Lithium battery liquid injection machine

Abstract

The utility model belongs to the field of lithium battery production, and particularly relates to a lithium battery liquid injection machine. The utility model aims to provide a lithium battery liquid injection machine which is small in occupied area and capable of reducing equipment cost. The lithium battery liquid injection machine comprises an annular base, an air cylinder, a material storage barrel, a rotating ring, a limiting disc, a limiting seat, a gear ring and the like, a vertically-installed air cylinder is fixedly connected to the center of the top of the annular base through bolts, the telescopic end of the air cylinder faces upwards and is connected with a storage barrel, the storage barrel can be connected with the annular base in an up-down sliding mode through a guide rod, a rotating ring is concentrically and rotationally connected to the outer side of the upper portion of the annular base, and a gear ring is concentrically connected to the lower portion of the inner side of the rotating ring. According to the utility model, the motor drives the limiting disc and the limiting seat to rotate, so that the soft package battery rotates for liquid injection, and the position of the soft package battery is limited and adjusted through the position adjusting plate, so that the soft package battery can be filled with liquid at an accurate position.

Description

Technical Field

[0001] This utility model belongs to the field of lithium battery production, and in particular relates to a lithium battery liquid filling machine. Background Technology

[0002] A lithium-ion battery electrolyte filling machine is a specialized device used to inject electrolyte into a lithium-ion battery. This process is a critical step in lithium-ion battery manufacturing because the correct amount and uniformity of electrolyte are essential to ensuring battery performance and safety.

[0003] Patent CN110224106B discloses a soft-pack lithium battery liquid injection machine, belonging to the technical field of lithium battery processing equipment. This machine includes a loading and unloading component, a rotating platform mounted at the discharge end of the loading and unloading component, a positioning liquid injection component mounted on the rotating platform, a clamping and sealing component, and a transmission unloading component located at the discharge end of the rotating platform. The rotating platform has several spaced-apart positioning and clamping components, with each clamping end corresponding one-to-one with the positions of the loading and unloading component, the rotating platform, the positioning liquid injection component, the clamping and sealing component, and the transmission unloading component. This device reduces the footprint of the entire processing equipment while still enabling systematic processing of the soft-pack lithium battery packs. This application achieves four operations—loading, liquid injection, sealing, and unloading—through four stations on the rotating platform. This liquid injection method is currently the most common for soft-pack lithium batteries, although it requires a large footprint and has high equipment costs. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a lithium battery filling machine with a small footprint and reduced equipment cost.

[0005] The technical solution is as follows: A lithium battery filling machine includes an annular base, a cylinder, a storage cylinder, a rotating ring, a limiting plate, a limiting seat, a gear ring, a motor, gears, a connecting frame, a feeding pipe, a baffle, and a position adjusting plate. A vertically mounted cylinder is bolted to the center of the top of the annular base, with the cylinder's extension end facing upwards. The extension end of the cylinder is connected to the storage cylinder, which can slide vertically and vertically with the annular base via a guide rod. A rotating ring is concentrically connected to the outer upper part of the annular base, and a gear ring is concentrically connected to the lower inner part of the rotating ring. A motor is bolted to the annular base. The machine's output shaft is installed facing upwards. A gear that meshes with a gear ring is keyed to the output shaft of the motor. A limit plate is concentrically connected to the upper outer side of the rotating ring, and a limit seat is concentrically connected to the lower outer side of the rotating ring. A row of feed pipes is evenly spaced on the lower left side of the storage cylinder. A connecting frame is fixedly connected to the top left side of the annular base by bolts. A row of baffles is evenly spaced on the upper part of the connecting frame. The baffles pass through the feed pipes and block the discharge holes of the feed pipes. A feed hole is opened at the bottom of the baffles. A position adjustment plate is fixedly connected to the left side of the annular base by bolts. The position adjustment plate extends outwards in an arc shape at both the front and rear.

[0006] To further explain, it also includes a conical head, with conical heads symmetrically installed on the feed pipe, the conical part of the conical head facing downwards.

[0007] To further explain, it also includes a temperature control plate, with a ring of temperature control plates evenly spaced on the outer side of the storage cylinder.

[0008] To further explain, it also includes an arc-shaped feed plate. The arc-shaped feed plate is fixedly connected to the rear side of the annular base by bolts, and the arc-shaped feed plate extends arc-shaped towards the downward feed tube.

[0009] To further explain, it also includes a cleaning brush, which is installed at the bottom of the arc-shaped feed plate, with the bottom of the cleaning brush contacting the top of the limiting plate.

[0010] To further explain, it also includes a cleaning cylinder. The cleaning cylinder is installed at the bottom of the arc-shaped feed plate and extends towards the limiting seat. The bottom of the cleaning cylinder is in contact with the top of the limiting seat.

[0011] Beneficial effects: This utility model uses a motor to drive the limiting plate and limiting seat to rotate, so that the soft-pack battery rotates for liquid injection. The position adjustment plate limits and adjusts the position of the soft-pack battery to ensure that the soft-pack battery can be injected with liquid in the accurate position. At the same time, the arc-shaped feeding plate can automatically push out the soft-pack battery after filling. There is no need to set up a special discharge mechanism, the equipment size is smaller, and the equipment cost is reduced. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0013] Figure 2 This is a three-dimensional structural diagram of the internal structure of this utility model.

[0014] Figure 3 This is a three-dimensional structural diagram of part A of this utility model.

[0015] Figure 4 This is a three-dimensional structural schematic diagram of the present invention from another perspective.

[0016] The meanings of the labels in the attached diagram are as follows: 1: Annular base, 2: Cylinder, 3: Storage cylinder, 4: Rotating ring, 5: Limiting plate, 6: Limiting seat, 7: Gear ring, 8: Motor, 9: Gear, 10: Connecting frame, 11: Feeding pipe, 111: Conical head, 12: Baffle, 13: Feeding hole, 14: Temperature control plate, 15: Position adjustment plate, 16: Arc-shaped feeding plate, 17: Cleaning brush, 18: Cleaning cylinder. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example: A lithium battery liquid filling machine, such as Figures 1-4As shown, the system includes an annular base 1, a cylinder 2, a storage cylinder 3, a rotating ring 4, a limiting disc 5, a limiting seat 6, a gear ring 7, a motor 8, a gear 9, a connecting frame 10, a feeding pipe 11, a conical head 111, a baffle 12, a temperature control plate 14, a position adjusting plate 15, an arc-shaped feeding plate 16, a cleaning brush 17, and a cleaning cylinder 18. A vertically mounted cylinder 2 is bolted to the center of the top of the annular base 1. The telescopic end of the cylinder 2 faces upwards, and the telescopic end of the cylinder 2 is connected to the storage cylinder 3. A temperature control plate 14 is evenly spaced on the outer side of the 3. The storage cylinder 3 can slide up and down to the annular base 1 via a guide rod. A rotating ring 4 is concentrically rotatably connected to the upper outer side of the annular base 1. A gear ring 7 is concentrically connected to the lower inner side of the rotating ring 4. A motor 8 is fixedly connected to the annular base 1 by bolts. The output shaft of the motor 8 is installed facing upwards. A gear 9 that meshes with the gear ring 7 is keyed to the output shaft of the motor 8. A limit plate 5 is concentrically connected to the upper outer side of the rotating ring 4. A limit plate 5 is concentrically connected to the lower outer side of the rotating ring 4. The core is connected to the limiting seat 6. A row of feed pipes 11 is evenly spaced on the lower left side of the storage cylinder 3. Conical heads 111 are symmetrically installed on the feed pipes 11, with the conical part of the conical head 111 facing downward. A connecting frame 10 is fixedly connected to the top left side of the annular base 1 by bolts. A row of baffles 12 is evenly spaced on the upper part of the connecting frame 10. The baffles 12 pass through the feed pipes 11 and block the discharge hole of the feed pipes 11. A feed hole 13 is opened at the bottom of the baffles 12. The left side of the annular base 1 is connected by bolts. A position adjustment plate 15 is fixedly connected to the bolt. The position adjustment plate 15 extends outward in an arc shape at both the front and rear. An arc-shaped feed plate 16 is fixedly connected to the rear side of the annular base 1 by bolts. The arc-shaped feed plate 16 extends in an arc shape towards the feed tube 11. A cleaning brush 17 is installed at the bottom of the arc-shaped feed plate 16. The bottom of the cleaning brush 17 contacts the top of the limiting plate 5. A cleaning cylinder 18 is installed at the lower part of the arc-shaped feed plate 16. The cleaning cylinder 18 extends towards the limiting seat 6. The bottom of the cleaning cylinder 18 fits against the top of the limiting seat 6.

[0019] When filling the soft-pack battery with liquid, liquid is added to the storage cylinder 3, and the top of the storage cylinder 3 can be covered by the cover plate. The temperature control plate 14 is then activated to maintain the required temperature of the liquid in the storage cylinder 3. Subsequently, the motor 8 is controlled to rotate counterclockwise, which in turn drives the gear 9 to rotate counterclockwise, thereby driving the gear ring 7 to rotate clockwise, which in turn drives the rotating ring 4 to rotate clockwise, causing the limiting plate 5 and the limiting seat 6 to rotate clockwise. At this time, the soft-pack battery is placed on the limiting plate 5 on the right side of the position adjustment plate 15. On the limiting seat 6, the soft-pack batteries are placed within the intervals of the limiting plate 5, with the bottom of the soft-pack batteries on the limiting seat 6. When the soft-pack batteries rotate to contact the position adjusting plate 15, the position adjusting plate 15 pushes the soft-pack batteries to move towards the center. After each soft-pack battery contacts the position adjusting plate 15, it is pushed to the same position. When the liquid injection port of the soft-pack batteries, which is the same number as the number of soft-pack batteries in the feeding pipe 11, rotates to below the feeding pipe 11, the control motor 8 stops working. At this time, the control cylinder 2 shortens, driving the storage cylinder 3 to move downwards, and the batteries are discharged. The tube 11 extends into the liquid filling port of the soft-pack battery, while the conical head 111 is inserted into the gap at the top of the soft-pack battery. The conical surface of the conical head 111 repositions the soft-pack battery. When the discharge hole of the feeding tube 11 coincides with the feeding hole 13, the control cylinder 2 stops working. At this time, the liquid in the storage cylinder 3 enters the soft-pack battery through the feeding tube 11. After the liquid is added to the soft-pack battery, the control cylinder 2 extends and resets, driving the feeding tube 11 to move upward and reset. At this time, the baffle 12 blocks the feeding hole again. 13. The feeding tube 11 stops feeding, and then the control motor 8 continues to rotate counterclockwise. At this time, the soft-pack battery after liquid injection rotates to contact the arc-shaped feeding plate 16. The arc-shaped feeding plate 16 pushes the soft-pack battery after liquid injection outward to complete the feeding. When the limit plate 5 rotates, the cleaning brush 17 cleans the surface of the limit plate 5. When the limit seat 6 rotates, the cleaning cylinder 18 cleans the limit seat 6. This process is repeated. After the soft-pack battery is fully injected with liquid, the control motor 8 and the temperature control plate 14 stop working.

[0020] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A lithium battery filling machine, comprising an annular base (1), a cylinder (2), a storage cylinder (3), a rotating ring (4), a limiting disc (5), a limiting seat (6), a gear ring (7), a motor (8), and a gear (9), wherein the top of the annular base (1) is fixedly connected to a vertically mounted cylinder (2), the telescopic end of the cylinder (2) is connected to the storage cylinder (3), the upper outer side of the annular base (1) is rotatably connected to the rotating ring (4), the lower inner side of the rotating ring (4) is connected to the gear ring (7), the annular base (1) is fixedly connected to a motor (8), the output shaft of the motor (8) is keyed to a gear (9) meshing with the gear ring (7), the upper outer side of the rotating ring (4) is connected to a limiting disc (5), and the lower outer side of the rotating ring (4) is connected to a limiting seat (6), characterized in that: It also includes a connecting frame (10), a feeding pipe (11), a baffle (12) and a position adjustment plate (15). A row of feeding pipes (11) is evenly spaced on the lower left side of the storage cylinder (3). A connecting frame (10) is fixedly connected to the top left side of the annular base (1). A row of baffles (12) is evenly spaced on the upper part of the connecting frame (10). The baffles (12) pass through the feeding pipe (11) and block the discharge hole of the feeding pipe (11). A feeding hole (13) is opened at the bottom of the baffle (12). A position adjustment plate (15) is fixedly connected to the left side of the annular base (1). The position adjustment plate (15) extends outward in an arc shape at both the front and rear.

2. A lithium battery electrolyte filling machine according to claim 1, characterized in that: It also includes a conical head (111), which is symmetrically installed on the feed tube (11), with the conical part of the conical head (111) facing downward.

3. A lithium battery liquid filling machine according to claim 2, characterized in that: It also includes a temperature control plate (14), and a ring of temperature control plates (14) is evenly spaced on the outer side of the storage cylinder (3).

4. A lithium battery filling machine according to claim 3, characterized in that: It also includes an arc-shaped feed plate (16), which is fixedly connected to the rear side of the annular base (1) by bolts. The arc-shaped feed plate (16) extends arc-shapedly towards the lower feed tube (11).

5. A lithium battery electrolyte filling machine according to claim 4, characterized in that: It also includes a cleaning brush (17), which is installed at the bottom of the arc-shaped feed plate (16), and the bottom of the cleaning brush (17) contacts the top of the limiting plate (5).

6. A lithium battery electrolyte filling machine according to claim 5, characterized in that: It also includes a cleaning cylinder (18), which is installed on the lower part of the arc-shaped feed plate (16). The cleaning cylinder (18) extends towards the limiting seat (6), and the bottom of the cleaning cylinder (18) is in contact with the top of the limiting seat (6).

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