CN221280546U - General airtight detection device of box under lithium cell upper cover - Google Patents
General airtight detection device of box under lithium cell upper cover Download PDFInfo
- Publication number
- CN221280546U CN221280546U CN202322801019.3U CN202322801019U CN221280546U CN 221280546 U CN221280546 U CN 221280546U CN 202322801019 U CN202322801019 U CN 202322801019U CN 221280546 U CN221280546 U CN 221280546U
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- cylinder
- upper cover
- block
- guide rod
- exhaust port
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 50
- 238000003825 pressing Methods 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the technical field of manufacturing of battery modules and discloses a universal airtight detection device for an upper cover and a lower box of a lithium battery. The manual valve is arranged on the exhaust port plugging mechanism and used for controlling the driving of the air cylinder, and the clamp can be used for simply, practically and quickly testing the air tightness of the upper cover of the lithium battery and the air tightness of the lower box.
Description
Technical Field
The utility model relates to the technical field of manufacturing of battery modules, in particular to a general airtight detection device for an upper cover and a lower box of a lithium battery.
Background
In recent years, the new energy automobile industry in China rapidly develops, and the use of new energy automobiles is becoming popular. The lithium battery module is used as one of the core components of the new energy automobile, the requirement of the production process is very high, and particularly the quality and the safety of the battery module manufacturing are required to be ensured.
Because in the lithium cell use, the airtight requirement to the battery package is very high, needs to satisfy IP67 waterproof grade, consequently not only can the whole battery package be required to carry out airtight detection, can also carry out airtight detection in the upper cover of battery package, lower box feed time to guarantee the quality of making the battery package. In the prior art, the upper cover and the lower box body are assembled together to perform airtight detection, separate detection cannot be performed, and some module upper covers and the lower box body are welded together, so that if airtight detection of the upper cover and the lower box body is performed, only spot inspection can be performed, and a product can be damaged after detection is completed and cannot be reused. This causes great waste and cannot guarantee the detection quality.
Disclosure of utility model
The utility model aims to provide a general airtight detection device for an upper cover and a lower box of a lithium battery, which can be used for simply, practically and quickly testing the airtight of the upper cover of the lithium battery and can be used for testing the airtight of the lower box.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a general airtight detection device of box under lithium cell upper cover, includes the bottom plate, install the upper cover sealing block on the bottom plate, install sealed the pad above the upper cover sealing block, still be provided with the upper cover stopper on the upper cover sealing block, still be provided with gas vent shutoff mechanism and shutoff hold-down mechanism on the bottom plate, gas vent shutoff mechanism top design has cylinder extrusion mechanism, be provided with manual valve on the gas vent shutoff mechanism.
The utility model is further provided with: the upper cover sealing blocks are fixed on the bottom plate through screws, sealing gaskets are arranged on the upper cover sealing blocks through screws, upper cover positioning blocks are arranged on the side surfaces of the upper cover sealing blocks, and four upper cover positioning blocks form a cavity.
The utility model is further provided with: the exhaust port plugging mechanism comprises a frame arranged on a bottom plate, a quick clamp guide rod and a guide rod installation block which are arranged on the frame, wherein one end of the quick clamp is installed on the frame, the other end of the quick clamp is connected with the guide rod installation block, the two end of the quick clamp guide rod is in sliding fit with one end of the frame, and the other end of the quick clamp guide rod is connected with the guide rod installation block through a screw.
The utility model is further provided with: the exhaust port plugging mechanism further comprises a plug fixing plate, an exhaust port plug, a communication port plug and an air pipe quick connector, wherein the plug fixing plate is arranged on one side of the guide rod installation block, the exhaust port plug and the communication port plug are arranged on the plug fixing plate, and when the quick clamp is manually pulled, the quick clamp slides to drive the exhaust port plug and the communication port plug to move back and forth.
The utility model is further provided with: the quick connector for the air pipe is arranged on the vent plug, a small hole is reserved at the front end of the vent plug, and the small hole is connected with the quick connector.
The utility model is further provided with: the cylinder extrusion mechanism is arranged above the exhaust port plugging mechanism and the plugging compacting mechanism and comprises a cylinder mounting plate, a cylinder guide rod, a pressing block fixing plate and a cylinder adapter; the cylinder is installed on the cylinder mounting plate, linear bearings are further installed on two sides of the cylinder mounting plate, one end of the cylinder guide rod is slidably matched with the linear bearings, and the other end of the cylinder guide rod is connected with the pressing block fixing plate.
The utility model is further provided with: the cylinder adapter is cylindrical, one end of the cylinder adapter is provided with threads, the other end of the cylinder adapter is provided with a cylindrical step, one end provided with the threads is connected with a telescopic rod of the cylinder, and one end provided with the cylindrical step is pressed on the pressing block fixing plate through the adapter pressing plate.
The utility model is further provided with: the cylinder extrusion mechanism further comprises a profiling pressing bar, the profiling pressing bar is fixed on the pressing block, the pressing block is fixed on the pressing block fixing plate, and when the cylinder performs telescopic movement, the profiling pressing bar also performs telescopic movement together with the cylinder.
The beneficial effects of the utility model are as follows: the utility model adopts the control of the air cylinder and the manual valve, does not need to be electrified, can work only by connecting an air pipe, and is very simple to use. The utility model has simple structure, low manufacturing cost and simple operation, inserts the air pipe and the airtight detection pipe when in use, places the upper cover on the upper cover sealing block, then starts the manual valve, operates the cylinder to press down, presses the upper cover onto the silica gel pad, then operates the quick clamps on two sides to press the blocking block onto the air outlet and the communication port of the upper cover, and then can operate the airtight detection equipment to detect the air tightness. When the air tightness of the lower box body is tested again, the air tightness test of the lower box body can be carried out by the same operation method through replacing the sealing block of the lower box body at the bottom.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a test top cover according to the present utility model;
FIG. 2 is a schematic diagram of a lower detection case according to the present utility model;
FIG. 3 is a schematic view of the structure of the base plate of the present utility model;
FIG. 4 is a schematic view of an exhaust port plugging mechanism according to the present utility model;
FIG. 5 is a schematic diagram of a plugging hold down mechanism of the present utility model;
FIG. 6 is a schematic view of a cylinder compression mechanism of the present utility model;
FIG. 7 is a schematic view of the cap seal block of the present utility model;
fig. 8 is a schematic view of the lower case sealing block of the present utility model.
In the figure, 1, a bottom plate; 2. an upper cover sealing block; 3. an exhaust port blocking mechanism; 4. a plugging and compacting mechanism; 5. a cylinder extrusion mechanism; 6. a manual valve; 7. a battery upper cover; 8. a lower box sealing block; 9. a lower box body; 101. a seal block mounting hole; 102. plugging a mechanism mounting hole; 103. a quick clamping and avoiding groove; 201. a gasket mounting block; 202. a sealing gasket; 203. an upper cover positioning block; 301. a fixed plate at the bottom of the plugging mechanism; 302. a fixing plate is clamped quickly; 303. reinforcing ribs; 304. a quick clamp; 305. quick clamping guide rod; 306. a guide rod mounting block; 307. a plug fixing block; 308. an exhaust port plug; 309. a communication port plug; 310. a quick joint of the air pipe; 401. a fixed plate at the bottom of the plugging mechanism; 402. a fixing plate is clamped quickly; 403. reinforcing ribs; 404. a quick clamp; 405. quick clamping guide rod; 406. a guide rod fixing plate; 407. a compaction block; 501. a cylinder mounting plate; 502. a cylinder; 503. a cylinder guide rod; 504. pressing a block fixing plate; 505. briquetting; 505. profiling layering; 507. a linear bearing; 508. cylinder adapter, 509, adapter platen; 801. a lower box sealing gasket fixing plate; 802. a lower box sealing gasket; 803. and a lower box positioning block.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the embodiment, in fig. 1 and 2, a general airtight detection device for an upper cover and a lower box of a lithium battery comprises a bottom plate 1, an upper cover sealing block 2, an exhaust port plugging mechanism 3, a plugging compacting mechanism 4, a cylinder extruding mechanism 5, a manual valve 6 and a lower box sealing block 8. The upper cover sealing block 2, the exhaust port plugging mechanism 3 and the plugging compressing mechanism 4 are arranged on the bottom plate 1 by screws, the cylinder extruding mechanism 5 is arranged on the exhaust port plugging mechanism 3 and the plugging compressing mechanism 4 by screws, the manual valve 6 is arranged on the exhaust port plugging mechanism 3, and when the airtight detection of the lower box body is to be carried out, the upper cover sealing block 2 can be detached, and the lower box body sealing block 8 is arranged on the bottom plate 1.
In fig. 3, a sealing block mounting hole 101, a plugging mechanism mounting hole 102 and a quick clamping avoidance groove 103 are machined in the bottom plate 1, the sealing block mounting hole 101 is used for mounting an upper cover sealing block 2 or a lower box sealing block 8, the plugging mechanism mounting hole 102 is located at two sides of the bottom plate 1 and used for mounting an exhaust port plugging mechanism 3 and a plugging pressing mechanism 4, and the two ends of the bottom plate 1 are machined with the avoidance groove 103 and used for avoiding a hand shank during operation.
In fig. 4, the vent blocking mechanism 3 includes a bottom fixing plate 301, a quick clamp fixing plate 302, a reinforcing rib 303, a quick clamp 304, a quick clamp guide 305, a guide mounting block 306, a plug fixing plate 307, a vent plug 308, and a communication port plug 309. The bottom fixing plate 301, the quick clamp fixing plate 302 and the guide rods 303 are connected into a frame by using screws, waist-shaped holes are formed in the bottom fixing plate 301 and are used for being installed on the bottom plate 1, the quick clamp 304 is installed on the quick clamp fixing plate 302, the other ends of the quick clamps are connected with the guide rod installation blocks 306, one ends of the two quick clamp guide rods 305 are slidably matched with the quick clamp fixing plate 302, the other ends of the two quick clamp guide rods are connected with the guide rod installation blocks 306 by using screws, the exhaust port plugs 308 and the communication port plugs 309 are installed on the plug fixing plate 307, and the plug fixing plate 307 is installed on one side of the guide rod installation blocks 306, so that when the quick clamp 304 is manually pulled, the quick clamp sliding parts can drive the exhaust port plugs 308 and the communication port plugs 309 to move back and forth. And the exhaust port plug 308 and the communication port plug 309 are both provided with silica gel pads for sealing the upper cover. The air pipe quick connector 310 is arranged on the air outlet plug 308, a small hole is reserved at the front end of the air outlet plug 308, the small hole is connected with the quick connector 310, and the air pipe can be utilized to inflate the inside of the upper cover to check the air leakage condition.
In fig. 5, the structure of the plugging and compressing mechanism 4 is similar to that of the exhaust port plugging mechanism 3, except that a compressing block 407 is arranged on a guide rod fixing block 406, and the compressing block 407 is made of a POM material, so that the upper cover is not scratched during compressing.
In fig. 6, a cylinder 502 is mounted on a cylinder fixing plate 501, linear bearings 507 are also mounted on both sides of the cylinder mounting plate 501, one end of a cylinder guide rod 503 is slidingly matched with the linear bearings 507, and the other end is connected with a pressing block fixing plate 504,
The cylinder adapter 508 is cylindrical, one end of the cylinder adapter 508 is provided with threads, the other end of the cylinder adapter is provided with a cylindrical step, one threaded end of the cylinder adapter is connected with a telescopic rod of the cylinder 502, one end of the cylindrical step is pressed on the pressing block fixing plate 504 by the adapter pressing plate 509, sliding fit in the other direction is arranged between the cylinder adapter 508 and the adapter pressing plate 509, and the cylinder adapter is used for preventing the cylinder from being blocked in the telescopic process of driving the pressing block fixing plate 504. The profiling pressing bar 506 is fixed on the pressing block 505, the pressing block 505 is fixed on the pressing block fixing plate 504, and when the cylinder performs telescopic movement, the profiling pressing bar 506 also performs telescopic movement together. The shape of the profiling pressing strip 506 refers to the shape design of the upper cover, and can be flat when pressed on the upper cover.
In fig. 7, the gasket 202 is made of 30-degree silica gel, and is mounted on the gasket mounting block 201, and the upper cover positioning blocks 203 are also mounted on the gasket mounting block 201 and distributed on both sides of the mounting block 201 for positioning during upper cover testing.
In fig. 8, the lower box gasket 802 is made of 30-degree silica gel, a rectangular groove is machined in the center and is installed on the lower box gasket fixing plate 801, a rectangular groove is also machined in the center of the gasket fixing plate 801, a threaded hole is machined in the side face of the gasket fixing plate, an air pipe quick connector is installed on the threaded hole, the hole on the air pipe connector penetrates through the middle rectangular groove, and when an air pipe is inserted, the lower box can be inflated and airtight conditions can be detected. The lower box locating block 803 is mounted on one side of the lower box sealing gasket fixing block 801 and is used for detecting the fixation of the lower box in the lower box positioning.
In fig. 1 and 2, the manual valve is mounted on the quick clamp mounting plate 302, the quick connector is mounted on the manual valve, and then the manual valve is connected with the air cylinder through an air pipe, so that the control of the air cylinder is realized. The upper cover sealing block 2 arranged on the bottom plate 1 can be detached, and when the lower box body is required to be tested to be airtight, the upper cover sealing block 2 can be detached, and the upper box body sealing block 8 and the lower box body sealing block 8 are arranged, so that the airtight test of the lower box body is realized.
The specific working principle is as follows: firstly, the tool is placed on a workbench, a manual valve 6 is connected with an external air source, an air vent plug 308 is connected with airtight testing equipment, then quick clamps make a comeback on two sides are in situ, an upper cover is positioned by means of an upper cover positioning block 203, then the manual valve 6 is started to enable an air cylinder 502 to be pressed down, a profiling pressing block 506 is just pressed on two sides of the upper cover, then the quick clamps on two sides are pulled to enable an air vent plugging mechanism 3 and a plugging pressing mechanism 4 to be respectively pressed on the other two sides of the upper cover, at the moment, airtight testing can be started, after the testing is completed, the quick clamps are pulled back to the original position, the manual valve is operated to lift the air cylinder, and then the upper cover can be taken out and put into another upper cover for testing. When the lower box body is to be tested for airtightness, the upper cover sealing block 2 is removed, the upper box body sealing block 8 is arranged, the airtightness detection equipment is connected with an air pipe interface on the lower box body sealing block 8, and the manual valve is directly controlled to enable the air cylinder to be pressed on the lower box body, so that the airtightness of the lower box body can be tested.
The above examples merely represent a few embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the present utility model, which are all within the scope of the present utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (3)
1. General airtight detection device of box under lithium cell upper cover, its characterized in that: the automatic sealing device comprises a bottom plate (1), an upper cover sealing block (2), an exhaust port sealing mechanism (3), a sealing compressing mechanism (4), a cylinder extruding mechanism (5), a manual valve (6) and a lower box sealing block (8), wherein the upper cover sealing block (2) is arranged on the bottom plate (1), a sealing gasket (202) is arranged on the upper cover sealing block (2), an upper cover limiting block is further arranged on the upper cover sealing block (2), the exhaust port sealing mechanism (3) and the sealing compressing mechanism (4) are further arranged on the bottom plate (1), the cylinder extruding mechanism (5) is arranged above the exhaust port sealing mechanism (3), and the manual valve (6) is arranged on the exhaust port sealing mechanism (3); the exhaust port plugging mechanism (3) comprises a frame arranged on the bottom plate (1), a quick clamp (304), a quick clamp guide rod (305) and a guide rod mounting block (306) which are arranged on the frame, wherein one end of the quick clamp (304) is mounted on the frame, the other end of the quick clamp is connected with the guide rod mounting block (306), one end of each quick clamp guide rod (305) is in sliding fit with the frame, and the other end of each quick clamp guide rod is connected with the guide rod mounting block (306) through a screw; the exhaust port plugging mechanism (3) further comprises a plug fixing plate (307), an exhaust port plug (308), a communication port plug (309) and an air pipe quick connector (310), wherein the plug fixing plate (307) is arranged on one side of the guide rod installation block (306), the exhaust port plug (308) and the communication port plug (309) are arranged on the plug fixing plate (307), and when the quick clamp (304) is manually pulled, the quick clamp slides to drive the exhaust port plug (308) and the communication port plug (309) to move back and forth; the air pipe quick connector (310) is arranged on the air outlet plug (308), a small hole is reserved at the front end of the air outlet plug (308), and the small hole is connected with the quick connector (310); the cylinder extrusion mechanism (5) is arranged above the exhaust port plugging mechanism (3) and the plugging compacting mechanism (4), and the cylinder extrusion mechanism (5) comprises a cylinder mounting plate (501), a cylinder (502), a cylinder guide rod (503), a pressing block fixing plate (504) and a cylinder adapter (508); the cylinder (502) is arranged on the cylinder mounting plate (501), linear bearings (507) are further arranged on two sides of the cylinder mounting plate (501), one end of the cylinder guide rod (503) is in sliding fit with the linear bearings (507), and the other end of the cylinder guide rod is connected with the pressing block fixing plate (504); the cylinder extrusion mechanism (5) further comprises a profiling pressing bar (506), the profiling pressing bar (506) is fixed on the pressing block (505), the pressing block (505) is fixed on the pressing block fixing plate (504), and when the cylinder stretches and contracts, the profiling pressing bar (506) stretches and contracts together with the cylinder.
2. The universal airtight detection device for upper and lower cases of lithium batteries according to claim 1, wherein: the upper cover sealing block (2) is fixed on the bottom plate (1) through screws, a sealing gasket (202) is arranged on the upper cover sealing block (2) through screws, an upper cover positioning block (203) is arranged on the side face of the upper cover sealing block (2), and four upper cover positioning blocks (203) form a cavity.
3. The universal airtight detection device for upper and lower cases of lithium batteries according to claim 1, wherein: the cylinder adapter (508) is cylindrical, one end of the cylinder adapter is provided with threads, the other end of the cylinder adapter is provided with a cylindrical step, one end provided with the threads is connected with a telescopic rod of the cylinder (502), and one end provided with the cylindrical step is pressed on the pressing block fixing plate (504) through the adapter pressing plate (509).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322801019.3U CN221280546U (en) | 2023-10-19 | 2023-10-19 | General airtight detection device of box under lithium cell upper cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322801019.3U CN221280546U (en) | 2023-10-19 | 2023-10-19 | General airtight detection device of box under lithium cell upper cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221280546U true CN221280546U (en) | 2024-07-05 |
Family
ID=91702684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322801019.3U Active CN221280546U (en) | 2023-10-19 | 2023-10-19 | General airtight detection device of box under lithium cell upper cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221280546U (en) |
-
2023
- 2023-10-19 CN CN202322801019.3U patent/CN221280546U/en active Active
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