Dry ice cleaning device for battery liquid injection hole
By designing a dry ice cleaning device for battery injection holes, dry ice particles are used to hedge and peel off the electrolyte residue, solving the welding problem caused by electrolyte residue in automated battery production, and achieving an efficient and labor-saving cleaning effect.
Patent Information
- Application Number
- CN202421372568.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-14
AI Technical Summary
In the automated production of batteries, the residual electrolyte in the injection hole will cause welding splash and large holes in the weld, making laser cleaning difficult to thoroughly clean, and the operation is time-consuming and labor-intensive.
A dry ice cleaning device for battery injection holes is designed, and the feed pipe is inserted into the injection hole through an electric telescopic rod, and the residual electrolyte is peeled off by using dry ice particles, and the cleaning effect is ensured through the exhaust fan and the filter box.
Effectively removes the electrolyte residue in the injection hole, avoiding welding splashes and weld holes, making operation more time-saving and labor-saving, and significantly improving the cleaning effect.
Smart Images

Figure CN222753947U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery liquid injection hole cleaning, in particular to a battery liquid injection hole dry ice cleaning device. Background Art
[0002] In the automated production of batteries, after the battery cells and covers are packaged, the electrolyte needs to be automatically poured through the filling holes on the cover. After the filling is completed, the filling holes are sealed with sealing nails and welded to seal.
[0003] In automated production, electrolyte usually remains in the injection hole. The residual electrolyte will cause welding spatter during welding, and large holes will appear in the weld, making the weld unable to seal the injection hole, and the product scrapped. Although laser cleaning can be used, it is difficult to clean it thoroughly when there is a lot of residual electrolyte, and the operation is more time-consuming and labor-intensive. Therefore, a dry ice cleaning device for battery injection holes is proposed. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a dry ice cleaning device for battery filling holes, which solves the problem that residual electrolyte will cause welding spatter during welding, large holes will appear in the weld, laser cleaning is difficult to clean, and the operation is more time-consuming and labor-intensive.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dry ice cleaning device for a battery filling hole comprises a base and a top plate located above the base, support plates are fixedly connected between the two sides of the top of the base and the two sides of the bottom of the top plate, the top of the top plate is fixedly connected with an electric telescopic rod through an opening, the telescopic end of the electric telescopic rod is fixedly connected with a feeding pipe, the outer surface of the feeding pipe is fixedly connected with a conical cover, one side of the top of the top plate is fixedly connected with a dry ice box through a fixing plate, the top of the top plate and the bottom of the dry ice box are fixedly connected with a feeding box with an opening, a feeding pipe is connected between the bottom of the dry ice box and the top of the feeding box, a feeding pipe is connected between the bottom of the feeding box and the outer surface of the feeding pipe, an exhaust fan is fixedly installed on the other side of the top of the top plate, the air outlet end of the exhaust fan is connected with an air outlet pipe, one end of the air outlet pipe passes through the feeding box and extends to the interior of the feeding box.
[0006] Preferably, a filter box is fixedly connected to the top of the top plate and located on one side of the exhaust fan, and an air inlet end of the exhaust fan is connected to an air inlet pipe, one end of the air inlet pipe passes through the filter box and extends to the interior of the filter box.
[0007] Preferably, one side of the filter box is connected to a ventilation pipe.
[0008] Preferably, the front and rear parts of the inner cavity of the filter box are fixedly connected with concave plates, and a filter plate is arranged between opposite sides of the two concave plates.
[0009] Preferably, the top of the dry refrigerator is connected to a feeding pipe, and the outer surface of the feeding pipe is provided with a first electromagnetic valve.
[0010] Preferably, a second electromagnetic valve is provided on the outer surface of the feeding tube.
[0011] Beneficial Effects
[0012] The utility model provides a dry ice cleaning device for battery filling holes. Compared with the existing technology, it has the following beneficial effects:
[0013] (1) The utility model controls the extension of the electric telescopic rod so that the electric telescopic rod drives the feeding pipe to be inserted into the liquid injection hole, blows air through the air outlet pipe on the exhaust fan, and passes the dry ice particles in the feeding box into the feeding pipe through the feeding pipe, thereby passing the dry ice particles into the liquid injection hole. The dry ice particles will impact the electrolyte remaining in the liquid injection hole, peel off the electrolyte and take it away, so that the residual electrolyte in the liquid injection hole can be easily cleaned, and the operation is more time-saving and labor-saving.
[0014] (2) The utility model draws air through the air inlet pipe on the exhaust fan, so that the air inlet pipe draws air from the outside through the filter box and the air inlet pipe, and filters the air through the filter plate to prevent the air from mixing with the dry ice particles, so that the liquid injection hole can be cleaned more thoroughly. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the external structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the internal structure of the top plate, electric telescopic rod, material passage pipe, conical cover, exhaust fan, dry refrigerator and filter box of the utility model;
[0017] Figure 3 The utility model is a schematic diagram of the internal structure of the filter box, air inlet pipe, ventilation pipe, concave plate and filter plate.
[0018] In the figure: 1. base; 2. top plate; 3. support plate; 4. electric telescopic rod; 5. feeding pipe; 6. conical cover; 7. dry refrigerator; 8. feeding box; 9. feeding pipe; 10. feeding pipe; 11. exhaust fan; 12. exhaust pipe; 13. filter box; 14. air inlet pipe; 15. ventilation pipe; 16. concave plate; 17. filter plate; 18. feeding pipe; 19. first electromagnetic valve; 20. second electromagnetic valve. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0020] See also Figure 1-3 The utility model provides a technical solution: a dry ice cleaning device for a battery filling hole comprises a base 1 and a top plate 2 located above the base 1, support plates 3 are fixedly connected between the two sides of the top of the base 1 and the two sides of the bottom of the top plate 2, an electric telescopic rod 4 is fixedly connected to the top of the top plate 2 through an opening, the electric telescopic rod 4 is electrically connected to an external power supply and is controlled by a control switch, a feed pipe 5 is fixedly connected to the telescopic end of the electric telescopic rod 4, a conical cover 6 is fixedly connected to the outer surface of the feed pipe 5, a dry ice box 7 is fixedly connected to one side of the top of the top plate 2 through a fixing plate, a feed box 8 is fixedly connected to the top of the top plate 2 and located below the dry ice box 7 through an opening, and the bottom of the dry ice box 7 is connected to the feed box 8 A feeding pipe 9 is connected between the top of the dry ice box 7. As a detailed explanation, inclined plates are fixedly connected on both sides of the bottom of the inner cavity of the dry ice box 7 to facilitate the entry of dry ice particles into the feeding pipe 9. A second electromagnetic valve 20 is provided on the outer surface of the feeding pipe 9. The second electromagnetic valve 20 is electrically connected to an external power supply and is controlled by a control switch. A feeding pipe 10 is connected between the bottom of the feeding box 8 and the outer surface of the feeding pipe 5. The feeding pipe 10 is a hose. An exhaust fan 11 is fixedly installed on the other side of the top of the top plate 2. The exhaust fan 11 is electrically connected to an external power supply and is controlled by a control switch. The air outlet end of the exhaust fan 11 is connected to an air outlet pipe 12, and one end of the air outlet pipe 12 passes through the feeding box 8 and extends to the interior of the feeding box 8.
[0021] Furthermore, in order to facilitate the discharge of the cleaned electrolyte, a filter box 13 is fixedly connected to the top of the top plate 2 and located on one side of the exhaust fan 11, and the air inlet end of the exhaust fan 11 is connected to an air inlet pipe 14. One end of the air inlet pipe 14 passes through the filter box 13 and extends to the interior of the filter box 13. One side of the filter box 13 is connected to a ventilation pipe 15. The front and rear parts of the inner cavity of the filter box 13 are fixedly connected with concave plates 16, and a filter plate 17 is arranged between the opposite sides of the two concave plates 16.
[0022] It should be noted that a sliding door is hinged on the top of the filter box 13 through a hinge, and the filter plate 17 can be easily removed for cleaning by opening the sliding door.
[0023] Furthermore, in order to facilitate the addition of dry ice particles into the dry ice box 7, a feeding pipe 18 is connected to the top of the dry ice box 7, and a first electromagnetic valve 19 is provided on the outer surface of the feeding pipe 18. The first electromagnetic valve 19 is electrically connected to an external power supply and is controlled by a control switch.
[0024] When in use, the battery is placed on the base 1, and the liquid injection hole of the battery is aligned with the bottom of the feeding tube 5. By controlling the electric telescopic rod 4 to extend, the electric telescopic rod 4 will drive the feeding tube 5 to be inserted into the liquid injection hole of the battery. At the same time, the conical cover 6 will cover the top of the battery, and the second electromagnetic valve 20 will be opened to allow the dry ice particles in the dry ice box 7 to drop into the feeding box 8 through the inclined plate. The exhaust fan 11 is controlled to exhaust air, so that the air outlet pipe 12 blows air into the feeding box 8, and the dry ice particles in the feeding box 8 are blown into the feeding tube 5 through the feeding tube 10, so that the dry ice particles in the feeding tube 5 are passed into the liquid injection hole, and the dry ice particles will peel off and clean the electrolyte residues on the surface of the battery injection hole;
[0025] At the same time, the exhaust fan 11 will draw air through the air inlet pipe 14, and the air inlet pipe 14 will draw air from the outside through the filter box 13 and the ventilation pipe 15, and the air will be filtered by the filter plate 17 in the filter box 13, and the filtered gas will enter the exhaust fan 11 through the air inlet pipe 14.
Claims
1. A dry ice cleaning device for a battery filling hole, comprising a base (1) and a top plate (2) located above the base (1), characterized in that: Support plates (3) are fixedly connected between the two sides of the top of the base (1) and the two sides of the bottom of the top plate (2); the top of the top plate (2) is fixedly connected to an electric telescopic rod (4) through an opening; the telescopic end of the electric telescopic rod (4) is fixedly connected to a material passing pipe (5); the outer surface of the material passing pipe (5) is fixedly connected to a conical cover (6); one side of the top of the top plate (2) is fixedly connected to a dry ice box (7) through a fixing plate; the top of the top plate (2) and the bottom of the dry ice box (7) are fixedly connected to the top of the top plate (2). A feeding box (8) is fixedly connected to the opening on the side of the dry refrigerator (7), a feeding pipe (9) is connected between the bottom of the feeding box (8) and the top of the feeding box (8), a feeding pipe (10) is connected between the bottom of the feeding box (8) and the outer surface of the feeding pipe (5), an exhaust fan (11) is fixedly installed on the other side of the top of the top plate (2), the air outlet end of the exhaust fan (11) is connected to an air outlet pipe (12), and one end of the air outlet pipe (12) passes through the feeding box (8) and extends to the inside of the feeding box (8).
2. The dry ice cleaning device for battery filling holes according to claim 1, characterized in that: A filter box (13) is fixedly connected to the top of the top plate (2) and located on one side of the exhaust fan (11); an air intake end of the exhaust fan (11) is connected to an air intake pipe (14); one end of the air intake pipe (14) passes through the filter box (13) and extends to the interior of the filter box (13).
3. The dry ice cleaning device for battery filling holes according to claim 2, characterized in that: One side of the filter box (13) is connected to a ventilation pipe (15).
4. The dry ice cleaning device for battery filling holes according to claim 2, characterized in that: The front and rear parts of the inner cavity of the filter box (13) are fixedly connected with concave plates (16), and a filter plate (17) is arranged between opposite sides of the two concave plates (16).
5. The dry ice cleaning device for battery filling holes according to claim 1, characterized in that: The top of the dry refrigerator (7) is connected to a feeding pipe (18), and the outer surface of the feeding pipe (18) is provided with a first electromagnetic valve (19).
6. The dry ice cleaning device for battery filling holes according to claim 1, characterized in that: The outer surface of the feeding pipe (9) is provided with a second electromagnetic valve (20).