Battery pole piece defect detection device

Abstract

The utility model discloses a defect detection device for a battery pole piece. The defect detection device comprises a base body, the first anti-shake component is pressed against the front surface of the battery pole piece and deviates from the moving direction of the battery pole piece along a first direction; the first image sensor faces the back surface of the battery pole piece, is arranged opposite to the first anti-shake component and is used for acquiring a back surface image of the battery pole piece; a distance is formed between the second anti-shake part and the first anti-shake part, the second anti-shake part abuts against the back face of the battery pole piece and deviates from the moving direction of the battery pole piece in the second direction, and the second direction is opposite to the first direction and is perpendicular to the moving direction of the battery pole piece; and the second image sensor is arranged on the front surface of the battery pole piece, is opposite to the second anti-shake component and is used for acquiring a front surface image of the battery pole piece. According to the battery chip defect detection device provided by the utility model, the anti-shake component is matched with the image sensor, so that the defect detection of the battery pole piece close to the position of the rotating tower can be realized, and the defect detection precision of the battery pole piece is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery pole piece detection, and specifically relates to an improvement of a battery pole piece defect detection device. Background Technique

[0002] With the development of modern industry and the increasing requirements for the performance and quality of lithium battery products by people, the quality control in the manufacturing process of batteries has become more and more stringent. Especially in the manufacturing process of lithium battery cells, the detection of surface defects of lithium battery pole pieces (hereinafter referred to as pole pieces) is required during the manufacturing process of battery pole pieces, and winding is carried out through winding equipment.

[0003] The existing technology mainly realizes the detection of battery pole pieces through visual detection. The visual detection component will select a visual detection camera, an image scanning instrument or an image sensor. By scanning the battery pole piece, the image information of the battery pole piece is obtained, and after being transmitted to the main controller for analysis and processing of the image, the defects of the battery pole piece are identified.

[0004] Winding is mainly realized through a turret winding mechanism. Due to the high-speed rotation of the pole piece core at the center of the turret, the battery pole piece will generate severe fluctuating tremors due to the instantaneous start and stop of the winding speed. The undulation degree can reach 3mm - 6mm, and the jitter is very severe. It is impossible to detect the defects of the part of the battery pole piece before it enters the turret by using the visual detection component.

[0005] At the turret position of the battery pole piece winding process, due to the jitter of the battery pole piece, it is impossible to detect. And for the defect detection carried out in the previous process link, it is impossible to ensure whether new defects are introduced before the battery pole piece enters the turret. When the subsequent process battery cell is abnormal, it is necessary to disassemble and verify again, which often consumes a huge amount of manpower, causes waste of battery raw materials, and has low production efficiency.

[0006] The above information disclosed in this background technique is only used to increase the understanding of the background technique of this application. Therefore, it may include prior art that is not known to those of ordinary skill in the art. Content of the Utility Model

[0007] Aiming at the above technical problems existing in the detection of battery pole pieces in the prior art, the utility model proposes a new type of battery chip defect detection device. Through the cooperation of an anti-vibration component and an image sensor, it can realize the detection of defects of the battery pole piece near the turret position, and improve the accuracy of battery pole piece defect detection.

[0008] To achieve the above utility model / design purpose, the utility model adopts the following technical solutions to be realized:

[0009] A battery pole piece defect detection device includes:

[0010] Substrate;

[0011] And assembled on the substrate are: a first anti-shake component, which presses against the front side of the battery electrode plate and deviates from the moving direction of the battery electrode plate along a first direction;

[0012] A first image sensor, facing the back side of the battery electrode plate, is arranged opposite to the first anti-shake component in position, and is used for collecting the back-side image of the battery electrode plate;

[0013] A second anti-shake component, having a spacing from the first anti-shake component, presses against the back side of the battery electrode plate and deviates from the moving direction of the battery electrode plate along a second direction, wherein the second direction is opposite to the first direction and both are perpendicular to the moving direction of the battery electrode plate;

[0014] A second image sensor, arranged on the front side of the battery electrode plate, is arranged opposite to the second anti-shake component in position, and is used for collecting the front-side image of the battery electrode plate.

[0015] Compared with the prior art, the advantages and positive effects of the present utility model are:

[0016] In the battery electrode plate defect detection device of the present utility model, a first anti-shake component and a second anti-shake component are sequentially arranged along the moving direction of the battery electrode plate. By the first anti-shake component pressing against the front side of the battery electrode plate, a tension force is applied to the battery electrode plate along the first direction, and by the second anti-shake component pressing against the back side of the battery electrode plate and applying a tension force to the battery electrode plate along a second direction opposite to the first direction, through the cooperation of two tension forces in opposite directions, the tension of the battery electrode plate is realized, the jitter of the battery electrode plate about to enter the turret section is reduced, and the anti-shake effect is achieved;

[0017] Meanwhile, through the first image sensor and the second image sensor cooperating with the two anti-shake components, the defect detection of the battery electrode plate is realized, the defect detection of the part of the battery electrode plate before entering the turret is realized, the detection of the defects of the battery electrode plate before entering the turret is ensured, and the product quality is guaranteed.

[0018] After reading the specific embodiments of the present utility model in conjunction with the accompanying drawings, other features and advantages of the present utility model will become clearer. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the accompanying drawings required to be used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other accompanying drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1It is a schematic diagram of the layout structure of the first anti-vibration component, the second anti-vibration component, the first image sensor, and the second image sensor in an embodiment of the battery electrode sheet defect detection device proposed by the present utility model;

[0021] Figure 2 It is the three-dimensional structure of an embodiment of the battery electrode sheet defect detection device proposed by the present utility model Figure 1 ;

[0022] Figure 3 It is the three-dimensional structure of an embodiment of the battery electrode sheet defect detection device proposed by the present utility model Figure 2 ;

[0023] Figure 4 It is the three-dimensional structure of an embodiment of the battery electrode sheet defect detection device proposed by the present utility model Figure 3 ;

[0024] Figure 5 It is a schematic diagram of the connection structure between the first connection component and the base in an embodiment of the battery electrode sheet defect detection device proposed by the present utility model;

[0025] Figure 6 It is a matching structure diagram of the base and the first adjustment and locking member in an embodiment of the battery electrode sheet defect detection device proposed by the present utility model;

[0026] Figure 7 It is a structure diagram of the cooperation between the adjustment mechanism and the base in an embodiment of the battery electrode sheet defect detection device proposed by the present utility model.

[0027] In the figure, 100, base; 110, first adjustment chute; 200, first anti-vibration component; 210, first anti-vibration shaft; 220, first anti-vibration roller; 300, first image sensor; 400, second anti-vibration component; 500, second image sensor; 600, first connection component; 610, support component; 620, installation component; 621, insertion part; 622, locking arm; 623, rotation center part; 624, arc-shaped sliding part; 710, first adjustment block; 720, first adjustment and locking member; 810, fixed seat; 820, adjustment screw; 900, battery electrode sheet. Specific implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0030] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In the description of the embodiments, specific features, structures, materials, or characteristics can be combined in a suitable manner in any one or more embodiments or examples.

[0031] The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0032] In the description of the present utility model, unless otherwise stated, the meaning of "a plurality" is two or more.

[0033] In some embodiments of the present application, a battery electrode sheet defect detection device is proposed. It is arranged near the turret position to effectively detect the defects of the battery electrode sheet 900 before it enters the turret, ensuring the detection of the defects of the battery electrode sheet 900 before it enters the turret and improving the quality of the entire product.

[0034] The battery electrode sheet defect detection device includes:

[0035] A base body 100;

[0036] In some embodiments of the present application, the base body 100 is a pedestal for supporting the battery electrode sheet defect detection device.

[0037] And assembled on the base body 100 are:

[0038] A first anti-vibration component 200, pressing against the front surface of the battery electrode sheet 900 and deviating from the moving direction of the battery electrode sheet 900 along the first direction;

[0039] When the battery electrode sheet 900 is wound, it moves along a certain direction and is transported into the turret for winding.

[0040] The moving direction of the battery electrode plate 900 is as Figure 1 shown, which is the Y-axis direction.

[0041] The first anti-shake component 200 deviates from the battery electrode plate 900 along the first direction, and applies a force on the front surface of the battery electrode plate 900 against it, causing the battery electrode plate 900 to also deviate from the moving direction of the battery electrode plate 900 along the first direction.

[0042] The offset of the battery electrode plate 900 from its moving direction in the first direction is ΔX1.

[0043] The first image sensor 300 faces the back surface of the battery electrode plate 900 and is arranged opposite to the position of the first anti-shake component 200, and is used to collect the back surface image of the battery electrode plate 900.

[0044] In some embodiments, the first image sensor 300 is a macro sensor, which can be used to scan the back surface of the battery electrode plate 900 to obtain the back surface image information of the battery electrode plate 900.

[0045] To ensure the scanning effect of the back surface image of the battery electrode plate 900, the first image sensor 300 is set to maintain a certain distance from the back surface of the battery electrode plate 900, that is, the focal length of the first image sensor 300.

[0046] Through the setting of the first anti-shake component 200, the part of the battery electrode plate 900 corresponding to the position of the first image sensor 300 can be expanded outward along the first direction, giving an outward tension to the battery electrode plate 900, greatly reducing the jitter of the battery electrode plate 900, and ensuring that the first image sensor 300 can perform accurate image scanning to obtain image information.

[0047] When arranged, the first image sensor 300 and the first anti-shake component 200 are respectively arranged on both sides of the battery electrode plate 900. The first image sensor 300 is arranged opposite to the position of the first anti-shake component 200, that is, the first anti-shake component 200 is arranged on the front surface of the battery electrode plate 900, and the first image sensor 300 is arranged at the back surface of the battery electrode plate 900 corresponding to its position.

[0048] The second anti-shake component 400 has a distance from the first anti-shake component 200, presses against the back surface of the battery electrode plate 900 and deviates from the moving direction of the battery electrode plate 900 along the second direction, where the second direction is opposite to the first direction and both are perpendicular to the moving direction of the battery electrode plate 900.

[0049] The second anti-vibration component 400 deviates from the battery electrode plate 900 along the second direction, and applies a force to the battery electrode plate 900 when it abuts against the back surface of the battery electrode plate 900, causing the battery electrode plate 900 to also deviate from the moving direction of the battery electrode plate 900 along the second direction.

[0050] The offset of the battery electrode plate 900 from its moving direction in the second direction is ΔX2.

[0051] The second image sensor 500 is arranged on the front surface of the battery electrode plate 900 and is disposed opposite to the second anti-vibration component 400, and is used to collect the front image of the battery electrode plate 900.

[0052] Wherein, the variable range of the focal lengths of the first image sensor 300 and the second image sensor 500 is: ΔX3, ΔX4.

[0053] In some embodiments, the second image sensor 500 is a macro sensor, and can be used to scan the front surface of the battery electrode plate 900 to obtain the front image information of the battery electrode plate 900.

[0054] To ensure the scanning effect of the front image of the battery electrode plate 900, the second image sensor 500 is set to maintain a certain distance from the back surface of the battery electrode plate 900, that is, the focal length of the second image sensor 500.

[0055] By setting the second anti-vibration component 400, the part of the battery electrode plate 900 corresponding to the position of the second image sensor 500 can be expanded outward along the second direction, applying a tension force to the battery electrode plate 900 along the second direction outward, greatly reducing the vibration of the battery electrode plate 900, and ensuring that the second image sensor 500 can perform accurate image scanning to obtain image information.

[0056] In addition, in the battery electrode plate 900 defect detection device of this embodiment, the first anti-vibration component 200 and the second anti-vibration component 400 are arranged in sequence along the moving direction of the battery electrode plate 900. By the first anti-vibration component 200 abutting against the front surface of the battery electrode plate 900, a tension force is applied to the battery electrode plate 900 along the first direction, and by the second anti-vibration component 400 abutting against the back surface of the battery electrode plate 900 and applying a tension force to the battery electrode plate 900 along the second direction opposite to the first direction, through the cooperation of two tension forces in opposite directions, the tension of the battery electrode plate 900 is achieved, reducing the vibration of the battery electrode plate 900 about to enter the turret section, and achieving the anti-vibration effect;

[0057] Meanwhile, the cooperation between the first image sensor 300 and the second image sensor 500 arranged corresponding to the positions of the two anti-shake components realizes the defect detection of the battery electrode plate 900, realizes the defect detection of the part of the battery electrode plate 900 before entering the turret, ensures the detection of the defects of the battery electrode plate 900 before entering the turret, and ensures the product quality.

[0058] In some embodiments of the present application, the battery electrode plate 900 defect detection device includes:

[0059] The first connection component 600 is used to connect the first image sensor 300 to the base body 100;

[0060] The second connection component is used to connect the second image sensor 500 to the base body 100.

[0061] By integrating and installing the first image sensor 300 and the second image sensor 500 on the base body 100 through the first connection component 600 and the second connection component, the integrated setting of the anti-shake component and the image sensor is realized, so that the whole structure occupies a small space and can adapt to the narrow installation space around the turret.

[0062] In some embodiments of the present application, the first connection component 600 includes: a support component 610 fixedly connected to the base body 100;

[0063] The installation component 620 is connected to the support component 610, and its rotation angle relative to the support component 610 is adjustable;

[0064] The first image sensor 300 is connected to the installation component 620, and its rotation angle relative to the installation component 620 is adjustable.

[0065] By rotating the first image sensor 300 relative to the installation component 620, the first adjustment of the installation angle and the installation height position of the first image sensor 300 can be realized.

[0066] Since the first image sensor 300 is assembled to the installation component 620, and the rotation angle of the installation component 620 relative to the support component 610 is adjustable, that is, the rotation angles of the first image sensor 300 and the installation component 620 relative to the support component 610 are adjustable. By adjusting the rotation angle of the installation component 620 relative to the support component 610, the second adjustment of the angle and the installation height position of the first image sensor 300 is correspondingly realized. The double-degree-of-freedom adjustment of the first image sensor 300 can be realized through the first connection component 600, ensuring the accuracy of the position of the first image sensor 300.

[0067] By adjusting the first image sensor 300 twice, the relative position between it and the first Douyin component and its focal length can be adjusted accordingly, ensuring the image acquisition accuracy of the first image sensor 300.

[0068] In some embodiments of the present application, an insertion part 621 is formed on the mounting part 620 and penetrates through the mounting part 620. The insertion part 621 has an opening part, and locking arms 622 are arranged at both sides of the opening part.

[0069] The support part 610 is inserted into the insertion part 621 and can rotate relative to the insertion part 621.

[0070] The first locking assembly is connected to the two locking arms 622 and is used to lock and fix the support part 610 and the mounting part 620 in place after rotation.

[0071] In some embodiments, the mounting part 620 is a mounting plate, and the support part 610 is a support column. One end of the support column is fixedly connected to the base body 100.

[0072] The insertion part 621 is a circular insertion groove that penetrates through the mounting plate, and the opening part is formed at the top thereof.

[0073] During assembly, the support column is inserted into the insertion groove and can rotate relative to the insertion groove. By the relative rotation between the support column and the insertion groove, the rotation of the mounting part 620 relative to the support part 610 is realized, and further, the angle adjustment of the mounting part 620 and the first image sensor 300 relative to the support part 610 is realized.

[0074] In some embodiments, through holes are formed in the locking arms 622, and the first locking assembly includes a first locking stud and a first locking nut.

[0075] The first locking stud passes through the through holes in the two locking arms 622 and is locked and fixed by the locking nut to lock and fix the support part 610 and the mounting part 620 located in the insertion part 621 together.

[0076] In some embodiments of the present application, a rotation center part 623 is formed on the mounting part 620.

[0077] And an arc-shaped sliding part 624 with the rotation center part 623 as the center of the circle.

[0078] The second locking member passes through the rotation center part 623 and is screwed into the first image sensor 300.

[0079] The third locking member passes through the arc-shaped sliding part 624 and is screwed into the first image sensor 300.

[0080] During adjustment, loosen the second locking member and the third locking member, and move the first image sensor 300 to slide along the arc-shaped sliding portion 624 with the rotation center portion 623 as the rotation center;

[0081] When the adjustment is in place, tighten the second locking member and the third locking member to lock and fix the mounting member 620 and the first image sensor 300.

[0082] In some embodiments, the rotation center portion 623 is a rotation center hole, which is provided at the bottom position of the mounting member 620.

[0083] The arc-shaped sliding portion 624 is an arc-shaped sliding groove, and the arc-shaped sliding groove takes the rotation center hole as the rotation center.

[0084] The second locking member is a second locking screw. A second threaded hole is provided on the first image sensor 300. After the second locking screw passes through the rotation center hole, it is screwed into the second threaded hole.

[0085] The third locking member is a third locking screw. A third threaded hole is provided on the first image sensor 300. After the third locking screw passes through the arc-shaped sliding portion 624, it is screwed into the third threaded hole.

[0086] When it is necessary to adjust the relative position between the first image sensor 300 and the mounting member 620, the second locking member and the third locking member can be loosened, and then the first image sensor 300 is rotated. With the second locking member as the rotation center and the third locking member as the rotating member, it slides along the arc-shaped sliding portion 624 to change the relative position between the mounting member 620 and the first image sensor 300. After the adjustment is in place, lock the second locking member and the third locking member.

[0087] The structure of the second connection assembly and its cooperation structure with the second image sensor 500 are the same as the structure of the first connection assembly 600, and will not be elaborated here.

[0088] In some embodiments of the present application, there is a spacing between the first image sensor 300 and the second image sensor 500 in the moving direction of the battery electrode plate 900. The spacing is set as ΔY, and ΔY≥10 mm, which is used to avoid mutual interference of the light sources of the upper and lower sensors and affect the detection accuracy.

[0089] In some embodiments of the present application, the first anti-shake member 200 is offset along the first direction relative to the moving direction of the battery electrode plate 900 to form a first offset amount. The size of the first offset amount is adjustable. A first offset adjustment structure is formed between the base body 100 and the first anti-shake member 200. By adjusting the first offset amount of the first anti-shake member 200, the tension of the first anti-shake member 200 on the battery electrode plate 900 can be adjusted.

[0090] In some embodiments of the present application, the first offset adjustment structure includes:

[0091] A first adjustment chute 110 formed on the base body 100;

[0092] And a first adjustment block 710 connected to the first anti-shake member 200;

[0093] A first adjustment locking member 720, which passes through the first adjustment chute 110 and is screwed into the first adjustment block 710;

[0094] An adjustment mechanism for driving the first adjustment block 710 to move when the first adjustment locking member 720 is loosened.

[0095] In some embodiments, the first adjustment locking member 720 is a first adjustment locking bolt, which passes through the first adjustment chute 110 to be connected to the first adjustment block 710.

[0096] When in the adjustment state, loosen the first adjustment locking bolt, and through the action of the adjustment mechanism, drive the first adjustment block 710 to drive the first adjustment locking bolt to move along the first adjustment chute 110, so as to change the position of the first anti-shake member 200 connected to the first adjustment block 710, so as to realize the adjustment of the offset amount thereof, so as to change the tension on the battery electrode 900.

[0097] After the adjustment is completed, tighten the first adjustment locking bolt to lock and fix the base body 100 and the first adjustment block 710.

[0098] In some embodiments of the present application, the adjustment mechanism includes:

[0099] A fixed seat 810, fixed on the base body 100, and a threaded hole is provided on the fixed seat 810 and runs through it along the length direction of the first adjustment chute 110;

[0100] The fixed seat 810 can be locked and fixed on the base body 100 by screws.

[0101] And an adjustment screw 820 screwed into the fixed seat 810, the adjustment screw 820 is screwed into the threaded hole and the end extends out of the threaded hole and abuts against the first adjustment block 710.

[0102] When it is necessary to adjust the positions of the first adjustment block 710 and the first anti-shake member 200, the adjustment screw 820 can be rotated to move it upward along the threaded hole on the fixed seat 810 to realize the upward position adjustment of the first adjustment block 710;

[0103] It is also possible to rotate the adjustment screw 820 to move downward, so that the first adjustment block 710 automatically slides down to the place by gravity.

[0104] In some embodiments of the present application, the moving direction of the second anti-vibration component 400 relative to the battery electrode 900 is offset along the second direction to form a second offset amount, and the magnitude of the second offset amount is adjustable. A second offset adjustment structure is formed between the base body 100 and the second anti-vibration component 400. By adjusting the second offset amount of the second anti-vibration component 400, the tension of the second anti-vibration component 400 on the battery electrode 900 can be adjusted.

[0105] The second offset adjustment structure is the same as the first offset adjustment structure and will not be elaborated here.

[0106] In some embodiments of the present application, the first anti-vibration component 200 includes:

[0107] A first anti-vibration shaft 210, connected to the first adjustment block 710;

[0108] And a first anti-vibration roller 220 sleeved outside the first anti-vibration shaft 210, and the first anti-vibration roller 220 is rotatably connected to the first anti-vibration shaft 210.

[0109] A rotating bearing is provided between the first anti-vibration shaft 210 and the second anti-vibration roller to realize the rotation of the first anti-vibration roller 220.

[0110] By setting the first anti-vibration component 200 into a rotating structure in which the first anti-vibration roller 220 is arranged around the first anti-vibration shaft 210, the friction force between the first anti-vibration component 200 and the battery electrode 900 can be made a rolling friction force, reducing the friction between the two and avoiding the problem of the quality of the battery electrode 900 being damaged due to friction and powder falling off.

[0111] The structure of the second anti-vibration component 400 is the same as that of the first anti-vibration component 200 and will not be elaborated here.

[0112] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions required to be protected by the present invention.

Claims

1. A battery electrode defect detection device, characterized in that: Included are: matrix; and a first anti-shake component mounted on the base, pressed against the front surface of the battery pole piece and arranged along a first direction deviating from the moving direction of the battery pole piece; The first image sensor is facing the back side of the battery pole piece and is arranged opposite to the first anti-shake component, and is used to collect the back side image of the battery pole piece; The second anti-shake component is spaced apart from the first anti-shake component, pressed against the back of the battery pole piece, and arranged along a second direction deviating from the moving direction of the battery pole piece, wherein the second direction is opposite to the first direction and both are perpendicular to the moving direction of the battery pole piece; The second image sensor is arranged on the front side of the battery pole piece and is arranged opposite to the second anti-shake component, and is used to collect the front side image of the battery pole piece.

2. The battery pole piece defect detection device according to claim 1, characterized in that: Included are: A first connecting component, used to connect the first image sensor to the substrate; The second connecting component is used to connect the second image sensor to the substrate.

3. The battery pole piece defect detection device according to claim 2, characterized in that: The first connecting assembly includes: a supporting component fixedly connected to the base; A mounting component connected to the supporting component, wherein the rotation angle of the mounting component relative to the supporting component is adjustable; The first image sensor is connected to the mounting component, and its rotation angle relative to the mounting component is adjustable.

4. The battery pole piece defect detection device according to claim 3, characterized in that: An insertion portion having a structure that penetrates the installation component is formed on the installation component, the insertion portion has an opening, and locking arms are arranged at positions on both sides of the opening; The supporting component is inserted into the inserting portion and can rotate relative to the inserting portion; The first locking assembly is connected to the two locking arms and is used to lock and fix the supporting component and the mounting component that are rotated into place.

5. The battery pole piece defect detection device according to claim 3, characterized in that: A rotation center portion is formed on the mounting component; and an arc-shaped sliding portion with the rotation center portion as the center of the circle; A second locking member passes through the rotating center portion and is screwed into the first image sensor; A third locking member passes through the arc-shaped sliding portion and is screwed into the first image sensor; During adjustment, the second locking member and the third locking member are loosened, and the first image sensor is moved to slide along the arc-shaped sliding portion with the rotation center portion as the rotation center; When the adjustment is in place, the second locking member and the third locking member are tightened to lock and fix the mounting component and the first image sensor.

6. The battery pole piece defect detection device according to claim 1, characterized in that: There is a distance between the first image sensor and the second image sensor in the moving direction of the battery electrode, and the distance is greater than or equal to 10 mm.

7. The battery pole piece defect detection device according to claim 1, characterized in that: The first anti-shake component is offset along a first direction relative to the moving direction of the battery pole piece to form a first offset, the first offset is adjustable, and a first offset adjustment structure is formed between the base and the first anti-shake component.

8. The battery pole piece defect detection device according to claim 7, characterized in that: The first offset adjustment structure includes: A first adjusting slot formed on the base; and a first adjustment block connected to the first anti-shake component; A first adjusting locking member, passing through the first adjusting slot and screwed into the first adjusting block; The adjusting mechanism is used to drive the first adjusting block to move when the first adjusting locking member is loosened.

9. The battery pole piece defect detection device according to claim 8, characterized in that: The regulating mechanism comprises: A fixing seat is fixed on the base, and a threaded hole is provided on the fixing seat and penetrates the first adjusting slot along the length direction thereof; And an adjusting screw is screwed in the fixing seat, wherein the adjusting screw is screwed in the threaded hole and an end of the adjusting screw extends out of the threaded hole and abuts against the first adjusting block.

10. The battery pole piece defect detection device according to claim 8, characterized in that: The first anti-shake component includes: A first anti-shake shaft connected to the first adjustment block; And a first anti-shake roller is sleeved on the outer side of the first anti-shake shaft, and the first anti-shake roller is rotatably connected to the first anti-shake shaft.

Images