A batch sealing device for button lithium batteries

Abstract

The present invention discloses a batch sealing device for button lithium batteries, comprising a frame bottom plate, the top of the frame bottom plate is fixedly connected to a frame vertical plate, the top of the frame vertical plate is provided with a frame upper plate, the top of the frame upper plate is installed with a hydraulic cylinder, a punching pin clamp is installed on the output shaft of the hydraulic cylinder, the bottom of the punching pin clamp is provided with a punching pin, the outside of the punching pin is provided with a stripping plate, the inner side of the frame vertical plate is provided with a sealing bin, the top of the positioning plate is movably connected with a turnover plate, and the top of the turnover plate is movably connected with a push plate. When sealing, the button batteries are arranged in the push plate, and then the turnover plate and the push plate are placed on the positioning plate, the hydraulic cylinder is turned on to drive the punching pin to perform the sealing work, the hydraulic pressure is pressed down, and the punching pin is manually taken out opposite to the sealing device, and the sealing process is completed. Because of the combination of man and machine, both the sealing mold and the sealing stability are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of button cell production, in particular to a batch sealing device for button lithium cells. Background Art

[0002] Button batteries are usually sealed one by one using a punch or hydraulic press, which will greatly shorten the service life of the sealing mold and make it more prone to failure during the packaging process. For button lithium batteries, due to their particularity, all assembly and sealing processes must be carried out in an extremely dry and closed environment. For larger button lithium batteries, whether they are sealed by a punch or hydraulic press, they are relatively stable, but for small button lithium batteries, the stability and efficiency of sealing are still a problem. Summary of the invention

[0003] The purpose of the present invention is to provide a batch sealing device for button lithium batteries. When sealing, the button batteries are arranged in a push plate, and then the turnover plate and the push plate are placed on the positioning plate, and then the push plate and the batteries to be sealed in the push plate are pushed into the sealing bin together, and the hydraulic cylinder is turned on to drive the punch to perform the sealing work, and the hydraulic pressure is pressed down to complete the sealing action, and the hydraulic pressure rises back to standby, and the battery to be sealed Pushing process is repeated, the first tray of sealed batteries and the push plate are pushed out, and manually taken out opposite to the sealing device, and the sealing process is completed. Because of the combination of man and machine, both the sealing mold and the sealing stability are greatly improved.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a batch sealing device for button lithium batteries, comprising a frame bottom plate, the top of the frame bottom plate is fixedly connected to a frame vertical plate, the top of the frame vertical plate is provided with a frame upper plate, the top of the frame upper plate is installed with a hydraulic cylinder, a punching needle clamp is installed on the output shaft of the hydraulic cylinder, the bottom of the punching needle clamp is provided with a punching needle, the outside of the punching needle is provided with a stripping plate, the inner side of the frame vertical plate is provided with a sealing bin, the inside of the sealing bin is provided with a forming mold clamp, one end of the forming mold clamp is provided with a positioning plate, the top of the positioning plate is movably connected with a turnover disk, and the top of the turnover disk is movably connected with a push disk;

[0005] L-shaped limit plates matching the push plate are welded on both sides of the top of the forming mold clamping plate, a spring groove is opened on the inner side of the L-shaped limit plate, a first spring is installed inside the spring groove, a steel ball is provided at the end of the first spring, the steel ball is movably inserted into the inside of the ball socket, and the ball socket is opened on the edge of the push plate.

[0006] Preferably, a guide hole is provided inside the punching needle clamp, a guide rod is inserted into the guide hole, and the guide rod is fixedly connected between the frame bottom plate and the frame upper plate.

[0007] Preferably, a linear bearing is inserted into the interior of the guide hole, and the linear bearing is sleeved on the exterior of the guide rod.

[0008] Preferably, one end of the positioning plate is fixedly connected to a limiting column, and a limiting hole matching the limiting column is provided at the bottom of the turnover plate.

[0009] Preferably, a second spring is fixedly connected between the bottom of the punch pin clamp and the top of the stripper plate, and a through hole matching the punch pin is provided on the stripper plate.

[0010] Preferably, a working platform is provided at the other end of the forming mold clamping plate, and the top of the working platform and the top of the forming mold clamping plate are arranged on the same horizontal plane.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The present invention is mainly composed of a frame bottom plate, a hydraulic cylinder, a forming die clamping plate, a turnover plate, a push plate and other components. When sealing, the button batteries are arranged in the push plate, and then the turnover plate and the push plate are placed on the positioning plate, and then the push plate and the batteries to be sealed in the push plate are pushed into the sealing bin together, and the hydraulic cylinder is turned on to drive the punching needle to perform the sealing work, and the hydraulic pressure is pressed down to complete the sealing action, and the hydraulic pressure rises and returns to standby, and the battery to be sealed is pushed in. The first tray of sealed batteries and the push plate are pushed out and taken out manually opposite to the sealing device, and the sealing process is completed. Because of the combination of man and machine, both the sealing mold and the sealing stability are greatly improved;

[0013] 2. The present invention arranges L-shaped limit plates on both sides of the top of the forming mold clamping plate to limit the position of the push plate on the forming mold clamping plate. After the push plate is pushed onto the forming mold clamping plate, the spring in the spring groove squeezes the steel ball into the ball socket on the edge of the push plate, which is beneficial to the positioning of the push plate and facilitates the withdrawal of the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure when the push plate of the present invention is located on the top of the forming mold clamping plate;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the stripping plate of the present invention;

[0017] Figure 4 It is a schematic diagram of the structure of the turntable and the push plate of the present invention.

[0018] In the figure: 1. frame bottom plate; 2. frame vertical plate; 3. frame upper plate; 4. hydraulic cylinder; 5. punch pin clamp; 6. punch pin; 7. stripping plate; 8. sealing bin; 9. forming die clamp; 10. positioning plate; 11. turnover plate; 12. push plate; 13. guide rod; 14. guide hole; 15. L-shaped limit plate; 16. spring groove; 17. first spring; 18. steel ball; 19. ball socket; 20. linear bearing; 21. limit column; 22. limit hole; 23. second spring; 24. through hole; 25. working platform. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figures 1 to 4 The present invention provides a technical solution: a batch sealing device for button lithium batteries, comprising a frame bottom plate 1, the top of the frame bottom plate 1 is fixedly connected to a frame vertical plate 2, the top of the frame vertical plate 2 is provided with a frame upper plate 3, the top of the frame upper plate 3 is installed with a hydraulic cylinder 4, the output shaft of the hydraulic cylinder 4 is installed with a punching needle clamp 5, the bottom of the punching needle clamp 5 is provided with a punching needle 6, the outside of the punching needle 6 is provided with a stripping plate 7, the inner side of the frame vertical plate 2 is provided with a sealing bin 8, the inside of the sealing bin 8 is provided with a forming mold clamp 9, one end of the forming mold clamp 9 is provided with a positioning plate 10, the top of the positioning plate 10 is movably connected with a turnover plate 11, the top of the turnover plate 11 is movably connected with a push plate 12, the push plate 12 is arranged with holes matching button batteries for placing batteries;

[0021] L-shaped limit plates 15 matching the push plate 12 are welded on both sides of the top of the forming mold clamping plate 9. A spring groove 16 is opened on the inner side of the L-shaped limit plate 15. A first spring 17 is installed inside the spring groove 16. A steel ball 18 is provided at the end of the first spring 17. The steel ball 18 is movably inserted into the inside of the ball socket 19, and the ball socket 19 is opened on the edge of the push plate 12.

[0022] A guide hole 14 is opened inside the punch needle splint 5, and a guide rod 13 is inserted into the guide hole 14. The guide rod 13 is fixedly connected between the frame bottom plate 1 and the frame upper plate 3. The cooperation between the guide hole 14 and the guide rod 13 is beneficial to limit the angle of the punch needle splint 5 and improve the linearity of the up and down movement of the punch needle splint 5. A linear bearing 20 is inserted into the guide hole 14, and the linear bearing 20 is sleeved on the outside of the guide rod 13. Through the setting of the linear bearing 20, the friction between the guide hole 14 and the guide rod 13 can be reduced.

[0023] A limiting column 21 is fixedly connected to one end of the positioning plate 10, and a limiting hole 22 matching the limiting column 21 is provided at the bottom of the rotating disk 11. The cooperation between the limiting column 21 and the limiting hole 22 is conducive to limiting the position of the rotating disk 11 on the positioning plate 10, so as to facilitate pushing the push plate 12 into the sealing bin 8. A second spring 23 is fixedly connected between the bottom of the punch clamp 5 and the top of the stripper plate 7, and a through hole 24 matching the punch 6 is provided on the stripper plate 7. The through hole 24 facilitates the stripper plate 7 to be sleeved on the outside of the punch 6. The second spring 23 can squeeze the stripper plate 7 to prevent the punch 6 from lifting the battery. A working platform 25 is provided at the other end of the forming mold clamp 9. The top of the working platform 25 is arranged on the same horizontal plane as the top of the forming mold clamp 9, so as to facilitate pushing the sealed push plate 12 onto the working platform 25 to remove the battery.

[0024] Working principle: When sealing, arrange the button cells in the push plate 12, then put the turnover plate 11 and the push plate 12 on the positioning plate 10, and then push the push plate 12 and the batteries to be sealed in the push plate 12 into the sealing bin 8. After pushing the push plate 12 onto the forming die clamping plate 9, the first spring 17 in the spring groove 16 squeezes the steel ball 18 and inserts it into the ball socket 19 on the edge of the push plate 12, which is beneficial to the positioning of the push plate 12. The hydraulic cylinder 4 is turned on to drive the punch 6 to perform the sealing work. The hydraulic cylinder 4 is pressed down to complete the sealing action. The hydraulic cylinder 4 rises and returns to standby, and the battery pushing process to be sealed is repeated. The first tray of sealed batteries and the push plate 12 are pushed out and manually taken out opposite the sealing device. The sealing process is completed. Because of the combination of man and machine, the stability of both the sealing mold and the sealing has been greatly improved.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A batch sealing device for button lithium batteries, comprising a frame bottom plate (1), characterized in that: The top of the frame bottom plate (1) is fixedly connected to a frame vertical plate (2), the top of the frame vertical plate (2) is provided with a frame upper plate (3), the top of the frame upper plate (3) is installed with a hydraulic cylinder (4), the output shaft of the hydraulic cylinder (4) is installed with a punching needle clamp (5), the bottom of the punching needle clamp (5) is provided with a punching needle (6), the outside of the punching needle (6) is provided with a stripping plate (7), the inner side of the frame vertical plate (2) is provided with a sealing bin (8), the inside of the sealing bin (8) is installed with a forming mold clamp (9), one end of the forming mold clamp (9) is provided with a positioning plate (10), the top of the positioning plate (10) is movably connected with a turnover plate (11), and the top of the turnover plate (11) is movably connected with a push plate (12); Both sides of the top of the molding die clamping plate (9) are welded with L-shaped limit plates (15) matching the push plate (12), the inner side of the L-shaped limit plate (15) is provided with a spring groove (16), the interior of the spring groove (16) is provided with a first spring (17), the end of the first spring (17) is provided with a steel ball (18), the steel ball (18) is movably inserted into the interior of a ball socket (19), and the ball socket (19) is provided at the edge of the push plate (12); A guide hole (14) is provided inside the punch needle clamp (5), and a guide rod (13) is inserted inside the guide hole (14). The guide rod (13) is fixedly connected between the frame bottom plate (1) and the frame upper plate (3). A linear bearing (20) is inserted inside the guide hole (14), and the linear bearing (20) is sleeved on the outside of the guide rod (13). One end of the positioning plate (10) is fixedly connected to a limiting column (21), and a limiting hole (22) matching the limiting column (21) is provided at the bottom of the turnover plate (11). A second spring (23) is fixedly connected between the bottom of the punch needle clamp (5) and the top of the stripping plate (7), and a through hole (24) matching the punch needle (6) is provided on the stripping plate (7).

2. A batch sealing device for button lithium batteries according to claim 1, characterized in that: A working platform (25) is provided at the other end of the forming die clamping plate (9), and the top of the working platform (25) and the top of the forming die clamping plate (9) are arranged on the same horizontal plane.

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