is automatically moved by the mechanical arm to inject the liquid, the battery cell does not need to be placed at the designated position to position the battery cell again, the liquid injection efficiency of the battery cell is greatly improved, and the production cost of the battery is reduced.
Description
Technical Field
The invention relates to the technical field of battery production, in particular to a full-automatic liquid injection method for a battery cell.
Background
With the advent of the electronic intelligence era, people have increasingly demanded electronic products, and the demand for batteries for providing working power for the electronic products is also increasing. The electrolyte is an important component of the lithium ion battery, and the electrolyte injection is an important process for injecting quantitative electrolyte into the lithium ion battery and is an important link in the production process of the lithium ion battery. At present, the mode of annotating the liquid to the battery is fixed annotates the liquid syringe needle, set up positioning fixture in the below of annotating the liquid syringe needle, fix a position the battery through positioning fixture body to make the opening of battery air pocket just can guarantee the smooth completion of annotating the liquid process with annotating the liquid syringe needle, such mode is put the position of battery and is required high, the battery does not put the accuracy injection that just can not realize electrolyte in place, the liquid efficiency of annotating of battery has seriously been influenced, be unfavorable for the mass production of battery, the manufacturing cost of enterprise has been increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a full-automatic battery cell liquid injection method, which can improve the liquid injection efficiency of the battery cell, realize the automatic production of the battery and reduce the production cost of enterprises.
A full-automatic liquid injection method for a battery cell comprises the following steps:
the method comprises the following steps: before liquid injection, scanning and imaging the electric core to be injected with liquid through a CCD photographing positioning system, and identifying the position of an air bag opening of the electric core;
step two: the mechanical arm automatically moves the liquid injection needle head according to the position information of the air bag opening identified by the CCD photographing and positioning system, and the liquid injection needle head is inserted into the air bag opening of the battery cell to inject electrolyte.
As a preferable scheme, the method further comprises the following steps: and in the liquid injection process or after the liquid injection is completed, the electric core is vibrated by adopting the vibrator so that the electrolyte can fully permeate into the electric core.
As a preferable scheme, the method further comprises the following steps: and extruding and sealing the air bag opening of the battery cell after the vibration is finished.
As a preferable scheme, the method further comprises the following steps: after the extrusion sealing, the automatic blanking is carried out through a drawstring.
As a preferred scheme, before the first step, the battery core to be injected with liquid is placed in a turnover fixture, and the turnover fixture is conveyed to the position below the CCD photographing positioning system through a fixture circulation line.
As a preferred scheme, the CCD photographing and positioning system is installed on the mechanical arm and moves together with the mechanical arm.
As a preferred scheme, in the first step, after the CCD photographing positioning system identifies the air bag opening position of the battery, the central point position information of the opening position is found out, and the central point position information is transmitted to the mechanical arm, and the mechanical arm automatically moves the liquid injection needle according to the central point position information of the air bag opening, and inserts the liquid injection needle into the battery cell from the central point of the air bag opening.
Preferably, the electrolyte is delivered to the injection needle through the infusion tube by an electric pump.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and particularly, the battery cell to be injected is scanned and imaged by adopting the CCD shooting positioning system, and the air bag opening position of the battery cell is identified, so that in the actual production process, the position of the air bag opening of the battery cell can be accurately found out by the CCD shooting positioning system only by placing the battery cell to be injected into the identifiable range of the CCD shooting positioning system, the injection needle head is automatically moved by the mechanical arm to inject liquid, the battery cell does not need to be placed at the appointed position to position the battery cell again, the liquid injection efficiency of the battery cell is greatly improved, the automation degree is higher, the full-automatic production of the battery cell is more favorably realized, and the production cost of the battery is reduced.
In order to more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be further described in detail with reference to the following specific embodiments:
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The specific implementation mode of the invention is a full-automatic battery cell liquid injection method, which comprises the following steps:
the method comprises the following steps: before liquid injection, scanning and imaging the electric core to be injected with liquid through a CCD photographing positioning system, and identifying the position of an air bag opening of the electric core;
step two: the mechanical arm automatically moves the liquid injection needle head according to the position information of the air bag opening identified by the CCD photographing and positioning system, and the liquid injection needle head is inserted into the air bag opening of the battery cell to inject electrolyte.
Step three: and in the liquid injection process or after the liquid injection is completed, the electric core is vibrated by adopting the vibrator so that the electrolyte can fully permeate into the electric core.
Step four: and extruding and sealing the air bag opening of the battery cell after the vibration is finished.
Step five: after the extrusion sealing, the automatic blanking is carried out through a drawstring.
Specifically, before the first step, the battery core to be injected with liquid is placed on the turnover fixture, and the turnover fixture is conveyed to the position below the CCD photographing and positioning system through the fixture circulating line. In the actual production process, can carry a plurality of anchor clamps that load electric core to CCD through anchor clamps circulation line and shoot the distinguishable scope of positioning system to the air pocket opening position of electric core in this scope is discerned according to certain law in proper order to accessible CCD shooting positioning system, and then is shot positioning system discernment's air pocket opening position information by the arm according to CCD and carries out electrolyte to electric core in proper order and annotate the liquid.
Specifically, the CCD photographing positioning system is installed on the mechanical arm and moves together with the mechanical arm, so that the moving range of the CCD photographing positioning system is effectively enlarged, and the CCD photographing positioning system can be driven to move to the upper side of the battery cell by the mechanical arm after the turnover clamp with the battery cell reaches a certain range, and the air bag opening position of the battery cell is further identified.
Specifically, in the first step, after the CCD photographing and positioning system identifies the air bag opening position of the battery, the central point position information of the opening position is found out, and the central point position information is transmitted to the mechanical arm, the mechanical arm automatically moves the liquid injection needle head according to the air bag opening central point position information, and the liquid injection needle head is inserted into the battery cell from the air bag opening central point, so that the liquid injection precision is improved.
In the invention, the electrolyte is conveyed to the injection needle head by the electric pump through the infusion tube.
In conclusion, the battery core to be injected with liquid is scanned and imaged by the CCD shooting positioning system, and the air bag opening position of the battery core is identified, so that in the actual production process, the position of the air bag opening of the battery core can be accurately found out by the CCD shooting positioning system only by placing the battery core to be injected into the recognizable range of the CCD shooting positioning system, the liquid injection needle head is automatically moved by the mechanical arm to inject the liquid, the battery core does not need to be placed at the specified position to position the battery core again, the liquid injection efficiency of the battery core is greatly improved, the automation degree is higher, the full-automatic production of the battery core is facilitated, and the production cost of the battery is reduced.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, so that any modifications, equivalents, improvements, etc. made to the above embodiment according to the present invention are within the scope of the present invention.
Claims (8)
1. The full-automatic liquid injection method for the battery cell is characterized by comprising the following steps of:
the method comprises the following steps: before liquid injection, scanning and imaging the electric core to be injected with liquid through a CCD photographing positioning system, and identifying the position of an air bag opening of the electric core;
step two: the mechanical arm automatically moves the liquid injection needle head according to the position information of the air bag opening identified by the CCD photographing and positioning system, and the liquid injection needle head is inserted into the air bag opening of the battery cell to inject electrolyte.
2. The full-automatic battery cell liquid injection method according to claim 1, further comprising a third step of: and in the liquid injection process or after the liquid injection is completed, the electric core is vibrated by adopting the vibrator so that the electrolyte can fully permeate into the electric core.
3. The full-automatic battery cell liquid injection method according to claim 2, further comprising the fourth step of: and extruding and sealing the air bag opening of the battery cell after the vibration is finished.
4. The full-automatic battery cell liquid injection method according to claim 3, further comprising the step five: after the extrusion sealing, the automatic blanking is carried out through a drawstring.
5. The full-automatic battery cell liquid injection method according to any one of claims 1 to 4, wherein before the first step, the battery cell to be injected is placed in a turnover fixture, and the turnover fixture is conveyed to the position below the CCD photographing and positioning system through a fixture circulation line.
6. The full-automatic battery cell liquid injection method according to claim 1, wherein the CCD photographing and positioning system is mounted on a mechanical arm and moves together with the mechanical arm.
7. The full-automatic liquid injection method for the battery core according to claim 1 or 6, wherein in the first step, after the CCD photographing and positioning system identifies the air bag opening position of the battery, the position information of the central point of the opening position is found out, and the position information of the central point is transmitted to the mechanical arm, and the mechanical arm automatically moves the liquid injection needle head according to the position information of the central point of the air bag opening, and inserts the liquid injection needle head into the battery core from the central point of the air bag opening.
8. The full-automatic battery cell liquid injection method according to claim 7, wherein the electrolyte is delivered to the liquid injection needle through a liquid conveying pipe by an electric pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224357.3A CN111987283B (en) | 2020-03-26 | 2020-03-26 | Full-automatic liquid injection method for battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224357.3A CN111987283B (en) | 2020-03-26 | 2020-03-26 | Full-automatic liquid injection method for battery cell |
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| Publication Number | Publication Date |
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| CN111987283A true CN111987283A (en) | 2020-11-24 |
| CN111987283B CN111987283B (en) | 2023-02-21 |
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| CN202010224357.3A Active CN111987283B (en) | 2020-03-26 | 2020-03-26 | Full-automatic liquid injection method for battery cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787050A (en) * | 2021-01-08 | 2021-05-11 | 天能电池集团（安徽）有限公司 | Lead accumulator acid injection system |
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| CN205863018U (en) * | 2016-06-29 | 2017-01-04 | 中国科学院上海硅酸盐研究所 | Liquid-injection sealing machine |
| CN206313047U (en) * | 2016-11-28 | 2017-07-07 | 东莞新能源科技有限公司 | Battery core manufacture system |
| CN107394103A (en) * | 2017-06-22 | 2017-11-24 | 惠州金源精密自动化设备有限公司 | A kind of battery core fluid injection automated production equipment |
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| CN107919457A (en) * | 2017-10-19 | 2018-04-17 | 江西恒动新能源有限公司 | A kind of power lithium-ion battery liquid injection port clean method |
| CN108539117A (en) * | 2018-04-16 | 2018-09-14 | 合肥国轩高科动力能源有限公司 | A kind of injecting cylindrical lithium-ion battery and stand device |
| CN108550916A (en) * | 2018-03-28 | 2018-09-18 | 合肥国轩高科动力能源有限公司 | A kind of cylindrical lithium ion battery device to hole equipment |
| CN109755458A (en) * | 2019-02-22 | 2019-05-14 | 合肥国轩高科动力能源有限公司 | A kind of power cylindrical battery fluid injection is to aperture apparatus |
| CN208986084U (en) * | 2018-11-13 | 2019-06-14 | 广东新宇智能装备有限公司 | A kind of full-automatic Soft Roll bluetooth lithium battery rotating disc type liquid-injection equipment |
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2020
- 2020-03-26 CN CN202010224357.3A patent/CN111987283B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205863018U (en) * | 2016-06-29 | 2017-01-04 | 中国科学院上海硅酸盐研究所 | Liquid-injection sealing machine |
| CN206313047U (en) * | 2016-11-28 | 2017-07-07 | 东莞新能源科技有限公司 | Battery core manufacture system |
| CN107394103A (en) * | 2017-06-22 | 2017-11-24 | 惠州金源精密自动化设备有限公司 | A kind of battery core fluid injection automated production equipment |
| CN206952361U (en) * | 2017-07-03 | 2018-02-02 | 大族激光科技产业集团股份有限公司 | Jig device |
| CN107919457A (en) * | 2017-10-19 | 2018-04-17 | 江西恒动新能源有限公司 | A kind of power lithium-ion battery liquid injection port clean method |
| CN108550916A (en) * | 2018-03-28 | 2018-09-18 | 合肥国轩高科动力能源有限公司 | A kind of cylindrical lithium ion battery device to hole equipment |
| CN108539117A (en) * | 2018-04-16 | 2018-09-14 | 合肥国轩高科动力能源有限公司 | A kind of injecting cylindrical lithium-ion battery and stand device |
| CN208986084U (en) * | 2018-11-13 | 2019-06-14 | 广东新宇智能装备有限公司 | A kind of full-automatic Soft Roll bluetooth lithium battery rotating disc type liquid-injection equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787050A (en) * | 2021-01-08 | 2021-05-11 | 天能电池集团（安徽）有限公司 | Lead accumulator acid injection system |
| CN112787050B (en) * | 2021-01-08 | 2022-06-07 | 天能电池集团（安徽）有限公司 | Acid injection system for lead storage battery |
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| Publication number | Publication date |
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| CN111987283B (en) | 2023-02-21 |
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Effective date of registration: 20230509 Address after: 518000 room 378-86, East, third floor, building 206, Tairan Science Park, Tairan 6th Road, Tian'an community, Shatou street, Futian District, Shenzhen, Guangdong Province Patentee after: Shenzhen JINDA times Technology Co.,Ltd. Address before: Room 101, building 1, No.26, Shahu Xinyuan South Road, Tangxia Town, Dongguan City, Guangdong Province, 523000 Patentee before: DONGGUAN WEI SHENG MECHANICAL EQUIPMENT TECHNOLOGY CO.,LTD. |