Liquid injection device for medium-high specific energy battery production

Abstract

The utility model discloses a liquid injection device for medium-high specific energy battery production, which comprises a device frame, and a top plate is arranged at the top end of the device frame. When the liquid injection device for medium-high specific energy battery production is used, a servo motor can be started to drive a worm to rotate, and a mounting column and a movable plate can be driven to rotate at the top end of a mounting seat by utilizing meshed gear rings while the worm rotates; during rotation, the battery shell which is filled at the rear end of the top of the movable plate can be rotated rightwards and moved out of the filling position, then the shell which is not filled on the left side enters the filling position for continuous filling, in the filling process, the filled shell can be taken down on the right side, the shell which is not filled is installed in the support at the front end, and the filling shell is rotated and switched; and the electrolyte filling work can be continuously carried out, the electrolyte filling processing efficiency of the medium-high specific energy battery is improved, and the problem that continuous electrolyte filling processing is inconvenient to carry out on a plurality of groups of battery shells is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production and processing, in particular to a liquid injection device for producing medium- and high-energy-density batteries. Background Art

[0002] Medium- and high-energy-density batteries usually refer to batteries with higher energy density than ordinary batteries. Compared with ordinary batteries, they can store more electrical energy in a smaller volume and weight. They include some lithium-ion batteries, polymer batteries, and sodium-ion batteries, etc. Different types of batteries also have different performance and characteristics. In order to facilitate the addition of electrolyte during the production and processing of some high-energy-density lithium batteries, an injection device is required to add electrolyte to the inside of the lithium-ion battery shell.

[0003] However, when the liquid injection device for the production of medium and high energy density batteries is used to fill the electrolyte inside the battery shell, it is generally a single-group battery shell single-station back and forth disassembly and assembly operation, the battery shell after filling is removed, and then the unfilled shell is reinstalled and fixed for injection. The liquid injection process has low continuity and low production efficiency. There are shortcomings and it is not convenient to carry out continuous electrolyte filling processing on multiple groups of battery shells.

[0004] Now, a new type of liquid injection device for producing medium- and high-energy-density batteries is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a liquid injection device for producing medium-high specific energy batteries, so as to solve the problem inconvenient to continuously inject electrolyte into multiple battery shells proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid injection device for the production of medium and high energy density batteries, including a device frame, a top plate is arranged at the top of the device frame, and brackets are vertically welded and fixed at the four corners of the bottom end of the top plate, the bottom end of the bracket is installed and fixed between the top end of the device frame, a mounting seat is installed at the top of the device frame, and a movable plate is arranged at the top of the mounting seat, supports are respectively installed and fixed on both sides and both ends of the top of the movable plate, a mounting column is fixedly installed at the bottom end of the movable plate, and a gear ring is installed on the outside of the mounting column, a worm is movably connected to the right side of the inside of the mounting seat, and a servo motor is fixed to the right side of the rear end of the mounting seat.

[0007] Preferably, the bottom end of the mounting column is movably connected to the bottom end inside the mounting seat.

[0008] Preferably, the output shaft of the servo motor is fixedly connected to the rear end of the worm, and the worm is meshingly connected to the mounting column.

[0009] Preferably, clamping plates are respectively provided on both sides of the bottom end of the support, the bottom end of the support is laterally movably connected with a bidirectional lead screw, and the two sides of the outside of the bidirectional lead screw are respectively threadedly connected with threaded sleeves, a limiting groove is provided at the bottom end of the support, and the right side of the bidirectional lead screw passes through the right side of the support and is fixed with a turning handle.

[0010] Preferably, the limiting groove passes through the interior of the support, and the top end of the threaded sleeve passes through the interior of the limiting groove and is installed and fixed between the bottom end of the clamping plate.

[0011] Preferably, a lifting plate is provided at the rear end of the bottom of the top plate, and a dispensing tube is fixedly installed at the bottom end of the lifting plate, a plurality of injection tubes are fixedly installed at the bottom end of the dispensing tube, and an electromagnetic valve is installed on the injection tube, a top cover is provided at the bottom end of the dispensing tube, and a through groove is provided at the middle position of the top end of the top cover, mounting holes are respectively provided inside on both sides of the top end of the top cover, rings are respectively sleeved and fixed on both sides of the outside of the dispensing tube, and a support rod is fixed at the bottom end of the ring, and cylinders are respectively installed and fixed on both sides of the top end of the top plate.

[0012] Preferably, the support and the through groove respectively penetrate the interior of the top cover, the bottom end of the support rod penetrates and is fixed in the interior of the mounting hole, the injection tube penetrates the interior of the through groove, and the support rod and the ring are made of soft silicone material.

[0013] Preferably, the output end of the bottom of the cylinder is fixedly installed between the top of the lifting plate, and a liquid infusion hose is fixedly installed on the right side of the liquid dispensing tube.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the liquid injection device for producing medium-high specific energy batteries not only facilitates continuous electrolyte filling processing of multiple battery shells, facilitates rapid positioning, clamping and fixing of battery shells when electrolyte is filled, but also facilitates splash prevention when electrolyte is filled;

[0015] (1) The device is provided with a movable plate, a mounting seat, a gear ring, a mounting column, a servo motor, a support and a worm. When the electrolyte is injected into the high-energy-density battery shell, the four battery shells are clamped inside the support, and the cylinder is controlled to start to push the lifting plate, the liquid dispensing tube and the liquid injection tube down to the top of the battery shell. During the injection, the electrolyte is supplied by the infusion hose, and the solenoid valve on the liquid injection tube is controlled to open, and the electrolyte is injected into the battery shell through the liquid dispensing tube and the liquid injection tube. After the injection is completed, the solenoid valve closes the liquid injection tube to stop the injection, and then the cylinder is started to drive the liquid injection tube to move up to the initial position The servo motor can start to drive the worm to rotate, and the meshing gear ring can be used to drive the mounting column and the movable plate to rotate at the top of the mounting seat while the worm rotates. The battery shell at the rear end of the top of the movable plate that has been filled can be rotated to the right to move out of the filling position, and then the unfilled shell on the left side enters the filling position for further filling. During the filling process, the filled shell can be removed on the right side, and the unfilled shell can be reinstalled in the support at the front end. By rotating and switching the filling shell, the electrolyte filling work can be carried out continuously and uninterruptedly, thereby improving the electrolyte filling processing efficiency of high-energy-density batteries.

[0016] (2) By providing a support, a clamping plate, a limiting groove, a rotating handle, a threaded sleeve and a bidirectional screw, when the high-energy-density battery shell is filled, the shell part can be placed inside the support, and then the rotating handle can be turned to drive the bidirectional screw to rotate. While the bidirectional screw rotates, the threaded sleeve connected by the thread can be used to drive the clamping plate to move inward at the same time, and the battery shell can be quickly clamped and fixed inside the support. At the same time, after clamping, the shell can be automatically positioned in the middle position, which is convenient for filling the electrolyte. The two sets of adjustable position clamping plates can also be used to clamp and position high-energy-density battery shells of different sizes;

[0017] (3) By providing a top cover, a support rod, a collar, a lifting plate, a liquid dispensing tube, a liquid injection tube, a mounting hole and a through groove, during the filling process, when the provided cylinder is started to drive the liquid injection tube to move down to the inside of the shell, the top cover can move down together and can cover the top of the filling shell. When filling into the battery shell, the top of the shell can be covered and closed to assist in preventing the electrolyte from splashing out of the shell, thereby improving the safety during filling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the enlarged structure of the mounting seat of the utility model from top view;

[0020] Figure 3 It is a schematic diagram of the enlarged structure of the support of the utility model from top view;

[0021] Figure 4 This is a schematic diagram of the enlarged front view of the bidirectional lead screw of the utility model;

[0022] Figure 5 It is a schematic diagram of the enlarged structure of the through slot of the utility model when viewed from top.

[0023] In the figure: 1. device frame; 2. mounting base; 3. movable plate; 4. bracket; 5. support; 6. top cover; 7. support rod; 8. collar; 9. lifting plate; 10. dispensing tube; 11. cylinder; 12. top plate; 13. infusion hose; 14. solenoid valve; 15. injection tube; 16. gear ring; 17. mounting column; 18. servo motor; 19. worm; 20. splint; 21. limit groove; 22. turning handle; 23. threaded sleeve; 24. bidirectional lead screw; 25. mounting hole; 26. through groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-5 A liquid injection device for producing medium- and high-energy-density batteries, comprising a device frame 1, a top plate 12 is arranged at the top of the device frame 1, and brackets 4 are respectively welded and fixed vertically at the four corners of the bottom end of the top plate 12, the bottom end of the bracket 4 is fixedly installed between the top end of the device frame 1, a mounting seat 2 is arranged at the top of the device frame 1, and a movable plate 3 is arranged at the top of the mounting seat 2, and supports 5 are respectively fixedly installed on both sides and both ends of the top of the movable plate 3, a mounting column 17 is fixedly installed at the bottom end of the movable plate 3, and a gear ring 16 is assembled on the outside of the mounting column 17, a worm 19 is movably connected to the right side of the inside of the mounting seat 2, and a servo motor 18 is fixedly installed on the right side of the rear end of the mounting seat 2;

[0026] The bottom end of the mounting column 17 is movably connected to the bottom end of the interior of the mounting seat 2;

[0027] The output shaft of the servo motor 18 is fixedly connected to the rear end of the worm 19, and the worm 19 is meshedly connected to the mounting column 17;

[0028] Specifically, Figure 1-Figure 3As shown, after the four battery shells are clamped inside the support 5, the cylinder 11 can be controlled to start to push the lifting plate 9, the dispensing tube 10 and the injection tube 15 down to the top of the battery shell. During injection, the electrolyte is supplied by the infusion hose 13, and the solenoid valve 14 on the injection tube 15 is controlled to open, and the electrolyte is injected into the battery shell through the dispensing tube 10 and the injection tube 15. After the injection is completed, the solenoid valve 14 closes the injection tube 15 to stop the injection, and then the cylinder 11 is started to drive the injection tube 15 to move up to the initial position, and the servo motor 18 can be started at the same time. The worm 19 is driven to rotate. While the worm 19 is rotating, the meshing gear ring 16 can be used to drive the mounting column 17 and the movable plate 3 to rotate at the top of the mounting seat 2. While rotating, the battery shell at the rear end of the top of the movable plate 3 that has been filled can be rotated to the right and moved out of the filling position. Then the unfilled shell on the left side enters the filling position for further filling. During the filling process, the filled shell can be removed on the right side, and the unfilled shell can be reinstalled in the support 5 at the front end. By rotating and switching the filling shell, the electrolyte filling work can be carried out continuously and uninterruptedly.

[0029] Embodiment 2: Clamps 20 are respectively arranged on both sides of the bottom end of the support 5, a bidirectional lead screw 24 is movably connected to the inside of the bottom end of the support 5, and threaded sleeves 23 are respectively threadedly connected to the two sides of the outside of the bidirectional lead screw 24, and a limiting groove 21 is provided at the bottom end of the support 5, the right side of the bidirectional lead screw 24 passes through the right side of the support 5 and is fixedly installed with a rotating handle 22, the limiting groove 21 passes through the inside of the support 5, and the top end of the threaded sleeve 23 passes through the inside of the limiting groove 21 and is fixedly installed between the bottom end of the clamp 20;

[0030] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, after the shell member is placed inside the support 5, the handle 22 can be rotated to drive the bidirectional screw 24 to rotate. While the bidirectional screw 24 rotates, the threaded sleeve 23 connected by thread can be used to drive the clamping plate 20 to move inward at the same time, and the battery shell can be quickly clamped and fixed inside the support 5. At the same time, the shell can be automatically positioned in the middle position after clamping.

[0031] Embodiment 3: A lifting plate 9 is provided at the rear end of the bottom of the top plate 12, and a liquid dispensing tube 10 is fixedly installed at the bottom end of the lifting plate 9, a plurality of groups of liquid injection tubes 15 are fixedly installed at the bottom end of the liquid dispensing tube 10, and a solenoid valve 14 is installed on the liquid injection tube 15, a top cover 6 is provided at the bottom end of the liquid dispensing tube 10, and a through groove 26 is provided at the middle position of the top end of the top cover 6, and mounting holes 25 are respectively provided inside the two sides of the top end of the top cover 6, and collars 8 are respectively sleeved and fixed on the two sides of the outside of the liquid dispensing tube 10, and a support rod 7 is fixed at the bottom end of the collar 8, and a cylinder 11 is respectively fixedly installed on the two sides of the top end of the top plate 12, the support 5 and the through groove 26 respectively penetrate the interior of the top cover 6, the bottom end of the support rod 7 penetrates and is fixed in the interior of the mounting hole 25, and the liquid injection tube 15 penetrates the interior of the through groove 26, the support rod 7 and the collar 8 are made of soft silicone, the output end of the bottom of the cylinder 11 is fixedly installed between the top end of the lifting plate 9, and an infusion hose 13 is fixedly installed on the right side of the liquid dispensing tube 10;

[0032] Specifically, Figure 1 and Figure 5 As shown, when the cylinder 11 is started to drive the filling pipe 15 to move down to the inside of the shell, the top cover 6 can move down together and cover the top of the filling shell. When filling into the battery shell, the top of the shell can be auxiliary covered and closed to prevent the electrolyte from splashing out of the shell.

[0033] Working principle: When the utility model is in use, when clamping and fixing the high-energy-density battery shell for filling, after the shell part is placed inside the support 5, the handle 22 can be rotated to drive the bidirectional screw 24 to rotate. While the bidirectional screw 24 rotates, the threaded sleeve 23 connected by thread can be used to drive the clamping plate 20 to move inward at the same time, and the battery shell can be quickly clamped and fixed inside the support 5. At the same time, the shell can be automatically positioned in the middle position after clamping. When the electrolyte is injected into the high-energy-density battery shell, after the four groups of battery shells are clamped inside the support 5, the cylinder 11 can be controlled to start pushing the lifting plate 9, the dispensing tube 10 and the injection tube 15 down to the top of the battery shell. During injection, the electrolyte is supplied by the infusion hose 13, and the solenoid valve 14 on the injection tube 15 is controlled to open, and the electrolyte is injected into the battery shell through the dispensing tube 10 and the injection tube 15. After the filling is completed, the solenoid valve 14 closes the injection tube 15 to stop the filling, and then When the cylinder 11 is started, the injection pipe 15 is moved up to the initial position, and the servo motor 18 can be started to drive the worm 19 to rotate. When the worm 19 rotates, the meshing gear ring 16 can be used to drive the mounting column 17 and the movable plate 3 to rotate at the top of the mounting seat 2. At the same time, the battery shell at the top rear end of the movable plate 3 where the filling is completed can be rotated to the right and moved out of the filling position, and then the unfilled shell on the left side enters the filling position for further filling. During the filling process, the filled shell can be removed on the right side, and the unfilled shell can be reinstalled in the support 5 at the front end. By rotating and switching the filling shell, the electrolyte filling work can be carried out continuously and uninterruptedly, and during the filling process, when the set cylinder 11 starts to drive the injection pipe 15 to move down to the inside of the shell, the top cover 6 can move down together and cover the top of the filling shell. When filling the inside of the battery shell, the top of the shell can be covered and closed to prevent the electrolyte from splashing out of the shell.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A liquid injection device for producing medium- and high-energy-density batteries, comprising a device frame (1), characterized in that: A top plate (12) is provided at the top of the device frame (1), and brackets (4) are vertically welded and fixed at the four corners of the bottom of the top plate (12), and the bottom end of the bracket (4) is fixedly installed between the top of the device frame (1), a mounting seat (2) is installed at the top of the device frame (1), and a movable plate (3) is provided at the top of the mounting seat (2), and supports (5) are respectively fixedly installed on both sides and both ends of the top of the movable plate (3), a mounting column (17) is fixedly installed at the bottom of the movable plate (3), and a gear ring (16) is installed on the outside of the mounting column (17), a worm (19) is movably connected to the right side of the inside of the mounting seat (2), and a servo motor (18) is fixedly installed on the right side of the rear end of the mounting seat (2).

2. The liquid injection device for producing medium-high specific energy batteries according to claim 1, characterized in that: The bottom end of the mounting column (17) is movably connected to the bottom end inside the mounting seat (2).

3. The liquid injection device for producing medium-high specific energy batteries according to claim 1, characterized in that: The output shaft of the servo motor (18) is fixedly connected to the rear end of the worm (19), and the worm (19) is meshingly connected to the mounting column (17).

4. The liquid injection device for producing medium-high specific energy batteries according to claim 1, characterized in that: Clamps (20) are respectively arranged on both sides of the bottom end of the support (5), the bottom end of the support (5) is laterally movably connected to a bidirectional lead screw (24), and the two sides of the outside of the bidirectional lead screw (24) are respectively threadedly connected to threaded sleeves (23), and a limiting groove (21) is provided at the bottom end of the support (5), and the right side of the bidirectional lead screw (24) passes through the right side of the support (5) and is fixedly mounted with a rotating handle (22).

5. The liquid injection device for producing medium-high specific energy batteries according to claim 4, characterized in that: The limiting groove (21) passes through the interior of the support (5), and the top end of the threaded sleeve (23) passes through the interior of the limiting groove (21) and is installed and fixed between the bottom end of the clamping plate (20).

6. The liquid injection device for producing medium-high specific energy batteries according to claim 1, characterized in that: A lifting plate (9) is provided at the rear end of the bottom of the top plate (12), and a liquid dispensing tube (10) is fixedly mounted at the bottom end of the lifting plate (9), a plurality of liquid injection tubes (15) are fixedly mounted at the bottom end of the liquid dispensing tube (10), and a solenoid valve (14) is mounted on the liquid injection tube (15), a top cover (6) is provided at the bottom end of the liquid dispensing tube (10), and a through groove (26) is provided at the middle position of the top end of the top cover (6), mounting holes (25) are respectively provided inside the two sides of the top end of the top cover (6), collars (8) are respectively sleeved and fixedly mounted on the two sides of the outside of the liquid dispensing tube (10), and a support rod (7) is fixedly mounted at the bottom end of the collar (8), and a cylinder (11) is respectively fixedly mounted on the two sides of the top end of the top plate (12).

7. The liquid injection device for producing medium-high specific energy batteries according to claim 6, characterized in that: The support (5) and the through groove (26) respectively penetrate the interior of the top cover (6); the bottom end of the support rod (7) penetrates and is fixed in the interior of the mounting hole (25); the injection tube (15) penetrates the interior of the through groove (26); and the support rod (7) and the collar (8) are made of soft silicone.

8. The liquid injection device for producing medium-high specific energy batteries according to claim 6, characterized in that: The output end at the bottom of the cylinder (11) is fixedly mounted between the top of the lifting plate (9), and a liquid infusion hose (13) is fixedly mounted on the right side of the liquid dispensing tube (10).

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