A positioning structure for coating metal foil in lithium ion battery manufacturing

Abstract

The utility model discloses a kind of lithium ion battery manufacturing coating metal foil positioning structure, it is related to lithium ion battery manufacturing technical field, including assembly frame, the upper surface front and back side of assembly frame is fixedly connected with fixed box, the inside of fixed box is close to the side of assembly frame center and is uniformly provided with movable plate, the surface of movable plate is uniformly opened with recess to one side, rotatingly connected with rotating roller in the inner surface of recess, the inner surface upside of fixed box is rotatably connected with two-way screw rod, the inner surface of fixed box is fixedly connected with guide rod below two-way screw rod. Compared with the existing ordinary lithium ion battery manufacturing coating metal foil positioning structure, the lithium ion battery manufacturing coating metal foil positioning structure can not only position metal foil, but also adaptively adjust according to metal foil of different width, effectively prevent deviation positioning for metal foil of various sizes.

Description

Technical Field

[0001] This utility model relates to the field of lithium-ion battery manufacturing technology, specifically to a positioning structure for coated metal foil in lithium-ion battery manufacturing. Background Technology

[0002] Lithium-ion battery metal foil coating is a key process that involves uniformly coating electrode slurry onto copper foil (negative electrode) or aluminum foil (positive electrode), directly affecting battery performance. During metal foil coating, the foil ends need to be welded into a continuous strip to ensure production continuity.

[0003] When conveying and coating metal foil, the metal foil is positioned by multiple upper and lower combined conveyor rollers and directly fed into the coating machine for coating. However, the positioning of the conveyor roller group can only prevent the metal foil from falling off, and it is difficult to restrict the front and rear orientation of the metal foil. This may cause the metal foil to be conveyed in an inclined state when conveying to the coating machine, that is, offset. The offset metal foil will result in uneven coating, or even large areas of uncoated areas, affecting the coating quality of the metal foil.

[0004] Therefore, in view of this, we have studied and improved the existing structure to address its shortcomings, and proposed a positioning structure for coated metal foil in lithium-ion battery manufacturing. Utility Model Content

[0005] The purpose of this invention is to provide a positioning structure for coated metal foil in lithium-ion battery manufacturing, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a positioning structure for coated metal foil in lithium-ion battery manufacturing, comprising an assembly frame, with fixed boxes fixedly connected to the front and rear sides of the upper surface of the assembly frame, and movable plates provided inside the fixed boxes near the center of the assembly frame, with grooves formed on opposite sides of the surfaces of the movable plates, and rotating rollers evenly distributed and rotatably connected to the inner surfaces of the grooves, a bidirectional lead screw rotatably connected to the upper side of the inner surface of the fixed boxes, and a guide rod fixedly connected to the lower side of the bidirectional lead screw on the inner surface of the fixed boxes, with a drive motor connected to the right end of the bidirectional lead screw penetrating the fixed boxes, and adjusting seats fitted on the left and right sides of the surfaces of the bidirectional lead screw and the guide rod, with the adjusting seats threadedly connected to the bidirectional lead screw, and a movable rod rotatably connected to the side of the adjusting seat near the movable plate, the movable rod being rotatably connected to the movable plate.

[0007] Preferably, the left and right ends of the surface of the assembly frame are rotatably connected to conveying rollers, and the diameter of the conveying rollers is greater than the thickness of the assembly frame.

[0008] Preferably, the left end of the outer surface of the fixed box is fixedly connected to a protrusion, and the surface of the protrusion is rotatably connected to the same cleaning roller on the opposite side.

[0009] Preferably, the cleaning roller is hollow inside, and air holes are evenly distributed on the surface of the cleaning roller, and the air holes are connected to the inside of the cleaning roller.

[0010] Preferably, an air pump is fixedly connected to the upper side of the outer surface of the front fixed box of the assembly frame, and a filter box is connected to the left end of the air pump via a pipe.

[0011] Preferably, the filter box is fixedly connected to the front surface of the front protrusion, and the filter box is connected to the inside of the cleaning roller through a pipe passing through the protrusion.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model, through the arrangement of a movable plate, rotating roller, bidirectional lead screw, guide rod, drive motor, adjusting seat, and movable rod, guides the metal foil through the assembly frame before it enters the coating machine. The front and rear sides of the metal foil are limited by the rotating roller, thereby preventing the metal foil from deviating when entering the coating machine. This positioning of the metal foil improves the coating accuracy of the metal foil. Furthermore, the rotating roller's own rotatable structure prevents friction between the roller and the metal foil, ensuring the conveying quality of the metal foil. At the same time, the drive motor can drive the bidirectional lead screw to rotate. Under the limitation of the guide rod, the adjusting seat will not rotate synchronously with the bidirectional lead screw, but will only move in opposite directions due to the thread force. The movable rod pushes the movable plate to extend out of the fixed box and move towards the center of the assembly frame, thereby reducing the front and rear distance of the conveying in the center of the assembly frame. This allows for adjustment according to metal foil of different widths, effectively preventing deviation and positioning of metal foil of various sizes.

[0014] 2. This utility model, through the arrangement of a cleaning roller, air holes, an air pump, and a filter box, ensures that when the metal foil passes the leftmost end of the assembly frame, the metal foil comes into contact with the cleaning roller. The cleaning roller rolls against the surface of the metal foil, wiping away the dust on the coated surface. At the same time, the air pump draws in the dust through the filter box, and the dust and ash wiped off will directly enter the cleaning roller through the air holes, and then follow the airflow into the filter box. After being blocked and adsorbed by the filter element, the dust and impurities will be collected in the filter box. This not only effectively wipes and cleans the metal foil, improving the quality of subsequent coating, but also collects the wiped dust, preventing dust from floating in the air and polluting the working environment, as well as preventing secondary adhesion. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0016] Figure 2 This is a cross-sectional view of the fixing box of this utility model;

[0017] Figure 3This is a schematic diagram of the disassembled structure of the filter box and the protrusion of this utility model.

[0018] In the diagram: 1. Assembly frame; 2. Fixed box; 3. Movable plate; 4. Groove; 5. Rotary roller; 6. Bidirectional lead screw; 7. Guide rod; 8. Drive motor; 9. Adjusting seat; 10. Movable rod; 11. Conveying roller; 12. Protrusion; 13. Cleaning roller; 14. Air hole; 15. Air pump; 16. Filter box. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1-3 As shown, a positioning structure for coating metal foil in lithium-ion battery manufacturing includes an assembly frame 1. A fixed box 2 is fixedly connected to both the front and rear sides of the upper surface of the assembly frame 1. A movable plate 3 is provided inside the fixed box 2 near the center of the assembly frame 1. Grooves 4 are formed on opposite sides of the surface of the movable plate 3. Rotary rollers 5 are evenly distributed and rotatably connected to the inner surface of the grooves 4. A bidirectional lead screw 6 is rotatably connected to the upper side of the inner surface of the fixed box 2. A guide rod 7 is fixedly connected to the inner surface of the fixed box 2 below the bidirectional lead screw 6. A drive motor 8 is connected to the right end of the bidirectional lead screw 6 through the fixed box 2. Adjusting seats 9 are fitted on the left and right sides of the surfaces of the bidirectional lead screw 6 and the guide rod 7, and the adjusting seats 9 are threadedly connected to the bidirectional lead screw 6. A movable rod 10 is rotatably connected to the side of the adjusting seat 9 near the movable plate 3, and the movable rod 10 is rotatably connected to the movable plate 3. The rotating roller 5 protrudes from the groove 2.

[0021] By adopting the above technical solution, before the metal foil is conveyed into the coating machine, the metal foil is guided by the assembly frame 1, and the front and rear sides of the metal foil are limited by the rotating roller 5, thereby preventing the metal foil from deviating when entering the coating machine and positioning the metal foil conveying.

[0022] By utilizing the rotatable structure of the roller 5, sliding friction is transformed into rolling friction, reducing friction and preventing the roller 5 from rubbing against the metal foil, thus ensuring the conveying quality of the metal foil;

[0023] The drive motor 8 can drive the bidirectional lead screw 6 to rotate. Under the limit of the guide rod 7, the adjusting seat 9 will not rotate synchronously with the bidirectional lead screw 6, but will only be subjected to the thread force to move in opposite directions. The movable rod 10 pushes the movable plate 3 to extend out of the fixed box 2 and move towards the middle of the assembly frame 1, thereby reducing the front and rear distance of the conveying in the middle of the assembly frame 1. It can be adjusted according to the metal foil of different widths.

[0024] Furthermore, conveying rollers 11 are rotatably connected to both the left and right ends of the surface of the assembly frame 1, and the diameter of the conveying rollers 11 is greater than the thickness of the assembly frame 1.

[0025] By adopting the above technical solution, the conveying roller 11 guides the metal foil and prevents the metal foil from contacting the assembly frame 1, thus avoiding surface wear caused by contact between the metal foil and the assembly frame 1.

[0026] Furthermore, the left end of the outer surface of the fixed box 2 is fixedly connected to the protrusion 12, and the surface of the protrusion 12 is rotatably connected to the same cleaning roller 13 on the opposite side.

[0027] By adopting the above technical solution, when the metal foil passes through the leftmost end of the assembly frame 1, the metal foil will come into contact with the cleaning roller 13. The cleaning roller 13 rolls against the surface of the metal foil to wipe away the dust on the coated surface of the metal foil.

[0028] Furthermore, the interior of the cleaning roller 13 is hollow, and air holes 14 are evenly distributed on the surface of the cleaning roller 13, and the air holes 14 are connected to the interior of the cleaning roller 13.

[0029] By adopting the above technical solution, the dust wiped off will enter the cleaning roller 13 through the air hole 14.

[0030] Furthermore, an air pump 15 is fixedly connected to the upper side of the outer surface of the front fixed box 2 of the assembly frame 1, and a filter box 16 is connected to the left end of the air pump 15 via a pipe; the filter box 16 is fixedly connected to the front surface of the front protrusion 12, and the filter box 16 is connected to the inside of the cleaning roller 13 via a pipe passing through the protrusion 12.

[0031] By adopting the above technical solution, the air pump 15 draws in the filter box 16, and the dust and ash from wiping will enter the cleaning roller 13 directly through the air hole 14, and then follow the airflow into the filter box 16. After being blocked and adsorbed by the filter element, the dust and impurities will be collected in the filter box 16.

[0032] Working Principle: When using this lithium-ion battery to manufacture the positioning structure for coated metal foil, the assembly frame 1 is first installed at the feed inlet of the coating machine. Before coating, the metal foil is guided and conveyed by the assembly frame 1. As the metal foil passes through the assembly frame 1, its front and rear sides are limited by the rotating rollers 5, preventing it from shifting during coating. Depending on the width of the metal foil, the drive motor 8 can rotate the bidirectional lead screw 6. The adjusting seat 9, limited by the guide rod 7, will not rotate synchronously with the bidirectional lead screw 6, but will only move in opposite directions due to the threaded force. The movable rod 10 pushes the movable plate 3 to extend out of the fixed box 2 and move towards the center of the assembly frame 1, thereby reducing the front-to-back distance of the conveyed metal foil in the center of the assembly frame 1. This allows for adjustment according to the width of the metal foil, ensuring that metal foils of different widths are conveyed evenly. The rotating roller 5 effectively limits the movement of metal foils of different widths, preventing them from shifting during transport. When the metal foil passes the leftmost end of the assembly frame 1, that is, before entering the coating machine, the metal foil comes into contact with the cleaning roller 13. The cleaning roller 13 rolls against the surface of the metal foil, wiping away the dust on the coating surface. At the same time, the air pump 15 draws in the dust through the filter box 16. The dust and ash from wiping enter the cleaning roller 13 directly through the air hole 14, and then follow the airflow into the filter box 16. After being blocked and adsorbed by the filter element, the dust and impurities are collected in the filter box 16. This not only effectively wipes and cleans the metal foil, improving the quality of subsequent coating, but also collects the dust, preventing it from floating in the air and polluting the working environment, as well as causing secondary adhesion. This is the working principle of the positioning structure for the coated metal foil in lithium-ion battery manufacturing.

Claims

1. A positioning structure for coated metal foil in lithium-ion battery manufacturing, comprising an assembly frame (1), characterized in that, The upper surface of the assembly frame (1) is fixedly connected to the front and rear sides of the fixed box (2). The fixed box (2) is provided with a movable plate (3) on the side of the assembly frame (1) near the center. The surface of the movable plate (3) is provided with grooves (4) on opposite sides. The inner surface of the grooves (4) is evenly distributed with rotating rollers (5). The upper side of the inner surface of the fixed box (2) is rotatably connected with a double-acting screw (6). The inner surface of the fixed box (2) is fixedly connected with a guide rod (7) on the lower side of the double-acting screw (6). The right end of the double-acting screw (6) passes through the fixed box (2) and is connected to a drive motor (8). The left and right sides of the surfaces of the double-acting screw (6) and the guide rod (7) are fitted with adjusting seats (9), and the adjusting seats (9) are threaded to the double-acting screw (6). The side of the adjusting seat (9) near the movable plate (3) is rotatably connected with a movable rod (10), and the movable rod (10) is rotatably connected to the movable plate (3).

2. The positioning structure for coated metal foil in lithium-ion battery manufacturing according to claim 1, characterized in that, The assembly frame (1) has conveyor rollers (11) rotatably connected to both the left and right ends of its surface, and the diameter of the conveyor rollers (11) is greater than the thickness of the assembly frame (1).

3. The positioning structure for coated metal foil in lithium-ion battery manufacturing according to claim 1, characterized in that, The outer surface of the fixed box (2) is fixedly connected to the left end by a protrusion (12), and the surface of the protrusion (12) is rotatably connected to the same cleaning roller (13) on the opposite side.

4. The positioning structure for coated metal foil in lithium-ion battery manufacturing according to claim 3, characterized in that, The cleaning roller (13) is hollow inside, and air holes (14) are evenly distributed on the surface of the cleaning roller (13), and the air holes (14) are connected to the inside of the cleaning roller (13).

5. The positioning structure for coated metal foil in lithium-ion battery manufacturing according to claim 1, characterized in that, An air pump (15) is fixedly connected to the upper side of the outer surface of the front fixing box (2) of the assembly frame (1), and a filter box (16) is connected to the left end of the air pump (15) via a pipe.

6. A positioning structure for coated metal foil in lithium-ion battery manufacturing according to claim 5, characterized in that, The filter box (16) is fixedly connected to the front surface of the front protrusion (12), and the filter box (16) is connected to the inside of the cleaning roller (13) through the protrusion (12) via a pipe.

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