Pole piece sorting mechanism and pole piece recycling system

Abstract

The utility model discloses a pole piece sorting mechanism and a pole piece recycling system.The pole piece sorting mechanism comprises a first conveying belt, a second conveying belt, a third conveying belt and a third conveying belt, the detection device is arranged above the first conveying belt and is suitable for identifying the types of the defective pole pieces and controlling the work of the sorting assembly; the second conveying belt and the third conveying belt are respectively connected with the two sides of the output end of the first conveying belt and are suitable for conveying different types of defective pole pieces; and the sorting assembly is arranged between the second conveying belt and the third conveying belt and is suitable for sorting defective pole pieces. According to the pole piece sorting mechanism, the detection device is adopted for recognizing the types of the defective pole pieces, and sorting is conducted according to the types. In this way, different types of defective pole pieces can be accurately sorted and recycled, and the pole piece recycling efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of lithium battery production, and specifically to a pole piece sorting mechanism and a pole piece recycling system. Background Art

[0002] Defective pole pieces are produced during the production of lithium batteries. Defective pole pieces refer to pole pieces that cannot meet product quality requirements due to poor size and surface defects during the manufacturing process. The main way to deal with these defective pole pieces is to scrap them directly. However, direct scrapping will not only cause a lot of waste, but also lead to economic losses.

[0003] In order to solve this problem, there is a pole piece recycling scheme. The goal of this recycling scheme is to recycle the defective pole pieces that can still be used and reorganize the battery cells by reducing cost losses. However, due to the large variety of defective pole pieces, such as different types of defective pole pieces with poor size and surface defects, it is necessary to design corresponding recycling schemes according to different types of defective pole pieces. The sorting process for defective pole pieces is not yet mature in technology, resulting in low pole piece recycling efficiency. Utility Model Content

[0004] Based on this, it is necessary to propose a pole piece sorting mechanism and pole piece recycling system to address the above technical problems.

[0005] In one aspect of the present application, a pole piece sorting mechanism is proposed, which comprises:

[0006] The first conveyor belt is suitable for conveying defective electrodes;

[0007] A detection device, arranged above the first conveyor belt, adapted to identify the type of defective electrodes and control the operation of the sorting assembly;

[0008] The second conveyor belt and the third conveyor belt are respectively connected to both sides of the output end of the first conveyor belt and are suitable for conveying different types of defective electrodes;

[0009] The sorting component is arranged between the second conveyor belt and the third conveyor belt, and is suitable for sorting defective electrodes.

[0010] In some embodiments, the sorting component includes:

[0011] A servo motor, which is electrically connected to the detection device, capable of receiving an electrical signal sent by the detection device and triggering a preset stroke;

[0012] The material-moving rod has one end radially connected to the output shaft of the servo motor and can swing along with the rotation of the output shaft of the servo motor.

[0013] In some embodiments, the material moving rod is in contact with the outer conveying surface of the first conveying belt.

[0014] In some embodiments, the detection device is a visual scanning camera, which is arranged above the first conveyor belt and can identify the type of defective electrodes and control the operation of the sorting component.

[0015] In some embodiments, the pole piece sorting mechanism further comprises:

[0016] A first loading platform, arranged at the output end of the first conveyor belt, suitable for supporting defective pole pieces;

[0017] The second loading platform is arranged at the output end of the second conveyor belt and is suitable for supporting defective pole pieces.

[0018] In some embodiments, the pole piece sorting mechanism further comprises:

[0019] A first pole piece clip, arranged on one side of the first loading platform, suitable for accommodating a plurality of defective pole pieces;

[0020] The second pole piece clip is arranged on one side of the second loading platform and is suitable for accommodating a plurality of defective pole pieces.

[0021] In some embodiments, the pole piece sorting mechanism further comprises:

[0022] A first rotating platform is arranged flush with the first loading platform, and is suitable for carrying a defective pole piece and rotating the pole piece to a preset orientation;

[0023] The second rotating platform is arranged flush with the second loading platform, and is suitable for carrying the defective pole piece and rotating the pole piece to a preset orientation.

[0024] In some embodiments, the pole piece sorting mechanism further comprises:

[0025] A first cylinder and a first push rod connected to the piston rod of the first cylinder, which is arranged on a side of the first rotating platform away from the first pole piece clip and can push a defective pole piece into the first pole piece clip;

[0026] The second cylinder and the second push rod connected to the piston rod of the second cylinder are arranged on the side of the second rotating platform away from the second pole piece clip, and can push the defective pole piece into the second pole piece clip.

[0027] In the second aspect of the present application, a pole piece recycling system is also proposed, which includes the pole piece sorting mechanism described above.

[0028] In some embodiments, the pole piece recovery system further comprises:

[0029] A magazine transfer mechanism, adapted to transport the first pole piece magazine and the second pole piece magazine;

[0030] There are various types of electrode recovery mechanisms, which are suitable for recovering different types of defective electrodes.

[0031] Compared with the prior art, the beneficial effects of this application are:

[0032] Improved recycling efficiency: The electrode sorting mechanism in the present application uses a detection device to identify the types of defective electrodes and sort them according to the types. In this way, different types of defective electrodes can be accurately sorted and recycled, improving the efficiency of electrode recycling.

[0033] Improved resource utilization: By using the electrode sorting mechanism and electrode recycling system, bad electrodes can be recycled and the battery cells can be reassembled. In this way, bad electrodes that originally needed to be directly scrapped can be reused, effectively improving resource utilization.

[0034] Reduced economic losses: This application can recycle bad pole pieces, avoiding economic losses caused by direct scrapping. By reducing cost losses, the pole piece recycling system can effectively reduce waste and economic losses in the production process.

[0035] Improved production quality: This application can make use of the pole pieces that do not meet the product quality requirements by recycling and reorganizing the defective pole pieces. In this way, the quality of the produced battery products can be improved, the pole pieces that meet the product quality requirements can be better utilized, and the reliability and stability of the product are improved.

[0036] In summary, the present application can improve resource utilization, reduce economic losses, improve recycling efficiency and enhance production quality through the application of electrode sorting mechanism and electrode recycling system, which has significant beneficial effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic top view of an exemplary embodiment of the present application.

[0038] In the figure: 1, first conveyor belt; 2, second conveyor belt; 3, third conveyor belt; 41, servo motor; 42, material removal rod; 5, deionization fan; 61, first loading platform; 62, first rotating platform; 63, first pole piece clip; 641, first cylinder; 642, first push rod; 71, second loading platform; 72, second rotating platform; 73, second pole piece clip; 741, second cylinder; 742, second push rod. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0040] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0041] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] As described in the background technology, in order to solve the problem of directly scrapping defective electrodes and wasting resources, there is a solution for electrode recycling. The goal of this recycling solution is to recycle the defective electrodes that can still be used and reorganize the battery cells by reducing cost losses. However, due to the large variety of defective electrodes, such as different types of defective electrodes with poor size and surface defects, it is necessary to design corresponding recycling solutions according to different types of defective electrodes. However, the sorting process for defective electrodes is not yet mature in technology, resulting in low efficiency of electrode recycling.

[0043] In order to improve the above problems, in the first aspect of the present application, a pole piece sorting mechanism is proposed, referring to Figure 1 , which mainly includes: a first conveyor belt 1, a detection device (not shown in the figure), a second conveyor belt 2, a third conveyor belt 3, a sorting component, a first receiving component and a second receiving component. Among them, the first conveyor belt 1 is suitable for conveying defective electrodes; the detection device is suitable for identifying the type of defective electrodes and controlling the operation of the sorting component; the second conveyor belt 2 and the third conveyor belt 3 are suitable for conveying different types of defective electrodes; the sorting component is suitable for sorting defective electrodes; the first receiving component and the second receiving component are respectively suitable for storing different types of defective electrodes.

[0044] Specifically, in the exemplary embodiment, the first conveyor belt 1, the second conveyor belt 2 and the third conveyor belt 3 are all formed as ordinary belt conveyor mechanisms, and the details are not repeated here. The second conveyor belt 2 and the third conveyor belt 3 are respectively connected to the two sides of the output end of the first conveyor belt 1, and are suitable for conveying different types of defective electrodes after being sorted by the sorting component.

[0045] Furthermore, in some embodiments, there may be a fourth conveyor belt and more conveyor belts to facilitate the conveyance of other types of defective electrodes.

[0046] Specifically, in the exemplary embodiment, the detection device (not shown) uses a visual scanning camera, which is installed above the first conveyor belt 1. This device can detect and identify defective pole pieces. By photographing the features or marks on the pole pieces, image processing and comparison are performed to determine the type of defective pole pieces. Further, in the exemplary embodiment, the detection device is electrically connected to the sorting component, which can trigger the sorting component to trigger a preset stroke according to the detection mechanism, thereby completing the sorting of the pole pieces.

[0047] Specifically, in the exemplary embodiment, the sorting assembly is arranged between the second conveyor belt 2 and the third conveyor belt 3. It specifically includes a servo motor 41 and a material-moving rod 42. The servo motor 41 is electrically connected to the detection device, can receive the electrical signal sent by the detection device, and trigger the preset stroke; the material-moving rod 42 is in contact with the outer conveying surface of the first conveyor belt 1, and one end of the material-moving rod 42 is radially connected to the output shaft of the servo motor 41, and can swing with the rotation of the output shaft of the servo motor 41, so as to move the pole piece on the first conveyor belt 1 to the side of the second conveyor belt 2 or the side of the third conveyor belt 3.

[0048] Furthermore, in the exemplary embodiment, in order to avoid electrostatic adsorption between the pole piece on the first conveyor belt 1 and the conveyor belt, a deionizing fan 5 is provided on one side of the first conveyor belt 1, which is suitable for blowing deionizing wind to the surface of the first conveyor belt 1 to remove static electricity and facilitate the sorting of sorting components.

[0049] Specifically, in the exemplary embodiment, the first receiving assembly and the second receiving assembly are respectively disposed at the output ends of the second conveyor belt 2 and the third conveyor belt 3, and are suitable for storing different types of defective electrodes.

[0050] Specifically, in the exemplary embodiment, the first receiving assembly includes a first loading platform 61 , a first rotating platform 62 , a first pole piece clip 63 , a first cylinder 641 and a first push rod 642 .

[0051] Further, in the exemplary embodiment, the first loading platform 61 is arranged at the output end of the first conveyor belt 1, and is suitable for supporting the defective electrode pieces. The first loading platform 61 is formed as a platform-type device for supporting the defective electrode pieces. It is usually composed of a flat surface and a supporting structure. When the defective electrode pieces are transported from the first conveyor belt 1 to the first loading platform 61, they will be temporarily placed on this platform and wait for further processing.

[0052] Further, in the exemplary embodiment, the first rotating platform 62 is formed as a rotatable platform, which is located at the center of the first loading platform 61 and is arranged flush with the first loading platform 61. The first rotating platform 62 is generally composed of a circular platform, an orientation detection sensor and a servo drive device. After the bad electrode piece falls from the second conveyor belt 2, it will fall onto the first rotating platform 62. Through the first rotating platform 62, the bad electrode piece can be rotated to a preset orientation for subsequent storage.

[0053] Furthermore, in the exemplary embodiment, the first electrode clip 63 is formed as a storage bin for accommodating defective electrodes, which is disposed on one side of the first loading platform 61 to wait for subsequent electrodes to be stored in the bin.

[0054] Furthermore, in the exemplary embodiment, the first cylinder 641 and the first push rod 642 are arranged on the side of the first rotating platform 62 away from the first pole piece clip 63, and the first push rod 642 is fixed on the piston rod of the first cylinder 641, which can push the defective pole piece into the first pole piece clip 63, thereby completing the pole piece storage.

[0055] Specifically, in the exemplary embodiment, the second receiving assembly includes a second loading platform 71 , a second rotating platform 72 , a second pole piece clip 73 , a second cylinder 741 , and a second push rod 742 .

[0056] Further, in the exemplary embodiment, the second stage 71 is arranged at the output end of the second conveyor belt 2, and is suitable for supporting bad pole pieces; the second pole piece clip 73 is arranged at one side of the second stage 71, and is suitable for accommodating a plurality of bad pole pieces; the second rotating platform 72 is arranged flush with the second stage 71, and is suitable for carrying bad pole pieces and rotating the pole pieces to a preset orientation; the second cylinder 741 and the second push rod 742 connected to the piston rod of the second cylinder 741 are arranged at the side of the second rotating platform 72 away from the second pole piece clip 73, and can push the bad pole piece into the second pole piece clip 73. Among them, the second stage 71, the second rotating platform 72, the second pole piece clip 73, the second cylinder 741 and the second push rod 742 correspond to the first stage 61, the first rotating platform 62, the first pole piece clip 63, the first cylinder 641 and the first push rod 642, respectively, and the details are not repeated.

[0057] In the second aspect of the present application, a pole piece recovery system is also proposed, which includes the pole piece sorting mechanism described above, and also includes a clip transport mechanism and a pole piece recovery mechanism, the clip transport mechanism is suitable for conveying the first pole piece clip 63 and the second pole piece clip 73; the pole piece recovery mechanism is provided with multiple types, suitable for recovering different types of defective pole pieces. The specific belongs to the prior art, and will not be repeated here.

[0058] In summary, the electrode sorting mechanism in the present application uses a detection device to identify the types of defective electrodes and sort them according to the types. In this way, different types of defective electrodes can be accurately sorted and recycled, which improves the efficiency of electrode recycling. By using the electrode sorting mechanism and the electrode recycling system, the defective electrodes can be recycled and the battery cells can be reorganized. In this way, the defective electrodes that originally needed to be scrapped directly can be reused, which effectively improves the resource utilization rate. The present application can recycle the defective electrodes and avoid the economic losses caused by direct scrapping. By reducing cost losses, the electrode recycling system can effectively reduce waste and economic losses in the production process. The present application can make use of electrodes that did not meet the product quality requirements by recycling and reorganizing the defective electrodes. In this way, the quality of the battery products produced can be improved, and the electrodes that meet the product quality requirements can be better utilized, which improves the reliability and stability of the product.

[0059] In summary, this application can improve resource utilization, reduce economic losses, improve recycling efficiency and enhance production quality through the application of electrode sorting mechanism and electrode recycling system, and has significant beneficial effects.

[0060] Finally, it should be noted that the above is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A pole piece sorting mechanism, characterized in that ,include: The first conveyor belt is suitable for conveying defective electrodes; A detection device, arranged above the first conveyor belt, adapted to identify the type of defective electrodes and control the operation of the sorting assembly; The second conveyor belt and the third conveyor belt are respectively connected to both sides of the output end of the first conveyor belt and are suitable for conveying different types of defective electrodes; The sorting component is arranged between the second conveyor belt and the third conveyor belt, and is suitable for sorting defective electrodes.

2. The electrode sorting mechanism according to claim 1, characterized in that , the sorting component comprises: A servo motor, which is electrically connected to the detection device, capable of receiving an electrical signal sent by the detection device and triggering a preset stroke; The material-moving rod has one end radially connected to the output shaft of the servo motor and can swing along with the rotation of the output shaft of the servo motor.

3. The electrode sorting mechanism according to claim 2 is characterized in that , the material moving rod is in contact and connected with the outer conveying surface of the first conveyor belt.

4. The electrode sorting mechanism according to claim 1, characterized in that The detection device is a visual scanning camera, which is arranged above the first conveyor belt and can identify the type of defective electrodes and control the operation of the sorting component.

5. The electrode sorting mechanism according to claim 1, characterized in that , also includes: A first loading platform, arranged at the output end of the first conveyor belt, suitable for supporting defective pole pieces; The second loading platform is arranged at the output end of the second conveyor belt and is suitable for supporting defective pole pieces.

6. The electrode sorting mechanism according to claim 5, characterized in that , also includes: A first pole piece clip, arranged on one side of the first loading platform, suitable for accommodating a plurality of defective pole pieces; The second pole piece clip is arranged on one side of the second loading platform and is suitable for accommodating a plurality of defective pole pieces.

7. The electrode sorting mechanism according to claim 6, characterized in that: Also includes: A first rotating platform is arranged flush with the first loading platform, and is suitable for carrying a defective pole piece and rotating the pole piece to a preset orientation; The second rotating platform is arranged flush with the second loading platform, and is suitable for carrying the defective pole piece and rotating the pole piece to a preset orientation.

8. The electrode sorting mechanism according to claim 7, characterized in that , also includes: A first cylinder and a first push rod connected to the piston rod of the first cylinder, which is arranged on a side of the first rotating platform away from the first pole piece clip and can push a defective pole piece into the first pole piece clip; The second cylinder and the second push rod connected to the piston rod of the second cylinder are arranged on the side of the second rotating platform away from the second pole piece clip, and can push the defective pole piece into the second pole piece clip.

9. A pole piece recovery system, characterized in that ,include: A pole piece sorting mechanism as described in any one of claims 1 to 8.

10. A pole piece recovery system according to claim 9, characterized in that , also includes: A magazine transfer mechanism, adapted to transport the first pole piece magazine and the second pole piece magazine; There are various types of electrode recovery mechanisms, which are suitable for recovering different types of defective electrodes.

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