Battery pole piece defect detection and verification mechanism

Abstract

The utility model relates to the technical field of battery pole piece detection, and particularly discloses a battery pole piece defect detection and verification mechanism which comprises a device body, a protective cover is installed outside the device body, a window door is arranged on the protective cover, a deviation rectifying assembly used for rectifying deviation is arranged on the device body, and the deviation rectifying assembly is connected with the device body. An adjusting assembly capable of adjusting the visual detection position is arranged on one side of the deviation rectifying assembly, a supporting back plate is arranged below the deviation rectifying assembly, and a battery pole piece roll winding mechanism is arranged on the supporting back plate; the deviation rectifying assembly comprises a first hydraulic cylinder installed on the device machine body, the telescopic end of the first hydraulic cylinder is fixedly connected with a movable sleeve plate, a supporting plate fixed to the device machine body is connected into the movable sleeve plate in a sleeved mode, a supporting vertical plate is fixedly connected to the upper portion of the movable sleeve plate, and a second hydraulic cylinder is arranged on one side of the supporting vertical plate. The lithium battery pole piece deviation rectifying device can rectify the lithium battery pole piece and prevent the lithium battery pole piece from deviating from the shooting range of an industrial camera.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece detection, in particular to a battery pole piece defect detection and verification mechanism. Background Art

[0002] During the production process of lithium battery electrodes, defects such as exposed foil, dark spots, bright spots, and material falling may occur on the positive and negative electrodes due to problems with the coating machine and roller press. After production, the electrodes need to be manually inspected. Manual visual inspection will lead to inaccurate inspections due to subjective factors of personnel, and efficiency cannot be guaranteed, and it is easy to miss inspections.

[0003] At present, in order to improve the inspection efficiency, the lithium battery pole pieces are inspected by visual inspection system;

[0004] For example, an existing publicly available technical solution, with publication number CN219694897U, discloses a device for detecting pinhole defects in lithium battery pole pieces. The device includes a winder and a detection assembly. The detection assembly comprises two sets of supporting plates connected to support rods, which are connected via a camera positioning frame. The camera positioning frame is connected to an industrial camera, which is connected to a lens. The two sets of supporting rods are respectively connected to a transmission mounting frame. A roller is rotatably connected between the two transmission mounting frames. The bottom of the roller is provided with a line scanning light source, which is connected to an external control device via a light source controller. The entire detection process requires no human intervention, resulting in low workload and high work efficiency, effectively improving detection accuracy.

[0005] When the above technical solution is actually implemented, the winder directly winds the lithium battery pole piece, and the position of the winder is not convenient to adjust. For smaller-sized lithium battery pole pieces, once the lithium battery pole piece is offset, the lithium battery pole piece may deviate from the shooting range of the industrial camera. Summary of the Invention

[0006] The purpose of the present utility model is to provide a battery pole piece defect detection and verification mechanism that can correct the deviation of lithium battery pole pieces to prevent the lithium battery pole pieces from deviating from the shooting range of the industrial camera, so as to solve the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions: a battery electrode defect detection and verification mechanism, comprising a device body, a protective cover installed on the outside of the device body, and a window door provided on the protective cover; a correction component for correction is provided on the device body, an adjustment component for adjusting the visual detection position is provided on one side of the correction component, a support back plate is provided below the correction component, and a battery electrode winding mechanism is provided on the support back plate;

[0008] The deviation correction assembly includes a first hydraulic cylinder mounted on the device body, the telescopic end of the first hydraulic cylinder is fixedly connected to a movable sleeve, and the interior of the movable sleeve is sleeved with a support plate fixed to the device body, the upper part of the movable sleeve is fixedly connected to a support vertical plate, and a second hydraulic cylinder is provided on one side of the support vertical plate, the telescopic end of the second hydraulic cylinder is fixedly connected to a connecting platform, the outer part of the support vertical plate is sleeved with a lifting back plate, and the connecting platform is fixed to the lifting back plate;

[0009] The adjustment component includes a stepper motor, and a turntable is installed on the power output end of the stepper motor. A support rod is fixedly connected to the surface of the turntable, and the end of the support rod is connected to the industrial camera through a damping shaft.

[0010] Preferably, an adjustment handle is installed on one side of the industrial camera, and a guide groove is provided at the connection between the support rod and the lifting back plate.

[0011] Preferably, the support rod passes through the interior of the lifting back plate, and the industrial camera rotates on the support rod through a damping shaft.

[0012] Preferably, the battery electrode winding mechanism includes a discharge reel mounted on a supporting back plate, a first guide roller is provided on one side of the discharge reel, and a second guide roller is provided on one side of the first guide roller, and a third guide roller is installed above the second guide roller.

[0013] Preferably, the first guide roller, the second guide roller and the third guide roller are all mounted on the support back plate through bearings.

[0014] Preferably, the battery electrode winding mechanism also includes a winding disk installed on the lifting backplate, and a sixth guide roller is provided on one side of the winding disk, a fifth guide roller is installed on one side of the sixth guide roller, and a fourth guide roller is provided below the sixth guide roller.

[0015] Preferably, the fourth guide roller, the fifth guide roller and the sixth guide roller are all mounted on the lifting backplate via bearings, and the supporting backplate is located below the lifting backplate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. Through the set deviation correction component, under the action of the first hydraulic cylinder and the second hydraulic cylinder, the position of the lifting back plate is adjusted, thereby correcting the position of the battery electrode roll on the winding reel, so that the battery electrode roll is always within the shooting range of the industrial camera;

[0018] 2. Through the setting of the adjustment component, the position of the industrial camera can be adjusted under the action of the stepping motor, which makes it convenient to adjust the position of the industrial camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is the overall structural view of the utility model;

[0021] Figure 2 This is a schematic structural diagram of the adjustment component of the present utility model;

[0022] Figure 3 For the utility model Figure 1 A magnified view of middle A;

[0023] Figure 4 It is a structural schematic diagram of the battery electrode roll of the utility model when it is rolled up.

[0024] Description of reference numerals:

[0025] 1. Device body; 2. Protective cover; 3. Support back plate; 4. Correction assembly; 401. First hydraulic cylinder; 402. Movable sleeve; 403. Support plate; 404. Second hydraulic cylinder; 405. Support vertical plate; 406. Lifting back plate; 407. Connecting table; 5. Adjustment assembly; 501. Industrial camera; 502. Adjustment handle; 503. Support rod; 504. Stepper motor; 505. Turntable; 506. Guide groove; 6. Unwinding reel; 7. First guide roller; 8. Second guide roller; 9. Third guide roller; 10. Fourth guide roller; 11. Fifth guide roller; 12. Sixth guide roller; 13. Winding reel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] The utility model provides a technical solution:

[0028] See also Figures 1 to 4A battery electrode defect detection and verification mechanism includes a device body 1, a protective cover 2 is installed on the outside of the device body 1, and the protective cover 2 is provided with a window door, a correction component 4 for correction is provided on the device body 1, an adjustment component 5 for adjusting the visual detection position is provided on one side of the correction component 4, a support backboard 3 is provided below the correction component 4, and a battery electrode winding mechanism is provided on the support backboard 3;

[0029] The deviation correction assembly 4 includes a first hydraulic cylinder 401 mounted on the device body 1. The telescopic end of the first hydraulic cylinder 401 is fixedly connected to a movable sleeve 402, and the interior of the movable sleeve 402 is sleeved with a support plate 403 fixed to the device body 1. The upper portion of the movable sleeve 402 is fixedly connected to a support vertical plate 405, and a second hydraulic cylinder 404 is provided on one side of the support vertical plate 405. The telescopic end of the second hydraulic cylinder 404 is fixedly connected to a connecting platform 407. The exterior of the support vertical plate 405 is sleeved with a lifting back plate 406, and the connecting platform 407 is fixed to the lifting back plate 406.

[0030] The adjustment component 5 includes a stepper motor 504, and a turntable 505 is installed at the power output end of the stepper motor 504. The surface of the turntable 505 is fixedly connected to the support rod 503, and the end of the support rod 503 is connected to the industrial camera 501 through a damping shaft. An adjustment handle 502 is installed on one side of the industrial camera 501. A guide groove 506 is provided at the connection between the support rod 503 and the lifting back plate 406. The support rod 503 passes through the interior of the lifting back plate 406, and the industrial camera 501 rotates on the support rod 503 through the damping shaft.

[0031] By adopting the above technical solution, the stepping motor 504 can drive the turntable 505 to rotate, thereby driving the support rod 503 to rotate in the guide groove 506. The position of the industrial camera 501 can be changed through the support rod 503. At the same time, the industrial camera 501 can rotate on the support rod 503 through the damping shaft to adjust the angle of the industrial camera 501. By starting the second hydraulic cylinder 404, the lifting back plate 406 can be pulled to move on the support vertical plate 405, thereby adjusting the height of the winding disk 13. At the same time, the first hydraulic cylinder 401 can push the movable sleeve 402 to move on the support plate 403 to adjust the position of the winding disk 13, thereby facilitating the position correction of the battery electrode roll on the winding disk 13, so that the battery electrode roll is always within the shooting range of the industrial camera 501.

[0032] Specifically, such as Figure 4As shown, the battery electrode winding mechanism includes a discharge reel 6 installed on the supporting back plate 3, a first guide roller 7 is provided on one side of the discharge reel 6, and a second guide roller 8 is provided on one side of the first guide roller 7, a third guide roller 9 is installed above the second guide roller 8, the first guide roller 7, the second guide roller 8 and the third guide roller 9 are all installed on the supporting back plate 3 through bearings, the battery electrode winding mechanism also includes a winding reel 13 installed on the lifting back plate 406, and a sixth guide roller 12 is provided on one side of the winding reel 13, a fifth guide roller 11 is installed on one side of the sixth guide roller 12, and a fourth guide roller 10 is provided below the sixth guide roller 12, the fourth guide roller 10, the fifth guide roller 11 and the sixth guide roller 12 are all installed on the lifting back plate 406 through bearings, and the supporting back plate 3 is located below the lifting back plate 406.

[0033] By adopting the above technical solution, the battery electrode roll is placed on the unwinding reel 6, passes under the first guide roller 7, reaches the side of the second guide roller 8 and the third guide roller 9, passes through the second guide roller 8 and the third guide roller 9, passes around the fourth guide roller 10, passes under the fifth guide roller 11, and goes above the sixth guide roller 12, and finally is wound in the winding reel 13. The shooting range of the industrial camera 501 is located between the fifth guide roller 11 and the sixth guide roller 12, and the battery electrode located between the fifth guide roller 11 and the sixth guide roller 12 is detected.

[0034] Working principle: Before detection, the stepper motor 504 can drive the turntable 505 to rotate, thereby driving the support rod 503 to rotate in the guide groove 506. The position of the industrial camera 501 can be changed through the support rod 503. At the same time, the industrial camera 501 can be rotated on the support rod 503 through the damping shaft to adjust the angle of the industrial camera 501. The battery electrode roll is placed on the unwinding reel 6, passes under the first guide roller 7, reaches the side of the second guide roller 8 and the third guide roller 9, passes through the second guide roller 8 and the third guide roller 9, passes around the fourth guide roller 10, passes under the fifth guide roller 11, and goes around the sixth guide roller 12. Finally, it is wound on the rewinding reel. In the disk 13, the shooting range of the industrial camera 501 is located between the fifth guide roller 11 and the sixth guide roller 12, and the battery electrode located between the fifth guide roller 11 and the sixth guide roller 12 is inspected. During the inspection process, the lifting back plate 406 can be pulled by the second hydraulic cylinder 404 to move on the supporting vertical plate 405, thereby adjusting the height of the winding disk 13. At the same time, the first hydraulic cylinder 401 can push the movable sleeve 402 to move on the support plate 403 to adjust the position of the winding disk 13, thereby facilitating the position correction of the battery electrode roll on the winding disk 13, so that the battery electrode roll is always within the shooting range of the industrial camera 501.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A battery electrode defect detection and verification mechanism, comprising a device body (1), characterized in that: A protective cover (2) is installed on the outside of the device body (1), and a window door is provided on the protective cover (2); a correction component (4) for correction is provided on the device body (1); an adjustment component (5) capable of adjusting a visual detection position is provided on one side of the correction component (4); a support back plate (3) is provided below the correction component (4), and a battery electrode winding mechanism is provided on the support back plate (3); The deviation correction component (4) includes a first hydraulic cylinder (401) mounted on the device body (1), the telescopic end of the first hydraulic cylinder (401) is fixedly connected to a movable sleeve (402), and the interior of the movable sleeve (402) is sleeved with a support plate (403) fixed to the device body (1), the upper portion of the movable sleeve (402) is fixedly connected to a support vertical plate (405), and a second hydraulic cylinder (404) is provided on one side of the support vertical plate (405), the telescopic end of the second hydraulic cylinder (404) is fixedly connected to a connecting platform (407), the outer portion of the support vertical plate (405) is sleeved with a lifting back plate (406), and the connecting platform (407) is fixed on the lifting back plate (406); The adjustment component (5) includes a stepping motor (504), and a turntable (505) is installed at the power output end of the stepping motor (504). The surface of the turntable (505) is fixedly connected to a support rod (503), and the end of the support rod (503) is connected to an industrial camera (501) via a damping shaft.

2. A battery electrode defect detection and verification mechanism according to claim 1, characterized in that: An adjustment handle (502) is installed on one side of the industrial camera (501), and a guide groove (506) is provided at the connection between the support rod (503) and the lifting back plate (406).

3. A battery electrode defect detection and verification mechanism according to claim 2, characterized in that: The support rod (503) passes through the interior of the lifting back plate (406), and the industrial camera (501) is rotated on the support rod (503) via a damping shaft.

4. A battery electrode defect detection and verification mechanism according to claim 1, characterized in that: The battery electrode sheet winding mechanism comprises a discharge reel (6) mounted on a supporting back plate (3), a first guide roller (7) being provided on one side of the discharge reel (6), a second guide roller (8) being provided on one side of the first guide roller (7), and a third guide roller (9) being mounted above the second guide roller (8).

5. A battery electrode defect detection and verification mechanism according to claim 4, characterized in that: The first guide roller (7), the second guide roller (8) and the third guide roller (9) are all mounted on the supporting back plate (3) via bearings.

6. A battery electrode defect detection and verification mechanism according to claim 5, characterized in that: The battery electrode winding mechanism further includes a winding disk (13) mounted on the lifting back plate (406), and a sixth guide roller (12) is provided on one side of the winding disk (13), a fifth guide roller (11) is installed on one side of the sixth guide roller (12), and a fourth guide roller (10) is provided below the sixth guide roller (12).

7. A battery electrode defect detection and verification mechanism according to claim 6, characterized in that: The fourth guide roller (10), the fifth guide roller (11) and the sixth guide roller (12) are all mounted on the lifting back plate (406) via bearings, and the supporting back plate (3) is located below the lifting back plate (406).

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