CN220527165U - Electrolyte injection device for lithium battery - Google Patents
Electrolyte injection device for lithium battery Download PDFInfo
- Publication number
- CN220527165U CN220527165U CN202322184752.5U CN202322184752U CN220527165U CN 220527165 U CN220527165 U CN 220527165U CN 202322184752 U CN202322184752 U CN 202322184752U CN 220527165 U CN220527165 U CN 220527165U
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- CN
- China
- Prior art keywords
- liquid injection
- magnetic
- lithium battery
- liquid
- control rod
- Prior art date
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- 238000002347 injection Methods 0.000 title claims abstract description 61
- 239000007924 injection Substances 0.000 title claims abstract description 61
- 239000003792 electrolyte Substances 0.000 title claims abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000037452 priming Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 102000004310 Ion Channels Human genes 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
A lithium battery electrolyte injection device belongs to the technical field of lithium battery production. The mounting bracket is provided with a conveying part and a driving part, the driving part is provided with a liquid injection part, and the liquid injection part is matched with the conveying part. The capacity of the sleeve is a fixed value, and the static time of the device is a fixed value by utilizing the stepping motor, so that the device can realize quantitative electrolyte addition; the liquid injection adopts rotary feeding, the liquid injection of the lithium battery is completed in the rotating process of the rotary table, the stop plug is controlled through magnetic force, the liquid discharge and closed conversion can be flexibly realized, the operation is simple, and the efficiency is high.
Description
Technical Field
The utility model relates to a lithium battery electrolyte injection device, and belongs to the technical field of lithium battery production.
Background
The lithium battery is produced by the following steps: the method comprises the steps of negative electrode homogenization, positive electrode homogenization, coating, rolling, slitting, baking, winding, shell entering, spot welding, baking, liquid injection, cap welding, cleaning, drying and storage, alignment degree detection, shell code spraying, formation, OCV measurement, normal-temperature storage and capacity division.
The electrolyte injection is to form an ion channel, so that enough lithium ions can migrate between the positive plate and the negative plate in the charge and discharge process of the battery, and reversible circulation is realized.
The existing liquid injection mode mainly comprises a manual liquid injection mode and a negative pressure liquid injection mode, wherein the manual liquid injection mode consumes large manpower and has low efficiency; the negative pressure liquid injection is carried out by vacuumizing the battery and using the pressure difference to inject the liquid, so that the operation is complicated.
Disclosure of Invention
In order to solve the problems that in the prior art, manual liquid injection needs to consume large manpower, efficiency is low, a battery needs to be vacuumized by negative pressure liquid injection, liquid injection is carried out by utilizing pressure difference, and operation is complex and split, the utility model provides a lithium battery electrolyte injection device.
The utility model adopts the following technical scheme: a lithium battery electrolyte injection device comprises a mounting bracket, a conveying part, a driving part and an electrolyte injection part; the mounting bracket is provided with a conveying part and a driving part, the driving part is provided with a liquid injection part, and the liquid injection part is matched with the conveying part.
Compared with the prior art, the utility model has the beneficial effects that:
the capacity of the sleeve is a fixed value, and the static time of the device is a fixed value by utilizing the stepping motor, so that the device can realize quantitative electrolyte addition; the liquid injection adopts rotary feeding, the liquid injection of the lithium battery is completed in the rotating process of the rotary table, the stop plug is controlled through magnetic force, the liquid discharge and closed conversion can be flexibly realized, the operation is simple, and the efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a mounting bracket;
fig. 3 is a schematic structural view of the conveying section;
fig. 4 is a schematic structural view of the driving section;
FIG. 5 is a schematic view of the structure of the liquid injecting section;
FIG. 6 is a schematic view of the structure of the liquid filling part in a closed state;
FIG. 7 is a schematic view of the structure of the liquid discharging state of the liquid filling part;
fig. 8 is a schematic view of the structure of the collecting sheath.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are all within the protection scope of the present utility model.
A lithium battery electrolyte injection device comprises a mounting bracket 1, a conveying part 2, a driving part 3 and an electrolyte injection part 4; the mounting bracket 1 is provided with a conveying part 2 and a driving part 3, the driving part 3 is provided with a liquid injection part 4, and the liquid injection part 4 is matched with the conveying part 2.
The conveying part 2 is used for feeding lithium batteries, is a conveying belt for intermittent motion, comprises a conveying belt 21 and a belt wheel 22, and is available for outsourcing, and is not described in detail.
The mounting bracket 1 comprises a bottom plate 11 and a second bracket 13; the upper end of the bottom plate 11 is fixed with a conveying part 2 and a second bracket 13 which is vertically arranged, and the upper end of the second bracket 13 is provided with a driving part 3.
The driving part 3 comprises a magnetic block 5, a motor mounting frame 31, a motor 32, a rotary table 33 and a magnetic conduction rod 35; the upper end of the second bracket 13 is fixedly connected with the magnetic block 5 and the motor mounting frame 31, a motor 32 and a magnetic conduction rod 35 which are vertically arranged are arranged on the lower surface of the motor mounting frame 31, the motor 32 is a stepping motor, an output shaft of the motor 32 is fixedly connected with the middle part of a turntable 33 which is horizontally arranged coaxially through an extension shaft, and a plurality of through holes 34 which are uniformly distributed and used for mounting a liquid injection barrel 41 are formed in the upper surface of the turntable 33 along the circumferential direction of the turntable and penetrate through the thickness direction of the turntable; the magnetic conducting rods 35 are arranged corresponding to the through holes 34, contact grooves 36 are formed in the middle of the magnetic conducting rods 35, and the contact grooves 36 are arranged in a matched and inserted mode with the magnetic blocks 5.
The liquid injection part 4 comprises a liquid injection barrel 41, a connecting frame 42, a magnetic head 43, a control rod 44 and a blocking plug 45; the electrolyte injection barrel 41 is used for containing electrolyte and is in a thin-wall barrel shape, a liquid outlet is formed in the barrel bottom surface of the electrolyte injection barrel 41, a blocking plug 45 is arranged at the liquid inlet end of the liquid outlet, the blocking plug 45 is used for sealing the liquid outlet of the electrolyte injection barrel 41, a connecting frame 42 is fixed at the top end of the electrolyte injection barrel 41, a control rod 44 is vertically fixed in the middle of the connecting frame 42, the control rod 44 is arranged in the electrolyte injection barrel 41, the lower end of the control rod 44 is matched with the blocking plug 45, and a magnetic head 43 is arranged at the upper end of the control rod 44; the magnetic head 43 is matched with the magnetic conduction rod 35; the connecting frame 42, the control rod 44 and the blocking plug 45 are made of magnetic materials which can be adsorbed by a magnet, the magnetic head 43 is a magnet, and the magnetic force of the magnetic head 43 is smaller than the gravity of the blocking plug 45.
The liquid injection barrels 41 are stepped and are respectively clamped in the corresponding through holes 34.
The bottom surface of the liquid injection barrel 41 is an inner conical surface inclined from the edge to the axis.
The stopper 45 is of a spherical structure, a groove which is matched with the stopper 45 and used for adsorbing and fixing the stopper 45 is formed in the lower end of the control rod 44, and the size of the groove is not smaller than that of the stopper 45.
The bottom plate 11 is further provided with a first support 12 which is vertically arranged, a funnel-shaped collecting sleeve 6 for collecting residual liquid is fixed between the first support 12 and the second support 13, the collecting sleeve 6 is arranged at the lower end of the driving part 3, and an avoiding groove for avoiding liquid injection barrel 41 to drain is formed in the wall body of the collecting sleeve 6. The avoiding groove is a through groove, and the size of the avoiding groove is larger than that of the liquid outlet of the liquid injection barrel 41.
When the lithium battery to be injected is transmitted through the transmission part 2, the motor 32 is started to drive the turntable 33 to rotate, and the injection barrel 41 is driven to rotate. When the magnetic head 43 on the liquid injection barrel 41 rotates to be in contact with the magnetic rod 35, the magnetic force of the magnetic head 43 is increased due to the action of the magnetic block 5, the blocking plug 45 is adsorbed to be separated from the liquid outlet of the liquid injection barrel 41, so that the liquid injection barrel 41 is in an open state, and then the lithium battery to be injected is injected.
The cooperation of the transfer section 2 and the driving section 3 can be obtained by pre-production experiments or calculations.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a lithium cell electrolyte priming device which characterized in that: comprises a mounting bracket (1), a conveying part (2), a driving part (3) and a liquid injection part (4); the mounting bracket (1) is provided with a conveying part (2) and a driving part (3), the driving part (3) is provided with a liquid injection part (4), and the liquid injection part (4) is matched with the conveying part (2).
2. The lithium battery electrolyte injection device according to claim 1, wherein: the mounting bracket (1) comprises a bottom plate (11) and a second bracket (13); the upper end of the bottom plate (11) is fixed with a conveying part (2) and a second support (13) which is vertically arranged, and the upper end of the second support (13) is provided with a driving part (3).
3. The lithium battery electrolyte injection device according to claim 2, wherein: the driving part (3) comprises a magnetic block (5), a motor mounting frame (31), a motor (32), a turntable (33) and a magnetic conduction rod (35); the upper end of the second bracket (13) is fixedly connected with the magnetic block (5) and the motor mounting frame (31), a motor (32) and a magnetic conduction rod (35) which are vertically arranged are arranged on the lower surface of the motor mounting frame (31), an output shaft of the motor (32) is coaxially and fixedly connected with the middle part of a turntable (33) which is horizontally arranged, and a plurality of through holes (34) are formed in the upper surface of the turntable (33); the magnetic conducting rods (35) are arranged corresponding to the through holes (34), contact grooves (36) are formed in the middle of the magnetic conducting rods (35), and the contact grooves (36) are arranged in a matched and inserted mode with the magnetic blocks (5).
4. A lithium battery electrolyte injection device as claimed in claim 3, characterized in that: the liquid injection part (4) comprises a liquid injection barrel (41), a connecting frame (42), a magnetic head (43), a control rod (44) and a blocking plug (45); the liquid injection device is characterized in that a liquid outlet is formed in the bottom surface of the liquid injection barrel (41), a blocking plug (45) is arranged at the liquid inlet end of the liquid outlet, a connecting frame (42) is fixed at the top end of the liquid injection barrel (41), a control rod (44) is vertically fixed in the middle of the connecting frame (42), the control rod (44) is arranged in the liquid injection barrel (41) and the lower end of the control rod (44) is matched with the blocking plug (45), and a magnetic head (43) is arranged at the upper end of the control rod (44); the magnetic head (43) is matched with the magnetic conduction rod (35); the connecting frame (42), the control rod (44) and the blocking plug (45) are made of magnetic materials, the magnetic head (43) is a magnet, and the magnetic force of the magnetic head (43) is smaller than the gravity of the blocking plug (45).
5. The lithium battery electrolyte injection device as claimed in claim 4, wherein: the bottom surface of the liquid injection barrel (41) is an inner conical surface.
6. The lithium battery electrolyte injection device according to claim 4 or 5, wherein: the stopper (45) is of a spherical structure, and a groove matched with the stopper (45) is formed in the lower end of the control rod (44).
7. The lithium battery electrolyte injection device according to claim 2 or 5, wherein: the novel anti-collision device is characterized in that a first support (12) which is vertically arranged is further arranged on the bottom plate (11), a funnel-shaped collecting sleeve (6) is fixed between the first support (12) and the second support (13), the collecting sleeve (6) is arranged at the lower end of the driving part (3), and an avoidance groove is formed in a wall body of the collecting sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184752.5U CN220527165U (en) | 2023-08-14 | 2023-08-14 | Electrolyte injection device for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184752.5U CN220527165U (en) | 2023-08-14 | 2023-08-14 | Electrolyte injection device for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527165U true CN220527165U (en) | 2024-02-23 |
Family
ID=89926058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322184752.5U Active CN220527165U (en) | 2023-08-14 | 2023-08-14 | Electrolyte injection device for lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527165U (en) |
-
2023
- 2023-08-14 CN CN202322184752.5U patent/CN220527165U/en active Active
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