Pole piece and pole lug centralizer

Abstract

The utility model relates to the technical field of lithium battery production and processing, and particularly discloses a pole piece and pole lug centralizer, which solves the technical problems that a pole lug is turned over in the process that an existing pole piece passes through a roller, if the pole lug is turned over, a battery cell is short-circuited, and a very high safety risk exists, and comprises a centralizer main body, a smoothing plate is arranged on one side of the centralizer body, an air inlet is formed in the upper surface of the centralizer body, an air blowing opening is formed in one side of the centralizer body, a through hole is formed in the centralizer body, and when a pole lug passes through a roller, compressed air enters an air channel formed in the centralizer body from the air inlet and is blown out from the air blowing opening. According to the electrode lug flattening device, the electrode lug is flattened by blowing so as to assist the flattening plate in straightening the electrode lug, one side of the flattening plate is of the arc-shaped slope surface structure, and the electrode lug is straightened by utilizing the gradient angle when the electrode lug passes through the roller, so that the problem of electrode lug folding is solved from the generation end, and the folding rate of the electrode lug is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production and processing, in particular to a pole piece and pole ear straightener. Background Art

[0002] In lithium batteries, pole pieces refer to positive and negative electrode pieces. The positive electrode is usually made of positive active material coated on aluminum foil or copper foil, while the negative electrode is usually made of negative active material coated on copper foil or aluminum foil. These pole pieces are separated by separators during assembly and immersed in electrolytes, forming the core structure of the battery. The tab is a component in lithium batteries that connects the pole piece to the external circuit. It is usually a flat piece extending from aluminum foil or copper foil, connected to the external wire or battery management system by welding or crimping. The design and connection method of the tab have an important impact on the performance and safety of the battery.

[0003] However, in the existing electrode production process, the electrode needs to be processed by rollers. Due to the winding of the rollers of winding equipment such as winders and die-cutters, the pole ears will fold during the rolling process. If the pole ears fold, it will cause the battery cell to short circuit, posing a high safety risk. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a pole piece and pole ear straightener, which can solve the problem that the pole ear will fold during the roller process of the existing pole piece. If the pole ear folds, it will cause the battery cell to short circuit, posing a high safety risk. The utility model can flatten the pole ear by blowing out compressed air, thereby assisting the smoothing plate to straighten the pole ear, and at the same time use the gradual angle of the smoothing plate to straighten the pole ear, so as to solve the problem of pole ear folding from the end where it occurs, thereby greatly reducing the folding rate of the pole ear.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pole piece and pole ear centralizer, comprising a centralizer body, a caressing plate is arranged on one side of the centralizer body, an air inlet is opened on the upper surface of the centralizer body, a blowing port is opened on one side of the centralizer body, and a through hole is opened inside the centralizer body;

[0008] A fixing block is arranged on one side of the centralizer body, a mounting block is connected to one side of the fixing block, a mounting assembly is arranged inside the mounting block, the mounting assembly includes a screw, a nut and a clamping plate, and the mounting assembly is used to install the centralizer body onto the roller shaft.

[0009] Through the above technical scheme, when the pole ear passes through the roller, an air duct is arranged inside the main body of the straightener, and compressed air is sucked in through the air inlet and blown out through the blowing port, so as to flatten the pole ear, assist the straightener, and use the smoothing plate to straighten the pole ear, thereby achieving the purpose of solving the problem of the pole ear folding from the occurrence end.

[0010] Furthermore, one side of the caressing plate is a flat structure, and the other side of the caressing plate is an arc-shaped slope structure.

[0011] According to the technical solution, since one side of the smoothing plate is an arc-shaped slope structure, the gradual angle is utilized to straighten the pole lug when the pole lug passes the roller.

[0012] Furthermore, the air inlet and the air outlet are interconnected, and the air outlet is in a crescent-shaped structure.

[0013] Through the above technical solution, compressed air enters the air channel arranged inside the main body of the straightener from the air inlet and is blown out from the air outlet to flatten the pole ear, thereby assisting the smoothing plate to straighten the pole ear.

[0014] Furthermore, an adjustment component is arranged inside the fixed block, and the adjustment component includes a screw rod and a slide plate. The slide plate is sleeved on the outer surface of the screw rod. Limit blocks are arranged on the upper and lower sides of the slide plate respectively, and a connecting rod is fixedly connected to one side of the limit block.

[0015] Through the above technical solution, the position of the centralizer body can be adjusted using the adjustment component, so that the smoothing plate is accurately located above the pole ear, thereby accurately smoothing the pole ear.

[0016] Furthermore, a guide block is slidably connected inside the fixed block, and the guide block is connected to the connecting rod.

[0017] Through the above technical solution, the guide block can limit the movement of the centralizer body, so that the centralizer body moves horizontally when the position is adjusted, thereby preventing the centralizer body from tilting.

[0018] Furthermore, the outer surface of the mounting block is fixedly connected to a support seat, and the outer surface of the support seat is a flat structure.

[0019] Through the above technical solution, the support seat can provide supporting force for the nut, making it easy to stably install the stabilizer body on the roller shaft through the installation component.

[0020] Furthermore, the end of the screw rod is connected to the clamping plate, the clamping plate is in an arc-shaped structure, and the clamping plate is symmetrically distributed with respect to the transverse center line of the mounting block.

[0021] Through the above technical solution, the nut is rotated so that the clamping plate connected to the screw is tightly connected to the roller shaft, thereby installing the centralizer body on the roller shaft.

[0022] Furthermore, a connecting plate is fixedly connected to the end of the connecting rod, and the connecting plate is connected to the centralizer body.

[0023] Through the above technical solution, the connecting rod is connected to the centralizer body by using the connecting plate, so that the position of the centralizer body can be adjusted easily by driving the connecting rod.

[0024] Compared with the prior art, the utility model provides a pole piece and pole ear centralizer, which has the following beneficial effects:

[0025] In the utility model, when the pole lug passes over the roller, compressed air enters into the air passage arranged inside the main body of the straightener from the air inlet, and is blown out from the air outlet to flatten the pole lug, thereby assisting the smoothing plate to straighten the pole lug. Since one side of the smoothing plate is an arc-shaped slope structure, by utilizing this gradual angle, when the pole lug passes over the roller, the pole lug is straightened, so as to solve the problem of the pole lug folding from the occurrence end, which is beneficial to greatly reduce the folding rate of the pole lug, and the main body of the straightener can be stably installed on the roller shaft through the installation component, and the position of the main body of the straightener can be adjusted through the adjustment component, so that the smoothing plate is accurately located above the pole lug, thereby accurately smoothing the pole lug through the smoothing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a schematic diagram of the overall structure of the utility model from another perspective;

[0028] Figure 3 This is a schematic diagram of the connection structure between the fixing block and the mounting block in the utility model;

[0029] Figure 4 It is a cross-sectional structural schematic diagram of the mounting block in the utility model;

[0030] Figure 5 This is a schematic diagram of the connection structure between the connecting rod and the connecting plate in the utility model;

[0031] Figure 6 It is a cross-sectional structural schematic diagram of the fixing block in the utility model;

[0032] Figure 7 It is a schematic diagram of the connection structure between the slide plate and the limit block in the utility model.

[0033] Among them: 1. The main body of the centralizer; 2. The smoothing plate; 3. The air inlet; 4. The air blowing port; 5. The through hole; 6. The fixing block; 7. The mounting block; 8. The supporting seat; 9. The screw rod; 10. The nut; 11. The clamping plate; 12. The screw rod; 13. The slide plate; 14. The limit block; 15. The guide block; 16. The connecting rod; 17. The connecting plate. DETAILED DESCRIPTION

[0034] 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.

[0035] See also Figure 1-Figure 2 The utility model provides a technical solution: a pole piece and pole ear centralizer, comprising a centralizer body 1, a caressing plate 2 is arranged on one side of the centralizer body 1, an air inlet 3 is opened on the upper surface of the centralizer body 1, an air blowing port 4 is opened on one side of the centralizer body 1, one side of the caressing plate 2 is a flat structure, and the other side of the caressing plate 2 is an arc-shaped slope structure, the air inlet 3 and the air blowing port 4 are mutually connected, the air blowing port 4 is a crescent-shaped structure, and a through hole 5 is opened inside the centralizer body 1;

[0036] The principle of straightening the pole lug is as follows: when the pole lug passes over the roller, compressed air enters the air passage provided inside the straightener body 1 from the air inlet 3, and is blown out from the air outlet 4 to flatten the pole lug, thereby assisting the smoothing plate 2 in straightening the pole lug. Since one side of the smoothing plate 2 is an arc-shaped slope structure, by utilizing this gradual angle, the pole lug is straightened when the pole lug passes over the roller, so as to solve the problem of the pole lug folding from the occurrence end, which is beneficial to greatly reduce the folding rate of the pole lug.

[0037] See also Figure 1-Figure 7 A fixed block 6 is provided on one side of the centralizer body 1, and an adjustment component is provided inside the fixed block 6. The adjustment component includes a screw rod 12 and a slide plate 13. The slide plate 13 is sleeved on the outer surface of the screw rod 12. Limit blocks 14 are respectively provided on the upper and lower sides of the slide plate 13. A connecting rod 16 is fixedly connected to one side of the limit block 14. A guide block 15 is slidably connected inside the fixed block 6. The guide block 15 and the connecting rod 16 are connected to each other. A connecting plate 17 is fixedly connected to the end of the connecting rod 16. The connecting plate 17 is connected to the centralizer body 1.

[0038] The principle of being able to adjust the position of the stabilizer body 1 is: the staff can rotate the screw rod 12. Since the screw rod 12 is threadedly connected to the slide plate 13, the screw rod 12 can drive the slide plate 13 to slide inside the fixed block 6 by rotating, and the limit block 14 connected to the slide plate 13 limits it. The slide plate 13 drives the movement of the stabilizer body 1 through the connecting rod 16 and the connecting plate 17, thereby adjusting the position of the stabilizer body 1, and the guide block 15 can guide and limit the movement of the stabilizer body 1, so that the stabilizer body 1 moves horizontally when the position is adjusted, avoiding the stabilizer body 1 from tilting, and by adjusting the position of the stabilizer body 1, the smoothing plate 2 is accurately located above the pole ear, so that the pole ear is accurately smoothed by the smoothing plate 2.

[0039] See also Figure 1-Figure 4 A mounting block 7 is connected to one side of the fixing block 6, and a mounting assembly is arranged inside the mounting block 7. The mounting assembly includes a screw rod 9, a nut 10 and a clamping plate 11. The mounting assembly is used to install the centralizer body 1 on the roller shaft. The end of the screw rod 9 is connected to the clamping plate 11. The clamping plate 11 has an arc-shaped structure and is symmetrically distributed about the transverse center line of the mounting block 7.

[0040] The principle of installing the centralizer body 1 on the roller is as follows: first, the centralizer body 1 is sleeved on the roller so that the roller passes through the through hole 5 opened inside the centralizer body 1, and then the screw 9 is pushed so that the clamping plates 11 connected to the screw 9 are respectively fitted with the roller, and then the nut 10 is sleeved on the screw 9, and the nut 10 is rotated to position the screw 9 and ensure that the clamping plate 11 is tightly connected to the roller. At this time, the mounting block 7 is stably connected to the roller, and the centralizer body 1 is stably installed on the roller.

[0041] See also Figure 1-Figure 6 The outer surface of the mounting block 7 is fixedly connected with a support seat 8, and the outer surface of the support seat 8 is a flat structure.

[0042] The function of the support seat 8 is that the support seat 8 can provide a supporting force to the nut 10 , so as to facilitate the application of a tightening force to the clamping plate 11 connected to the screw rod 9 through the nut 10 .

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pole piece and tab centralizer, comprising a centralizer body (1), characterized in that: A smoothing plate (2) is provided on one side of the centralizer body (1), an air inlet (3) is provided on the upper surface of the centralizer body (1), an air blowing port (4) is provided on one side of the centralizer body (1), and a through hole (5) is provided inside the centralizer body (1); A fixing block (6) is arranged on one side of the centralizer body (1), a mounting block (7) is connected to one side of the fixing block (6), a mounting assembly is arranged inside the mounting block (7), the mounting assembly comprises a screw rod (9), a nut (10) and a clamping plate (11), and the mounting assembly is used to mount the centralizer body (1) on the roller shaft.

2. A pole piece and tab centralizer according to claim 1, characterized in that: One side of the smoothing plate (2) is a flat structure, and the other side of the smoothing plate (2) is an arc-shaped slope structure.

3. The pole piece and tab centralizer according to claim 1, characterized in that: The air inlet (3) and the air blowing port (4) are interconnected, and the air blowing port (4) is in a crescent-shaped structure.

4. The pole piece and tab centralizer according to claim 1, characterized in that: An adjustment component is arranged inside the fixed block (6), and the adjustment component comprises a screw rod (12) and a slide plate (13). The slide plate (13) is sleeved on the outer surface of the screw rod (12). Limit blocks (14) are arranged on the upper and lower sides of the slide plate (13), and one side of the limit block (14) is fixedly connected to a connecting rod (16).

5. A pole piece and tab centralizer according to claim 4, characterized in that: A guide block (15) is slidably connected inside the fixed block (6), and the guide block (15) and the connecting rod (16) are connected to each other.

6. The pole piece and tab centralizer according to claim 1, characterized in that: The outer surface of the mounting block (7) is fixedly connected to a support seat (8), and the outer surface of the support seat (8) is a flat structure.

7. The pole piece and tab centralizer according to claim 1, characterized in that: The end of the screw rod (9) is connected to a clamping plate (11), the clamping plate (11) is an arc-shaped structure, and the clamping plate (11) is symmetrically distributed with respect to the transverse center line of the mounting block (7).

8. The pole piece and tab centralizer according to claim 5, characterized in that: A connecting plate (17) is fixedly connected to the end of the connecting rod (16), and the connecting plate (17) is connected to the centralizer body (1).

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