Battery cell liquid injection device
By designing lifting and guiding mechanisms, the problem of air bubbles caused by liquid turbulence during the cell injection process was solved, achieving a high-quality cell injection process.
Patent Information
- Application Number
- CN202422865395.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-25
AI Technical Summary
During the electrolyte filling process of the battery cell, the liquid is prone to agitation when falling through the filling tube, which can cause air bubbles and affect the quality of the battery cell.
Employing a lifting and guiding mechanism, the injection tube is slowly inserted and lifted by a motor-driven threaded shaft. Combined with a guide ring and spring design, this ensures smooth liquid injection and reduces the generation of air bubbles.
It effectively reduces the drop during liquid injection, ensures injection quality, reduces bubble generation, and improves the stability of cell production.
Smart Images
Figure CN223743861U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric core liquid injection, in particular to an electric core liquid injection device. BACKGROUND
[0002] The electric core liquid injection device is an instrument device for injecting electrolyte into the electric core during the production and processing of the electric core, which is mainly installed on a liquid injection machine, and is used in various electric core production and processing occasions.
[0003] During the liquid injection of the electric core, the liquid injection method generally adopts the method of placing the bottom of the liquid injection pipe close to the liquid inlet of the electric core or inserting it into the electric core. The liquid enters the inside of the electric core through the liquid injection pipe. Since the liquid falls through the liquid injection pipe, the bottom of the liquid injection pipe and the bottom of the electric core have a certain height difference. At this time, the liquid injection will produce a shock, which is easy to cause the liquid to produce bubbles, which may affect the quality of the electric core. Therefore, the electric core liquid injection device is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an electric core liquid injection device to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electric core liquid injection device, comprising a liquid injection machine, a lifting mechanism and a liquid tank.
[0006] The outer side of the liquid injection machine is fixedly connected with the lifting mechanism.
[0007] One side of the liquid injection machine is also fixedly connected with the liquid tank. The top of the liquid tank is provided with a pump body. The output end of the pump body is communicated with a liquid infusion tube. The other end of the liquid infusion tube is fixedly connected with a liquid injection pipe. The outer side of the liquid injection pipe is slidably connected with a guide ring. The outer side of the guide ring is fixedly connected with the liquid injection machine.
[0008] The outer side of the liquid infusion tube is also provided with a guide mechanism, and the top of the guide mechanism is fixedly connected with the liquid injection machine.
[0009] The bottom of the liquid injection pipe is provided with a placement table fixedly connected with the liquid injection machine.
[0010] Further, the lifting mechanism comprises a fixed frame, a motor and a threaded shaft. The outer side of the fixed frame is fixedly connected with the liquid injection machine. The inside of the fixed frame is fixedly connected with the motor. The main shaft end of the motor is fixedly connected with the threaded shaft. The bottom of the threaded shaft is rotatably connected with a fixed frame. The outer side of the fixed frame is fixedly connected with the fixed frame.
[0011] The outer side of the threaded shaft is spirally connected with a threaded sleeve. The outer side of the threaded sleeve is fixedly connected with a connecting plate. The other end of the connecting plate is fixedly connected with the liquid injection pipe.
[0012] Further, the fixed frame is composed of a fixed disc and a support plate, the fixed disc is rotationally connected with the threaded shaft at the top, the support plate is fixedly connected below the fixed disc, and the support plate is fixedly connected with the fixed frame at both sides.
[0013] Further, the outer side of the connecting plate is slidingly connected with the fixed frame, and the outer side of the connecting plate is slidingly connected with the inner part of the vertical rod of the liquid injection machine.
[0014] When the liquid injection is performed on the battery cell, the liquid injection is generally performed by inserting the bottom of the liquid injection pipe close to the liquid inlet of the battery cell or inserting it into the liquid inlet, and the liquid enters the inside of the battery cell through the liquid injection pipe. Since the liquid falls through the liquid injection pipe, the bottom of the liquid injection pipe and the bottom of the battery cell have a certain height difference, at this time, the liquid injection will generate a shock, which is easy to cause the liquid to generate bubbles, which may affect the quality of the battery cell.
[0015] In use, the battery cell is placed above the placement table, the motor is started to drive the threaded shaft to rotate, the threaded shaft drives the threaded sleeve to move, the threaded sleeve drives the connecting plate to move, so that the liquid injection pipe moves downward, at this time, the liquid injection pipe can be inserted into the inside of the battery cell, the pump body is started, the liquid in the liquid tank is pumped out and injected into the inside of the liquid injection pipe through the infusion pipe, and then injected into the inside of the battery cell. With the injection of the liquid, the motor slowly reverses, at this time, the liquid injection pipe slowly moves upward, with the injection of the liquid, the liquid level in the inside of the battery cell is maintained, which can reduce the drop and ensure the quality of the liquid injection and reduce the generation of bubbles.
[0016] Further, the guide mechanism comprises a guide cylinder, an outer ring and an inner ring, the top of the guide cylinder is fixedly connected with the liquid injection machine, the front and rear sides of the guide cylinder are provided with sliding grooves, the outer side of the guide cylinder is provided with the outer ring, and the inner ring is fixedly connected in the inner part of the outer ring through the sliding grooves, and the inner part of the inner ring is fixedly connected with the infusion pipe.
[0017] Further, the bottom of the inner ring is fixedly connected with the spring, and the bottom of the spring is fixedly connected with the guide cylinder.
[0018] When the liquid injection pipe moves, the liquid injection pipe drives the infusion pipe to move, and the infusion pipe drives the inner ring to move, at this time, the spring can be compressed, the infusion pipe below the inner ring is moved, the infusion pipe in this part is ensured to be compact, and winding and disorder are avoided, and after the liquid injection pipe is reset, the inner ring is reset under the action of the spring, and the outer ring can facilitate observation of the compression of the spring.
[0019] Compared with the prior art, the beneficial effects of the utility model are:
[0020] 1. In use, the battery cell is placed above the placement table, the motor is started to drive the threaded shaft to rotate, the threaded shaft drives the threaded sleeve to move, the threaded sleeve drives the connecting plate to move, so that the liquid injection pipe moves down, at this time the liquid injection pipe can be inserted into the battery cell, with the injection of liquid, the motor slowly reverses, at this time the liquid injection pipe slowly moves up, with the liquid injection, the liquid level in the battery cell is maintained, the difference can be reduced, the liquid injection quality is ensured, and the generation of bubbles is reduced.
[0021] 2. In use, when the liquid injection pipe moves, the liquid injection pipe drives the infusion pipe to move, the infusion pipe drives the inner ring to move, at this time the spring can be compressed, the infusion pipe below the inner ring is moved, the infusion pipe in this part is ensured to be compact, and winding and messy conditions are avoided, and after the liquid injection pipe is reset, the inner ring is reset under the action of the spring, and the setting of the outer ring can facilitate observation of the compression condition of the spring. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a schematic view of the overall structure of the utility model;
[0023] Figure 2 It is a schematic view of the structure of the lifting mechanism of the utility model;
[0024] Figure 3 It is a schematic view of the structure of the guide mechanism of the utility model.
[0025] In the drawing: 1, liquid injection machine; 2, lifting mechanism; 201, fixed frame; 202, motor; 203, threaded shaft; 204, fixed frame; 205, threaded sleeve; 206, connecting plate; 3, liquid tank; 4, pump body; 5, liquid injection pipe; 6, guide mechanism; 601, guide cylinder; 602, outer ring; 603, inner ring; 604, sliding groove; 605, spring; 7, liquid injection pipe; 8, guide ring; 9, placement table. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Embodiment 1: please refer to Figure 1 and Figure 2 The utility model provides a technical scheme:
[0028] A battery cell liquid injection device, comprising a liquid injection machine 1, a lifting mechanism 2 and a liquid tank 3;
[0029] The outside of the liquid injection machine 1 is fixedly connected with a lifting mechanism 2;
[0030] One side of the liquid injection machine 1 is also fixedly connected with a liquid tank 3, the top of the liquid tank 3 is provided with a pump body 4, the output end of the pump body 4 is communicated with a liquid infusion tube 5, the other end of the liquid infusion tube 5 is fixedly connected with a liquid injection tube 7, the outside of the liquid injection tube 7 is slidingly connected with a guide ring 8, and the outside of the guide ring 8 is fixedly connected with the liquid injection machine 1;
[0031] The outside of the liquid infusion tube 5 is also provided with a guide mechanism 6, and the top of the guide mechanism 6 is fixedly connected with the liquid injection machine 1;
[0032] The lower part of the liquid injection tube 7 is provided with a placement table 9 fixedly connected with the liquid injection machine 1;
[0033] The lifting mechanism 2 comprises a fixed frame 201, a motor 202 and a threaded shaft 203, the outside of the fixed frame 201 is fixedly connected with the liquid injection machine 1, the inside of the fixed frame 201 is fixedly connected with the motor 202, the end of the main shaft of the motor 202 is fixedly connected with the threaded shaft 203, the bottom of the threaded shaft 203 is rotatably connected with a fixed frame 204, and the outside of the fixed frame 204 is fixedly connected with the fixed frame 201;
[0034] The outside of the threaded shaft 203 is spirally connected with a threaded sleeve 205, the outside of the threaded sleeve 205 is fixedly connected with a connecting plate 206, and the other end of the connecting plate 206 is fixedly connected with the liquid injection tube 7.
[0035] The fixed frame 204 is composed of a fixed disc and a supporting plate, the upper part of the fixed disc is rotatably connected with the threaded shaft 203, and the lower part of the fixed disc is fixedly connected with the supporting plate, and the two sides of the supporting plate are fixedly connected with the fixed frame 201.
[0036] The outside of the connecting plate 206 is slidingly connected with the fixed frame 201, and the outside of the connecting plate 206 is slidingly connected with the inside of the vertical rod of the liquid injection machine 1.
[0037] When the liquid injection is performed, the liquid injection pipe 7 is inserted into the inside of the battery cell, and the pump body 4 is started to pump the liquid in the liquid tank 3 into the inside of the liquid injection pipe 7 through the liquid delivery pipe 5, and then into the inside of the battery cell. As the liquid is injected, the motor 202 is slowly reversed to slowly move the liquid injection pipe 7 upward. As the liquid injection is performed, the liquid level in the battery cell is kept, which can reduce the difference in height and ensure the quality of the liquid injection and reduce the generation of bubbles.
[0038] In the embodiment, the guide ring 8 is arranged outside the liquid injection pipe 7 to ensure that the liquid injection pipe 7 falls stably, and the fixed frame 204 arranged at the bottom of the fixed frame 201 is hollow on both sides, so that the impurities in the inside of the fixed frame 201 can fall out and are not accumulated in the inside of the fixed frame 201. The connecting plate 206 is inserted into the vertical rod of the liquid injection machine 1 and is in sliding connection with the vertical rod of the liquid injection machine 1, so that the liquid injection pipe 7 can move stably.
[0039] Embodiment 2: The embodiment is an improvement on Embodiment 1. Please refer to Figure 3 The guide mechanism 6 includes a guide cylinder 601, an outer ring 602 and an inner ring 603. The top of the guide cylinder 601 is fixedly connected with the liquid injection machine 1. The front and rear sides of the guide cylinder 601 are provided with sliding grooves 604. The outer side of the guide cylinder 601 is provided with the outer ring 602, and the inner ring 603 is fixedly connected in the inside of the outer ring 602 and passes through the sliding grooves 604. The inside of the inner ring 603 is fixedly connected with the liquid delivery pipe 5.
[0040] The bottom of the inner ring 603 is fixedly connected with the spring 605, and the bottom of the spring 605 is fixedly connected with the guide cylinder 601.
[0041] When the liquid injection pipe 7 moves, the liquid injection pipe 7 drives the liquid delivery pipe 5 to move, and the liquid delivery pipe 5 drives the inner ring 603 to move, so that the spring 605 can be compressed, the liquid delivery pipe 5 below the inner ring 603 can move, the liquid delivery pipe 5 in this part is ensured to be compact, and the spring 605 is reset after the liquid injection pipe 7 is reset, and the outer ring 602 can facilitate observation of the compression of the spring 605.
[0042] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0043] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A battery cell liquid injection device, characterized in that: Including injection machine (1), lifting mechanism (2) and liquid tank (3); The outer side of the injection machine (1) is fixedly connected with the lifting mechanism (2); The outer side of the injection machine (1) is fixedly connected with the lifting mechanism (2); The outer side of the injection machine (1) is fixedly connected with the lifting mechanism (2); The outer side of the injection machine (1) is fixedly connected with the lifting mechanism (2); 2. The liquid injection device of claim 1, wherein: The outer side of the injection machine (1) is fixedly connected with the lifting mechanism (2). The lifting mechanism (2) comprises a fixed frame (201), a motor (202) and a threaded shaft (203), the outer side of the fixed frame (201) is fixedly connected with the injection machine (1), the inner side of the fixed frame (201) is fixedly connected with the motor (202), the tail end of the main shaft of the motor (202) is fixedly connected with the threaded shaft (203), the bottom of the threaded shaft (203) is rotatably connected with a fixed frame (204), and the outer side of the fixed frame (204) is fixedly connected with the fixed frame (201).
3. The liquid injection device of claim 2, wherein: The outer side of the threaded shaft (203) is spirally connected with a threaded sleeve (205), the outer side of the threaded sleeve (205) is fixedly connected with a connecting plate (206), and the other end of the connecting plate (206) is fixedly connected with the injection tube (7).
4. The liquid injection device of claim 2, wherein: The fixed frame (204) is composed of a fixed disc and a supporting plate, the upper side of the fixed disc is rotatably connected with the threaded shaft (203), the lower side of the fixed disc is fixedly connected with the supporting plate, and the two sides of the supporting plate are fixedly connected with the fixed frame (201).
5. The liquid injection device of claim 2, wherein: The outer side of the connecting plate (206) is slidably connected with the fixed frame (201), and the outer side of the connecting plate (206) is slidably connected with the vertical rod of the injection machine (1).
6. The liquid injection device of claim 5, wherein: The guiding mechanism (6) comprises a guide cylinder (601), an outer ring (602) and an inner ring (603), the top of the guide cylinder (601) is fixedly connected with the injection machine (1), the front and rear sides of the guide cylinder (601) are provided with sliding grooves (604), the outer side of the guide cylinder (601) is provided with the outer ring (602), the inner ring (603) is fixedly connected in the outer ring (602) and passes through the sliding grooves (604), and the inner side of the inner ring (603) is fixedly connected with the infusion tube (5). The bottom of the inner ring (603) is fixedly connected with a spring (605), and the bottom of the spring (605) is fixedly connected with the guide cylinder (601).