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CN-224204332-U - Liquid injection device

CN224204332UCN 224204332 UCN224204332 UCN 224204332UCN-224204332-U

Abstract

The application relates to a liquid injection device which comprises a working frame, a positioning assembly, an adsorption assembly and a liquid injection tank. The positioning component is arranged on the side frame of the operation frame, the positioning component can be in contact with the battery cell in a first direction and support the battery cell, the adsorption component is arranged on the operation frame and can adsorb and pull out the liquid injection port of the battery cell in the first direction, and the first direction is perpendicular to the height direction of the operation frame. The liquid injection tank is arranged on the top frame of the operation frame, and a liquid outlet of the liquid injection tank can be in butt joint with the liquid injection port so as to inject electrolyte into the battery cell. Compared with manual liquid injection, the liquid injection device saves the number of people required in the liquid injection process of the battery cell, reduces the liquid injection cost of the battery cell, namely reduces the processing cost of the battery cell and the lithium battery, simultaneously reduces the influence of excessive personnel on the liquid injection environment, namely reduces the risk of chemical reaction of electrolyte caused by higher water content in the liquid injection environment, and improves the yield of the battery cell.

Inventors

  • GU YANLING

Assignees

  • 重庆太蓝新能源有限公司

Dates

Publication Date
20260505
Application Date
20250508

Claims (10)

  1. 1. An priming device, the priming device comprising: A work frame (11); The positioning assembly (2) is arranged on a side frame (112) of the operation frame (11), and the positioning assembly (2) can be in contact with the battery cell (01) in a first direction (X) and supports the battery cell (01); The adsorption component (3), the adsorption component (3) is installed on the operation frame (11), the adsorption component (3) can adsorb and pull away the liquid injection port of the battery cell (01) in the first direction (X), and the first direction (X) is perpendicular to the height direction (Z) of the operation frame (11); The electrolyte injection device comprises an electrolyte injection tank (4), wherein the electrolyte injection tank (4) is arranged on a top frame (113) of the operation frame (11), and a liquid outlet of the electrolyte injection tank (4) can be in butt joint with the liquid injection port so as to inject electrolyte into the battery cell (01).
  2. 2. The priming device of claim 1, wherein the positioning assembly (2) comprises a positioning member (21) and a first driving member (22), the first driving member (22) being mounted on the side frame (112), the positioning member (21) being in driving connection with the first driving member (22), the positioning member (21) being adapted to support the cells (01) in the first direction (X).
  3. 3. The priming device of claim 1, wherein the suction assembly (3) comprises a suction member (31) and a second driving member (32), the second driving member (32) being mounted on the side frame (112), the suction member (31) being in driving connection with the second driving member (32), the suction member (31) being capable of sucking and pulling the priming port in the first direction (X).
  4. 4. The priming device of claim 1, further comprising an adjustment assembly (6), the adjustment assembly (6) being in driving connection with the positioning assembly (2) and the adsorbing assembly (3), the adjustment assembly (6) being capable of driving the positioning assembly (2) and the adsorbing assembly (3) to move in a height direction (Z) of the working frame (11).
  5. 5. Priming device according to claim 4, characterized in that the adjustment assembly (6) comprises a driving element (61), the positioning assembly (2) and the suction assembly (3) on the same side frame (112) are both in driving connection with the driving element (61), the driving element (61) being able to drive the positioning assembly (2) and the suction assembly (3) to move synchronously in the height direction (Z) of the working frame (11).
  6. 6. The priming device of claim 4, wherein the driving member (61) comprises a third driving member (611) and a fourth driving member (612), the third driving member (611) being in driving connection with the positioning assembly (2), the fourth driving member (612) being in driving connection with the adsorption assembly (3).
  7. 7. The priming device of any one of claims 1 to 6, wherein the priming tank (4) further comprises a switching valve (7), the switching valve (7) being mounted at the outlet, the switching valve (7) being capable of opening or closing the outlet, the switching valve (7) being a manual valve or a solenoid valve.
  8. 8. The priming device of any one of claims 1 to 6, further comprising a fixture (5), the fixture (5) being arranged with the priming tank (4) along a height direction (Z) of the working frame (11), the fixture (5) being operable to abut the cells (01) to pre-position the cells (01); The fixing piece (5) at least comprises a first fixing part (51) and a second fixing part (52), and the first fixing part (51) and the second fixing part (52) are connected into an L-shaped, V-shaped or T-shaped structure.
  9. 9. The priming device of claim 8, further comprising a priming platform (1), wherein the working frame (11) and the fixture (5) are both mounted to the priming platform (1).
  10. 10. The priming device of claim 9, further comprising a weighing assembly (8), wherein the weighing assembly (8) is mounted to the priming platform (1), and wherein the fixture (5) is mounted to the weighing assembly (8).

Description

Liquid injection device Technical Field The application relates to the technical field of lithium battery processing, in particular to a liquid injection device. Background In lithium battery processing, need pour into electrolyte into in the electric core through annotating the liquid mouth on the electric core, when processing the experimental battery of small batch, need artifical manual notes liquid, and at least four people's cooperation of need at every turn accomplish the operation, one of them person electrolyte, alone pull open the air pocket and accomplish notes liquid, alone annotate liquid mouth shutoff, alone record data. The manual liquid injection method increases the labor cost in the processing process of the battery cell, and in addition, too many people can influence the liquid injection environment, so that the risk of chemical reaction of electrolyte caused by higher water content in the liquid injection environment exists. Disclosure of utility model The application relates to a liquid injection device, which reduces labor cost and reduces the influence of personnel on moisture in the environment. The application provides a liquid injection device which comprises a working frame, a positioning assembly, an adsorption assembly and a liquid injection tank. The positioning component is arranged on the side frame of the operation frame, the positioning component can be in contact with the battery cell in a first direction and support the battery cell, the adsorption component is arranged on the operation frame and can adsorb and pull out the liquid injection port of the battery cell in the first direction, and the first direction is perpendicular to the height direction of the operation frame. The liquid injection tank is arranged on the top frame of the operation frame, and a liquid outlet of the liquid injection tank can be in butt joint with the liquid injection port so as to inject electrolyte into the battery cell. In the application, in the first direction, the cell is supported by the positioning component firstly, so that the cell is fixed at a preset position, then the liquid injection port is pulled open by the adsorption component, so that the liquid injection port is enlarged, and finally, electrolyte is injected into the liquid injection port by the liquid injection tank, so that the electrolyte injection process of the cell is completed. Compared with manual liquid injection, the liquid injection device saves the number of people required in the liquid injection process of the battery cell, so that the liquid injection cost of the battery cell is reduced, the processing cost of the battery cell and a lithium battery is further reduced, meanwhile, the influence of excessive people on the liquid injection environment is reduced, the risk of chemical reaction of electrolyte caused by high water content in the liquid injection environment is reduced, and the yield of the battery cell is improved. In some possible designs, the positioning assembly includes a positioning member and a first driving member, the first driving member is mounted on a side frame of the work frame, the positioning member is in driving connection with the first driving member, and the positioning member can support the battery cell in a first direction. In some possible designs, the suction assembly includes a suction member and a second driving member, the second driving member is mounted on a side frame of the working frame, the suction member is in driving connection with the second driving member, and the suction member can suck and pull the liquid injection port in a first direction. In some possible designs, the priming device further includes an adjustment assembly drivingly connected to the positioning assembly and the suction assembly, the adjustment assembly being capable of driving the positioning assembly and the suction assembly to move in a height direction of the work frame. In some possible designs, the adjusting assembly comprises a driving member, the positioning assembly and the adsorbing assembly on the same side frame are in driving connection with the driving member, and the driving member can drive the positioning assembly and the adsorbing assembly to synchronously move in the height direction of the working frame. In some possible designs, the driving member includes a third driving member drivingly connected to the positioning assembly and a fourth driving member drivingly connected to the suction assembly. In some possible designs, the liquid injection tank further comprises a switch valve, the switch valve is arranged at the liquid outlet, the switch valve can open or close the liquid outlet, and the switch valve is a manual valve or an electromagnetic valve. In some possible designs, the priming device further includes a fixture arranged along a height direction of the working frame with the priming tank, the fixture being operable to abut the cell to pre-position the cell. The