Dustproof lithium battery slitting machine
By using the dust removal components of electrostatic plates and dust collecting plates in the lithium battery stripper, the problem of dust adsorbing the electrode sheet during the slitting process is solved, the quality of the electrode is improved and the cleaning process is simplified.
Patent Information
- Application Number
- CN202421653188.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The lithium battery electrode sheet is prone to adsorbing dust during the slitting process, affecting the quality of the electrode.
A dust-proof lithium battery stripper is designed, which uses a dust removal component composed of an electrostatic plate and a dust collection plate. When the dust passes through the electrostatic plate, it is then absorbed and collected by the dust collection plate.
It effectively reduces dust adsorbed on the surface of the electrode material, improves the quality of the electrode, and facilitates cleaning through a dust collecting frame that can be lifted and slid horizontally.
Smart Images

Figure CN222818028U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery production, in particular to a dust-proof lithium battery slitting machine. Background Art
[0002] Lithium battery slitting machine is one of the key equipment in the lithium battery production process. It is mainly used to cut continuous battery electrodes or diaphragm materials into predetermined widths to meet the needs of subsequent battery manufacturing processes. These electrodes are usually copper foil or aluminum foil coated with positive or negative active materials, while the diaphragm is a microporous membrane used to separate the positive and negative electrodes and allow ions to pass through.
[0003] Currently, lithium batteries require many production processes in the production process, among which electrode sheets need to be cut using a slitting machine. Since electrode sheets are one of the important accessories of lithium batteries, they need to be kept clean during the production process. However, the surface of the electrode sheets of existing slitting machines easily absorbs dust during the cutting process, so improvements are needed. Utility Model Content
[0004] The utility model aims to provide a dust-proof lithium battery slitting machine to solve the problem of dust being easily absorbed during the electrode sheet slitting process proposed in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical solutions: a dust-proof lithium battery slitting machine, comprising a first fixed frame, a slitting knife roller, an upper roller and an active roller are rotatably connected inside the first fixed frame, and a dust removal component is arranged at one end of the first fixed frame;
[0006] The dust removal assembly includes a second fixing frame fixed at one end of the first fixing frame, a dust collecting frame is slidably connected inside the second fixing frame, a dust collecting plate and an electrostatic plate are fixedly connected inside the dust collecting frame, and the electrostatic plate is located at one end of the dust collecting plate.
[0007] Preferably, a hydraulic cylinder is fixedly connected to the top of the second fixing frame, and a mounting box is fixedly connected to one end of the hydraulic cylinder.
[0008] Preferably, a fixing seat is fixedly connected to the inner side of the installation box, a threaded rod is rotatably connected to the inner side of the fixing seat, and a second motor is installed on one side of the fixing seat.
[0009] Preferably, the outer wall of the threaded rod is threadedly connected to a lead screw slide, and the bottom of the lead screw slide is fixedly connected to a dust collecting frame.
[0010] Preferably, a limit rod is fixedly connected to the top side of the dust collecting frame, and the limit rod is symmetrically distributed about the bisector of the dust collecting frame.
[0011] Preferably, the limit rod has a "T"-shaped structure, one end of the limit rod passes through the second fixed frame and is located at the top of the second fixed frame, one end of the second fixed frame is hinged with a door panel, and a passive roller is rotatably connected inside the second fixed frame, and the passive roller and the active roller are located on the same horizontal line.
[0012] Preferably, a grounding wire is connected to the bottom side of the first fixing frame, a first motor is installed on one side of the first fixing frame, and the first motor is connected to one side of the slitting knife roller.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] (1) The device can collect dust on the electrode material in time, thereby reducing dust adsorption on the electrode material and improving the quality of the electrode.
[0015] (2) The device sets a dust removal component at the feeding end of the first fixed frame. The dust removal component includes an electrostatic plate and a dust collecting plate. When the dust passes through the electrostatic plate, the dust is charged with static electricity. When the dust moves to the dust collecting plate, the charged dust is adsorbed and collected by the dust collecting plate, thereby reducing the dust adsorbed on the surface of the electrode material and improving the quality of electrode production.
[0016] (3) The device arranges the electrostatic plate and the dust collecting plate inside the dust collecting frame, and arranges the dust collecting frame inside the second fixed frame so that it can be lifted and lowered and slid laterally, thereby allowing the dust collecting frame to be moved to the outside of the second fixed frame, making it easier for staff to clean the electrostatic plate and the dust collecting plate inside the dust collecting frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of a dust-proof lithium battery slitting machine of the utility model;
[0018] Figure 2 This is a side sectional view of a dust-proof lithium battery slitting machine of the utility model;
[0019] Figure 3 The utility model is a kind of dust-proof lithium battery slitting machine Figure 2 Enlarged view of point A in the middle.
[0020] In the figure: 1. Slitting knife roller; 2. First motor; 3. Upper roller; 4. Active roller; 5. First fixed frame; 6. Dust removal assembly; 61. Hydraulic cylinder; 62. Limit rod; 63. Second fixed frame; 64. Mounting box; 65. Dust collecting frame; 66. Dust collecting plate; 67. Door panel; 68. Passive roller; 69. Electrostatic plate; 610. Second motor; 611. Fixed seat; 612. Threaded rod; 613. Screw slide; 7. Ground wire. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-3 The utility model provides a technical solution: a dust-proof lithium battery slitting machine, comprising a first fixed frame 5, wherein a slitting knife roller 1, an upper roller 3 and an active roller 4 are rotatably connected inside the first fixed frame 5, a grounding wire 7 is connected to the bottom side of the first fixed frame 5, a first motor 2 is installed on one side of the first fixed frame 5, and the first motor 2 is connected to one side of the slitting knife roller 1; this structure can drive the slitting knife roller 1 to automatically rotate to cut the electrode sheet through the first motor 2; a dust removal component 6 is arranged at one end of the first fixed frame 5;
[0023] The dust removal assembly 6 includes a second fixing frame 63 fixed to one end of the first fixing frame 5, a hydraulic cylinder 61 is fixedly connected to the top of the second fixing frame 63, and a mounting box 64 is fixedly connected to one end of the hydraulic cylinder 61; this structure can drive the height of the mounting box 64 to be adjusted through the hydraulic cylinder 61, so that after the mounting box 64 is raised, it is convenient for the staff to clean the dust inside the dust collecting frame 65, and the cleaning method can be an air gun; a fixing seat 611 is fixedly connected to the inner side of the mounting box 64, and a threaded rod 612 is rotatably connected to the inner side of the fixing seat 611. A second motor 610 is installed on the side; this structure can drive the threaded rod 612 to rotate automatically through the second motor 610; the outer wall of the threaded rod 612 is threadedly connected with a lead screw slide 613, and the bottom of the lead screw slide 613 is fixedly connected to a dust collecting frame 65; this structure can drive the lead screw slide 613 and the dust collecting frame 65 to move linearly through the rotation of the threaded rod 612, thereby moving the dust collecting frame 65 to the outside of the second fixed frame 63 for cleaning; the top side of the dust collecting frame 65 is fixedly connected with a limit rod 62, and the limit rod 62 is symmetrical about the bisector of the dust collecting frame 65. Cloth; this structure can improve the stability of the dust collecting frame 65 during the lifting process by setting the limiting rod 62; the limiting rod 62 is a "T"-shaped structure, one end of the limiting rod 62 passes through the second fixing frame 63 and is located at the top of the second fixing frame 63, and one end of the second fixing frame 63 is hinged with a door panel 67, and one end of the second fixing frame 63 can be opened by setting the door panel 67, so that it is convenient to remove the installation box 64 from the inside of the second fixing frame 63 for cleaning, and the second fixing frame 63 is rotatably connected with a passive roller 68, and the passive roller 68 and the active roller 4 are located on the same horizontal line. ; This structure can realize the transportation of electrode materials through the passive roller 68 and the active roller 4; the second fixed frame 63 is slidably connected to the inside of the dust collecting frame 65, and the inner side of the dust collecting frame 65 is fixedly connected to the dust collecting plate 66 and the electrostatic plate 69. The electrostatic plate 69 can make the dust passing through it carry static electricity. When the dust moves to the dust collecting plate 66, it is electrostatically adsorbed by the dust collecting plate 66. The electrostatic plate 69 is located at one end of the dust collecting plate 66; during the use of this device, the inner walls of the first fixed frame 5 and the second fixed frame 63 are coated with an anti-static coating to improve the safety of using the device.
[0024] Working principle: When using the dust-proof lithium battery slitting machine, the electrode material first enters the second fixed frame 63 from the right side, and the electrode material first passes through the electrostatic plate 69 to charge the dust on the electrode material with static electricity. When the electrode material moves to the dust collecting plate 66, the charged dust is adsorbed and collected by the dust collecting plate 66. Then the electrode material enters the first fixed frame 5 and contacts the slitting knife roller 1 for slitting. The static electricity generated during the processing of the electrode material is discharged through the grounding wire 7, thereby ensuring the safety of using the device. If it is necessary to clean the dust on the dust collecting plate 66, first turn and open the door panel 67, and then start the second motor 610, so that the second motor 610 drives the threaded rod 612 to rotate and drive the lead screw slide 613 and the dust collecting frame 65 to move horizontally to the outside of the second fixed frame 63, and then the dust collecting frame 65 rises. At this time, the staff can clean the dust inside the dust collecting frame 65.
[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A dust-proof lithium battery slitting machine, comprising a first fixed frame (5), wherein a slitting knife roller (1), an upper roller (3) and an active roller (4) are rotatably connected inside the first fixed frame (5), characterized in that: A dust removal assembly (6) is provided at one end of the first fixing frame (5); The dust removal assembly (6) comprises a second fixed frame (63) fixed to one end of the first fixed frame (5); a dust collecting frame (65) is slidably connected inside the second fixed frame (63); a dust collecting plate (66) and an electrostatic plate (69) are fixedly connected inside the dust collecting frame (65); and the electrostatic plate (69) is located at one end of the dust collecting plate (66).
2. The dust-proof lithium battery slitting machine according to claim 1, characterized in that: The top of the second fixing frame (63) is fixedly connected to a hydraulic cylinder (61), and one end of the hydraulic cylinder (61) is fixedly connected to a mounting box (64).
3. The dust-proof lithium battery slitting machine according to claim 2, characterized in that: A fixing seat (611) is fixedly connected to the inner side of the installation box (64), a threaded rod (612) is rotatably connected to the inner side of the fixing seat (611), and a second motor (610) is installed on one side of the fixing seat (611).
4. The dust-proof lithium battery slitting machine according to claim 3, characterized in that: The outer wall of the threaded rod (612) is threadedly connected to a lead screw slide (613), and the bottom of the lead screw slide (613) is fixedly connected to a dust collecting frame (65).
5. The dust-proof lithium battery slitting machine according to claim 1, characterized in that: The top side of the dust collecting frame (65) is fixedly connected to a limiting rod (62), and the limiting rod (62) is symmetrically distributed with respect to the bisector of the dust collecting frame (65).
6. The dust-proof lithium battery slitting machine according to claim 5, characterized in that: The limiting rod (62) is in a "T"-shaped structure. One end of the limiting rod (62) passes through the second fixing frame (63) and is located at the top of the second fixing frame (63). One end of the second fixing frame (63) is hinged with a door panel (67). A passive roller (68) is rotatably connected inside the second fixing frame (63). The passive roller (68) and the active roller (4) are located on the same horizontal line.
7. The dust-proof lithium battery slitting machine according to claim 1, characterized in that: A grounding wire (7) is connected to the bottom side of the first fixed frame (5); a first motor (2) is installed on one side of the first fixed frame (5); and the first motor (2) is connected to one side of the slitting knife roller (1).