Electrolyte filling device for lithium battery processing
By designing the up-and-down moving components and sealing components of the electrolyte filling device for lithium battery processing, the problems of slow electrolyte filling speed and poor sealing performance in lithium battery production were solved, thereby improving the sealing performance of the battery filling port and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-24
AI Technical Summary
Slow electrolyte injection speed and poor sealing performance during lithium battery production lead to electrolyte leakage, which cannot meet the needs of large-scale production.
A lithium battery processing electrolyte filling device was designed, including an up-and-down moving component, an electrolyte filling component, a sealing component, and a switching component. The up-and-down moving component drives the electrolyte filling nozzle to extend into the battery, squeezes the sealing block to seal the battery opening, and opens the valve to fill the electrolyte through the meshing of gears and racks.
This achieves a tight seal at the battery filling port, improves production efficiency, prevents electrolyte leakage, and meets the needs of large-scale production.
Smart Images

Figure CN224036618U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery processing technical field especially relates to a lithium battery processing fills electrolyte device. BACKGROUND
[0002] Lithium battery is a kind of with lithium metal or lithium alloy as negative electrode material, using non-aqueous electrolyte solution battery, with high energy density, long service life, low self-discharge rate etc., is widely used in portable electronic equipment, electric vehicle, energy storage system etc.
[0003] Electrolyte filling is the key link of lithium battery production, but the liquid injection speed is slow, cannot satisfy the demand of large-scale production, and the sealing performance of injection needle and battery liquid injection port is poor, electrolyte leakage easily occurs, causes waste and environmental pollution.
[0004] Therefore, it is necessary to provide a lithium battery processing fills electrolyte device to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model provides a lithium battery processing fills electrolyte device, solves the problem of slow liquid injection speed and poor sealing performance.
[0006] To solve the above technical problems, the utility model provides a lithium battery processing fills electrolyte device, which comprises a support, a battery tank is fixedly installed on the surface of the support, and a battery tank is fixedly installed on the surface of the support.
[0007] The upper and lower moving assembly is arranged on the surface of the support, and the upper and lower moving assembly comprises a limiting rod, a moving plate and an electric telescopic rod.
[0008] The liquid injection assembly is arranged on the surface of the support, and the liquid injection assembly comprises a liquid injection nozzle, a connecting pipe and a liquid storage tank.
[0009] The sealing assembly is arranged on the surface of the battery tank, and the sealing assembly comprises a spring sliding rod, a sealing block and an extrusion block.
[0010] The switch assembly is arranged on the top of the battery tank, and the switch assembly comprises a rack, a valve and a gear.
[0011] Preferably, the limiting rod is fixedly connected to the upper and lower inner surfaces of the support, the moving plate is movably connected to the outer surface of the limiting rod, the electric telescopic rod is fixedly connected to the top of the moving plate, and the top of the electric telescopic rod is fixedly connected to the inner surface of the top of the support.
[0012] Preferably, the liquid injection nozzle is fixedly connected to the bottom of the moving plate, the connecting pipe is fixedly connected to the top of the liquid injection nozzle, the liquid storage tank is fixedly installed on the top of the support, and the other end of the connecting pipe is fixedly connected to the bottom of the liquid storage tank.
[0013] Preferably, the spring sliding rod is fixedly connected to the outer surface of the battery tank, the sealing block is movably connected to the surface of the spring sliding rod, and the extrusion block is fixedly connected to the front and rear ends of the moving plate.
[0014] Preferably, the rack is fixedly connected to the top of the battery tank, the valve is fixedly installed on the top of the liquid injection nozzle, the gear is movably connected to the surface of the valve, and the gear is movably connected to the surface of the rack.
[0015] Preferably, the surface of the battery tank is provided with a clamping assembly, the clamping assembly comprises a spring telescopic rod, the spring telescopic rod is fixedly connected to the outer surfaces of the front and rear ends of the battery tank, and one end of the spring telescopic rod is fixedly connected with a clamping plate.
[0016] Compared with the related art, the lithium battery processing and electrolyte filling device has the following beneficial effects:
[0017] The lithium battery processing and electrolyte filling device provided by the utility model can drive the liquid injection nozzle to move downwards and extend into the inside of the side sealing bag of the lithium battery through the up-down moving assembly, drive the extrusion block to move downwards and extrude the sealing block to seal the bag opening, and drive the gear to mesh with the rack to open the valve and realize liquid injection, thereby ensuring the sealing performance of the battery liquid injection port and improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The utility model provides a kind of lithium battery processing and electrolyte filling device of first embodiment structure schematic view of the utility model;
[0019] Figure 2 For Figure 1 The enlarged schematic view of A shown in the drawing;
[0020] Figure 3 The utility model provides a kind of lithium battery processing and electrolyte filling device of second embodiment structure schematic view of the utility model.
[0021] Reference numeral in the drawing: 1, support,
[0022] 2, battery tank,
[0023] 3, up-down moving assembly, 31, limiting rod, 32, moving plate, 33, electric telescopic rod,
[0024] 4, liquid injection assembly, 41, liquid injection nozzle, 42, connecting pipe, 43, liquid storage tank,
[0025] 5, sealing assembly, 51, spring slide rod, 52, sealing block, 53, extrusion block,
[0026] 6, switch assembly, 61, rack, 62, valve, 63, gear,
[0027] 7, clamping assembly, 71, spring telescopic rod, 72, clamping plate. DETAILED DESCRIPTION
[0028] The utility model will be further described below in combination with the drawings and embodiments.
[0029] First embodiment
[0030] Please combine with Figure 1 and Figure 2 Among them, Figure 1 It is the structure diagram of the first embodiment of a lithium battery processing and electrolyte filling device provided by the utility model; Figure 2 As Figure 1 The A part enlarged schematic view shown in the figure.A lithium battery processing and electrolyte filling device includes: support 1, the surface of the support 1 is fixedly installed with battery groove 2;
[0031] Up-down moving assembly 3, the up-down moving assembly 3 is arranged on the surface of the support 1, and the up-down moving assembly 3 includes limiting rod 31, moving plate 32 and electric telescopic rod 33;
[0032] Liquid injection assembly 4, the liquid injection assembly 4 is arranged on the surface of the support 1, and the liquid injection assembly 4 includes liquid injection nozzle 41, connecting pipe 42 and liquid storage tank 43;
[0033] Sealing assembly 5, the sealing assembly 5 is arranged on the surface of the battery groove 2, and the sealing assembly 5 includes spring slide rod 51, sealing block 52 and extrusion block 53;
[0034] Switch assembly 6, the switch assembly 6 is arranged on the top of the battery groove 2, and the switch assembly 6 includes rack 61, valve 62 and gear 63.
[0035] The support 1 is U-shaped, the battery groove 2 is fixedly connected to the inner surface of the bottom of the support 1, and a plurality of grooves are formed in the inside, the cell side sealing bag can be placed into the inside of each groove, the up-down moving assembly 3 drives the liquid injection nozzle 41, the extrusion block 53 and the gear 63 to move downwards, realizes liquid injection, the liquid injection assembly 4 realizes liquid injection, the sealing assembly 5 realizes sealing of the liquid injection port, and the switch assembly 6 realizes the outflow of electrolyte.
[0036] The limiting rods 31 are fixedly connected to the upper and lower inner surfaces of the support 1, the moving plates 32 are movably connected to the outer surfaces of the limiting rods 31, and the electric telescopic rods 33 are fixedly connected to the top of the moving plates 32 and the inner surface of the top of the support 1.
[0037] The two limiting rods 31 are fixedly connected to the upper and lower inner surfaces of the support 1 near the left and right ends, and the moving plates 32 are slidably connected to the outer surfaces of the limiting rods 31 and can move up and down. The limiting rods 31 limit the moving plates 32, and the multiple electric telescopic rods 33 are fixedly connected to the inner surface of the top of the support 1 and the top of the moving plates 32.
[0038] The liquid injection nozzles 41 are fixedly connected to the bottom of the moving plates 32, the connecting pipes 42 are fixedly connected to the top of the liquid injection nozzles 41, the liquid storage tanks 43 are fixedly installed on the top of the support 1, and the other ends of the connecting pipes 42 are fixedly connected to the bottom of the liquid storage tanks 43.
[0039] The multiple liquid injection nozzles 41 and connecting pipes 42 are arranged, each liquid injection nozzle 41 is fixedly connected to the surface of the moving plate 32 above each groove in the battery groove 2, the top of each liquid injection nozzle 41 is fixedly connected to a connecting pipe 42, and the length is sufficient for the up and down movement of the liquid injection nozzle 41. The liquid storage tank 43 is used for storing electrolyte.
[0040] The spring sliding rods 51 are fixedly connected to the outer surfaces of the battery grooves 2, the sealing blocks 52 are movably connected to the surfaces of the spring sliding rods 51, and the pressing blocks 53 are fixedly connected to the front and rear ends of the moving plates 32.
[0041] The spring sliding rods 51 are composed of a spring movably sleeved on the outer surface of a rod, and the outer surfaces of the grooves in the support 1 are fixedly connected to rods, and the top of the surface of the battery groove 2 is connected to a mouth. The sealing blocks 52 are L-shaped, each two are a group, the two sealing blocks 52 in each group are slidably connected to the surfaces of the front and rear rods and slidably embedded in the front and rear mouths, and the surface of the moving plate 32 above each group of sealing blocks 52 is fixedly connected to two pressing blocks 53. The top of the sealing block 52 and the bottom of the pressing block 53 are inclined surfaces. When the pressing block 53 moves downward, the inclined surface provides an inward pushing force to the sealing block 52, the two sealing blocks 52 press the side sealing bags, and the sealing of the side sealing bags is realized.
[0042] The rack 61 is fixedly connected at the top of the battery tank 2, the valve 62 is fixedly installed at the top of the liquid injection nozzle 41, the gear 63 is movably connected at the surface of the valve 62, and the gear 63 is movably connected at the surface of the rack 61.
[0043] The rear end of the top of the battery tank 2 is fixedly connected with the rack 61, the rack 61 is composed of teeth arranged on the inner surfaces of two plates, the gear 63 is connected with the valve core in the valve 62, and the top of the liquid injection nozzle 41 is fixedly connected with the valve 62.
[0044] The working principle of the lithium battery processing and electrolyte filling device is as follows:
[0045] The side sealing bag containing the battery core is placed in the battery tank 2, and then the electric telescopic rod 33 is started to push the moving plate 32 to move downwards, when the liquid injection nozzle 41 is inserted into the side sealing bag, the extrusion block 53 is connected with the sealing block 52, and the inward thrust of the sealing block 52 is provided, so that the side sealing bag is sealed, and the gear 63 is engaged with the rack 61 and rotates downwards at the same time, the valve core in the valve 62 is opened, the electrolyte in the liquid storage tank 43 is injected into the side sealing bag through the connecting pipe 42 and the liquid injection nozzle 41, and then the electric telescopic rod 33 is started to drive the moving plate 32 to move upwards, the liquid injection nozzle 41 moves upwards and gradually moves out of the inside of the side sealing bag, the sealing block 52 moves outward under the action of the spring in the spring sliding rod 51, and the gear 63 moves upwards and rotates at the same time to close the gear 63.
[0046] Compared with the related art, the lithium battery processing and electrolyte filling device has the following beneficial effects:
[0047] The lithium battery processing and electrolyte filling device provided by the utility model can drive the extrusion block 53 to move downwards to extrude and seal the sealing block 52 to seal the bag opening when the liquid injection nozzle 41 is driven by the up-down moving assembly 3 to move downwards and insert into the lithium battery side sealing bag, and drive the gear 63 to engage with the rack 61 to open the valve 62 to realize liquid injection, so that the sealing performance of the battery liquid injection port is ensured, and the production efficiency is improved.
[0048] Second embodiment
[0049] Please refer to Figure 3 Based on the first embodiment of the lithium battery processing and electrolyte filling device, the second embodiment of the present application provides another lithium battery processing and electrolyte filling device. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0050] Specifically, the second embodiment of the present application provides a lithium battery processing and electrolyte filling device, which is different from the prior art in that a clamping assembly 7 is arranged on the surface of a battery tank 2, the clamping assembly 7 comprises a spring telescopic rod 71, the spring telescopic rod 71 is fixedly connected to the outer surface of the front and rear ends of the battery tank 2, and one end of the spring telescopic rod 71 is fixedly connected with a clamping plate 72.
[0051] The spring telescopic rod 71 is internally movably embedded with a spring, the outer surface of the front and rear ends of the battery tank 2 is fixedly connected with a spring telescopic rod 71, one end of the slide rod in the spring telescopic rod 71 is movably embedded in the inside of the battery tank 2, and the two clamping plates 72 are fixedly connected to one end of the two rods embedded in the inside of the battery tank 2.
[0052] The working principle of the lithium battery processing and electrolyte filling device provided by the present application is as follows:
[0053] The side sealing bag is placed in the inside of the battery tank 2 between the two clamping plates 72, and the two clamping plates 72 clamp the side sealing bag under the action of the spring in the spring telescopic rod 71.
[0054] Compared with the related art, the lithium battery processing and electrolyte filling device provided by the present application has the following beneficial effects:
[0055] The present application provides a lithium battery processing and electrolyte filling device, which can realize clamping of the clamping plate 72 to the side sealing bag through the elastic force of the spring in the spring telescopic rod 71, and effectively prevents the side sealing bag from being tilted.
[0056] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. A lithium battery processing and electrolyte filling device, characterized in that, include: A support, on the surface of which a battery slot is fixedly mounted; A vertical moving assembly is disposed on the surface of the support, and the vertical moving assembly includes a limiting rod, a moving plate, and an electric telescopic rod. The liquid injection assembly is disposed on the surface of the support, and the liquid injection assembly includes a liquid injection nozzle, a connecting pipe and a liquid storage tank. A sealing assembly disposed on the surface of the battery compartment, the sealing assembly comprising a spring slide, a sealing block, and a compression block; A switch assembly is disposed at the top of the battery compartment, and the switch assembly includes a rack, a valve, and a gear.
2. The lithium battery processing and electrolyte filling device according to claim 1, characterized in that, The limiting rod is fixedly connected to the upper and lower inner surfaces of the support, the movable plate is movably connected to the outer surface of the limiting rod, the electric telescopic rod is fixedly connected to the top of the movable plate, and the top of the electric telescopic rod is fixedly connected to the inner surface of the top of the support.
3. The lithium battery processing and electrolyte filling device according to claim 1, characterized in that, The injection nozzle is fixedly connected to the bottom of the movable plate, the connecting pipe is fixedly connected to the top of the injection nozzle, the liquid storage tank is fixedly installed on the top of the support, and the other end of the connecting pipe is fixedly connected to the bottom of the liquid storage tank.
4. The lithium battery processing and electrolyte filling device according to claim 1, characterized in that, The spring slide rod is fixedly connected to the outer surface of the battery slot, the sealing block is movably connected to the surface of the spring slide rod, and the pressing block is fixedly connected to the front and rear ends of the moving plate.
5. The lithium battery processing and electrolyte filling device according to claim 1, characterized in that, The rack is fixedly connected to the top of the battery compartment, the valve is fixedly installed on the top of the injection nozzle, the gear is movably connected to the surface of the valve, and the gear is movably connected to the surface of the rack.
6. The lithium battery processing and electrolyte filling device according to claim 1, characterized in that, The surface of the battery compartment is provided with a clamping assembly, which includes a spring telescopic rod. The spring telescopic rod is fixedly connected to the outer surfaces of the front and rear ends of the battery compartment, and a clamping plate is fixedly connected to one end of the spring telescopic rod.