Cap placing and welding equipment for lithium battery production and processing

Abstract

The invention discloses cap placing and welding equipment for lithium battery production and processing, and belongs to the technical field of lithium battery production and processing equipment.The cap placing and welding equipment comprises a case, a mounting frame is connected to one side of the case, a first electric telescopic rod is mounted on the mounting frame, a welding gun is connected to the output end of the first electric telescopic rod, and a first motor is mounted on the inner side of the case; the output end of the first motor is connected with a rotating disc located at the top of the case, a plurality of battery grooves distributed circumferentially at equal intervals are formed in the rotating disc, a cap groove is formed in one end of each battery groove, a welding groove is formed between each battery groove and the corresponding cap groove, and the welding gun is located at the top of the welding groove. Through the arrangement of the battery groove, the cap groove and the welding groove, during use, a battery is placed in the battery groove, a cap is placed in the cap groove, welding pieces of the battery and the cap are placed in the welding groove, the first motor drives the rotary disc to rotate to the position below the welding gun, the first electric telescopic rod drives the position below the welding gun for welding, and manual welding is not needed; and the welding efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to a lithium battery production and processing device, in particular to a cap placement and welding device for lithium battery production and processing, belonging to the technical field of lithium battery production and processing equipment. Background Technique

[0002] Lithium batteries are a type of battery with lithium metal or lithium alloy as the positive and negative electrode materials and using a non-aqueous electrolyte solution. The production and processing of cylindrical lithium batteries include electrode preparation, cell preparation, and battery encapsulation.

[0003] During battery encapsulation, the cell and the cap need to be welded first, then the electrolyte is injected, and finally, the sealing and welding are carried out. The cap mainly consists of a top cover, a hole plate, an explosion-proof sheet, and a sealing ring, and has the function of protecting the battery.

[0004] Since the positions of the welding pieces on the cap and the cell are not fixed, the existing method of welding the cap requires manual welding of the cap on the lithium battery, resulting in low production efficiency. Therefore, there is an urgent need for a cap placement and welding device for lithium battery production and processing that can fix the lithium battery.

[0005] The present invention proposes a new solution. Summary of the Invention

[0006] The main purpose of the present invention is to solve the deficiencies of the existing technology and provide a cap placement and welding device for lithium battery production and processing.

[0007] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0008] A cap placement and welding device for lithium battery production and processing, including a chassis. One side of the chassis is connected with a mounting frame, on which a first electric telescopic rod is installed. The output end of the first electric telescopic rod is connected with a welding gun. A first motor is installed inside the chassis, and the output end of the first motor is connected with a turntable located on the top of the chassis. The turntable is provided with a plurality of battery slots evenly distributed in a circumferential manner at equal intervals. One end of the battery slot is provided with a cap slot, and a welding slot is provided between the battery slot and the cap slot. The welding gun is located above the welding slot.

[0009] Preferably, a temporary storage slot is provided in the middle of the turntable.

[0010] Preferably, on the opposite sides of the battery slot and the cap slot, there are welding piece correction slots communicating with the welding slot.

[0011] Preferably, a protective curtain is provided on the mounting frame outside the welding gun.

[0012] Preferably, an opening is provided in the middle of the battery slot, a second electric telescopic rod is installed on the chassis, and the output end of the second electric telescopic rod is fixedly connected to an arc-shaped top plate located inside the opening.

[0013] Preferably, a transfer mechanism is provided above the arc-shaped top plate. The transfer mechanism includes a second motor installed on the chassis, and the output end of the second motor is connected to a rotating shaft located above the turntable.

[0014] Preferably, a square shell is fixedly connected to the middle of the rotating shaft. A negative pressure pump is installed inside the square shell, and a plurality of uniformly distributed transfer blocks are connected to the outer wall of the square shell.

[0015] Preferably, air holes connected to the negative pressure pump are provided on the transfer blocks.

[0016] Preferably, arc-shaped grooves are formed on the transfer blocks.

[0017] Preferably, a mounting plate rotatably connected to the rotating shaft is fixedly connected to the top of the chassis.

[0018] The beneficial technical effects of the present invention: According to the cap placement and welding equipment for lithium battery production and processing of the present invention, through the settings of the battery slot, cap slot and welding slot, when in use, the battery is placed in the battery slot and the cap is placed in the cap slot, and the welding pieces of the battery and the cap are placed in the welding slot. As the first motor drives the turntable to rotate under the welding torch, the first electric telescopic rod drives the welding torch to perform welding below, eliminating the need for manual welding and improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment provided according to the present invention;

[0020] Figure 2 It is a sectional view of the overall structure of a preferred embodiment provided according to the present invention;

[0021] Figure 3 It is a sectional view of the overall structure of a preferred embodiment provided according to the present invention;

[0022] Figure 4 It is an exploded view of the overall structure of a preferred embodiment provided according to the present invention;

[0023] Figure 5 It is a schematic diagram of the turntable structure of a preferred embodiment provided according to the present invention;

[0024] Figure 6 It is a schematic diagram of the square shell structure of a preferred embodiment provided according to the present invention.

[0025] In the figure: 1, chassis; 2, mounting bracket; 3, welding torch; 4, first motor; 5, turntable; 6, battery slot; 7, cap slot; 8, welding slot; 9, first electric telescopic rod; 10, temporary storage slot; 11, solder tab correction slot; 12, protective curtain; 13, opening; 14, second electric telescopic rod; 15, arc-shaped top plate; 16, second motor; 17, rotating shaft; 18, square shell; 19, transfer block; 20, air hole; 21, arc-shaped groove; 22, mounting plate. Detailed implementation manner

[0026] To make the technical solutions of the present invention clearer and more definite to those skilled in the art, the present invention will be further described in detail below in conjunction with embodiments and the accompanying drawings. However, the implementation manners of the present invention are not limited thereto.

[0027] As Figures 1-6 shown, the cap placing and welding equipment for lithium battery production and processing provided in this embodiment, a cap placing and welding equipment for lithium battery production and processing, includes a chassis 1. One side of the chassis 1 is connected with a mounting bracket 2. A first electric telescopic rod 9 is installed on the mounting bracket 2. The output end of the first electric telescopic rod 9 is connected with a welding torch 3. A first motor 4 is installed inside the chassis 1. The output end of the first motor 4 is connected with a turntable 5 located on the top of the chassis 1. The turntable 5 is provided with a plurality of battery slots 6 evenly distributed at equal intervals in a circumferential manner. One end of the battery slot 6 is provided with a cap slot 7. A welding slot 8 is provided between the battery slot 6 and the cap slot 7. The welding torch 3 is located above the welding slot 8. Through the settings of the battery slot 6, the cap slot 7 and the welding slot 8, during use, the battery is placed in the battery slot 6, the cap is placed in the cap slot 7, and the welding tabs of the battery and the cap are placed in the welding slot 8. As the first motor 4 drives the turntable 5 to rotate under the welding torch 3, the first electric telescopic rod 9 drives the welding torch 3 to perform welding below, eliminating the need for manual welding and improving the welding efficiency.

[0028] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, a temporary storage slot 10 is provided in the middle of the turntable 5. Solder tab correction slots 11 communicating with the welding slot 8 are provided on both sides of the battery slot 6 and the cap slot 7 opposite to each other. A protective curtain 12 located outside the welding torch 3 is provided on the mounting bracket 2. The temporary storage slot 10 is used to store caps, facilitating the staff to quickly place them in the cap slot 7. The solder tab correction slots 11 can facilitate the staff to control the angles of the welding tabs on the battery and the cap, enabling the two to be stacked in the welding slot 8 for convenient welding. The protective curtain 12 prevents harm to personnel during welding.

[0029] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, an opening 13 is provided in the middle of the battery slot 6. A second electric telescopic rod 14 is installed on the chassis 1. The output end of the second electric telescopic rod 14 is fixedly connected to an arc-shaped top plate 15 located inside the opening 13. A transfer mechanism is provided above the arc-shaped top plate 15. The transfer mechanism includes a second motor 16 installed on the chassis 1. The output end of the second motor 16 is connected to a rotating shaft 17 located above the turntable 5. A square shell 18 is fixedly connected to the middle of the rotating shaft 17. A negative pressure pump is installed inside the square shell 18. A plurality of evenly distributed transfer blocks 19 are connected to the outer wall of the square shell 18. Air holes 20 connected to the negative pressure pump are provided on the transfer blocks 19. An arc-shaped groove 21 is formed on the transfer blocks 19. A mounting plate 22 rotatably connected to the rotating shaft 17 is fixedly connected to the top of the chassis 1. During use, the second electric telescopic rod 14 pushes the arc-shaped top plate 15 upward, pushing the welded battery upward and into the arc-shaped groove 21 of the transfer block 19. The negative pressure pump is started to adsorb the battery through the air holes 20. The second motor 16 drives the rotating shaft 17 to rotate, flipping the battery. After the battery is separated from the turntable 5, the negative pressure pump is turned off, and the battery automatically slides down.

[0030] In this embodiment, as Figures 1-6 shown, the working process of a cap placing and welding device for lithium battery production and processing provided in this embodiment is as follows:

[0031] Step 1: During use, place the battery in the battery slot 6 and the cap in the cap slot 7, so that the welding pieces of the battery and the cap are snapped into the solder piece correction slot 11, and the two are stacked and placed in the welding slot 8;

[0032] Step 2: The first motor 4 drives the turntable 5 to rotate to below the welding torch 3, and the first electric telescopic rod 9 drives the welding torch 3 to perform welding below;

[0033] Step 3: The first motor 4 drives the turntable 5 to continue rotating to the arc-shaped top plate 15. The second electric telescopic rod 14 pushes the arc-shaped top plate 15 upward, pushing the welded battery upward and into the arc-shaped groove 21 of the transfer block 19. The negative pressure pump is started to adsorb the battery through the air holes 20. The second motor 16 drives the rotating shaft 17 to rotate, flipping the battery away from the turntable 5. The negative pressure pump is turned off, and the battery automatically slides down.

[0034] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the scope disclosed by the present invention, according to the technical solution and concept of the present invention, makes equivalent substitutions or changes, all belong to the protection scope of the present invention.

Claims

1. A capping placement and welding device for lithium battery production and processing, including a chassis (1), one side of the chassis (1) is connected with a mounting frame (2), a first electric telescopic rod (9) is installed on the mounting frame (2), and the output end of the first electric telescopic rod (9) is connected with a welding torch (3), characterized in that, A first motor (4) is installed inside the chassis (1). The output end of the first motor (4) is connected to a turntable (5) located at the top of the chassis (1). A plurality of battery slots (6) are arranged on the turntable (5) at equal intervals in a circumferential manner. One end of the battery slot (6) is provided with a cap slot (7). A welding slot (8) is arranged between the battery slot (6) and the cap slot (7). The welding torch (3) is located above the welding slot (8).

2. The cap placing and welding device for lithium battery production and processing according to claim 1, wherein A temporary storage slot (10) is arranged in the middle of the turntable (5).

3. A capping placement and welding device for lithium battery production and processing according to claim 1, characterized in that, On the opposite sides of the battery slot (6) and the cap slot (7), a welding tab correction slot (11) communicating with the welding slot (8) is provided respectively.

4. A capping placing and welding device for lithium battery production and processing according to claim 1, characterized in that, A protective curtain (12) is arranged on the mounting bracket (2) outside the welding torch (3).

5. A capping placing and welding device for lithium battery production and processing according to claim 1, characterized in that, An opening (13) is arranged in the middle of the battery slot (6). A second electric telescopic rod (14) is installed on the chassis (1). The output end of the second electric telescopic rod (14) is fixedly connected to an arc-shaped top plate (15) located inside the opening (13).

6. The cap placing and welding equipment for lithium battery production and processing according to claim 5, characterized in that, Above the arc-shaped top plate (15), a transfer mechanism is provided. The transfer mechanism includes a second motor (16) installed on the chassis (1). The output end of the second motor (16) is connected to a rotating shaft (17) located above the turntable (5).

7. A capping placement and welding device for lithium battery production and processing according to claim 6, characterized in that, A square shell (18) is fixedly connected to the middle of the rotating shaft (17). A negative pressure pump is installed inside the square shell (18). A plurality of uniformly distributed transfer blocks (19) are connected to the outer wall of the square shell (18).

8. A capping placing and welding device for lithium battery production and processing according to claim 7, characterized in that, An air hole (20) connected to the negative pressure pump is arranged on the transfer block (19).

9. The cap placing and welding equipment for lithium battery production and processing according to claim 8, wherein, An arc-shaped groove (21) is formed in the transfer block (19).

10. A capping placing and welding device for lithium battery production and processing according to claim 6, characterized in that, A mounting plate (22) rotatably connected to the rotating shaft (17) is fixedly connected to the top of the chassis (1).

Images