Battery cell casing and sealing mechanism

Abstract

The utility model provides a battery cell casing and sealing mechanism. The battery cell casing and sealing mechanism comprises a base, a battery cell casing device and a battery cell shell sealing device, the battery cell shell sealing device comprises a pressing and sealing assembly, a feeding assembly, a positioning assembly for positioning a battery cell shell after the battery cell shell is filled with a battery cell, and a supporting assembly, the feeding assembly is arranged on the base and is in butt joint with the output end of the battery cell shell entering device, a conveying channel of a battery cell shell after core installation is formed between the feeding assembly and the supporting assembly, and a press sealing station is arranged on the conveying channel; the press sealing assembly is arranged on the base and located above the press sealing station. And the positioning assembly is arranged on the base and is positioned on the side part of the press sealing station, so that the battery cell shell on the press sealing station is positioned after the battery cell shell is loaded with the battery cell. According to the battery cell casing and sealing mechanism, automatic casing of the battery cell and automatic sealing of the battery cell casing can be realized, and the quality is ensured, so that the casing and sealing efficiency of the battery cell is improved, and large-scale production of batteries is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and more specifically, to a battery cell casing and sealing mechanism. Background Art

[0002] As a common energy source, cylindrical batteries are widely used in daily life due to their small size and light weight. A cylindrical battery includes a battery cell with a cover plate and a battery cell casing. During the production and processing of cylindrical batteries, it is necessary to insert the battery cell with a cap assembly into the battery cell casing and then perform press sealing to complete battery assembly. The accuracy of this process affects the performance of the battery.

[0003] In the traditional operation method, this process is carried out manually. After fixing the battery cell casing manually, the battery cell with a cap assembly is pushed into the battery cell casing along a specific direction to complete the insertion of the battery cell into the casing, and then a sealing tool is used to seal the cap assembly and the battery cell casing. However, manual operation has low efficiency and high labor intensity, and due to the different proficiency levels of different workers, there will also be differences in the positioning and assembly of each component, thus affecting the product quality. Therefore, how to improve the efficiency and quality of battery cell casing and sealing has become one of the difficult technical problems to solve. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a battery cell casing and sealing mechanism. The battery cell casing and sealing mechanism can realize automatic insertion of the battery cell into the casing and automatic sealing of the battery cell casing, ensure the quality, thereby improving the efficiency of battery cell casing and sealing, and being beneficial to large-scale production of batteries.

[0005] To achieve the above purpose, the utility model is realized through the following technical solutions: A battery cell casing and sealing mechanism, characterized in that: it includes a base, a battery cell casing device and a battery cell casing sealing device; the battery cell casing sealing device includes a press-sealing component, a feeding component, a positioning component for positioning the battery cell casing after loading the battery cell, and a supporting component; the feeding component is arranged on the base and is docked with the output end of the battery cell casing device, a conveying channel for the battery cell casing after loading the battery cell is formed between the feeding component and the supporting component, and a press-sealing station is arranged on the conveying channel; the press-sealing component is arranged on the base and is located above the press-sealing station; the positioning component is arranged on the base and is located at the side of the press-sealing station to realize positioning of the battery cell casing after loading the battery cell at the press-sealing station.

[0006] In the above solution, the cell casing device of the present utility model can automatically load the cell into the cell casing, and the feeding assembly can convey the cell casing after core loading to the pressing and sealing station; when the cap assembly of the cell is sealed with the cell casing after core loading, the pressing and sealing assembly can drive the positioning assembly to position the cell casing after core loading when descending for pressing and sealing, and the pressing and sealing assembly can seal the cap assembly and the cell casing, so as to realize automatic cell casing and automatic sealing of the cell casing, ensure the quality, improve the efficiency of cell casing and sealing, and is conducive to large-scale production of batteries.

[0007] The feeding assembly includes a turntable and a turntable driving module; the turntable driving module is arranged on the base and connected with the turntable to realize the rotation of the turntable; a plurality of positioning grooves for positioning the cell casing after core loading are arranged on the side of the turntable;

[0008] The plurality of positioning grooves are evenly distributed along the circumferential direction of the turntable on the side of the turntable; the positioning groove is an arc-shaped groove matching the cell casing after core loading.

[0009] The supporting assembly includes an arc-shaped supporting bottom plate and an arc-shaped supporting side plate which are connected to each other; a conveying channel is formed by enclosing between the arc-shaped supporting bottom plate, the arc-shaped supporting side plate and the turntable.

[0010] The pressing and sealing assembly includes a lifting plate, a lifting plate driving module, a pressing column and a pressing head; the lifting plate driving module is arranged on the base and connected with the lifting plate to realize driving the lifting plate to lift and lower; one end of the pressing column is connected with the lifting plate, and the other end is connected with the pressing head, and the pressing head is located above the pressing and sealing station.

[0011] The positioning assembly includes a connecting rod, a base, a pushing structure and a positioning module; the positioning module is movably connected with the base; one end of the connecting rod is connected with the lifting plate, and the other end is connected with the positioning module through the pushing structure; when the lifting plate descends, the connecting rod connected with the lifting plate descends and pushes the positioning module to move through the pushing structure, so that the positioning module enters the pressing and sealing station to realize positioning of the cell casing after core loading at the pressing and sealing station.

[0012] The pushing structure includes a push roller and an inclined surface arranged at the lower end of the connecting rod; the push roller is connected with the positioning module, and when the connecting rod descends, the inclined surface pushes the push roller to make the positioning module move.

[0013] A positioning member is arranged on the end face of the positioning module away from the connecting rod, and the positioning member is provided with an arc-shaped clamping position matching the cell casing after core loading.

[0014] The positioning assembly further includes a return spring; one end of the return spring is connected with the positioning module, and the other end is connected with the base.

[0015] The cell casing device includes a cell conveying component, a cell casing conveying component, a casing component, and a cell casing positioning component; the cell casing conveying component is arranged on the base, and the cell conveying component is connected to the base through a fixing frame and is located above the cell casing conveying component; a baffle is arranged at the end of the cell conveying component, and the position of the cell casing conveying component corresponding to the lower part of the end station is used as the casing station; the casing component is arranged on the base and is located above the end station; the cell casing positioning component is arranged on the base and is located on the side of the casing station to position the cell casing on the casing station.

[0016] The casing component includes a casing driving component and a pressing part arranged above the end station; the casing driving component is connected to the base and is connected to the pressing part to drive the pressing part to press the cell at the end station.

[0017] The cell casing positioning component includes a cell casing positioning block and a cell casing positioning block driving component; the cell casing positioning block driving component is connected to the cell casing positioning block to drive the cell casing positioning block to enter the casing station to position the cell casing; the cell casing positioning block is provided with an arc-shaped clamping position matching the cell casing.

[0018] Compared with the prior art, the present utility model has the following advantages and beneficial effects: The cell casing and sealing mechanism of the present utility model can realize automatic cell casing and automatic sealing of the cell casing, and ensure the quality, thereby improving the efficiency of cell casing and sealing, which is beneficial to large-scale production of batteries. Description of the Drawings

[0019] Figure 1 is a schematic diagram of the cell casing and sealing mechanism of the present utility model Figure 1 ;

[0020] Figure 2 is a schematic diagram of the cell casing and sealing mechanism of the present utility model Figure 2 ;

[0021] Figure 3 is a partial schematic diagram of the cell casing and sealing mechanism of the present utility model Figure 1 ;

[0022] Figure 4 is a partial schematic diagram of the cell casing and sealing mechanism of the present utility model Figure 2 ;

[0023] Figure 5 is a schematic diagram of the positioning component in the cell casing and sealing mechanism of the present utility model;

[0024] Figure 6 is a schematic diagram of the cell casing positioning component in the cell casing and sealing mechanism of the present utility model;

[0025] Among them, 1 is the base, 2 is the battery cell housing after core installation, 3 is the turntable, 3.1 is the positioning groove, 4 is the gear transmission component, 5 is the rotating component, 6 is the arc-shaped support bottom plate, 7 is the arc-shaped support side plate, 8 is the lifting plate, 9 is the pressing column, 10 is the pressing head, 11 is the connecting column, 12 is the spring, 13 is the connecting rod, 14 is the base, 15 is the positioning module, 16 is the pushing roller, 17 is the positioning part, 18 is the reset spring, 19 is the baffle, 20 is the battery cell housing, 21 is the housing driving component, 22 is the pressing part, 23 is the battery cell, 24 is the battery cell housing positioning block, 25 is the driving component of the battery cell housing positioning block, 26 is the battery cell conveying component, and 27 is the battery cell housing conveying component. Specific embodiments

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Embodiment

[0027] As Figures 1 to 6 shown, the battery cell housing and sealing mechanism of the present invention includes a base 1, a battery cell housing device, and a battery cell housing sealing device. Among them, the battery cell housing sealing device includes a pressing and sealing component, a feeding component, a positioning component for positioning the battery cell housing 2 after core installation, and a supporting component. Among them, the feeding component is arranged on the base 1 and is docked with the output end of the battery cell housing device. A conveying channel for the battery cell housing 2 after core installation is formed between the feeding component and the supporting component. A pressing and sealing station is arranged on the conveying channel. The pressing and sealing component is arranged on the base 1 and is located above the pressing and sealing station, while the positioning component is arranged on the base 1 and is located on the side of the pressing and sealing station to realize the positioning of the battery cell housing 2 after core installation at the pressing and sealing station.

[0028] The feeding component of the present invention includes a turntable 3 and a turntable driving module. The turntable driving module is arranged on the base 1 and is connected to the turntable 3 to realize the rotation of the turntable 3. A plurality of positioning grooves 3.1 for positioning the battery cell housing 2 after core installation are arranged on the side of the turntable 3. The plurality of positioning grooves 3.1 are evenly distributed along the circumferential direction of the turntable 3 on the side of the turntable 3, and the positioning groove 3.1 is an arc-shaped groove matching the battery cell housing 2 after core installation.

[0029] The turntable driving module includes a turntable driving component (not shown), a gear transmission component 4 composed of a large gear and a small gear that mesh with each other, and a rotating component 5. Among them, one end of the rotating component 5 is connected to the turntable 3, and the other end is connected to the gear transmission component 4. The base 1 of the present invention is provided with a convex platform. The large gear of the gear transmission component 4 is connected to the convex platform through a bearing. The turntable driving component is connected to the gear transmission component 4 to realize driving the gear transmission component 4 to rotate to drive the turntable 3 to rotate.

[0030] The support assembly of the present utility model includes an arc-shaped support bottom plate 6 and an arc-shaped support side plate 7 which are connected to each other. A conveying channel is formed by enclosing between the arc-shaped support bottom plate 6, the arc-shaped support side plate 7 and the turntable 3.

[0031] The crimping and sealing assembly of the present utility model includes a lifting plate 8, a lifting plate driving module, a pressing column 9 and a pressing head 10. Among them, the lifting plate driving module includes a lifting plate driving component (not shown), a connecting column 11 and a spring 12. The lifting plate driving component is located inside the boss and is connected to the connecting column 11. The connecting column 11 passes through the turntable 3 and is connected to the lifting plate 8. The spring 12 is sleeved on the connecting column 11, and the lifting plate driving component drives the lifting plate 8 to lift and lower. One end of the pressing column 9 is connected to the lifting plate 8, and the other end is connected to the pressing head 10. The pressing head 10 is located above the crimping and sealing station.

[0032] The positioning assembly of the present utility model includes a connecting rod 13, a base 14, a pushing structure and a positioning module 15. Among them, the positioning module 15 is movably connected to the base 14. One end of the connecting rod 13 is connected to the lifting plate 8, and the other end is connected to the positioning module 15 through the pushing structure. When the lifting plate 8 descends, the connecting rod 13 connected to the lifting plate 8 descends and pushes the positioning module 15 to move through the pushing structure, so that the positioning module 15 enters the crimping and sealing station, realizing the positioning of the cored cell housing 2 after core loading at the crimping and sealing station. The pushing structure includes a push roller 16 and an inclined surface arranged at the lower end of the connecting rod 13. The push roller 16 is connected to the positioning module 15. When the connecting rod 13 descends, the inclined surface pushes the push roller 16 to rotate, causing the positioning module 15 to move.

[0033] A positioning member 17 is arranged on the end face of the positioning module 15 of the present utility model away from the connecting rod 13. The positioning member 17 is provided with an arc-shaped clamping position matching the cored cell housing 2. The positioning assembly further includes a return spring 18. One end of the return spring 18 is connected to the positioning module 15, and the other end is connected to the base 14.

[0034] The cell housing device of this embodiment includes a cell conveying assembly 26, a cell housing conveying assembly 27, a housing assembly and a cell housing positioning assembly. Among them, both the cell conveying assembly 26 and the cell housing conveying assembly 27 are existing conveying lines with conveyor belts. The cell housing conveying assembly 27 is arranged on the base 1. The cell conveying assembly 26 is connected to the base 1 through a fixing frame and is located above the cell housing conveying assembly 27. A baffle 19 is arranged at the end of the cell conveying assembly 26. The position of the cell housing conveying assembly 27 corresponding to the lower part of the end station is used as the housing station. The housing assembly is arranged on the base 1 and is located above the end station. The cell housing positioning assembly is arranged on the base 1 and is located at the side of the housing station, realizing the positioning of the cell housing 20 at the housing station.

[0035] Specifically, the case loading assembly includes a case loading drive member 21 and a pressing member 22 disposed above the end station. The case loading drive member 21 is connected to the base 1 and connected to the pressing member 22 to drive the pressing member 22 to press the battery cell 23 at the end station. The battery cell case positioning assembly includes a battery cell case positioning block 24 and a battery cell case positioning block drive member 25. Among them, the battery cell case positioning block drive member 25 is connected to the battery cell case positioning block 24 to drive the battery cell case positioning block 24 to enter the case loading station to position the battery cell case 20. The battery cell case positioning block 24 is provided with an arc-shaped clamping position matching the battery cell case 20.

[0036] The battery cell case loading device of the present utility model can realize the transportation of the battery cell 23 and the battery cell case 20 through the battery cell transportation assembly 26 and the battery cell case transportation assembly 27. The battery cell 23 is automatically loaded into the battery cell case 20 through the case loading assembly, and the battery cell case 2 after loading the cell is transported and docked with the feeding assembly through the battery cell case 20. The feeding assembly can transport the battery cell case 2 after loading the cell to the pressing and sealing station. When the cap assembly of the battery cell 23 is sealed with the battery cell case 2 after loading the cell, the lifting plate 8 is controlled to descend, the connecting rod 13 connected to the lifting plate 8 descends and drives the positioning module 15 to move through the pushing structure, so that the positioning module 15 enters the pressing and sealing station to position the battery cell case 2 after loading the cell at the pressing and sealing station. At the same time, the pressing head 10 descends to seal the cap assembly of the battery cell 23 and the battery cell case 2 after loading the cell, so as to realize the automatic case loading of the battery cell 23 and the automatic sealing of the battery cell case, and ensure the quality, thereby improving the efficiency of battery cell case loading and sealing, which is beneficial to large-scale battery production.

[0037] The above embodiments are the preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present utility model shall be equivalent replacement methods and are all included in the protection scope of the present utility model.

Claims

1. A battery cell casing and sealing mechanism, characterized in that: It includes a base, a battery cell casing device, and a battery cell casing sealing device; the battery cell casing sealing device includes a pressing and sealing assembly, a feeding assembly, a positioning assembly for positioning the battery cell casing after the battery cell is installed, and a supporting assembly; the feeding assembly is arranged on the base and is docked with the output end of the battery cell casing device, and a conveying channel for the battery cell casing after the battery cell is installed is formed between the feeding assembly and the supporting assembly, and a pressing and sealing station is arranged on the conveying channel; the pressing and sealing assembly is arranged on the base and is located above the pressing and sealing station; the positioning assembly is arranged on the base and is located on the side of the pressing and sealing station to position the battery cell casing after the battery cell is installed on the pressing and sealing station.

2. The battery cell casing and sealing mechanism according to claim 1, characterized in that: The feeding assembly includes a turntable and a turntable driving module; the turntable driving module is arranged on the base and is connected to the turntable to realize the rotation of the turntable; a plurality of positioning grooves for positioning the battery cell casing after the battery cell is installed are arranged on the side of the turntable. The plurality of positioning grooves are evenly distributed along the circumferential direction of the turntable on the side of the turntable; the positioning grooves are arc-shaped grooves matching the battery cell casing after the battery cell is installed.

3. The battery cell casing and sealing mechanism according to claim 2, characterized in that: The supporting assembly includes an arc-shaped supporting bottom plate and an arc-shaped supporting side plate which are connected to each other; a conveying channel is formed by enclosing between the arc-shaped supporting bottom plate, the arc-shaped supporting side plate and the turntable.

4. The battery cell casing and sealing mechanism according to claim 1, characterized in that: The pressing and sealing assembly includes a lifting plate, a lifting plate driving module, a pressing column and a pressing head; the lifting plate driving module is arranged on the base and is connected to the lifting plate to drive the lifting of the lifting plate; one end of the pressing column is connected to the lifting plate, and the other end is connected to the pressing head, and the pressing head is located above the pressing and sealing station.

5. The battery cell casing and sealing mechanism according to claim 4, characterized in that: The positioning assembly includes a connecting rod, a base, a pushing structure and a positioning module; the positioning module is movably connected to the base; one end of the connecting rod is connected to the lifting plate, and the other end is connected to the positioning module through the pushing structure; when the lifting plate descends, the connecting rod connected to the lifting plate descends and pushes the positioning module to move through the pushing structure, so that the positioning module enters the pressing and sealing station to position the battery cell casing after the battery cell is installed on the pressing and sealing station.

6. The battery cell casing and sealing mechanism according to claim 5, characterized in that: The pushing structure includes a push roller and an inclined surface arranged at the lower end of the connecting rod; the push roller is connected to the positioning module, and when the connecting rod descends, the inclined surface pushes the push roller to make the positioning module move.

7. The battery cell case loading and sealing mechanism according to claim 5, characterized in that: A positioning member is arranged on the end face of the positioning module away from the connecting rod, and the positioning member is provided with an arc-shaped clamping position matching the battery cell casing after the battery cell is installed.

8. The battery cell casing and sealing mechanism according to claim 5, characterized in that: The positioning assembly further includes a return spring; one end of the return spring is connected to the positioning module, and the other end is connected to the base.

9. The battery cell casing and sealing mechanism according to claim 1, wherein: The battery cell casing device includes a battery cell conveying assembly, a battery cell casing conveying assembly, a casing assembly and a battery cell casing positioning assembly; the battery cell casing conveying assembly is arranged on the base, the battery cell conveying assembly is connected to the base through a fixing frame and is located above the battery cell casing conveying assembly; a baffle is arranged at the end of the battery cell conveying assembly, and the position corresponding to the lower part of the end station of the battery cell casing conveying assembly is used as the casing station; the casing assembly is arranged on the base and is located above the end station; the battery cell casing positioning assembly is arranged on the base and is located on the side of the casing station to position the battery cell casing on the casing station.

10. The battery cell casing and sealing mechanism according to claim 9, characterized in that: The shell - inserting assembly includes a shell - inserting driving component and a pressing member disposed above the end station; the shell - inserting driving component is connected to the base and is connected to the pressing member to drive the pressing member to press the battery cell at the end station. The battery - cell housing positioning assembly includes a battery - cell housing positioning block and a driving component for the battery - cell housing positioning block; the driving component for the battery - cell housing positioning block is connected to the battery - cell housing positioning block to drive the battery - cell housing positioning block to enter the shell - inserting station for positioning the battery - cell housing; the battery - cell housing positioning block is provided with an arc - shaped clamping position matching the battery - cell housing.

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