CN213905554U - Cylindrical battery liquid injection device - Google Patents
Cylindrical battery liquid injection device Download PDFInfo
- Publication number
- CN213905554U CN213905554U CN202023248559.6U CN202023248559U CN213905554U CN 213905554 U CN213905554 U CN 213905554U CN 202023248559 U CN202023248559 U CN 202023248559U CN 213905554 U CN213905554 U CN 213905554U
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- China
- Prior art keywords
- cylindrical battery
- upper cavity
- tray base
- liquid injection
- vacuum upper
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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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- 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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- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a cylinder battery priming device belongs to lithium ion battery technical field, include: the device comprises a transmission belt, a position sensor, a vacuum upper cavity, an injection needle tube, an air tube and a tray base used for placing a cylindrical battery after ultrasonic welding, wherein the tray base is placed on the transmission belt, the position sensor is installed on one side of a conveying mechanism, the liftable vacuum upper cavity is arranged above the position where the position sensor is installed on the conveying mechanism, the vacuum upper cavity descends to form a sealed space with the tray base, and the injection needle tube used for injecting electrolyte and the air tube used for vacuumizing are installed in the vacuum upper cavity. The utility model discloses make cylinder battery laser welding earlier annotate liquid again, solve cylinder battery earlier and annotate liquid laser welding in-process rosin joint and spark phenomenon again in the past, improve the yields of production, improve the security performance of electric core.
Description
Technical Field
The utility model relates to a lithium ion battery technical field, in particular to cylinder battery priming device.
Background
With the continuous progress of lithium ion battery technology, the electric driving of lithium ion batteries has entered various fields of life. At present, a new battery replacement mode appears, which can slow down the damage of quick charge to the battery, so that the demand of the lithium ion battery is increased, and the layout yield of each large battery production plant is increased. It is a starting point to improve the production efficiency of the cell and ensure the quality of the cell, and the conventional 18650 cylindrical battery and the battery adopting the same process, such as 21700, are produced by injecting liquid and then laser welding the positive electrode tab on the cap. However, electrolyte is remained on the positive electrode tab after liquid injection, sparking is performed during laser welding, and partial positive electrode tab can be melted and subjected to cold welding, so that the yield of the battery is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome not enough among the above-mentioned background art to improve the production efficiency of electric core and the yields of battery.
In order to realize above mesh, adopt a cylinder battery priming device, include: the device comprises a transmission belt, a position sensor, a vacuum upper cavity, an injection needle tube, an air tube and a tray base used for placing a cylindrical battery after ultrasonic welding, wherein the tray base is placed on the transmission belt, the position sensor is installed on one side of a conveying mechanism, the liftable vacuum upper cavity is arranged above the position where the position sensor is installed on the conveying mechanism, the vacuum upper cavity descends to form a sealed space with the tray base, and the injection needle tube used for injecting electrolyte and the air tube used for vacuumizing are installed in the vacuum upper cavity.
Furthermore, a groove for accommodating the cylindrical battery is formed in the tray base.
Furthermore, the outer side of the liquid injection needle tube is connected with an electrolyte conduit.
Furthermore, the liquid injection needle tube is made of corrosion-resistant high-molecular inert materials.
Further, when the vacuum upper cavity descends to form a sealed space with the tray base, the liquid injection needle tube is completely inserted into the cylindrical battery, and the distance between the needle head of the liquid injection needle tube and the bottom of the battery core of the cylindrical battery is 3-5 mm.
Furthermore, the air pipe is fixedly connected to one corner of the vacuum upper cavity and is communicated with vacuum and compressed air.
Furthermore, the vacuum upper cavity is connected with a lifting mechanism.
Compared with the prior art, the utility model discloses there are following technological effect: this scheme makes cylinder battery can annotate liquid earlier laser welding again, through reversing technology order, solves cylinder battery earlier and annotates liquid laser welding in-process rosin joint and spark phenomenon in the past, improves the yields of production, improves the security performance of electric core.
Drawings
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a cylindrical battery electrolyte filling device.
In the figure:
1-a pallet base; 2-a conveyor belt; 3-a position sensor; 4-vacuum upper chamber; 5-liquid injection needle tube; 6-trachea.
Detailed Description
To further illustrate the features of the present invention, please refer to the following detailed description and accompanying drawings. The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure.
As shown in fig. 1, the present embodiment discloses a cylindrical battery liquid injection device, which includes: drive belt 2, position sensor 3, vacuum epicoele 4, annotate liquid needle tubing 5, trachea 6 and the tray base 1 that is used for placing the cylinder battery after the ultrasonic bonding, wherein, tray base 1 places on drive belt 2, position sensor 3 installs in transport mechanism one side, transport mechanism is used for the position top of mounted position sensor 3 to arrange the vacuum epicoele 4 of a liftable, the decline of vacuum epicoele 4 forms the confined space with tray base 1, install in the vacuum epicoele 4 and be used for injecting the needle tubing 5 of electrolyte and be used for the trachea 6 of evacuation.
In this embodiment, put into tray base 1's recess through the cylinder battery that utilizes the manipulator to weld the positive block of last process laser, tray base 1 is fixed on the conveyer belt, utilizes the conveyer belt to drive tray base 1 and removes and get into next process for the cylinder battery produces. The position sensor is used for sensing the position of the tray base 1, the tray base 1 is stopped at the position, the vacuum upper cavity 4 is descended to form a sealed space with the tray base 1 in a closed mode when the tray base 1 reaches the fixed position of the position sensor 3, the liquid injection needle tube 5 is inserted into the winding core to inject electrolyte, and the air tube 6 is vacuumized. The electrolyte is slowly infiltrated and permeated from the bottom of the battery core upwards under the vacuum condition, when the electrolyte is completely injected, the air pipe 6 is communicated with compressed air, the vacuum upper cavity 4 rises, and the conveying mechanism drives the cylindrical battery which is completely injected with the electrolyte to continue the next procedure.
As a further preferred technical scheme, a groove for accommodating the cylindrical battery is formed in the tray base 1, and the cylindrical battery is vertical to the groove.
As a further preferable technical scheme, the outer side of the liquid injection needle tube 5 is connected with an electrolyte conduit, and the liquid injection needle tube 5 is made of a corrosion-resistant high polymer inert material.
As a further preferred technical scheme, when the vacuum upper chamber 4 descends to form a sealed space with the tray base 1, the liquid injection needle tube 5 passes through the middle hole of the cylindrical battery and is completely inserted into the cylindrical battery, and the distance between the needle head of the liquid injection needle tube 5 and the bottom of the battery core of the cylindrical battery is 3-5 mm.
As a further preferable technical solution, the air pipe 6 is fixedly connected to one corner of the vacuum upper chamber 4, and the air pipe 6 is connected to vacuum and compressed air for balancing the internal and external pressures of the sealed space.
As a further preferable technical solution, the vacuum upper chamber 4 is connected to a lifting mechanism to realize the lowering and raising of the vacuum upper chamber 4.
It should be noted that, the lifting mechanism in this embodiment may be a lifting table or a lead screw lifting mechanism, and the lifting mechanism is used to drive the vacuum upper chamber to move up and down.
It should be noted that, this embodiment is through reversing traditional earlier annotating liquid and laser welding process, introduces a novel priming device, has solved laser welding rosin joint and spark phenomenon, improves the output yields of production, improves the security performance of electric core.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A cylindrical battery liquid injection device is characterized by comprising: the device comprises a transmission belt, a position sensor, a vacuum upper cavity, an injection needle tube, an air tube and a tray base used for placing a cylindrical battery after ultrasonic welding, wherein the tray base is placed on the transmission belt, the position sensor is installed on one side of a conveying mechanism, the liftable vacuum upper cavity is arranged above the position where the position sensor is installed on the conveying mechanism, the vacuum upper cavity descends to form a sealed space with the tray base, and the injection needle tube used for injecting electrolyte and the air tube used for vacuumizing are installed in the vacuum upper cavity.
2. The cylindrical battery filling device according to claim 1, wherein a groove for accommodating the cylindrical battery is formed in the tray base.
3. The cylindrical battery filling device according to claim 1, wherein an electrolyte conduit is connected to the outside of the filling needle tube.
4. The liquid injection device for the cylindrical battery as claimed in claim 1 or 3, wherein the liquid injection needle tube is made of a corrosion-resistant high-molecular inert material.
5. The liquid injection device for the cylindrical battery according to claim 1 or 3, wherein when the vacuum upper chamber descends to form a sealed space with the tray base, the liquid injection needle tube is completely inserted into the cylindrical battery and the distance between the needle of the liquid injection needle tube and the bottom of the battery core of the cylindrical battery is 3-5 mm.
6. The cylindrical battery electrolyte filling device according to claim 1, wherein the air pipe is fixedly connected to one corner of the vacuum upper cavity, and the air pipe is communicated with vacuum and compressed air.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023248559.6U CN213905554U (en) | 2020-12-28 | 2020-12-28 | Cylindrical battery liquid injection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023248559.6U CN213905554U (en) | 2020-12-28 | 2020-12-28 | Cylindrical battery liquid injection device |
Publications (1)
Publication Number | Publication Date |
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CN213905554U true CN213905554U (en) | 2021-08-06 |
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Family Applications (1)
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CN202023248559.6U Active CN213905554U (en) | 2020-12-28 | 2020-12-28 | Cylindrical battery liquid injection device |
Country Status (1)
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CN (1) | CN213905554U (en) |
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2020
- 2020-12-28 CN CN202023248559.6U patent/CN213905554U/en active Active
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