CN220731612U - Battery expansion-preventing clamping mechanism of battery formation cabinet - Google Patents
Battery expansion-preventing clamping mechanism of battery formation cabinet Download PDFInfo
- Publication number
- CN220731612U CN220731612U CN202321818854.1U CN202321818854U CN220731612U CN 220731612 U CN220731612 U CN 220731612U CN 202321818854 U CN202321818854 U CN 202321818854U CN 220731612 U CN220731612 U CN 220731612U
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- CN
- China
- Prior art keywords
- battery
- sliding
- clamping plate
- groove
- fixed
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000004308 accommodation Effects 0.000 description 4
- 238000007086 side reaction Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 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
- 238000002161 passivation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of battery high-temperature formation, in particular to a battery expansion-preventing clamping mechanism of a battery formation cabinet. According to the utility model, the battery is placed in the battery sleeve, the driver drives the sliding clamping plate to be close to the fixed clamping plate to form the clamping groove, so that the battery and the battery sleeve are clamped in the clamping groove, the external pressure of the battery is applied, and the battery is prevented from expanding and deforming due to the increase of the internal pressure of the battery before the gas is discharged.
Description
Technical Field
The utility model relates to the technical field of battery high-temperature formation, in particular to a battery expansion-preventing clamping mechanism of a battery formation cabinet.
Background
The production process of lithium batteries is very complex and comprises various procedures, the formation of which is a non-negligible ring, which is critical to the performance of lithium batteries. 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, lithium salt and electrolyte undergo side reaction, a passivation film layer (SEI film for short) with solid electrolyte property is generated on the negative electrode side of the lithium battery, and the SEI film can prevent the side reaction from further happening, so that the loss of active lithium in the lithium battery is reduced. The quality of the SEI film has great influence on the cycle life, initial capacity loss, rate capability and the like of the lithium battery.
In the high-temperature formation charge and discharge process, the battery cell is always in a high-temperature environment, and the high temperature can improve the electrochemical reaction rate and the SEI film forming rate. Gas is generated during the high temperature formation process, and gas generated during the high temperature formation process of the battery is generally discharged by using a gas discharge valve or a gas discharge device, but before the gas is discharged, the internal pressure of the battery increases to cause the battery to be inflated and deformed, so that improvement is necessary.
Disclosure of Invention
The utility model aims to provide a battery anti-expansion clamping mechanism of a battery formation cabinet, which aims at overcoming the defect that the battery is expanded and deformed due to the increase of the internal pressure of the battery before the gas is exhausted in the prior art, wherein the battery is placed in a battery sleeve, and a driver drives a sliding clamping plate to be close to a fixed clamping plate to form a clamping groove, so that the battery and the battery sleeve are clamped in the clamping groove, the external pressure of the battery is applied, and the battery is prevented from being expanded and deformed due to the increase of the internal pressure of the battery before the gas is exhausted.
In order to achieve the above purpose, the battery expansion-preventing clamping mechanism of the battery formation cabinet comprises an upper cavity and a lower cavity, wherein the upper cavity and the lower cavity are connected in a sealing way to form the battery formation cabinet, the lower cavity is provided with an exhaust valve, the lower cavity is internally provided with a clamping mechanism for clamping a battery, and the clamping mechanism comprises a fixed clamping plate, a battery sleeve, a sliding clamping plate and a driver;
the battery sleeve is used for accommodating and limiting a battery, the battery sleeve is arranged between the fixed clamping plate and the sliding clamping plate, the driver drives the sliding clamping plate to be close to the fixed clamping plate to form a clamping groove, and the battery sleeve is clamped in the clamping groove.
Preferably, a fixing rod is arranged in the lower cavity, a first fixing groove is formed in the fixing rod, and the fixing clamp plate is fixed to the first fixing groove.
Preferably, the sliding clamping plate is provided with a first chute corresponding to the fixing rod, the first chute and the fixing rod are coaxially arranged, and the sliding clamping plate slides along the fixing rod through the first chute.
Preferably, the driver comprises a transmission slide rod which is in sliding connection with the lower cavity, one end of the transmission slide rod is fixedly connected with the sliding clamping plate, and the other end of the transmission slide rod is in transmission connection with the driver.
Preferably, the transmission slide bar is provided with a second fixing groove, and the sliding clamping plate is fixed in the second fixing groove.
Preferably, the fixed clamping plate is provided with a second sliding groove, the second sliding groove and the transmission sliding rod are coaxially arranged, and the transmission sliding rod slides along the second sliding groove.
Preferably, the number of the transmission slide bars is two, the two transmission slide bars are arranged in a vertically staggered mode and are respectively connected to two sides of the sliding clamping plate, an inclined connecting rod is connected between the two transmission slide bars, and the inclined connecting rod is in transmission connection with the driver.
Preferably, the battery cover is provided with the accommodation groove that is used for holding the battery, the accommodation groove orientation one side of sliding splint is provided with the lateral part opening, the top of accommodation groove is provided with open-top, the inner wall of the open-top end of accommodation groove is provided with the slope and leads into the face.
Preferably, the opposite inner side surfaces of the fixed clamping plate and the sliding clamping plate are respectively provided with an inclined guide surface.
Preferably, the fixing clamping plate and the sliding clamping plate are both provided with heating plates on one side facing the battery sleeve.
The utility model has the beneficial effects that: according to the utility model, the battery is placed in the battery sleeve, the driver drives the sliding clamping plate to be close to the fixed clamping plate to form the clamping groove, so that the battery and the battery sleeve are clamped in the clamping groove, the external pressure of the battery is applied, and the battery is prevented from being inflated and deformed due to the increase of the internal pressure of the battery before the gas is discharged.
Drawings
Fig. 1 is a schematic view showing an exploded structure of the present utility model.
Fig. 2 is a schematic view of a part of the lower cavity of the present utility model.
Fig. 3 is a schematic view showing an exploded structure of the lower chamber of the present utility model.
Fig. 4 is a schematic structural view of the battery case of the present utility model.
The reference numerals include:
1. an upper cavity; 2. a lower cavity; 21. a fixed rod; 211. a first fixing groove; 3. a clamping mechanism; 4. a fixed clamping plate; 41. a second chute; 5. a battery case; 51. a receiving groove; 511. a first sidewall; 512. a second sidewall; 513. a third sidewall; 52. a side opening; 53. a top opening; 54. an inclined lead-in surface; 6. a sliding clamping plate; 61. a first chute; 7. a driver; 71. a transmission slide bar; 711. a second fixing groove; 72. a tilt link; 8. a sloped guide surface; 9. and heating the sheet.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the battery expansion-preventing clamping mechanism of the battery formation cabinet comprises an upper cavity 1 and a lower cavity 2, wherein the upper cavity 1 and the lower cavity 2 are connected in a sealing manner to form the battery formation cabinet, the lower cavity 2 is provided with an exhaust valve, and gas generated in the high-temperature formation process of a battery is discharged through the exhaust valve. The lower cavity 2 is internally provided with a clamping mechanism 3 for clamping a battery, the clamping mechanism 3 comprises a fixed clamping plate 4, a battery sleeve 5, a sliding clamping plate 6 and a driver 7, and the driver 7 is an air cylinder.
The battery sleeve 5 is used for accommodating and limiting the battery, so that the battery is fixed on the battery sleeve 5, and the battery is convenient to perform formation operation. The battery cover 5 is arranged between the fixed clamping plate 4 and the sliding clamping plate 6, the driver 7 drives the sliding clamping plate 6 to be close to the fixed clamping plate 4 to form a clamping groove, the battery cover 5 is clamped in the clamping groove, so that the battery is kept limited in the battery cover 5, the outside of the battery is pressurized, and the internal pressure of the battery is prevented from increasing before the gas is discharged, so that the battery is inflated and deformed.
When the device is used, a battery is placed in the battery sleeve 5, the driver 7 drives the sliding clamping plate 6 to be close to the fixed clamping plate 4 to form a clamping groove, so that the battery and the battery sleeve 5 are clamped in the clamping groove, the external pressure of the battery is applied, and the battery is prevented from expanding and deforming due to the increase of the internal pressure of the battery before the gas is discharged.
The lower cavity 2 of the present embodiment is provided with a fixing rod 21, and the fixing rod 21 is disposed along the length direction of the lower cavity 2 and is fixed on the inner wall of the lower cavity 2. The fixing rod 21 is provided with a first fixing groove 211, and the fixing clip 4 is fixed to the first fixing groove 211, so that the fixing clip 4 is fixed to the lower chamber 2.
In actual use, the number of the fixing rods 21 is two, and the fixing clamping plates 4 are respectively fixed in the first fixing grooves 211 of the two fixing rods 21, so that the fixing clamping plates 4 are fixed in the lower cavity 2 more firmly.
The sliding clamping plate 6 of the embodiment is provided with the first sliding groove 61 corresponding to the fixing rod 21, the first sliding groove 61 and the fixing rod 21 are coaxially arranged, the sliding clamping plate 6 slides along the fixing rod 21 through the first sliding groove 61, and the sliding clamping plate 6 is prevented from moving up and down when sliding, so that the sliding clamping plate 6 slides along the fixing rod 21 close to or far from the fixing clamping plate 4 more stably.
The driver 7 of this embodiment includes a transmission slide bar 71 slidably connected with the lower cavity 2, the driver 7 is fixed on one side of the outer wall of the lower cavity 2, one end of the transmission slide bar 71 is fixedly connected with the sliding clamping plate 6, and the other end of the transmission slide bar 71 is in transmission connection with the driver 7, so that the driver 7 is connected with the sliding clamping plate 6 through the transmission slide bar 71, and the driver 7 is convenient to drive the sliding clamping plate 6 to be close to the fixed clamping plate 4.
In actual use, the sealing guide sleeve is arranged at the joint of the transmission slide rod 71 and the lower cavity 2, and the transmission slide rod 71 is in sliding connection with the lower cavity 2 through the sealing guide sleeve, so that the sealing performance of the sliding connection between the lower cavity 2 and the transmission slide rod 71 is better.
The transmission slide bar 71 of the present embodiment is provided with a second fixing groove 711, and the slide clamp 6 is fixed to the second fixing groove 711 by a bolt, so that the transmission slide bar 71 is connected to the slide clamp 6.
The fixed clamping plate 4 of the embodiment is provided with the second sliding groove 41, the second sliding groove 41 and the transmission sliding rod 71 are coaxially arranged, the transmission sliding rod 71 slides along the second sliding groove 41, and the vertical displacement of the transmission sliding rod 71 during sliding is prevented, so that the driver 7 drives the sliding clamping plate 6 to be close to the fixed clamping plate 4 more stably.
The number of the transmission slide bars 71 in this embodiment is two, and the two transmission slide bars 71 are arranged in a vertically staggered manner and are respectively connected to two sides of the sliding clamping plate 6, so that when the driver 7 drives the sliding clamping plate 6 to slide, the upper end and the lower end of the sliding clamping plate 6 are simultaneously pushed, so that the stress of the sliding clamping plate 6 is uniform, and the sliding clamping plate 6 slides stably.
An inclined connecting rod 72 is connected between the two transmission slide rods 71, and the inclined connecting rod 72 is in transmission connection with the driver 7, so that the two transmission slide rods 71 are in transmission connection with the driver 7 through the inclined connecting rod 72. The battery case 5 of the present embodiment is provided with a receiving groove 51 for receiving a battery, and a side opening 52 is provided on a side of the receiving groove 51 facing the sliding clamping plate 6, so that the cross section of the receiving groove 51 is in a U shape, the sliding clamping plate 6 is abutted against the side of the battery through the side opening 52, and the battery is abutted against the receiving groove 51, thereby holding the battery in the battery case 5.
The top of the accommodating groove 51 is provided with a top opening 53, and the inner wall of the top opening 53 end of the accommodating groove 51 is provided with an inclined leading-in surface 54, so that the battery can be conveniently placed in the accommodating groove 51 from the top opening 53 through the inclined leading-in surface 54.
In practical use, the accommodating groove 51 includes a first side wall 511, a second side wall 512 and a third side wall 513, the height of the second side wall 512 is higher than the heights of the first side wall 511 and the third side wall 513, so that the second side wall 512 protrudes from the first side wall 511 and the third side wall 513, and when the driver 7 drives the sliding clamping plate 6 to be far away from the fixed clamping plate 4, the battery sleeve 5 can be conveniently lifted up and separated from the clamping groove through the second side wall 512 when the battery sleeve 5 is released.
The opposite inner sides of the fixed clamping plate 4 and the sliding clamping plate 6 of the embodiment are respectively provided with an inclined guide surface 8, so that the open end of the clamping groove is in a horn shape, and the battery sleeve 5 is conveniently placed in the clamping groove.
The fixed splint 4 and the sliding splint 6 of this embodiment all are provided with the heating plate 9 towards one side of battery cover 5, and the heating plate 9 is the silica gel heating plate, makes the heating plate 9 have high temperature resistant, high heat conduction, insulating properties are good, intensity good characteristic, is convenient for carry out the high temperature formation operation to the battery.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. The utility model provides a battery formation cabinet's battery clamping mechanism that expands that prevents, includes cavity (1) and lower cavity (2), go up cavity (1) with cavity (2) sealing connection form battery formation cabinet down, cavity (2) are provided with discharge valve, its characterized in that down: a clamping mechanism (3) for clamping the battery is arranged in the lower cavity (2), and the clamping mechanism (3) comprises a fixed clamping plate (4), a battery sleeve (5), a sliding clamping plate (6) and a driver (7);
the battery sleeve (5) is used for accommodating and limiting a battery, the battery sleeve (5) is arranged between the fixed clamping plate (4) and the sliding clamping plate (6), the driver (7) drives the sliding clamping plate (6) to be close to the fixed clamping plate (4) to form a clamping groove, and the battery sleeve (5) is clamped in the clamping groove.
2. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 1, wherein: a fixing rod (21) is arranged in the lower cavity (2), a first fixing groove (211) is formed in the fixing rod (21), and the fixing clamp plate (4) is fixed to the first fixing groove (211).
3. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 2, wherein: the sliding clamping plate (6) is provided with a first sliding groove (61) corresponding to the fixed rod (21), the first sliding groove (61) and the fixed rod (21) are coaxially arranged, and the sliding clamping plate (6) slides along the fixed rod (21) through the first sliding groove (61).
4. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 1, wherein: the driver (7) comprises a transmission slide bar (71) which is in sliding connection with the lower cavity (2), one end of the transmission slide bar (71) is fixedly connected with the sliding clamping plate (6), and the other end of the transmission slide bar (71) is in transmission connection with the driver (7).
5. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 4, wherein: the transmission slide bar (71) is provided with a second fixing groove (711), and the sliding clamping plate (6) is fixed in the second fixing groove (711).
6. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 5, wherein: the fixed clamping plate (4) is provided with a second sliding groove (41), the second sliding groove (41) and the transmission sliding rod (71) are coaxially arranged, and the transmission sliding rod (71) slides along the second sliding groove (41).
7. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 4, wherein: the two transmission slide bars (71) are arranged in a staggered mode up and down and are respectively connected to two sides of the sliding clamping plate (6), an inclined connecting rod (72) is connected between the two transmission slide bars (71), and the inclined connecting rod (72) is in transmission connection with the driver (7).
8. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 1, wherein: the battery cover (5) is provided with a containing groove (51) for containing a battery, one side of the containing groove (51) facing the sliding clamping plate (6) is provided with a side opening (52), the top of the containing groove (51) is provided with a top opening (53), and the inner wall of the top opening (53) end of the containing groove (51) is provided with an inclined leading-in surface (54).
9. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 1, wherein: the opposite inner sides of the fixed clamping plate (4) and the sliding clamping plate (6) are respectively provided with an inclined guide surface (8).
10. The battery expansion prevention clamping mechanism of a battery formation cabinet according to claim 1, wherein: the fixed clamping plate (4) and the sliding clamping plate (6) are provided with heating plates (9) on one side facing the battery sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818854.1U CN220731612U (en) | 2023-07-11 | 2023-07-11 | Battery expansion-preventing clamping mechanism of battery formation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321818854.1U CN220731612U (en) | 2023-07-11 | 2023-07-11 | Battery expansion-preventing clamping mechanism of battery formation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731612U true CN220731612U (en) | 2024-04-05 |
Family
ID=90491217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321818854.1U Active CN220731612U (en) | 2023-07-11 | 2023-07-11 | Battery expansion-preventing clamping mechanism of battery formation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731612U (en) |
-
2023
- 2023-07-11 CN CN202321818854.1U patent/CN220731612U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |