一种镍氢电池电解液定量注液机
By introducing a positioning component and a centrifuge into the nickel-metal hydride battery electrolyte injection machine, the quantitative problems and inaccurate positioning of magnets in traditional injection methods have been solved, realizing rapid and convenient positioning and quantitative injection of electrolyte during the injection process, thereby improving battery production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN CHUJIU NEW ENERGY CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional nickel-metal hydride battery electrolyte injection methods are difficult to achieve quantitative injection, resulting in too much or too little injection, which affects battery life. At the same time, the magnetic adsorption positioning is not accurate and requires repeated adjustments.
The system employs a positioning assembly, including a slide plate, a fixing rod, a fixing block, and a spring structure. By pressing the rod, the slide plate is moved, enabling rapid positioning of the injection component and the battery frame. Combined with the centrifugal force of the centrifuge, quantitative injection of electrolyte is achieved.
It enables rapid and convenient positioning during the electrolyte injection process, improves injection efficiency, ensures quantitative injection of electrolyte, and enhances the stability and efficiency of battery production.
Smart Images

Figure CN224520146U_ABST
Abstract
Claims
1. A quantitative liquid injection machine for nickel-hydrogen battery electrolyte, comprising a base (1), characterized in that: The base (1) is provided with a liquid injection device (3), the upper surface of the base (1) is provided with a centrifuge (4), the inner bottom wall of the centrifuge (4) is provided with a centrifuge rack (7), the centrifuge rack (7) is connected to a centrifuge frame (701) by a rotating shaft, the centrifuge frame (701) is provided with an injection component (8) and a battery frame (9) inside, and the injection component (8) is located above the battery frame (9), and the battery frame (9) is provided with a positioning component (2). The positioning component (2) includes a through groove (208) opened on the battery frame (9). A slide plate (201) is slidably connected to the inner wall of the through groove (208). A push rod (207) is fixed on one side of the slide plate (201). Two fixing rods (202) are fixed on the upper surface of the slide plate (201). Two fixing blocks (203) are slidably connected to the inner wall of the through groove (208). The fixing blocks (203) are located above the slide plate (201). A sliding groove (204) is opened on the fixing blocks (203). The outer surface of the fixing rod (202) is slidably connected to the inner wall of the sliding groove (204). Limiting rods (205) are fixed on the side of the two fixing blocks (203) that are close to each other. Springs (206) are fixed on the side of the two fixing blocks (203) that are far away from each other. The end of the spring (206) that is far away from the fixing block (203) is fixed to the inner wall of the through groove (208).
2. The quantitative liquid injection machine for electrolyte of a nickel-hydrogen battery according to claim 1, characterized in that: The bottom surface of the injection part (8) is fixed with a positioning block (803), and the battery frame (9) is provided with a positioning groove (902), and the positioning block (803) is inserted into the positioning groove (902).
3. The nickel-metal hydride battery electrolyte metering dispenser according to claim 2, characterized in that: The positioning block (803) has a limiting groove (8031) and the limiting rod (205) is inserted into the limiting groove (8031).
4. The quantitative liquid injection machine for electrolyte of a nickel-hydrogen battery according to claim 1, characterized in that: The injection component (8) is fixed with multiple injection cylinders (801), and a second injection head (802) is installed at the bottom of the injection cylinder (801). The battery frame (9) is provided with multiple battery slots (901), and the second injection head (802) corresponds to the battery slot (901).
5. The quantitative liquid injection machine for the electrolyte of the nickel-hydrogen battery according to claim 1, characterized in that: The liquid injection device (3) includes two fixed frames (301) fixed on the upper surface of the base (1). The two fixed frames (301) are provided with a moving groove (302) on the side close to each other. A rotary motor (303) is fixed on the upper surface of the left fixed frame (301). The output shaft end of the rotary motor (303) passes through the fixed frame (301) and is fixed with a threaded rod (304). The bottom end of the threaded rod (304) is rotatably connected to the inner bottom wall of the moving groove (302). A threaded block (305) is threadedly connected to the outer surface of the threaded rod (304). A mounting plate (306) is fixed on one side of the threaded block (305).
6. The quantitative liquid injection machine for electrolyte of a nickel-hydrogen battery according to claim 5, characterized in that: A sliding rod (308) is fixed on the inner wall of the movable groove (302) on the right fixed frame (301). A slider (307) is slidably connected to the outer surface of the sliding rod (308), and one side of the slider (307) is fixed to one side of the mounting plate (306).
7. The quantitative liquid injection machine for electrolyte of a nickel-hydrogen battery according to claim 5, characterized in that: The bottom surface of the mounting plate (306) is mounted with an injection box (5), the bottom surface of the injection box (5) is mounted with a plurality of first injection heads (6), and the first injection heads (6) are located directly above the liquid injection cylinder (801).