CN214043943U - Semi-automatic sealing device for square metal shell lithium battery - Google Patents
Semi-automatic sealing device for square metal shell lithium battery Download PDFInfo
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- CN214043943U CN214043943U CN202120337583.2U CN202120337583U CN214043943U CN 214043943 U CN214043943 U CN 214043943U CN 202120337583 U CN202120337583 U CN 202120337583U CN 214043943 U CN214043943 U CN 214043943U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a semi-automatic sealing device for a square metal shell lithium battery, which comprises a main body bracket, wherein a placing position for placing the battery is arranged on the main body bracket, a compressing component for compressing the battery on the placing position is arranged at one side of the placing position on the main body bracket, a vacuum pumping component for vacuumizing the battery is arranged above a liquid filling hole of the battery, and a steel ball pressing component for installing the steel ball in the liquid filling hole is arranged above the placing position on the main body bracket. The shell of the battery is not corroded, and the shell of the battery is not required to be wiped and cleaned, so that the production efficiency can be improved.
Description
Technical Field
The utility model belongs to the technical field of the new forms of energy battery, specific theory relates to a semi-automatic closing device is used to square metal casing lithium cell.
Background
In recent years, with the increasing scarcity of petroleum resources, new energy industries are increasingly seen, and the new energy industries become national key research projects.
The lithium ion battery is prepared from raw materials to finished products by the following main steps: stirring, coating, flaking, coring, welding, baking, injecting liquid, laying aside, forming, aging, grading and the like, wherein the sealing process is an extremely important process in the lithium ion battery manufacturing process.
Lithium cell seals must guarantee that the gas of output when forming the process is inhaled completely to the battery extrusion targets in place, the flow of sealing among the prior art at present is: charging, discharging, vacuumizing, extruding, arranging steel balls, sealing and cleaning.
When the battery is vacuumized, the battery is placed in a vacuum box in a common vacuumizing mode at present, the battery is vacuumized for 30min, gas in the battery is pumped out, the operation is inconvenient, the operation time is long, the production efficiency is influenced, electrolyte pumped out from the battery easily corrodes the inside of the box body, the surface of the battery is fully stained with the electrolyte, the shell of the battery is corroded, the shell of the battery needs to be wiped, the working procedures are complicated, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a be used for sealing square metal shell lithium ion battery to overall structure is simple, the processing ease, can be applicable to the battery of multiple model, strong adaptability's square metal shell semi-automatic closing device for lithium cell.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a semi-automatic closing device is used to square metal-clad lithium cell, includes the main part support, be provided with the position of placing that is used for placing the battery on the main part support, the main part support is last to be located one side installation of placing the position and has to compress tightly the battery the subassembly that compresses tightly on placing the position, the notes liquid hole top of battery is provided with the vacuum suction subassembly that is used for carrying out the evacuation in the battery, lie in the top of placing the position on the main part support and install and be used for installing the steel ball at annotating the downthehole steel ball of liquid and pound the pressure subassembly.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
one side of the placing position opposite to the pressing assembly is provided with a baffle used for positioning the battery on the placing position, and the baffle is fixedly installed on the main body support.
Further optimization: the compressing assembly comprises a pressing plate which is arranged at the placing position and is arranged in parallel with the baffle, an extruding cylinder is installed on the main body support, and a telescopic rod of the extruding cylinder penetrates through the main body support and is fixedly connected with the pressing plate.
Further optimization: the vacuum suction assembly comprises a liquid suction nozzle, a vacuum tube is connected to the liquid suction nozzle, negative pressure suction is formed in the liquid suction nozzle through vacuum in the vacuum tube, and the liquid suction nozzle is communicated with a liquid injection hole of the battery and used for sucking gas generated inside the battery.
Further optimization: the other end of the vacuum tube is communicated with a temporary storage tank, a sealing plug is arranged at the joint of the vacuum tube and the temporary storage tank, and the vacuum tube penetrates through the sealing plug and is communicated with the inner cavity of the temporary storage tank.
Further optimization: and a vacuum suction pipe and a nitrogen pipe are respectively arranged on the sealing plug, one end of the vacuum suction pipe and one end of the nitrogen pipe are respectively communicated with the inner cavity of the temporary storage tank, the other end of the vacuum suction pipe is communicated with an external vacuum pump, and the other end of the nitrogen pipe is communicated with an external nitrogen source.
Further optimization: the diameter of a liquid suction hole of the liquid suction nozzle is 2-3 mm, and a sealing plastic pad is fixedly connected to the position, close to the liquid suction hole, of the liquid suction nozzle.
Further optimization: one side of the baffle is fixedly provided with a supporting plate, and the supporting plate is provided with a liquid suction nozzle movable joint for driving the liquid suction nozzle to be close to or far away from the battery liquid injection hole.
Further optimization: the liquid suction nozzle movable joint comprises an air cylinder spring arranged on a supporting plate, the telescopic end of the air cylinder spring is rotatably connected with a connecting plate, and one end, far away from the air cylinder spring, of the connecting plate is fixedly connected with the liquid suction nozzle.
Further optimization: the steel ball smashing and pressing assembly comprises a hole sealing cylinder fixedly mounted on the main body support, the telescopic end of the hole sealing cylinder penetrates through the main body support and is integrally connected with a hole sealing cylinder, and the hole sealing cylinder and a liquid injection hole of the battery are coaxially arranged.
The above technical scheme is adopted in the utility model, think about ingeniously, rational in infrastructure, overall structure is nimble changeable, it is applicable in the battery of multiple different models, improve application scope, high durability and convenient use, can take out the gas that the battery is inside to be produced, accomplish the operation of sealing to the battery, and need not put into the battery and carry out the evacuation in the vacuum chamber, high durability and convenient operation, optimize the operating procedure, can improve production efficiency, and no electrolyte leaks, and then can not lead to the fact the corruption to the inside of box, the battery surface does not have the electrolyte that spills over, can not lead to the fact the corruption to the casing of battery, need not to clean and wash the casing of battery, and then can improve production efficiency.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic view of another general structure of an embodiment of the present invention;
fig. 3 is a schematic structural view of a main body bracket according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a movable joint of a liquid suction nozzle in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a sealing plastic pad according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a temporary storage tank according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the sealing plug in the embodiment of the present invention.
In the figure: 1-a main body support; 2-sealing the air cylinder; 3-extruding a cylinder; 4-hole sealing cylinder; 5-a liquid suction nozzle; 6-pressing a plate; 7-a baffle plate; 8-a supporting plate; 9-compressed air pipe; 10-vacuum tube; 11-a battery; 12-placing a bit; 13-temporary storage tank; 14-a sealing plug; 15-vacuum suction tube; a 16-nitrogen gas pipe; 17-sealing the plastic pad; 18-cylinder spring; 19-connecting plate.
Detailed Description
Example (b): referring to fig. 1-7, a semi-automatic sealing device for a square metal shell lithium battery comprises a main body support 1, wherein a placing position 12 for placing a battery 11 is arranged on the main body support 1, a pressing component for pressing the battery 11 on the placing position 12 is arranged on one side of the placing position 12 on the main body support 1, a vacuum suction component for vacuumizing the interior of the battery 11 is arranged above a liquid injection hole of the battery 11, and a steel ball pressing component for mounting steel balls in the liquid injection hole is arranged above the placing position 12 on the main body support 1.
The main body support 1 is integrally made of stainless steel materials.
Design like this, the main part support 1 that adopts stainless steel material to make, make the overall structure of main part support 1 stable, overall structure intensity is big to light in weight facilitates the use.
One side of the placing position 12 opposite to the pressing component is provided with a baffle 7, and the baffle 7 is fixedly arranged on the main body support 1.
The baffle 7 is used for positioning the battery 11 placed on the placing position 12, and the pressing assembly outputs pressing force to push the battery 11 to abut against the baffle 7, so that the battery 11 is pressed on the placing position 12.
The pressing assembly comprises a pressing plate 6 which is arranged at the placing position 12 and is arranged in parallel with the baffle 7, and the pressing plate 6 and the baffle 7 are arranged at intervals.
Install extrusion cylinder 3 on the main part support 1, extrusion cylinder 3's telescopic link runs through main part support 1 and with clamp plate 6 fixed connection, extrusion cylinder 3 output power is used for driving clamp plate 6 and is close to or keeps away from baffle 7.
Design like this, accessible extrusion cylinder 3 output power makes its telescopic link drive clamp plate 6 be close to or keep away from baffle 7, when clamp plate 6 is close to baffle 7, can drive battery 11 and near on baffle 7, realizes compressing tightly battery 11 on placing position 12, and then realizes fixing a position battery 11 on placing position 12.
The extrusion cylinder 3 outputs power for driving the pressing plate 6 to be close to or far away from the baffle 7, and then the spacing distance between the pressing plate 6 and the baffle 7 can be adjusted, so that batteries with various thicknesses can be clamped between the pressing plate 6 and the baffle 7, the use is convenient, and the use range is enlarged.
Four threaded round holes are formed in the outer side wall of the main body support 1 and used for fixedly mounting the extrusion cylinder 3, a square or circular preformed hole is formed in the middle of each threaded round hole, and the telescopic rod of the extrusion cylinder 3 penetrates through the preformed hole and is fixedly connected with the pressing plate 6.
The extrusion cylinder 3 is driven by high-pressure gas to work, a compressed air pipe 9 is connected to an air inlet of the extrusion cylinder 3, and the compressed air pipe 9 is communicated with an external high-pressure air source.
The high-pressure gas output by the external high-pressure gas source can be conveyed into the extrusion cylinder 3 through the compressed air pipe 9 so as to drive the extrusion cylinder 3 to work.
The vacuum suction assembly comprises a liquid suction nozzle 5 arranged above the placement position 12, a vacuum tube 10 is connected to the liquid suction nozzle 5, vacuum in the vacuum tube 10 enables negative pressure suction to be formed in the liquid suction nozzle 5, and the liquid suction nozzle 5 is communicated with a liquid injection hole of the battery 11 and used for sucking gas generated in the battery 11.
The other end of the vacuum pipe 10 is communicated with a temporary storage tank 13, a sealing plug 14 is arranged at the joint of the vacuum pipe 10 and the temporary storage tank 13, and the vacuum pipe 10 penetrates through the sealing plug 14 to be communicated with the inner cavity of the temporary storage tank 13.
A vacuum suction pipe 15 is arranged on one side of the vacuum pipe 10 on the sealing plug 14, one end of the vacuum suction pipe 15 is communicated with the inner cavity of the temporary storage tank 13, and the other end of the vacuum suction pipe 15 is communicated with an external vacuum pump.
Design like this, its peripheral vacuum pump work accessible vacuum suction pipe 15 carries out the evacuation in to the jar 13 of keeping in, its vacuum tube 10 and jar 13 intercommunication of keeping in, and then realize carrying out the evacuation to vacuum tube 10, can make through vacuum tube 10 this moment and form negative pressure suction in the suction nozzle 5, facilitate the use, can be used to the gas of the inside production of suction battery 11 through the notes liquid hole intercommunication of suction nozzle 5 and battery 11 this moment.
And vacuum tube 10 with keep in 13 intercommunications of jar, when its imbibition mouth 5 suction battery 11 inside gas, the electrolyte accessible vacuum tube 10 of suction is carried to the jar 13 of keeping in, can carry out the buffer memory to electrolyte through the jar 13 of keeping in, facilitates the use, when avoiding carrying out the evacuation to battery 11, the electrolyte sinuous flow that the suction came out.
And a nitrogen pipe 16 is arranged on one side of the vacuum pipe 10 on the sealing plug 14, one end of the nitrogen pipe 16 is communicated with the inner cavity of the temporary storage tank 13, and the other end of the nitrogen pipe 16 is communicated with an external nitrogen source.
By the design, after the battery 11 is vacuumized, the external nitrogen source can be turned on, and a proper amount of nitrogen is filled into the temporary storage tank 13 through the nitrogen pipe 16, so that the vacuum state in the temporary storage tank 13 is relieved.
The diameter of a liquid suction hole of the liquid suction nozzle 5 is 2-3 mm, a sealing plastic pad 17 is fixedly connected to the position, close to the liquid suction hole, of the liquid suction nozzle 5, and the sealing plastic pad 17 is used for sealing the connection position of the liquid suction nozzle 5 and a liquid injection hole of the battery 11.
And a supporting plate 8 is fixedly arranged on one side of the baffle 7, and a liquid suction nozzle movable joint for driving the liquid suction nozzle 5 to be close to or far away from the liquid injection hole of the battery 11 is arranged on the supporting plate 8.
The movable joint of the liquid suction nozzle comprises an air cylinder spring 18 arranged on the supporting plate 8, a connecting plate 19 is rotatably connected to the telescopic end of the air cylinder spring 18, and one end, far away from the air cylinder spring 18, of the connecting plate 19 is fixedly connected with the liquid suction nozzle 5.
When the cylinder spring 18 works, the telescopic end of the cylinder spring can drive the connecting plate 19 to move up and down, and the connecting plate 19 moves up and down to drive the liquid suction nozzle 5 to be close to or far away from the liquid injection hole of the battery 11.
The cylinder spring 18 is a single acting cylinder spring 18, and the cylinder spring 18 is prior art and is available directly from the market.
The working principle of the cylinder spring 18 is as follows: the cylinder spring 18 is driven by high-pressure gas to work, after the high-pressure gas is conveyed into the cylinder spring 18, the cylinder spring 18 works to enable the telescopic end of the cylinder spring to retract, and when no high-pressure gas exists in the cylinder spring 18, the telescopic end of the cylinder spring 18 enables the telescopic end of the cylinder spring to extend out through the elasticity of the spring.
Design like this, its connecting plate 19 is connected with cylinder spring 18's flexible end rotation, and then connecting plate 19 can carry out circumferential direction along cylinder spring 18's flexible end axis, the realization drives the removal of imbibition mouth 5, make imbibition mouth 5 can be coaxial the laying with the notes liquid hole of battery 11, then cylinder spring 18 work drives imbibition mouth 5 through flexible end drive connecting plate 19 and is close to the notes liquid hole of battery 11, and make imbibition mouth 5 compress tightly on the notes liquid hole of battery 11, be used for sealed imbibition mouth 5 and the junction of battery 11 notes liquid hole through sealed plastic pad 17 this moment, avoid gaseous leakage, and then can accomplish evacuation and imbibition to battery 11.
And a compressed air pipe 9 is connected to an air inlet of the cylinder spring 18, and the compressed air pipe 9 is communicated with an external high-pressure air source.
The high-pressure gas output by the external high-pressure gas source can be conveyed into the cylinder spring 18 through the compressed air pipe 9 so as to drive the cylinder spring 18 to work.
The steel ball smashing and pressing assembly comprises a hole sealing cylinder 2 fixedly mounted on a main body support 1, and the telescopic end of the hole sealing cylinder 2 penetrates through the main body support 1 and is integrally connected with a hole sealing cylinder 4.
The hole sealing cylinder 4 and the liquid injection hole of the battery 11 are coaxially arranged.
When the hole sealing cylinder 2 works, the hole sealing cylinder 4 can be driven to be close to or far away from the liquid injection hole of the battery 11 through the telescopic end.
By the design, the hole sealing cylinder 2 can work, the contraction end of the hole sealing cylinder drives the hole sealing cylinder 4 to be close to the liquid injection hole of the battery 11, the steel ball at the liquid injection hole can be pressed by the hole sealing cylinder 4 to be injected into the liquid injection hole, and the liquid injection hole of the battery 11 is sealed.
The hole sealing air cylinder 2 is driven by high-pressure gas to work, a compressed air pipe 9 is connected to an air inlet of the hole sealing air cylinder 2, and the compressed air pipe 9 is communicated with an external high-pressure air source.
The high-pressure gas output by the external high-pressure gas source can be conveyed into the hole sealing cylinder 2 through the compressed air pipe 9 so as to drive the hole sealing cylinder 2 to work.
The contact surface of the hole sealing cylinder 4 and the battery 11 is an arc surface, so that the battery 11 can be prevented from being crushed by the hole sealing cylinder 4.
When the battery pressing device is used, firstly, the battery 11 is placed on the placing position 12, the liquid injection hole of the battery 11 is arranged on the inner side, the starting button is pressed after the battery is placed and installed, the pressing plate 6 is close to the baffle 7 under the action of the pressing cylinder 3 at the moment, the battery 11 is further driven to abut against the baffle 7, the battery 11 is pressed on the placing position 12, and the pressure of the pressing cylinder 3 needs to be adjusted according to different battery models.
Then drive the liquid suction nozzle 5 through rotating the connecting plate 19 and remove, make the liquid suction nozzle 5 be coaxial with the notes liquid hole of battery 11 and lay, then cylinder spring 18 work drives the liquid suction nozzle 5 through flexible end drive connecting plate 19 and is close to the notes liquid hole of battery 11 to make liquid suction nozzle 5 compress tightly on the notes liquid hole of battery 11, be used for sealed liquid suction nozzle 5 and the junction of battery 11 notes liquid hole through sealed plastic pad 17 this moment, avoid gaseous leakage.
And then, starting vacuumizing, setting the vacuum degree between-0.085 MPa and-0.09 MPa, keeping the vacuum degree for 3-5min, sucking out gas and part of electrolyte in the battery 11 along with vacuumizing, conveying the sucked-out electrolyte into a temporary storage tank 13 through a vacuum tube 10, and caching the electrolyte through the temporary storage tank 13, so that the use is convenient.
And opening the nitrogen pipe 16 after the vacuumizing is stopped, and filling a proper amount of nitrogen into the temporary storage tank 13 through the nitrogen pipe 16 by using the nitrogen in the external nitrogen source, so that the electrolyte partially sucked out under the action of the pressure of the nitrogen is sucked into the battery 11 and continuously filled with the nitrogen for 10 seconds.
The compressed air of the cylinder spring 18 is then closed, and the cylinder spring 18 drives the connecting plate 19 to drive the liquid suction nozzle 5 away from the liquid injection hole of the battery 11.
Then, the sealing steel balls are placed on the liquid injection holes of the batteries 11 by using tweezers, the hole sealing cylinder 2 is opened, the hole sealing cylinder 2 drives the hole sealing cylinder 4 to move towards one side close to the batteries 11, the sealing steel balls are hammered into the liquid injection holes of the batteries 11, and sealing is completed.
Close hole sealing cylinder 2, make hole sealing cylinder 2 drive hole sealing cylinder 4 keep away from battery 11, close extrusion cylinder 3, make extrusion cylinder 3 drive clamp plate 6 keep away from baffle 7, then convenient taking off battery 11 placing position 12 department.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (10)
1. The utility model provides a semi-automatic closing device is used to square metal casing lithium cell, includes main part support (1), is provided with the position (12) of placing that are used for placing battery (11) on main part support (1), its characterized in that: the main part support (1) is located one side installation that places position (12) and is had the subassembly that compresses tightly battery (11) on placing position (12), and the notes liquid hole top of battery (11) is provided with the vacuum suction subassembly that is used for carrying out the evacuation in battery (11), and the main part support (1) is located the top of placing position (12) and is installed and be used for installing the steel ball in annotating the downthehole steel ball of liquid and smash the pressure subassembly.
2. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 1, wherein: one side of the placing position (12) opposite to the pressing component is provided with a baffle (7) used for positioning the battery on the placing position (12), and the baffle (7) is fixedly installed on the main body support (1).
3. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 2, wherein: compress tightly the subassembly including setting up and being clamp plate (6) that parallel laid placing position (12) department and baffle (7), install extrusion cylinder (3) on main body support (1), the telescopic link of extrusion cylinder (3) runs through main body support (1) and with clamp plate (6) fixed connection.
4. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 3, wherein: the vacuum suction assembly comprises a liquid suction nozzle (5), a vacuum tube (10) is connected to the liquid suction nozzle (5), negative pressure suction is formed in the liquid suction nozzle (5) through vacuum in the vacuum tube (10), and the liquid suction nozzle (5) is communicated with a liquid injection hole of the battery (11) and used for sucking gas generated in the battery (11).
5. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 4, wherein: the other end of the vacuum pipe (10) is communicated with a temporary storage tank (13), a sealing plug (14) is arranged at the joint of the vacuum pipe (10) and the temporary storage tank (13), and the vacuum pipe (10) penetrates through the inner cavity of the sealing plug (14) and the temporary storage tank (13) to be communicated.
6. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 5, wherein: a vacuum suction pipe (15) and a nitrogen pipe (16) are respectively arranged on the sealing plug (14), one ends of the vacuum suction pipe (15) and the nitrogen pipe (16) are respectively communicated with an inner cavity of the temporary storage tank (13), the other end of the vacuum suction pipe (15) is communicated with an external vacuum pump, and the other end of the nitrogen pipe (16) is communicated with an external nitrogen source.
7. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 6, wherein: the diameter of a liquid suction hole of the liquid suction nozzle (5) is 2-3 mm, and a sealing plastic pad (17) is fixedly connected to the position, close to the liquid suction hole, of the liquid suction nozzle (5).
8. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 7, wherein: one side of the baffle (7) is fixedly provided with a supporting plate (8), and the supporting plate (8) is provided with a liquid suction nozzle movable joint for driving the liquid suction nozzle (5) to be close to or far away from the liquid injection hole of the battery (11).
9. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 8, wherein: the liquid suction nozzle movable joint comprises an air cylinder spring (18) arranged on a supporting plate (8), a connecting plate (19) is rotatably connected to the telescopic end of the air cylinder spring (18), and one end, far away from the air cylinder spring (18), of the connecting plate (19) is fixedly connected with the liquid suction nozzle (5).
10. The semi-automatic sealing device for the square lithium battery with the metal shell as claimed in claim 9, wherein: the steel ball smashing and pressing assembly comprises a hole sealing cylinder (2) fixedly mounted on a main body support (1), the telescopic end of the hole sealing cylinder (2) penetrates through the main body support (1) and is integrally connected with a hole sealing cylinder (4), and the hole sealing cylinder (4) and a liquid injection hole of a battery (11) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337583.2U CN214043943U (en) | 2021-02-06 | 2021-02-06 | Semi-automatic sealing device for square metal shell lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337583.2U CN214043943U (en) | 2021-02-06 | 2021-02-06 | Semi-automatic sealing device for square metal shell lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN214043943U true CN214043943U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120337583.2U Active CN214043943U (en) | 2021-02-06 | 2021-02-06 | Semi-automatic sealing device for square metal shell lithium battery |
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| CN (1) | CN214043943U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964460A (en) * | 2021-10-20 | 2022-01-21 | 深圳市精朗联合科技有限公司 | Soft packet of power automobile lithium cell vacuum liquid injection mechanism |
| CN117832577A (en) * | 2023-12-29 | 2024-04-05 | 海希储能科技(山东)有限公司 | Manufacturing method of square aluminum shell battery |
-
2021
- 2021-02-06 CN CN202120337583.2U patent/CN214043943U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964460A (en) * | 2021-10-20 | 2022-01-21 | 深圳市精朗联合科技有限公司 | Soft packet of power automobile lithium cell vacuum liquid injection mechanism |
| CN113964460B (en) * | 2021-10-20 | 2022-09-27 | 深圳市精朗联合科技有限公司 | Soft packet of power automobile lithium cell vacuum liquid injection mechanism |
| CN117832577A (en) * | 2023-12-29 | 2024-04-05 | 海希储能科技(山东)有限公司 | Manufacturing method of square aluminum shell battery |
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Denomination of utility model: A semi-automatic sealing device for square metal shell lithium battery Effective date of registration: 20220323 Granted publication date: 20210824 Pledgee: Weifang Bank Co.,Ltd. Xincheng sub branch Pledgor: Weifang Energy-accumulating Battery Co.,Ltd. Registration number: Y2022980002981 |