CN220138401U - Negative pressure formation device for power battery - Google Patents
Negative pressure formation device for power battery Download PDFInfo
- Publication number
- CN220138401U CN220138401U CN202321534153.5U CN202321534153U CN220138401U CN 220138401 U CN220138401 U CN 220138401U CN 202321534153 U CN202321534153 U CN 202321534153U CN 220138401 U CN220138401 U CN 220138401U
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- CN
- China
- Prior art keywords
- negative pressure
- power battery
- pressure formation
- battery body
- wall
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 67
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052744 lithium Inorganic materials 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model discloses a negative pressure formation device of a power battery, which relates to the technical field of lithium battery formation and comprises a power battery body, a fixing mechanism and a negative pressure formation mechanism, wherein the fixing mechanism comprises a placement plate, clamping plates are arranged at two ends of the top of the placement plate, the negative pressure formation mechanism comprises a pressing plate, a mounting plate is mounted on one side of the top of the pressing plate, a movable plate is mounted on one side of the mounting plate, and a plurality of negative pressure components are mounted on the inner wall of the movable plate. According to the utility model, the two clamping plates can clamp and fix the power battery body through the rotation of the adjusting screw rod, the first hydraulic cylinder works to enable the pressing plate to press and limit the power battery body, and the two second hydraulic cylinders work to further adjust the height of the negative pressure component, so that the negative pressure component can better perform negative pressure formation operation on the liquid injection port of the power battery body, and the efficiency of the negative pressure formation operation of the power battery can be improved.
Description
Technical Field
The utility model relates to the technical field of lithium battery formation, in particular to a negative pressure formation device of a power battery.
Background
The formation of the lithium battery is the first charging process of the battery after the liquid injection of the lithium battery. This process can activate the active material in the battery, activating the lithium battery. Meanwhile, the lithium salt and the electrolyte undergo side reaction, a Solid Electrolyte Interface (SEI) film is generated on the negative electrode side of the lithium battery, and the film can prevent the side reaction from further happening, so that the loss of active lithium in the lithium battery is reduced. In the negative pressure formation process, the cell is vacuumized to-80 KPa from the liquid injection port. The negative pressure formation can timely remove generated gas, and ensures the stability and consistency of the SEI film. However, the formation equipment is complicated, the requirement on air tightness is high, and in addition, electrolyte loss can be generated in the vacuumizing process.
The utility model provides a power battery negative pressure formation device of publication number CN218414734U, includes bottom plate subassembly, apron subassembly, compresses tightly subassembly, negative pressure subassembly and compound overcurrent needle, apron subassembly liftable ground sets up the top of bottom plate subassembly, two compression subassemblies front and back relative settings be in bottom plate subassembly with between the apron subassembly, negative pressure subassembly with compound overcurrent needle all sets up on the apron subassembly. Through negative pressure to the inside negative pressure that takes out of formation of negative pressure subassembly electric core, can in time discharge the electricity core formation gas production, avoided the pollution to workshop environment, the time of standing is short, and the formation loses the liquid measure for a short time, has reduced the requirement to environment relative humidity, compresses tightly the subassembly and can prevent that the electric core from the casing warp when closed loop formation.
The prior art has the following defects: the existing negative pressure formation device can not accurately adjust the position of the negative pressure component when carrying out negative pressure formation operation on the power battery, so that the negative pressure component can not be stably connected with a liquid injection port of the power battery, the power battery is easy to deviate in the negative pressure formation process, the negative pressure formation operation can not be stably carried out on the power battery by the negative pressure component, and the negative pressure formation operation efficiency can be influenced.
The above information disclosed in the background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to provide a negative pressure formation device of a power battery, which can clamp and fix a power battery body through rotating an adjusting screw rod, a pressing plate can be pressed and limited on the power battery body through a first hydraulic cylinder, a negative pressure assembly can carry out negative pressure formation operation on the power battery body, the height of the negative pressure assembly can be further adjusted through the operation of two second hydraulic cylinders, the negative pressure assembly can better carry out negative pressure formation operation on a liquid injection port of the power battery body, the adaptability of the device can be further improved, the device can better carry out negative pressure formation operation on different power battery bodies, and the negative pressure formation operation efficiency of the power battery can be improved, so that the defects in the technology are overcome.
In order to achieve the above object, the present utility model provides the following technical solutions: the negative pressure formation device of the power battery comprises a power battery body and further comprises:
the fixing mechanism is arranged at the bottom of the power battery body and used for clamping and fixing the power battery body;
the negative pressure formation mechanism is arranged at the top of the power battery body and is used for carrying out pressing and negative pressure formation operation on the power battery body;
the fixing mechanism comprises a placing plate, an adjusting screw rod is arranged on the inner wall of the top of the placing plate, clamping plates are arranged on the outer sides of two ends of the adjusting screw rod, and the two clamping plates are respectively and movably connected with the outer walls of two ends of the power battery body;
the negative pressure formation mechanism comprises a pressing plate, first hydraulic cylinders are arranged at the tops of two ends of the pressing plate, a mounting plate is fixedly arranged on one side of the top of the pressing plate, second hydraulic cylinders are fixedly arranged at two ends of the top of the mounting plate, movable plates are fixedly arranged at the output ends of the second hydraulic cylinders, and a plurality of negative pressure components are fixedly arranged on the inner walls of the movable plates.
Preferably, the fixing mechanism comprises a mounting groove, the mounting groove is formed in the inner wall of the top of the placing plate, and the inner wall of the mounting groove is rotationally connected with the adjusting screw rod.
Preferably, the bottoms of the two clamping plates are fixedly provided with sliding blocks, the inner walls of the two sliding blocks are respectively in threaded connection with the outer walls of the two ends of the adjusting screw rod, and the outer walls of the two sliding blocks are respectively and movably connected with the two ends of the inner wall of the mounting groove.
Preferably, the fixing mechanism comprises a servo motor, the servo motor is fixedly arranged on the outer wall of one end of the placing plate, and the servo motor is connected with the adjusting screw rod through an output shaft in a transmission manner.
Preferably, the fixing mechanism comprises two fixing frames, and the two fixing frames are respectively and fixedly arranged at two ends of the top of the placing plate.
Preferably, the two opposite inner wall tops of one end of the fixing frame are respectively provided with a movable groove, the two ends of the pressing plate are respectively fixedly provided with a movable seat, and the outer walls of the two movable seats are respectively and movably connected with the inner walls of the two movable grooves.
Preferably, the tops of the two fixing frames are respectively and fixedly connected with two first hydraulic cylinders, and the output ends of the two first hydraulic cylinders are respectively and fixedly connected with two movable seats.
Preferably, the negative pressure formation mechanism comprises a through hole, the through hole is arranged at the middle position of the pressing plate, and the inner wall of the through hole is movably connected with the negative pressure component.
In the technical scheme, the utility model has the technical effects and advantages that:
1. the two clamping plates can clamp and fix the power battery body through the rotation of the adjusting screw, the first hydraulic cylinder works to enable the pressing plate to press and limit the power battery body, the negative pressure component can carry out negative pressure formation operation on the power battery body, meanwhile, the two second hydraulic cylinders work to drive the movable plate to move, the height of the negative pressure component can be further adjusted, the negative pressure component can better carry out negative pressure formation operation on a liquid injection port of the power battery body, the adaptability of the device can be improved, the device can better carry out negative pressure formation operation on different power battery bodies, and the efficiency of the negative pressure formation operation of the power battery can be improved;
2. the clamping plate can be limited by the connection between the mounting groove and the sliding block, so that the clamping plate is stable in the moving process, the clamping plate can stably clamp and fix the power battery body, meanwhile, the movable groove can limit the movement of the movable seat, the pressing plate is stable in the moving process, the pressing plate can stably press and limit the power battery body, and the power battery body is stable in the negative pressure formation process.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a perspective view of the present utility model.
Fig. 3 is an enlarged view of the portion a of fig. 2 in accordance with the present utility model.
Fig. 4 is an exploded view of a three-dimensional structure of the fixing mechanism of the present utility model.
Fig. 5 is an exploded view of the negative pressure formation mechanism of the present utility model.
Reference numerals illustrate:
1. a fixing mechanism; 101. placing a plate; 102. a mounting groove; 103. adjusting a screw rod; 104. a servo motor; 105. a slide block; 106. a clamping plate; 107. a fixing frame; 108. a movable groove;
2. a power battery body;
3. a negative pressure formation mechanism; 301. a pressing plate; 302. a movable seat; 303. a first hydraulic cylinder; 304. a mounting plate; 305. a second hydraulic cylinder; 306. a movable plate; 307. a negative pressure assembly; 308. and a through hole.
Detailed Description
The utility model provides a power battery negative pressure formation device as shown in fig. 1, which comprises a power battery body 2 and further comprises:
the fixing mechanism 1 is arranged at the bottom of the power battery body 2 and is used for clamping and fixing the power battery body 2;
the negative pressure formation mechanism 3 is arranged at the top of the power battery body 2 and is used for carrying out pressing and negative pressure formation operation on the power battery body 2.
For better centre gripping and fixed power battery body 2, as shown in fig. 2, fixed establishment 1 is including placing board 101, and the top inner wall of placing board 101 is provided with adjusting screw 103, and adjusting screw 103's both ends outside all is provided with grip block 106, and two grip blocks 106 respectively with power battery body 2's both ends outer wall swing joint, adjusting screw 103 rotates the distance between can adjusting two grip blocks 106 for grip block 106 can carry out centre gripping and fix power battery body 2.
In order to enable the clamping plates 106 to be kept stable in the moving process, as shown in fig. 3, the fixing mechanism 1 comprises a mounting groove 102, the mounting groove 102 is formed in the inner wall of the top of the placing plate 101, the inner wall of the mounting groove 102 is rotationally connected with the adjusting screw 103, sliding blocks 105 are fixedly mounted at the bottoms of the two clamping plates 106, the inner walls of the two sliding blocks 105 are respectively in threaded connection with the outer walls of the two ends of the adjusting screw 103, and the outer walls of the two sliding blocks 105 are respectively movably connected with the two ends of the inner wall of the mounting groove 102.
In order to provide power for the rotation of the adjusting screw 103, as shown in fig. 2, the fixing mechanism 1 comprises a servo motor 104, the servo motor 104 is fixedly installed on the outer wall of one end of the placing plate 101, the servo motor 104 is in transmission connection with the adjusting screw 103 through an output shaft, and the servo motor 104 works to enable the adjusting screw 103 to rotate, so that power can be provided for the distance adjustment between the two clamping plates 106.
In order to well compress and transform the power battery body 2, as shown in fig. 5, the negative pressure formation mechanism 3 comprises a pressing plate 301, wherein the top parts of two ends of the pressing plate 301 are respectively provided with a first hydraulic cylinder 303, one side of the top of the pressing plate 301 is fixedly provided with a mounting plate 304, two ends of the top of the mounting plate 304 are respectively fixedly provided with a second hydraulic cylinder 305, the output ends of the two second hydraulic cylinders 305 are fixedly provided with a movable plate 306, and the inner wall of the movable plate 306 is fixedly provided with a plurality of negative pressure components 307.
In order to enable the pressing plate 301 to be kept stable in the moving process, as shown in fig. 2, the fixing mechanism 1 comprises fixing frames 107, the fixing frames 107 are provided with two fixing frames 107, the two fixing frames 107 are respectively and fixedly installed at two ends of the top of the placing plate 101, movable grooves 108 are respectively formed in the tops of the inner walls of opposite ends of the two fixing frames 107, movable seats 302 are respectively and fixedly installed at two ends of the pressing plate 301, the outer walls of the two movable seats 302 are respectively and movably connected with the inner walls of the two movable grooves 108, the tops of the two fixing frames 107 are respectively and fixedly connected with two first hydraulic cylinders 303, and the output ends of the two first hydraulic cylinders 303 are respectively and fixedly connected with the two movable seats 302.
In order to align the negative pressure component 307 with the liquid injection port of the power battery body 2, as shown in fig. 5, the negative pressure formation mechanism 3 includes a through hole 308, the through hole 308 is opened at the middle position of the pressing plate 301, and the inner wall of the through hole 308 is movably connected with the negative pressure component 307.
The implementation mode specifically comprises the following steps: when the power battery body 2 is subjected to negative pressure formation operation, a plurality of power battery bodies 2 are placed on the top of the placing plate 101, the servo motor 104 works to enable the adjusting screw rod 103 to rotate, so that the two sliding blocks 105 can move along the inner wall of the mounting groove 102 at the outer sides of the two sliding blocks, further the two clamping plates 106 can clamp and fix the plurality of power battery bodies 2, further the two movable seats 302 can move along the inner wall of the movable groove 108 through the work of the two first hydraulic cylinders 303, further the pressing plate 301 can press and fix the power battery body 2, the plurality of negative pressure components 307 can be positioned right above the liquid injection port of the power battery body 2, further the movable plates 306 can press the mounting plate 304 to move downwards through the work of the two second hydraulic cylinders 305, further the plurality of negative pressure components 307 can carry out negative pressure formation operation on the liquid injection port of the power battery body 2, the device can adapt to the negative pressure formation operation of the power battery bodies 2 with different heights, meanwhile, the negative pressure formation efficiency of the power battery body 2 can be kept stable in the negative pressure formation operation, the negative pressure formation process can be kept, the negative pressure efficiency of the power battery can be stably carried out in the negative pressure formation process is kept, and the negative pressure formation technology cannot be stably carried out, and the negative pressure formation problem cannot be solved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The power battery negative pressure formation device comprises a power battery body (2), and is characterized by further comprising:
the fixing mechanism (1) is arranged at the bottom of the power battery body (2) and used for clamping and fixing the power battery body (2);
the negative pressure formation mechanism (3) is arranged at the top of the power battery body (2) and is used for carrying out pressing and negative pressure formation operation on the power battery body (2);
the fixing mechanism (1) comprises a placing plate (101), an adjusting screw rod (103) is arranged on the inner wall of the top of the placing plate (101), clamping plates (106) are arranged on the outer sides of two ends of the adjusting screw rod (103), and the two clamping plates (106) are respectively and movably connected with the outer walls of two ends of the power battery body (2);
negative pressure formation mechanism (3) are including clamp plate (301), the both ends top of clamp plate (301) all is provided with first pneumatic cylinder (303), top one side fixed mounting of clamp plate (301) has mounting panel (304), the both ends of top of mounting panel (304) all fixed mounting have second pneumatic cylinder (305), two the output fixed mounting of second pneumatic cylinder (305) has fly leaf (306), the inner wall fixed mounting of fly leaf (306) has a plurality of negative pressure subassembly (307).
2. The power cell negative pressure formation device according to claim 1, wherein: the fixing mechanism (1) comprises a mounting groove (102), the mounting groove (102) is formed in the inner wall of the top of the placement plate (101), and the inner wall of the mounting groove (102) is rotationally connected with the adjusting screw rod (103).
3. The power cell negative pressure formation device according to claim 2, wherein: the bottoms of the two clamping plates (106) are fixedly provided with sliding blocks (105), the inner walls of the two sliding blocks (105) are respectively in threaded connection with the outer walls of the two ends of the adjusting screw rod (103), and the outer walls of the two sliding blocks (105) are respectively and movably connected with the two ends of the inner wall of the mounting groove (102).
4. The power cell negative pressure formation device according to claim 1, wherein: the fixing mechanism (1) comprises a servo motor (104), the servo motor (104) is fixedly arranged on the outer wall of one end of the placing plate (101), and the servo motor (104) is connected with the adjusting screw rod (103) through an output shaft in a transmission mode.
5. The power cell negative pressure formation device according to claim 1, wherein: the fixing mechanism (1) comprises fixing frames (107), two fixing frames (107) are arranged, and the two fixing frames (107) are respectively and fixedly installed at two ends of the top of the placing plate (101).
6. The power cell negative pressure formation device according to claim 5, wherein: the two opposite inner wall tops of one end of the fixing frames (107) are respectively provided with a movable groove (108), two ends of the pressing plate (301) are respectively fixedly provided with a movable seat (302), and the outer walls of the two movable seats (302) are respectively and movably connected with the inner walls of the two movable grooves (108).
7. The power cell negative pressure formation device according to claim 6, wherein: the tops of the two fixing frames (107) are fixedly connected with the two first hydraulic cylinders (303) respectively, and the output ends of the two first hydraulic cylinders (303) are fixedly connected with the two movable seats (302) respectively.
8. The power cell negative pressure formation device according to claim 1, wherein: the negative pressure formation mechanism (3) comprises a through hole (308), the through hole (308) is formed in the middle of the pressing plate (301), and the inner wall of the through hole (308) is movably connected with the negative pressure component (307).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321534153.5U CN220138401U (en) | 2023-06-16 | 2023-06-16 | Negative pressure formation device for power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321534153.5U CN220138401U (en) | 2023-06-16 | 2023-06-16 | Negative pressure formation device for power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138401U true CN220138401U (en) | 2023-12-05 |
Family
ID=88953080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321534153.5U Active CN220138401U (en) | 2023-06-16 | 2023-06-16 | Negative pressure formation device for power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138401U (en) |
-
2023
- 2023-06-16 CN CN202321534153.5U patent/CN220138401U/en active Active
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