Electrolyte extraction device of battery

Abstract

The utility model discloses an electrolyte extraction device of a battery, which comprises a working table, a pressure fixing component, a pressure adjusting component, a pressure adjusting component and a pressure adjusting component, and is characterized in that the working table is provided with a pressure adjusting component; the lower mounting frame is fixed on the lower surface of the workbench; the second lifting rod is arranged on the lower mounting frame, a filter cartridge assembly corresponding to the battery is arranged at the top end of the second lifting rod, and a through hole matched with the filter cartridge assembly is formed in the inner side of the workbench; through arrangement of a second lifting rod, a filter cartridge assembly, an electrolyte container, a through hole and a pressing and fixing assembly, the device can well invert a battery, effectively extract an electrolyte through negative pressure, reduce splashing of the electrolyte, and filter the extracted electrolyte so as to reduce broken and fallen impurities mixed in the electrode liquid, so that the service life of the battery is prolonged, and the service life of the battery is prolonged. And the cleaning effect of the electrolyte is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of electrolyte extraction devices of battery. BACKGROUND

[0002] Since the amount of electrolyte consumed by different positive and negative electrode materials is different during formation and capacity, when verifying new battery positive and negative electrode materials, excess electrolyte needs to be injected into the battery to avoid the impact of insufficient electrolyte on the performance of positive and negative electrode. There is often excess electrolyte in the battery after the end of capacity, which is called free electrolyte.

[0003] When the battery is disassembled, free electrolyte may splash onto the human body, causing safety hazards. In addition, during the trial production of the battery cell, if the winding method is used, the battery cell may have internal folding material, which may mix with the electrolyte in the subsequent process. If not separated, it is not conducive to the quantitative analysis of the subsequent electrolyte. Therefore, we propose a kind of electrolyte extraction device of battery. Utility model content

[0004] The utility model aims at providing a kind of electrolyte extraction device of battery to solve the problems raised in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of electrolyte extraction device of battery, comprising:

[0006] Workbench, the workbench is provided with the pressure solid component of fixed battery;

[0007] Lower mounting bracket, fixed to the lower surface of workbench;

[0008] Second lifting rod, set up on lower mounting bracket, and the second lifting rod top is provided with the filter cartridge assembly corresponding with battery, the workbench inside is opened with the through hole matched with filter cartridge assembly;

[0009] Electrolyte container, set up on one side of second lifting rod, and the electrolyte container is provided with telescopic pipe communicated with filter cartridge assembly on it, electrolyte container one side is opened with vacuum interface;

[0010] Conveniently, electrolyte is extracted by negative pressure, and the electrolyte flow outlet can be well protected during extraction, reducing the splashing to the outside. Electrolyte can be filtered in real time during the extraction process.

[0011] Preferably, the pressure solid component includes upper mounting bracket, first lifting rod and stop plate, the upper mounting bracket is fixed to the upper surface of workbench, and the first lifting rod is arranged on the lower surface of the upper mounting bracket, and the first lifting rod lower end has the stop plate for pressing the battery;

[0012] Conveniently, the stop plate is moved up and down to press and fix different specifications of batteries.

[0013] Preferably, the stop plate is circular.

[0014] Conveniently, the pressing and fixing area is better.

[0015] Preferably, the filter cartridge assembly comprises a cartridge body and a sealing ring, the cartridge body is arranged inside the through hole, one end of the cartridge body is matched with the second lifting rod, and the cartridge body is fixed with the sealing ring.

[0016] Conveniently, the electrolyte outlet of the battery is better protected.

[0017] Preferably, a bearing block is fixed to the middle of the inner side of the cartridge body, and a filter block is arranged on the inner side of the bearing block.

[0018] Conveniently, the electrolyte is filtered to ensure the cleaning effect of the electrolyte.

[0019] Preferably, a flow guide inclined block is fixed to the lower end of the inner side of the cartridge body, and the lowest end of the flow guide inclined block corresponds to the electrolyte container.

[0020] Conveniently, the extracted electrolyte flows better to the inside of the electrolyte container.

[0021] Preferably, at least two flow baffles are arranged on the inner side of the electrolyte container, and the ends of two adjacent flow baffles are respectively fixed to the upper end and the lower end of the electrolyte container, and the other ends of the two adjacent flow baffles are staggered.

[0022] Conveniently, the staggered flow baffles prevent the electrolyte from flowing to the connection port at the upper part of the electrolyte container.

[0023] Preferably, a weight scale is arranged on the lower surface of the electrolyte container to weigh the electrolyte.

[0024] Conveniently, the weight of the extracted electrolyte can be weighed in real time.

[0025] Compared with the prior art, the utility model has the beneficial effects that:

[0026] The utility model discloses a second lifting rod, a filter cartridge assembly, an electrolyte container, a through hole and a pressing and fixing assembly are arranged, when the battery is disassembled, the safety hidden danger caused by the electrolyte splashing to the surrounding environment can be avoided, the battery can be inverted well, the electrolyte can be effectively extracted through negative pressure, the splashing of the electrolyte is reduced, the extracted electrolyte can be filtered to reduce the impurities mixed in the electrolyte, the cleaning effect of the electrolyte is improved, the electrolyte can be weighed after extraction to facilitate quantitative analysis, and the inconvenience of subsequent electrolyte re-measurement is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic view of the utility model;

[0028] Figure 2 It is the bench sectional structure schematic view of the utility model;

[0029] Figure 3 It is the bearing block structure schematic view of the utility model;

[0030] Figure 4 It is the electrolyte container sectional structure schematic view of the utility model;

[0031] Figure 5 It is the battery to be extracted schematic view.

[0032] In the drawing: 1, workbench;2, upper mounting frame;3, first lifting rod;4, stop plate;5, lower mounting frame;6, second lifting rod;7, filter cartridge assembly;8, weight scale;9, electrolyte container;10, through hole;11, cylinder;12, sealing ring;13, flow guide inclined block;14, filter block;15, bearing block;16, flow baffle. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 the utility model.

[0034] Please refer to Figures 1-5 The utility model provides a technical scheme: a battery's electrolyte extraction device, comprising:

[0035] Workbench 1, workbench 1 is provided with the compression solid component of fixed battery;

[0036] Lower mounting frame 5, fixed in workbench 1 lower surface;

[0037] Second lifting rod 6, set up in lower mounting frame 5, and second lifting rod 6 top end is provided with the filter cartridge assembly 7 corresponding with battery, and workbench 1 inner side is provided with the through hole 10 matched with filter cartridge assembly 7;

[0038] Electrolyte container 9, set up in second lifting rod 6 one side, and electrolyte container 9 is provided with the flexible tube intercommunication with filter cartridge assembly 7, and electrolyte container 9 one side is provided with vacuum interface;

[0039] The electrolyte can be extracted by negative pressure, the electrolyte outlet can be well protected during extraction, the splashing to the outside is reduced, the electrolyte can be filtered in real time during the extraction process, the impurities in the electrolyte are reduced, and the cleaning effect of the electrolyte is ensured.

[0040] In the embodiment, preferably, the pressing assembly comprises an upper mounting frame 2, a first lifting rod 3 and a stop plate 4, the upper mounting frame 2 is fixed to the upper surface of the workbench 1, and the first lifting rod 3 is arranged at the middle part of the lower surface of the upper mounting frame 2, and the stop plate 4 is arranged at the lower end of the first lifting rod 3;

[0041] The stop plate 4 can move up and down to press and fix the batteries of different specifications, so that the batteries are prevented from moving during the extraction of the electrolyte, and the accidental splashing of the electrolyte is avoided.

[0042] In the embodiment, preferably, the stop plate 4 is circular.

[0043] The pressing area is better, and the friction during fixing is improved.

[0044] In the embodiment, preferably, the filter cartridge assembly 7 comprises a cartridge body 11 and a sealing ring 12, the cartridge body 11 is arranged inside the through hole 10, one end of the cartridge body 11 is matched with the second lifting rod 6, and the sealing ring 12 is fixed to the cartridge body 11;

[0045] The sealing ring 12 can be attached to the cover plate of the square cell and surround the explosion-proof valve, the vacuum degree is greater than the maximum bearing pressure of the explosion-proof valve through vacuumizing, so that the electrolyte is extracted, the risk that the extraction device damages the battery cell by penetrating into the battery is avoided, and the problem that the free electrolyte may splash to the human body to cause a safety hazard is eliminated during the battery disassembly.

[0046] In the embodiment, preferably, a bearing block 15 is fixed to the middle part of the inner side of the cartridge body 11, and a filter block 14 is arranged inside the bearing block 15.

[0047] The electrolyte can be filtered to ensure the cleaning effect of the electrolyte, prevent the impurities generated due to the dropping of the pole piece in the square cell from entering the electrolyte container 9 together with the electrolyte, and cause pollution and interference to the quantitative analysis of the electrolyte.

[0048] In the embodiment, preferably, a guide inclined block 13 is fixed to the lower end of the inner side of the cartridge body 11, and the lowest end of the guide inclined block 13 corresponds to the electrolyte container 9.

[0049] The extracted electrolyte can flow better to the inner side of the electrolyte container 9, so that the electrolyte is prevented from accumulating inside the cartridge body 11.

[0050] In the embodiment, preferably, the electrolyte container 9 is provided with at least two baffles 16, and the end portions of the adjacent two baffles 16 are fixed to the upper end and the lower end of the electrolyte container 9 respectively, and the other end portions of the adjacent two baffles 16 are staggered.

[0051] The electrolyte is prevented from flowing to the connecting port at the upper portion of the electrolyte container 9 by the staggered baffles 16.

[0052] In the embodiment, preferably, the lower surface of the electrolyte container 9 is provided with a weight scale 8 for weighing the electrolyte container 9.

[0053] The weight of the extracted electrolyte can be weighed in real time.

[0054] The working principle and use process of the utility model are as follows: when in use, the electrolyte container 9 is connected with a vacuum pump, the empty electrolyte container 9 is weighed by the weight scale 8, then the square shell battery to be disassembled is inverted, the explosion-proof valve is aligned with the through hole 10, the first lifting rod 3 is started to extrude the stop plate 4 on the square shell battery, then the second lifting rod 6 is started, the second lifting rod 6 drives the cylinder 11 and the sealing ring 12 to move, so that the insulating sealing ring 12 is extruded on the battery cover plate to form a sealed cavity, then the vacuum pump is started, the vacuum degree in the sealed cavity is increased until the explosion-proof valve bursts, the electrolyte flows out, flows into the electrolyte container 9 after being filtered by the filter block 14, the transparent tube between the filter cartridge assembly 7 and the electrolyte container 9 is observed, the vacuum pump is closed after no liquid flows, the displayed value of the weight scale 8 is observed at this time, and the difference between the two values is the mass of the free electrolyte.

[0055] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electrolyte extraction device for a battery, characterized by comprising: Include: Workbench (1), the workbench (1) is provided with a battery fixed pressure solid component; Lower mounting bracket (5), fixed to the lower surface of the workbench (1); Second lifting rod (6), provided on the lower mounting bracket (5), and the second lifting rod (6) top end is provided with the filter cartridge assembly (7) corresponding to the battery, the inside of the workbench (1) is provided with a through hole (10) matched with the filter cartridge assembly (7); Electrolyte container (9), provided on one side of the second lifting rod (6), and the electrolyte container (9) has a telescopic tube communicated with the filter cartridge assembly (7), and the electrolyte container (9) is provided with a vacuum interface on one side.

2. The electrolyte extraction device of claim 1, wherein: The pressure solid component includes an upper mounting bracket (2), a first lifting rod (3) and a stop plate (4), the upper mounting bracket (2) is fixed to the upper surface of the workbench (1), and the lower surface of the upper mounting bracket (2) is provided with a first lifting rod (3), and the lower end of the first lifting rod (3) has a stop plate (4) for pressing the battery.

3. The electrolyte extraction device of claim 2, wherein: The stop plate (4) is circular.

4. The electrolyte extraction device of claim 1, wherein: The filter cartridge assembly (7) includes a cylinder (11) and a sealing ring (12), the cylinder (11) is arranged inside the through hole (10), and one end of the cylinder (11) is matched with the second lifting rod (6), and the sealing ring (12) is fixed on the cylinder (11).

5. The electrolyte extraction device of claim 4, wherein: The inside of the cylinder (11) is fixed with a bearing block (15), and the inside of the bearing block (15) is provided with a filter block (14).

6. The electrolyte extraction device of claim 4, wherein: The inside of the cylinder (11) is fixed with a guide inclined block (13), and the lowest end of the guide inclined block (13) corresponds to the electrolyte container (9).

7. The electrolyte extraction device of claim 1, wherein: The inside of the electrolyte container (9) is provided with at least two baffles (16), and the ends of the two adjacent baffles (16) are respectively fixed with the upper end and the lower end of the electrolyte container (9), and the other ends of the two adjacent baffles (16) are staggered.

8. The electrolyte extraction device of claim 1, wherein: The lower surface of the electrolyte container (9) is provided with a weight scale (8) for weighing.

Images