Button cell lid closing device

By designing a buckle battery cover closure device, using the base, liquid injection tray and steel shell material discharge assembly, combined with the automatic cover closure mechanism of the hoisting hand, the problems of inefficient and safety risks of the cover closure operation in lithium battery production are solved, and an efficient and safe battery cover closure is achieved.

CN114420990BActive Publication Date: 2025-06-24JIANGXI MIC-POWER NEW ENERGY CO LTD
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Patent Information

Application Number
CN202111667372.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-30
Publication Date
2025-06-24
Estimated Expiration
2041-12-30

AI Technical Summary

Technical Problem

In the production of existing lithium batteries, the battery cell cover closing operation efficiency is inefficient and can easily lead to hand scratches.

Method used

A buckle-type battery cover closure device is designed, including a base, liquid injection tray and steel shell material discharge assembly, and automatic cover closure between the battery cell and the steel shell is achieved by lifting the hand to avoid manual operation.

Benefits of technology

The efficiency and safety of the closing cover operation are improved. Compared with the manual closing cover, the overall efficiency is increased by 3-4 times, reducing the risk of hand scratches for operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a cover closing device for a button cell, which includes a base, a liquid injection tray and a steel shell feeding assembly. The liquid injection tray is arranged on the base, and the steel shell feeding assembly is installed on the liquid injection tray. The base includes a bottom plate, a battery core placing assembly and a jacking wrench. The battery core placing assembly is arranged on the bottom plate, and the jacking wrench is fixed on the bottom plate. Moreover, the jacking wrench is used to jack up the entire battery core placing assembly, and the liquid injection tray is installed on the battery core placing assembly. In the present invention, the battery core placing assembly and the jacking wrench are arranged on the base. After the semi-finished battery and the steel shell are placed in position, the jacking wrench can be rotated to make the battery core placing assembly move upward, so that the semi-finished battery and the steel shell can achieve the cover closing operation, thereby avoiding the operator from manually holding the battery and the steel shell for cover closing, and improving the safety and the efficiency of the cover closing operation.
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Description

Technical Field

[0001] The present invention relates to the field of lithium battery production equipment, and particularly to a cover closing device for button batteries. Background Art

[0002] During the production of lithium batteries, a cover closing operation needs to be performed on the battery cells. The existing operation method is to perform the cover closing manually. Specifically, the semi-finished battery cell is held with one hand, and then the steel shell is taken out with the other hand and pressed onto the semi-finished battery cell to achieve the cover closing operation of the battery cell. This operation has low efficiency and is prone to scratching the hand by the steel buckle. Therefore, how to produce a device that can perform the cover closing operation quickly is a problem that those skilled in the art need to consider. Summary of the Invention

[0003] An object of the present invention is to overcome the deficiencies in the prior art and provide a button battery cover closing device that is convenient for assembly, has high efficiency, and is safe in operation.

[0004] The object of the present invention is achieved by the following technical solutions:

[0005] A button battery cover closing device includes: a base, a liquid injection tray, and a steel shell feeding assembly. The liquid injection tray is disposed on the base, and the steel shell feeding assembly is installed on the liquid injection tray.

[0006] The base includes a bottom plate, a battery cell placing assembly, and a jacking wrench. The battery cell placing assembly is disposed on the bottom plate, the jacking wrench is fixed to the bottom plate, and the jacking wrench is used to jack up the entire battery cell placing assembly. The liquid injection tray is installed on the battery cell placing assembly.

[0007] Preferably, the battery cell placing assembly includes a lifting plate, a top rod, and a support plate. The lifting plate is disposed on the bottom plate in a liftable manner. One end of the top rod is disposed on the lifting plate, and the other end of the top rod is connected to the support plate.

[0008] Preferably, a plurality of top rods are provided, and the top rods are spaced apart from each other.

[0009] Preferably, the support plate is provided with a plurality of battery cell fixing holes, and the battery cell fixing holes are spaced apart from each other.

[0010] Preferably, a first limiting hole is further provided on the support plate, and a first positioning pin is provided on the liquid injection tray. The first positioning pin is installed in the first limiting hole.

[0011] Preferably, four first positioning pins are provided, and the four first positioning pins are respectively disposed at the four corner positions of the liquid injection tray.

[0012] Preferably, the steel shell feeding component includes a steel shell placing tray, a material clamping plate and sliding columns. The material clamping plate is connected to the sliding columns. The sliding columns are slidably arranged on the steel shell placing tray. A plurality of steel shell positioning through holes are formed in the steel shell placing tray, and the steel shell positioning through holes are spaced apart from each other.

[0013] Preferably, a second limiting hole is formed in the liquid injection tray, and a second positioning pin is arranged on the steel shell placing tray. The second positioning pin can be inserted into the second limiting hole.

[0014] Preferably, there are four second positioning pins, and the four second positioning pins are respectively arranged at the four corner positions of the steel shell placing tray.

[0015] Preferably, the steel shell feeding component further includes two handles, and the two handles are respectively arranged on both sides of the steel shell placing tray.

[0016] The advantages and beneficial effects of the present invention compared with the prior art are as follows:

[0017] The present invention is a snap-type battery capping device. By arranging a base, a liquid injection tray and a steel shell feeding component, semi-finished batteries can be placed on the base, and steel shells can also be placed on the steel shell feeding device. The liquid injection tray can inject liquid into the semi-finished batteries. In addition, a battery core placing component and a jacking wrench are arranged on the base. After the semi-finished batteries and the steel shells are placed in place, the jacking wrench can be rotated to make the battery core placing component move upward, so that the semi-finished batteries and the steel shells can be capped, thus avoiding the operator from manually holding the batteries and the steel shells for capping, improving safety and the efficiency of the capping operation. The operation of the present invention is safe and convenient. When the employee performs the capping operation, there is no need to manually squeeze the steel buckle for capping, avoiding the risk of hand scratching of personnel, improving the efficiency. Compared with the existing manual capping, the overall efficiency is increased by 3-4 times. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of a snap-type battery capping device according to an embodiment of the present invention;

[0019] Figure 2 is Figure 1 a schematic structural diagram of the base of the snap-type battery capping device shown in

[0020] Figure 3 is Figure 1 a schematic structural diagram of the steel shell feeding component of the snap-type battery capping device shown in

[0021] Figure 4 is Figure 1 a schematic structural diagram of the jacking wrench of the snap-type battery capping device shown in

[0022] Figure 5 As shown in Figure 1 the structural schematic diagram of the pressing elbow of the snap - on battery cover device shown Specific embodiments

[0023] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0024] Please refer to Figure 1 , a snap - on battery cover device, comprising: a base 100, a liquid injection tray 200 and a steel shell feeding assembly 300. The liquid injection tray is arranged on the base, and the steel shell feeding assembly is installed on the liquid injection tray. Thus, by providing the base, the liquid injection tray and the steel shell feeding assembly, the semi - finished battery can be placed on the base, and the steel shell can also be placed on the steel shell feeding device, and the liquid injection tray can be used to inject liquid into the semi - finished battery.

[0025] It should be noted that the cover base is at the bottom, the liquid injection tray is in the middle, and the steel shell feeding assembly is at the top. The cover base and the liquid injection tray are connected through positioning holes and positioning pins, and the liquid injection tray and the steel shell feeding assembly are connected through positioning holes and positioning pins. The cover base plays a role in supporting and fixing the entire tooling, the liquid injection tray plays a role in fixing the semi - finished battery after liquid injection, and the steel shell feeding mechanism plays a role in fixing the steel shell.

[0026] Please refer to Figure 2 , the base 100 includes a bottom plate 110, a battery cell placement assembly 120 and a jacking wrench 130. The battery cell placement assembly 120 is arranged on the bottom plate 110, the jacking wrench 130 is fixed on the bottom plate 110, and the jacking wrench 130 is used to jack up the entire battery cell placement assembly 120. The liquid injection tray 200 is installed on the battery cell placement assembly 120. It should be noted that the bottom plate is used to install the battery cell placement assembly 120 and the jacking wrench 130. Thus, by providing the battery cell placement assembly and the jacking wrench on the base, after the semi - finished battery and the steel shell are placed in position, the jacking wrench can be rotated to move the battery cell placement assembly upward, so that the semi - finished battery and the steel shell can be snap - covered, thus avoiding the operator from manually covering the battery and the steel shell, and improving the safety and the efficiency of the snap - covering operation.

[0027] Please refer to Figure 2, the battery cell placement assembly 120 includes a lifting plate 121, a top rod 122, and a support plate 123. The lifting plate is arranged to be liftably mounted on the bottom plate. One end of the top rod is arranged on the lifting plate, and the other end of the top rod is connected to the support plate. It should be noted that the lifting plate 121 is used to achieve lifting; the top rod 122 is used to fix the support plate, and the support plate 123 is used to fix the battery cell. Further, the top rod is located above the lifting plate and is connected by screws. The top rod plays a role in lifting the semi-finished battery cell after liquid injection.

[0028] It should be noted that a plurality of top rods are provided, and the top rods are respectively arranged at intervals. In this way, by setting a plurality of top rods, the structural stability can be improved.

[0029] It should be noted that the support plate is provided with a plurality of battery cell fixing holes, and the battery cell fixing holes are respectively arranged at intervals. In this way, by setting the battery cell fixing holes, the semi-finished battery cell can be fixed.

[0030] Please refer to Figure 1 , the support plate is further provided with a first limiting hole, and the liquid injection tray is provided with a first positioning pin, and the first positioning pin is installed in the first limiting hole. In this way, by setting the first limiting hole, the liquid injection tray can be installed. In this embodiment, four first positioning pins are provided, and the four first positioning pins are respectively arranged at the four corner positions of the liquid injection tray. In this way, by setting four first positioning pins and the corresponding number of first limiting holes, the installation stability can be effectively improved.

[0031] Please refer to Figure 3 , the steel shell feeding assembly 300 includes a steel shell placement tray 310, a material clamping plate 320, and a sliding column 330. The material clamping plate is connected to the sliding column, the sliding column is slidably arranged on the steel shell placement tray, and the steel shell placement tray is provided with a plurality of steel shell positioning through holes, and the steel shell positioning through holes are respectively arranged at intervals. It should be noted that the steel shell placement tray 310 is used to place the steel shell; the material clamping plate 320 is used to clamp the steel shell, that is, when the steel shell is placed in the steel shell positioning through hole on the steel shell placement tray, the material clamping plate needs to clamp the steel shell to prevent it from falling out of the steel shell positioning through hole; the sliding column 330 is used to control the movement of the material clamping plate.

[0032] Further, the material clamping plate is connected by the sliding column. The material clamping plate is located above the steel shell placement tray. The steel shell placement tray plays a role in supporting the steel shell, the material clamping plate plays a role in preventing the steel shell from falling, and the sliding column plays a role in allowing the material clamping tray to run along a preset track.

[0033] It should be noted that a second limiting hole is formed in the liquid injection tray, and a second positioning pin is arranged on the steel shell placement tray. The second positioning pin can be inserted into the second limiting hole. In this way, by providing the second limiting hole, the limiting effect on the steel sheet placement tray can be realized. In this embodiment, four second positioning pins are provided, and the four second positioning pins are respectively arranged at the four corner positions of the steel shell placement tray. In this way, by providing four second positioning pins and the same number of second limiting holes corresponding to the second positioning pins, the assembly stability and assembly efficiency can be improved.

[0034] Please refer to Figure 3 , the steel shell feeding assembly 300 further includes two handles 340, and the two handles are respectively arranged on both sides of the steel shell placement tray. In this way, by providing two handles, it is convenient to take and place the steel shell placement tray.

[0035] In order to realize the jacking action of the battery cell and improve the stability during the jacking process, specifically, in one embodiment, please refer to Figure 2 , two jacking winches 130 are provided, and the two jacking winches 130 are respectively arranged on the bottom plate, so that symmetry can be achieved when the lifting plate 121 is jacked, thereby improving the jacking stability.

[0036] Furthermore, in order to realize the jacking function, please refer to Figure 4 , in one of the jacking winches, the jacking winch 130 includes a bearing frame 131, an eccentric shaft 132, a bearing 133 and a handle 134. The bearing frame is installed on the bottom plate, and an installation hole is formed in the bearing frame. The eccentric shaft passes through the installation hole, and one end of the eccentric shaft is connected to the bearing, and the other end of the eccentric shaft is connected to the handle. The bearing is used to abut against the lifting plate. It should be noted that the bearing frame is used for fixing. While the eccentric shaft is used to connect the bearing 133 and the handle 134, it can also make the bearing lift or lower when the handle rotates; the bearing 133 is used to abut against the lifting plate so that the lifting plate can be lifted and lowered under the action of the bearing; the handle 134 is used to provide a power source for the lifting of the bearing, that is, when the handle rotates, the lifting function can be realized.

[0037] It should also be noted that the jacking winch is located below the lifting plate, fixed to the bottom plate by screws and connected to the lifting plate. The jacking winch provides kinetic energy for the cover. The bottom plate is located at the bottom of the entire cover base and is connected to 5 linear bearings by screws. The bottom plate is used as a reference surface for the entire tooling.

[0038] Place the semi-finished battery cells filled with liquid into the liquid injection tray. The liquid injection tray is positioned on the base by inserting the positioning pins into the positioning holes of the base. Place the steel shell into the steel shell feeding component (with the opening of the steel shell facing downwards), and slide the clamping plate to prevent the steel buckle from falling. The steel shell feeding component is positioned on the liquid injection tray by inserting the positioning pins into the positioning holes of the liquid injection tray. Close the toggle clamp, slide the clamping plate in the opposite direction, and lift the battery cell upwards by turning the hand crank to complete the lid closing.

[0039] Further, in order to improve the efficiency of lid closing, as well as the accuracy and reliability of lid closing, in one embodiment, please refer to Figure 5 , the button cell lid closing device further includes a pressing elbow 400. The pressing elbow 400 includes a base 410, an elbow wrench 420, a connecting plate 430, and a positioning post 440. The base is disposed on the bottom plate. The elbow wrench is rotatably disposed on the base. One end of the connecting plate is disposed on the elbow wrench, and the other end of the connecting plate is connected to the positioning post. When the steel shell is placed and installed on this lid closing device, the assembly of the entire lid closing device can be achieved by pressing down the positioning post, so that the battery cell and the steel shell can be well matched, improving the efficiency of lid closing, as well as the accuracy and reliability of lid closing.

[0040] The above embodiments only represent several embodiments of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims

1. A snap-on battery lid device, characterized in that, Including: A base, a liquid injection tray and a steel shell feeding component, the liquid injection tray is arranged on the base, and the steel shell feeding component is installed on the liquid injection tray; The base includes a bottom plate, a battery cell placement component and a jacking wrench. The battery cell placement component is arranged on the bottom plate, and the jacking wrench is fixed on the bottom plate. The jacking wrench is used to jack up the entire battery cell placement component. The liquid injection tray is installed on the battery cell placement component. The battery cell placement component includes a lifting plate, a jacking rod and a support plate. The lifting plate is arranged to be liftably installed on the bottom plate. One end of the jacking rod is arranged on the lifting plate, and the other end of the jacking rod is connected to the support plate. A first limiting hole is also formed on the support plate. A first positioning pin is arranged on the liquid injection tray, and the first positioning pin is installed in the first limiting hole; The steel shell feeding component includes a steel shell placement tray, a material clamping plate and a sliding column. The material clamping plate is connected to the sliding column, and the sliding column is slidably arranged on the steel shell placement tray. A plurality of steel shell positioning through holes are formed on the steel shell placement tray, and the steel shell positioning through holes are respectively arranged at intervals. A second limiting hole is formed on the liquid injection tray, and a second positioning pin is arranged on the steel shell placement tray. The second positioning pin can be inserted into the second limiting hole.

2. The snap-on battery lid closing device according to claim 1, characterized in that, A plurality of the jacking rods are provided, and the jacking rods are respectively arranged at intervals.

3. The snap-on battery lid device according to claim 1, wherein, A plurality of battery cell fixing holes are formed on the support plate, and the battery cell fixing holes are respectively arranged at intervals.

4. The snap-on battery lid device according to claim 1, characterized in that, Four first positioning pins are provided, and the four first positioning pins are respectively arranged at the four corner positions of the liquid injection tray.

5. The snap-on battery lid device according to claim 1, wherein, Four second positioning pins are provided, and the four second positioning pins are respectively arranged at the four corner positions of the steel shell placement tray.

6. The snap-on battery lid closing device according to claim 1, characterized in that, The steel shell feeding component further includes two handles, and the two handles are respectively arranged on both sides of the steel shell placement tray.

Citation Information

Patent Citations

  • Semi-automatic jacketing machine for cylindrical lithium batteries

    CN105397457A

  • Button cell cover closing device

    CN217903170U