Battery gluing device

By employing a combination of an identification unit and a correction unit in the battery coating device, precise positioning and efficient stacking of the electrode sheets are achieved, solving the problems of low coating accuracy and efficiency, and improving the coating quality of solid-state batteries.

CN224208446UActive Publication Date: 2026-05-08HEFEI GUOXUAN HIGH TECH POWER ENERGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEFEI GUOXUAN HIGH TECH POWER ENERGY
Filing Date
2025-03-27
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing battery coating devices have shortcomings in terms of coating accuracy and efficiency, especially in solid-state batteries, where inconsistent positioning references and the series-action nature of the coating process lead to low coating accuracy and efficiency.

Method used

A battery coating device is used, including a support assembly and a stacking assembly. By using a combination of an identification unit and a correction unit, the angle and position of the electrode sheets are identified and adjusted between the conveying components by moving the correction unit, so as to achieve precise positioning and efficient stacking of the electrode sheets, and coating is performed under the control of the identification unit.

Benefits of technology

It improves the accuracy and efficiency of electrode stacking, avoids the problem of inconsistent positioning references, enhances the accuracy of adhesive application, and improves the efficiency of adhesive application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a battery gluing device. The battery gluing device comprises a supporting assembly and a stacking assembly arranged on the supporting assembly, and the stacking assembly comprises a conveying part which comprises two conveying components used for conveying pole pieces; the deviation rectifying part is movably arranged in the first direction, the deviation rectifying part is used for receiving the pole pieces conveyed by the two conveying components, and at least part of the deviation rectifying part is rotatably arranged relative to the supporting assembly; the transferring part is rotatably arranged relative to the supporting assembly, and the transferring part is used for transferring one pole piece on the deviation rectifying part to the other pole piece on the deviation rectifying part; and the recognition part is located between the two conveying components and used for recognizing the angle and the position of the pole piece, and the deviation rectifying part and the transferring part are both in control connection with the recognition part. According to the technical scheme provided by the utility model, the problems of lower gluing precision and lower gluing efficiency of the battery gluing device in the prior art are solved.
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Description

Technical Field

[0001] This utility model relates to the field of battery technology, and more specifically, to a battery coating device. Background Technology

[0002] Solid-state batteries use a solid electrolyte instead of a traditional liquid electrolyte. To improve energy density, solid-state batteries minimize the overhang (the portion of the electrode extending beyond the battery casing) and eliminate the separator between the positive and negative electrodes. Therefore, to prevent short circuits between the positive and negative electrodes, an adhesive coating is needed. Since the overhang design value for solid-state batteries is relatively small, the challenge lies in improving the coating precision and accelerating the coating efficiency.

[0003] In existing technologies, when it is necessary to coat the positive and negative electrodes with adhesive, two methods are generally used: series or parallel connection. When using the parallel connection method, two sets of CCDs (Charge-Coupled) are employed. The device (charge-coupled device) consists of two sets of correction mechanisms. The CCD can capture and identify the angle of the electrode, and the correction mechanism can correct the angle of the electrode. After correction, the transfer component places the positive electrode onto the negative electrode, and the adhesive application component applies adhesive between the positive and negative electrodes. However, because two sets of CCDs are used, there is an inconsistency in the positioning reference between the two sets of CCDs, which reduces the adhesive application accuracy. When a series connection is used, one set of CCDs and one set of correction mechanisms are used. The CCD and correction mechanism first capture and identify the negative electrode, then correct the angle of the negative electrode, then capture and identify the positive electrode, then correct the angle of the positive electrode, and finally place the positive electrode onto the negative electrode. The adhesive application component applies adhesive between the positive and negative electrodes. Compared to the parallel connection method which uses two sets of CCDs, the series connection method only uses one set of CCDs, which improves the adhesive application accuracy. However, because the entire adhesive application process is a series action, it leads to a lower adhesive application efficiency. Utility Model Content

[0004] The main objective of this invention is to provide a battery coating device to solve the problems of low coating accuracy and low coating efficiency in existing battery coating devices.

[0005] To achieve the above objectives, this utility model provides a battery coating apparatus. The battery coating apparatus includes a support assembly and a stacking assembly disposed on the support assembly. The stacking assembly includes: a conveying section comprising two conveying members for conveying electrode sheets; a correction section movably disposed along a first direction for receiving electrode sheets conveyed by the two conveying members, at least a portion of the correction section being rotatably disposed relative to the support assembly; a transfer section rotatably disposed relative to the support assembly for transferring one electrode sheet from the correction section to another electrode sheet on the correction section; and an identification section located between the two conveying members for identifying the angle and position of the electrode sheets. Both the correction section and the transfer section are controlled and connected to the identification section.

[0006] In the above technical solution, the correction unit moves along the first direction, receiving an electrode sheet from one of the two conveying components. Simultaneously, the identification unit captures and identifies the angle and position of the electrode sheet received from the other conveying component on the correction unit. Since the correction unit is controlled by the identification unit, the identification unit sends a signal to the correction unit to cause at least a portion of the correction unit to rotate. This adjusts the angle of the electrode sheet received from the other conveying component on the correction unit. The correction unit then moves again along the first direction to further adjust the angle of the electrode sheet. The offset section is located below the identification section. The identification section can photograph and identify the angle and position of the electrode sheet taken from one of the two conveying members. Simultaneously, the clamping member can clamp one of the two electrodes (positive electrode sheet) on the correction section. Since the identification section is controlled and connected to the transfer section, the clamping member can rotate the clamped electrode sheet (positive electrode sheet) and adjust its position so that the angle and position of the clamped electrode sheet (positive electrode sheet) are the same as the other electrode sheet (negative electrode sheet), and then place the clamped electrode sheet (positive electrode sheet) on the ground. On the other electrode (negative electrode) of the two electrodes on the correction section, the two electrodes on the correction section can be stacked together, and adhesive is applied between the two electrodes. Compared with the parallel setting in the prior art (using two sets of identification parts to photograph the two electrodes separately and identify the angle and position of the two electrodes), this embodiment only uses one set of identification parts to photograph the two electrodes and identify the angle and position of the two electrodes. In this way, the battery adhesive application device can reduce one set of identification parts, which can avoid the phenomenon of inconsistent positioning reference caused by setting two sets of identification parts, and thus avoid the problem of low adhesive application accuracy due to inaccurate accuracy when the two electrodes are stacked. Compared with the series setting in the prior art (using one set of identification parts and correction parts, first identifying and correcting the negative electrode, and then identifying and correcting the positive electrode), since the identification part is located between two conveying components, by moving the correction part, the other electrode can be identified when one electrode is picked up. The two steps are performed simultaneously, which can improve the stacking efficiency of the two electrodes, thereby improving the adhesive application efficiency.

[0007] Furthermore, the correction unit includes: a wafer picking member, which is movably disposed on the support assembly along a first direction; and a correction member, which is rotatably disposed relative to the support assembly and is movably disposed on the support assembly along the first direction. The correction member is controlled to be connected to the identification unit. The wafer picking member and the correction member are respectively used to receive the electrode sheets conveyed by the two conveying members.

[0008] In the above technical solution, the electrode picking component and the correction component move along the first direction. The electrode picking component receives the electrode sheet from the corresponding conveying component. Simultaneously, the identification unit can photograph and identify the angle and position of the electrode sheet on the correction component. Since the correction component is controlled and connected to the identification unit, the identification unit sends a signal to the correction component to rotate it. This adjusts the angle and position of the electrode sheet on the correction component. The electrode picking component and the correction component are then moved again along the first direction so that the electrode picking component is positioned below the identification unit. The identification unit can then photograph and identify the electrode sheet on the electrode picking component. The angle and position of the clamping member are controlled by the identification unit and the transfer unit. The clamping member can rotate the clamped electrode and adjust its position so that the angle and position of the clamped electrode (positive electrode) are the same as the other electrode (negative electrode). The clamped electrode (positive electrode) is then placed on the other electrode (negative electrode) of the correction member and the electrode picking member. In this way, the electrode on the correction member and the electrode on the electrode picking member can be stacked together to facilitate the application of adhesive between the two electrodes.

[0009] Furthermore, one of the two conveying components is used to convey the positive electrode sheet, and the other of the two conveying components is used to convey the negative electrode sheet. The correction component is set in correspondence with the conveying component used to convey the positive electrode sheet, and the sheet picking component is set in correspondence with the conveying component used to convey the negative electrode sheet.

[0010] In the above technical solution, by moving the wafer-picking component and the correction component, the wafer-picking component is aligned with the conveying component for conveying the negative electrode sheet, and the correction component is aligned with the identification unit. In this way, the wafer-picking component can receive the negative electrode sheet from the conveying component, and the identification unit can identify the angle and position of the positive electrode sheet on the correction component. The identification unit sends a signal to the correction component to rotate, thus adjusting the angle and position of the positive electrode sheet on the correction component. The clamping component then clamps the corrected positive electrode sheet. The wafer-picking component and the correction component are moved again to align the wafer-picking component with the identification unit, thus correcting the deviation. The component corresponds to the conveying component that conveys the positive electrode sheet. In this way, the correction component is used to receive the positive electrode sheet, and the identification unit can identify the angle and position of the negative electrode sheet on the picking component. The identification unit will give a signal to the transfer unit to make the clamping component rotate. The angle of the positive electrode sheet on the clamping component can be adjusted to the same angle as the negative electrode sheet on the picking component, and the position of the positive electrode sheet on the clamping component can be adjusted to the same position as the negative electrode sheet on the picking component. The transfer unit places the picked positive electrode sheet on the negative electrode sheet. In this way, the positive electrode sheet and the negative electrode sheet can be stacked together, and adhesive is applied between the two electrodes.

[0011] Furthermore, the correction component includes: a base, movably mounted on a support assembly; a first drive member, controlled and connected to the identification unit, the first drive member having a fixed end and a rotating end, the rotating end being rotatably mounted relative to the fixed end, the fixed end being connected to the base; and a correction platform, mounted on the rotating end.

[0012] In the above technical solution, the identification unit captures and identifies the angle of the positive electrode sheet. Based on the position deviation information provided by the identification unit, the controller calculates the rotation angle and direction required for correction. The controller sends a signal to the first driving unit to drive the rotating end of the first driving unit to rotate relative to the fixed end, so as to correct the angle of the positive electrode sheet on the correction platform.

[0013] Furthermore, the conveying member has a conveying surface for conveying the electrode sheet along the second direction. The conveying surface is configured to attract or release the electrode sheet. The correction member and the electrode sheet picking member can be moved to the underside of the conveying surfaces of the two conveying members, respectively. The first direction and the second direction are arranged at an angle.

[0014] In the above technical solution, each conveying surface conveys the electrode sheet along the second direction. At this time, the electrode sheet is adsorbed onto the conveying surface. The first linear module drives the electrode picking component and the correction component to move along the first direction toward the conveying component used to convey the negative electrode sheet. When the electrode picking component moves to below the conveying component used to convey the negative electrode sheet, the conveying surface releases the negative electrode sheet. The negative electrode sheet falls onto the electrode picking component under the action of gravity. The identification unit captures and identifies the positive electrode sheet on the correction component. The correction component adjusts the angle of the positive electrode sheet. The clamping component clamps the adjusted positive electrode sheet. The first linear module drives the electrode picking component and the correction component to move along the first direction toward the conveying component used to convey the negative electrode sheet. The conveying member for conveying the positive electrode sheet moves in the direction of the conveying member. When the correction member moves to below the conveying member for conveying the positive electrode sheet, the conveying surface releases the positive electrode sheet. The positive electrode sheet falls onto the correction member under the action of gravity. The identification unit can take pictures and identify the negative electrode sheet on the taking member. Since the identification unit is controlled and connected to the transfer unit, the clamping member can rotate the angle of the positive electrode sheet so that the angle of the positive electrode sheet is adjusted to the same angle as the negative electrode sheet on the taking member. The clamping member moves above the negative electrode sheet and releases the positive electrode sheet. In this way, the positive electrode sheet can be stacked on the negative electrode sheet, which facilitates the subsequent application of adhesive between the positive electrode sheet and the negative electrode sheet.

[0015] Furthermore, the battery coating device also includes a first linear module disposed on the support assembly, the first linear module having at least one movable end, the movable end being movably disposed relative to the support assembly along a first direction, the at least one movable end being used to switch the correction section between two conveying members.

[0016] In the above technical solution, the moving end of the first linear module can drive the correction unit to move along the first direction toward the conveying member used for conveying negative electrode sheets, so that the sheet-picking member can move to a position corresponding to the conveying member used for conveying negative electrode sheets. The sheet-picking member receives the negative electrode sheet on the conveying member used for conveying negative electrode sheets. The identification unit captures and identifies the angle of the positive electrode sheet on the correction unit. The identification unit sends a signal to the correction unit to make the correction unit rotate to adjust the angle of the positive electrode sheet. The clamping member clamps the positive electrode sheet. The moving end of the first linear module drives the correction unit to move along the first direction toward the conveying member used for conveying negative electrode sheets. The conveying member for the positive electrode sheet moves in a certain direction, the picking member moves to the position corresponding to the identification unit, and the correction member moves to the position corresponding to the conveying member for conveying the positive electrode sheet. The correction member receives the positive electrode sheet, and the identification unit can identify the angle of the negative electrode sheet on the picking member. The identification unit will give a signal to the transfer unit, so that the clamping member can rotate to adjust the angle of the positive electrode sheet on the clamping member to the same angle as the negative electrode sheet on the picking member. In this way, when the clamping member releases the positive electrode sheet, the positive electrode sheet can be placed on the negative electrode sheet, which facilitates the application of adhesive between the positive and negative electrode sheets.

[0017] Furthermore, the first linear module has a mobile end, and the stacked assembly also includes a connecting plate, through which the correction part is connected to the mobile end.

[0018] In the above technical solution, by setting a connecting plate, on the one hand, the correction part can be connected to the mobile end, which can reduce the number of mobile ends that need to be driven independently, thereby simplifying the overall structure of the first linear module; on the other hand, the correction part can move along the first direction. When the correction part moves to the position corresponding to the conveying component that conveys the negative electrode sheet, the correction part can pick up the negative electrode sheet. At the same time, the identification part can take a picture and identify the positive electrode sheet on the correction part from the conveying component that conveys the positive electrode sheet. In this way, the two steps can be performed simultaneously, thereby improving the glue application efficiency.

[0019] Furthermore, the battery coating device also includes a second linear module, which has a movable body that is movably disposed along a second direction and is connected to the first linear module.

[0020] In the above technical solution, on the one hand, the moving end of the first linear module can drive the correction part to move, so that the correction part can move between the two conveying components along the first direction; on the other hand, the moving body of the second linear module drives the first linear module to move along the second direction toward the direction of approaching or moving away from the coating component, so that the correction part can move between the stacked component and the coating component to complete the coating between the positive electrode and the negative electrode.

[0021] Furthermore, each conveying component includes: a support body having a cavity; a conveyor belt rotatably disposed on the outer periphery of the support body, the conveyor belt having multiple through holes arranged in an array, all of which communicate with the cavity, and the surface of the conveyor belt facing away from the support body forming a conveying surface; and a vacuum pipeline, one end of which communicates with the cavity, and the other end of which communicates with a vacuum pump.

[0022] In the above technical solution, before the electrode conveying begins, the vacuum pump starts running, generating negative pressure to place the electrode on the conveyor belt. Since the conveyor belt has through holes that are connected to the cavity of the support, the negative pressure in the cavity acts on the electrode through the through holes on the conveyor belt and generates an adsorption force, so that the electrode is stably attached to the conveyor surface. This can prevent the electrode from sliding or shifting during the conveying process. As the conveyor belt rotates, when the electrode on the conveyor surface moves to the designated position (above the electrode picking component or the correction component), the vacuum pump stops generating negative pressure, and the electrode on the conveyor surface falls onto the correction part under the action of gravity.

[0023] Furthermore, the battery coating apparatus also includes a coating assembly, which is disposed on the support assembly. The coating assembly and the stacking assembly are spaced apart along the second direction. The coating assembly includes a coating member, and a correction part is movably disposed along the second direction to move closer to or further away from the coating assembly. The coating member is used to apply adhesive between two electrodes.

[0024] In the above technical solution, after the positive electrode and negative electrode are stacked in the correction section, the correction section moves in the second direction toward the direction of the coating component, so that the stacked positive electrode and negative electrode move in the second direction toward the direction of the coating component. When the correction section moves to the position of the coating component, the coating component can apply adhesive between the two electrodes. After the coating component completes the coating between the positive electrode and the negative electrode, the correction section moves in the second direction away from the coating component.

[0025] Furthermore, there are multiple stacked components, which are spaced apart along the first direction, and an adhesive application component is provided between two adjacent stacked components.

[0026] In the above technical solution, by placing the coating component between two adjacent stacked components, when coating the positive and negative electrode sheets of one of the correction sections, it will not affect the stacking of the positive and negative electrode sheets of the other stacked component. In this way, the efficiency of the battery coating device is guaranteed while the compactness of the structural layout of the battery coating device is also taken into account.

[0027] Applying the technical solution of this utility model, the correction unit moves along the first direction. The correction unit receives an electrode sheet from one of the two conveying components. Simultaneously, the identification unit captures and identifies the angle and position of the electrode sheet received from the other conveying component on the correction unit. Since the correction unit and the identification unit are controlled and connected, the identification unit sends a signal to the correction unit to cause at least part of the correction unit to rotate. In this way, the angle of the electrode sheet received from the other conveying component on the correction unit can be adjusted. The correction unit then moves along the first direction again. This is to position the correction section below the identification section. The identification section can photograph and identify the angle and position of the electrode sheet removed from one of the two conveying members. Simultaneously, the clamping member can clamp one of the two electrodes (positive electrode sheet) on the correction section. Since the identification section is controlled and connected to the transfer section, the clamping member can rotate the clamped electrode sheet (positive electrode sheet) and adjust its position so that the angle and position of the clamped electrode sheet (positive electrode sheet) are the same as the other electrode sheet (negative electrode sheet), and then... The electrode (negative electrode) is placed on the other electrode (positive electrode) of the two electrodes on the correction section. In this way, the two electrodes on the correction section can be stacked together, and glue is applied between the two electrodes. Compared with the parallel setting in the prior art (using two sets of identification parts to photograph the two electrodes separately and identify the angle and position of the two electrodes), this embodiment only uses one set of identification parts to photograph the two electrodes and identify the angle and position of the two electrodes. In this way, the battery glue application device can reduce one set of identification parts, which can avoid the phenomenon of inconsistent positioning reference caused by setting two sets of identification parts, and thus avoid the problem of low glue application accuracy due to inaccurate accuracy when stacking two electrodes. Compared with the series setting in the prior art (using one set of identification parts and correction parts, first identifying and correcting the negative electrode, and then identifying and correcting the positive electrode), since the identification part is located between two conveying components, by moving the correction part, the other electrode can be identified while one electrode is being picked up. The two steps are performed simultaneously, which can improve the stacking efficiency of the two electrodes, thereby improving the glue application efficiency. Attached Figure Description

[0028] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0029] Figure 1 A schematic diagram of an embodiment of the battery coating device of this utility model is shown;

[0030] Figure 2 It shows Figure 1 A schematic diagram of the structure of the support assembly, stacking assembly and unloading assembly of the battery coating device;

[0031] Figure 3 It shows Figure 1 A schematic diagram of the stacked components of the battery coating device (showing the first linear module and the second linear module);

[0032] Figure 4 It shows Figure 1 A schematic diagram of the coating component of the battery coating device.

[0033] The above figures include the following reference numerals:

[0034] 1. Conveying component; 3. Transfer unit; 5. Glue application assembly; 50. Fifth linear module; 52. 3D camera; 53. Fourth linear module; 54. Third linear module; 55. Second bracket; 56. Glue application component; 57. Second connector; 58. First connector; 581. First plate segment; 582. Second plate segment; 59. Second drive component; 60. Slide rail; 6. Unloading assembly; 7. Support assembly; 71. Support plate; 72. First bracket; 4. Correction unit; 41. Identification unit; 42. Sheet picking component; 43. Correction component; 431. Base; 432. Correction platform; 44. Connecting plate; 45. Second linear module; 46. First linear module. Detailed Implementation

[0035] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0036] It should be noted that, in the embodiments of this utility model, such as Figure 1 As shown, the first direction, the second direction, and the third direction are arranged at an angle to each other. Preferably, the first direction, the second direction, and the third direction are arranged perpendicular to each other, wherein the third direction is a vertical direction.

[0037] like Figures 1 to 3 As shown, an embodiment of this utility model provides a battery coating apparatus. The battery coating apparatus includes a support assembly 7 and a stacking assembly disposed on the support assembly 7. The stacking assembly includes: a conveying section including two conveying members 1 for conveying electrode sheets; a correction section 4 movably disposed along a first direction for receiving electrode sheets conveyed by the two conveying members 1, at least a portion of the correction section 4 being rotatably disposed relative to the support assembly 7; a transfer section 3 rotatably disposed relative to the support assembly 7 for transferring one electrode sheet from the correction section 4 to another electrode sheet on the correction section 4; and an identification section 41 located between the two conveying members 1 for identifying the angle and position of the electrode sheets. Both the correction section 4 and the transfer section 3 are controlled and connected to the identification section 41.

[0038] In the above technical solution, the correction unit 4 moves along the first direction and receives an electrode sheet from one of the two conveying components 1. Simultaneously, the identification unit 41 captures and identifies the angle and position of the electrode sheet received from the other conveying component 1 on the correction unit 4. Since the correction unit 4 is controlled by the identification unit 41, the identification unit 41 sends a signal to the correction unit 4 to cause at least a portion of the correction unit 4 to rotate. This adjusts the angle of the electrode sheet received from the other conveying component 1 on the correction unit 4, allowing it to move again along the first direction. The correction unit 4 is positioned below the identification unit 41. The identification unit 41 can photograph and identify the angle and position of the electrode sheet removed from one of the two conveying members 1. Simultaneously, the clamping member can clamp one of the two electrodes (positive electrode sheet) on the correction unit 4. Since the identification unit 41 is controlled to connect with the transfer unit 3, the clamping member can rotate the clamped electrode sheet (positive electrode sheet) and adjust its position so that the angle and position of the clamped electrode sheet (positive electrode sheet) are the same as the other electrode sheet (negative electrode sheet), and the clamped electrode sheet... The positive electrode sheet is placed on the other electrode sheet (negative electrode sheet) of the two electrodes on the correction section 4. This allows the two electrodes on the correction section 4 to be stacked together, and adhesive is applied between them. Compared to the parallel setup in the prior art (using two sets of identification units 41 to photograph the two electrodes and identify their angles and positions), this embodiment uses only one set of identification units 41 to photograph the two electrodes and identify their angles and positions. This reduces the number of identification units 41 required for the battery adhesive application device, avoiding the need for two sets of identification units. The identification unit 41 can prevent the inconsistency of positioning references, thus avoiding the problem of low glue application accuracy due to inaccurate precision when two electrodes are stacked. Compared with the series setting in the prior art (using a set of identification units 41 and correction units 4, first identifying and correcting the negative electrode, and then identifying and correcting the positive electrode), since the identification unit 41 is located between the two conveying members 1, by moving the correction unit 4, the other electrode can be identified when one electrode is picked up. The two steps are carried out simultaneously, which can improve the stacking efficiency of the two electrodes, thereby improving the glue application efficiency.

[0039] Specifically, in the embodiments of this utility model, the transfer unit 3 is a four-axis robot. The specific structure of the four-axis robot can be referred to the prior art, and will not be described in detail here.

[0040] Specifically, in the embodiments of this utility model, the identification unit 41 is a CCD. The specific structure of the CCD can be referred to the prior art, and will not be described in detail here.

[0041] Specifically, in the embodiments of this utility model, the battery coating device further includes a controller, and the transfer unit 3 and the correction unit 4 are electrically connected to the identification unit 41 through the controller.

[0042] like Figures 2 to 3 As shown in the embodiment of this utility model, the correction part 4 includes: a sheet-taking component 42, which is movably disposed on the support component 7 along a first direction; and a correction component 43, which is rotatably disposed relative to the support component 7 and is movably disposed on the support component 7 along the first direction. The correction component 43 is controlled to be connected to the identification part 41. The sheet-taking component 42 and the correction component 43 are respectively used to receive the electrode sheets conveyed by the two conveying components 1.

[0043] In the above technical solution, the electrode picking component 42 and the correction component 43 move along the first direction. The electrode picking component 42 receives the electrode sheet from the corresponding conveying component 1. Simultaneously, the identification unit 41 can photograph and identify the angle and position of the electrode sheet on the correction component 43. Since the correction component 43 is controlled and connected to the identification unit 41, the identification unit 41 sends a signal to the correction component 43 to rotate it. This adjusts the angle and position of the electrode sheet on the correction component 43. The electrode picking component 42 and the correction component 43 are then moved again along the first direction so that the electrode picking component 42 is positioned below the identification unit 41. The identification unit 41 can photograph and identify the electrode picking component 42. The angle and position of the electrode on the electrode picking member 42 are determined. At the same time, the clamping member can clamp the electrode (positive electrode) on one of the correction member 43 and the electrode picking member 42. Since the identification unit 41 is controlled and connected to the transfer unit 3, the clamping member can rotate the clamped electrode and adjust the position of the clamped electrode so that the angle and position of the clamped electrode (positive electrode) are the same as the other electrode (negative electrode). The clamped electrode (positive electrode) is then placed on the other electrode (negative electrode) of the correction member 43 and the electrode picking member 42. In this way, the electrode on the correction member 43 can be stacked together with the electrode on the electrode picking member 42 to facilitate the application of adhesive between the two electrodes.

[0044] Furthermore, the movement of the correction unit 4 (the electrode picking member 42 and the correction member 43) along the first direction and the rotation of the correction member 43 are combined. In this way, the electrode picking member 42 can receive the electrode on one side, and the identification unit 41 can capture and identify the angle and position of the electrode on the correction member 43. The correction member 43 rotates to adjust the angle and position of the electrode, thereby reducing the waiting time. This can improve the speed of subsequent battery coating and thus improve production efficiency.

[0045] Specifically, in the embodiments of this utility model, the support component 7 includes a support plate 71 and a first bracket 72. The first bracket 72 is mounted on the support plate 71, and the identification part 41 is disposed on the first bracket 72. Two conveying components 1 are disposed at intervals along the first direction on the first bracket 72. The identification part 41 is located above the correction part 4. When the correction component 43 moves along the first direction to below the identification part 41, the electrode sheet on the correction component 43 can be photographed and identified. When the electrode taking component 42 moves along the first direction to below the identification part 41, the electrode sheet on the electrode taking component 42 can be photographed and identified.

[0046] like Figures 1 to 3 As shown in the embodiment of this utility model, one of the two conveying components 1 is used to convey the positive electrode sheet, and the other conveying component 1 is used to convey the negative electrode sheet. The correction component 43 is correspondingly arranged with the conveying component 1 used to convey the positive electrode sheet, and the sheet picking component 42 is correspondingly arranged with the conveying component 1 used to convey the negative electrode sheet.

[0047] In the above technical solution, by moving the wafer-picking component 42 and the correction component 43, the wafer-picking component 42 is aligned with the conveying component 1 used for conveying negative electrode sheets, and the correction component 43 is aligned with the identification unit 41. In this way, the wafer-picking component 42 can receive the negative electrode sheet from the conveying component 1, and the identification unit 41 can identify the angle and position of the positive electrode sheet on the correction component 43. The identification unit 41 sends a signal to the correction component 43 to cause it to rotate, thus adjusting the angle and position of the positive electrode sheet on the correction component 43. The clamping component then clamps the corrected positive electrode sheet. The wafer-picking component 42 and the correction component 43 are moved again to align the wafer-picking component 42 with the identification unit 41. Corresponding to part 41, the correction member 43 corresponds to the conveying member 1 that conveys the positive electrode sheet. Thus, the correction member 43 is used to receive the positive electrode sheet, and the identification unit 41 can identify the angle and position of the negative electrode sheet on the picking member 42. The identification unit 41 will give a signal to the transfer unit 3 to make the clamping member rotate. The angle of the positive electrode sheet on the clamping member can be adjusted to the same angle as the negative electrode sheet on the picking member 42, and the position of the positive electrode sheet on the clamping member can be adjusted to the same position as the negative electrode sheet on the picking member 42. The transfer unit 3 places the clamped positive electrode sheet onto the negative electrode sheet. Thus, the positive electrode sheet and the negative electrode sheet can be stacked together, and adhesive is applied between the two electrodes.

[0048] Specifically, in the embodiments of this utility model, when the positive electrode sheet is adjusted at an angle on the correction component 43, the sheet-taking component 42 can simultaneously prepare to take the negative electrode sheet off the conveying component 1. When the identification unit 41 takes a picture of the negative electrode sheet on the sheet-taking component 42 for identification, the correction component 43 can simultaneously take the positive electrode sheet off the conveying component 1. This synchronous operation significantly improves the adhesive coating efficiency.

[0049] like Figure 3As shown, in an embodiment of the present invention, the correction component 43 includes: a base 431, which is movably disposed on the support component 7; a first driving member, which is controlled and connected to the identification unit 41, the first driving member having a fixed end and a rotating end, the rotating end being rotatably disposed relative to the fixed end, and the fixed end being connected to the base 431; and a correction platform 432 disposed on the rotating end.

[0050] In the above technical solution, the identification unit 41 captures and identifies the angle of the positive electrode sheet. Based on the position deviation information provided by the identification unit 41, the controller calculates the rotation angle and direction required for correction. The controller sends a signal to the first driving member to drive the rotating end of the first driving member to rotate relative to the fixed end, so as to correct the angle of the positive electrode sheet on the correction platform 432.

[0051] Specifically, in the embodiments of this utility model, the correction component 43 is a UVW platform. The specific structure of the UVW platform can be referred to the prior art, and will not be described in detail here.

[0052] It should be noted that, in the embodiments of this utility model, the position deviation refers to the deviation between the preset position of the electrode on the UVW platform and the actual position of the electrode in the camera coordinate system. The preset position can be set based on the experience of those skilled in the art.

[0053] Specifically, in an embodiment of this utility model, the rotating end of the first driving member is electrically connected to the controller.

[0054] like Figures 1 to 3 As shown in the embodiment of the present invention, the conveying member 1 has a conveying surface for conveying the electrode sheet along the second direction. The conveying surface is configured to adsorb or release the electrode sheet. The correction member 43 and the electrode sheet picking member 42 can be moved to the lower part of the conveying surface of the two conveying members 1 respectively. The first direction and the second direction are arranged at an angle.

[0055] In the above technical solution, each conveying surface conveys the electrode sheet along the second direction. At this time, the electrode sheet is adsorbed on the conveying surface. The first linear module 46 drives the electrode picking component 42 and the correction component 43 to move along the first direction toward the conveying component 1 used to convey the negative electrode sheet. When the electrode picking component 42 moves to below the conveying component 1 used to convey the negative electrode sheet, the conveying surface releases the negative electrode sheet. The negative electrode sheet falls onto the electrode picking component 42 under the action of gravity. The identification unit 41 captures and identifies the positive electrode sheet on the correction component 43. The correction component 43 adjusts the angle of the positive electrode sheet. The clamping component clamps the adjusted positive electrode sheet. The first linear module 46 drives the electrode picking component 42 and the correction component 43 along the first direction. The positive electrode sheet is moved towards the conveying member 1 used for conveying the positive electrode sheet. When the correction member 43 moves to below the conveying member 1 used for conveying the positive electrode sheet, the conveying surface releases the positive electrode sheet. The positive electrode sheet falls onto the correction member 43 under the action of gravity. The identification unit 41 can take pictures and identify the negative electrode sheet on the taking member 42. Since the identification unit 41 is controlled and connected to the transfer unit 3, the clamping member can rotate the angle of the positive electrode sheet so that the angle of the positive electrode sheet is adjusted to the same angle as the negative electrode sheet on the taking member 42. The clamping member moves above the negative electrode sheet and releases the positive electrode sheet. In this way, the positive electrode sheet can be stacked on the negative electrode sheet, which facilitates the subsequent application of adhesive between the positive electrode sheet and the negative electrode sheet.

[0056] like Figures 1 to 3 As shown in the embodiment of the present invention, the battery coating device further includes a first linear module 46 disposed on the support component 7. The first linear module 46 has at least one movable end, which is movably disposed relative to the support component 7 along a first direction. The at least one movable end is used to switch the correction part 4 between two conveying components 1.

[0057] In the above technical solution, the moving end of the first linear module 46 can drive the correction unit 4 to move along the first direction toward the conveying member 1 used for conveying negative electrode sheets, so that the sheet-picking member 42 can move to a position corresponding to the conveying member 1 used for conveying negative electrode sheets. The sheet-picking member 42 receives the negative electrode sheet on the conveying member 1 used for conveying negative electrode sheets. The identification unit 41 captures and identifies the angle of the positive electrode sheet on the correction member 43. The identification unit 41 sends a signal to the correction member 43 to make the correction member 43 rotate to adjust the angle of the positive electrode sheet. The clamping member picks up the positive electrode sheet. The moving end of the first linear module 46 drives the correction unit 4 to move along the first direction toward the conveying member 1 used for conveying negative electrode sheets. The conveying member 1 for conveying the positive electrode sheet moves in the direction of the conveying member 1, the picking member 42 moves to the position corresponding to the identification unit 41, and the correction member 43 moves to the position corresponding to the conveying member 1 for conveying the positive electrode sheet. The correction member 43 receives the positive electrode sheet, and the identification unit 41 can identify the angle of the negative electrode sheet on the picking member 42. The identification unit 41 will give a signal to the transfer unit 3, so that the clamping member can rotate to adjust the angle of the positive electrode sheet on the clamping member to the same angle as the negative electrode sheet on the picking member 42. In this way, when the clamping member releases the positive electrode sheet, the positive electrode sheet can be placed on the negative electrode sheet, which facilitates the application of adhesive between the positive electrode sheet and the negative electrode sheet.

[0058] Specifically, in the embodiments of this utility model, the first linear module 46 is electrically connected to the controller.

[0059] It should be noted that, in the embodiments of this utility model, the specific structure of the linear module can refer to the prior art, and will not be repeated here.

[0060] like Figures 2 to 3 As shown in the embodiment of this utility model, the first linear module 46 has a mobile end, and the stacked assembly further includes a connecting plate 44. The correction part 4 is connected to the mobile end through the connecting plate 44.

[0061] In the above technical solution, by setting the connecting plate 44, on the one hand, the correction part 4 can be connected to the mobile end, which can reduce the number of mobile ends that need to be driven independently, thereby simplifying the overall structure of the first linear module 46; on the other hand, the correction part 4 can move along the first direction. When the correction part 4 moves to the position corresponding to the conveying member 1 that conveys the negative electrode sheet, the correction part 4 can pick up the negative electrode sheet. At the same time, the identification part 41 can take a picture and identify the positive electrode sheet on the correction part 4 that is conveying the positive electrode sheet from the conveying member 1 that conveys the positive electrode sheet. In this way, the two steps can be performed simultaneously, thereby improving the glue application efficiency.

[0062] Specifically, in the embodiments of this utility model, the taking component 42 and the correction component 43 are connected to the mobile end through the connecting plate 44.

[0063] Preferably, in an embodiment of the present invention, the fixed end of the first driving member is mounted on the connecting plate 44.

[0064] In one embodiment, the connecting plate 44 may not be provided. The first linear module 46 includes two moving ends. One of the moving ends is connected to the taking component 42, and the other moving end is connected to the correction component 43.

[0065] like Figure 3 As shown in the embodiments of this utility model, each conveying component 1 includes: a support body having a cavity; a conveyor belt rotatably disposed on the outer periphery of the support body, the conveyor belt having multiple through holes arranged in an array, all of which communicate with the cavity, and the surface of the conveyor belt facing away from the support body forming a conveying surface; and a vacuum pipeline, one end of which communicates with the cavity, and the other end of which communicates with a vacuum pump.

[0066] In the above technical solution, before the electrode conveying begins, the vacuum pump starts running and generates negative pressure, placing the electrode on the conveyor surface of the conveyor belt. Since the conveyor belt has through holes that are connected to the cavity of the support, the negative pressure in the cavity will act on the electrode through the through holes on the conveyor belt and generate an adsorption force, so that the electrode is stably attached to the conveyor surface. This can prevent the electrode from sliding or shifting during the conveying process. When the conveyor belt rotates and the electrode on the conveyor surface moves to the designated position (above the electrode picking component 42 or the correction component 43), the vacuum pump stops generating negative pressure, and the electrode on the conveyor surface falls onto the correction part 4 under the action of gravity.

[0067] Specifically, in the embodiments of this utility model, the conveying component 1 can be a vacuum belt conveyor.

[0068] In one embodiment, the conveying component 1 may also be a belt conveyor, and the stacked assembly further includes a transfer component, through which the electrode sheets on the belt conveyor are transferred to the correction part 4.

[0069] like Figure 1 , Figure 2 and Figure 4 As shown in the embodiment of the present invention, the battery coating device further includes a coating component 5, which is disposed on the support component 7. The coating component 5 and the stacking component are spaced apart along the second direction. The coating component 5 includes a coating member 56, and the correction part 4 is movably disposed along the second direction to approach or move away from the coating component 5. The coating member 56 is used to apply adhesive between two electrode sheets.

[0070] In the above technical solution, after the positive electrode and negative electrode are stacked in the correction section 4, the correction section 4 moves in the second direction toward the direction of the coating component 5, so that the stacked positive electrode and negative electrode move in the second direction toward the direction of the coating component 5. When the correction section 4 moves to the position of the coating component 5, the coating component 56 can apply adhesive between the two electrodes. After the coating component 56 completes the coating between the positive electrode and the negative electrode, the correction section 4 moves in the second direction away from the coating component 5.

[0071] Specifically, in the embodiments of this utility model, the adhesive application component 56 is an adhesive application head.

[0072] like Figures 2 to 3 As shown in the embodiment of this utility model, the battery coating device further includes a second linear module 45, which has a movable body that is movably arranged along a second direction and is connected to the first linear module 46.

[0073] In the above technical solution, on the one hand, the moving end of the first linear module 46 can drive the correction part 4 to move, so that the correction part 4 can move between the two conveying components 1 along the first direction; on the other hand, the moving body of the second linear module 45 drives the first linear module 46 to move along the second direction toward or away from the adhesive coating component 5, so that the correction part 4 can move between the stacked component and the adhesive coating component to complete the adhesive coating between the positive electrode sheet and the negative electrode sheet.

[0074] Specifically, in the embodiments of this utility model, by setting the first linear module 46 on the second linear module 45 and connecting the moving body of the first linear module 46 to the correction part 4, the correction part 4 can move rapidly in the first and second directions. In this way, the electrode can quickly complete the correction and coating, improving the overall response speed of the battery coating device.

[0075] like Figure 4 As shown in the embodiment of this utility model, there are multiple stacked components. Along the first direction, the multiple stacked components are arranged at intervals, and an adhesive application component 5 is provided between two adjacent stacked components.

[0076] In the above technical solution, by placing the coating component 5 between two adjacent stacked components, when coating the positive and negative electrode sheets of one of the correction parts 4, the stacking of the positive and negative electrode sheets of the other stacked component will not be affected. In this way, the efficiency of the battery coating device is guaranteed while the compactness of the structural layout of the battery coating device is also taken into account.

[0077] Preferably, in an embodiment of the present invention, there are two stacked components.

[0078] like Figure 4As shown in the embodiment of the present invention, the adhesive application component 5 further includes a second bracket 55, which is mounted on the support component 7.

[0079] Specifically, such as Figure 4 As shown in the embodiment of this utility model, the adhesive coating assembly 5 further includes a driving component and a 3D camera 52. The driving component is mounted on the second bracket 55, and the 3D camera 52 is drivenly connected to the driving component. The 3D camera 52 is used to capture and identify the adhesive coating trajectory between the positive and negative electrode sheets. The specific structure of the 3D camera 52 can be referred to in the prior art and will not be repeated here. The driving component includes a third linear module 54, a fourth linear module 53, and a fifth linear module 50. The third linear module 54 has a movable body that is movably disposed along a first direction, the fourth linear module 53 has a movable body that is movably disposed along a second direction, and the fifth linear module 50... The linear module 50 has a movable body that is movably disposed along a third direction. The third linear module 54 is disposed on the second support 55. The fourth linear module 53 is disposed on the movable body of the third linear module 54. The fifth linear module 50 is disposed on the movable body of the fourth linear module 53. The adhesive application assembly 5 also includes a first connector 58 and a second connector 57. The first connector 58 includes a first plate segment 581 and a second plate segment 582 that are connected to each other and disposed at an angle. The first plate segment 581 is connected to the movable body of the fifth linear module 50. The driving component also includes a second driving component 59, which is a DD (Direct Drive) motor. The DD motor has a fixed end and a rotating end. The fixed end of the DD motor is connected to the second plate segment 582, and the rotating end of the DD motor is connected to the second connector 57. The 3D camera 52 and the adhesive application component 56 are disposed on the second connector 57.

[0080] Specifically, in the embodiments of this utility model, the adhesive application assembly 5 further includes a slide rail 60 and a sliding member. The slide rail 60 extends along a first direction and along a second direction. The slide rail 60 and the third linear module 54 are spaced apart on the second bracket 55. One end of the fourth linear module 53 is connected to the sliding member, and the other end of the fourth linear module 53 is connected to the moving body of the third linear module 54. The sliding member slides in cooperation with the slide rail 60.

[0081] It should be noted that in the embodiments of this utility model, the adhesive coating component 56 applies adhesive to the circumferential direction of the positive electrode sheet. After the adhesive coating is completed, the adhesive will seep into the gap between the positive electrode sheet and the negative electrode sheet, thus achieving the connection between the positive electrode sheet and the negative electrode sheet. The adhesive coating trajectory is the circumferential direction of the positive electrode sheet.

[0082] Specifically, such as Figure 2As shown in the embodiment of this utility model, the battery coating device further includes a feeding component 6. Along the second direction, the feeding component 6 is disposed on the side of the coating component 5 away from the stacked component. After the coating component 5 completes the coating of the positive electrode sheet and the negative electrode sheet, when the correction part 4 moves along the second direction away from the stacked component to the position of the feeding component 6, the feeding component 6 can transfer the coated positive electrode sheet and the negative electrode sheet. The feeding component 6 is a four-axis robot. The specific structure of the four-axis robot can refer to the prior art, and will not be described in detail here.

[0083] Specifically, in the embodiments of this utility model, the feeding component 6 transfers the coated positive and negative electrode sheets to subsequent processes.

[0084] Specifically, in this embodiment of the invention, the battery coating device only identifies the position of the negative electrode sheet, while performing CCD identification and position correction on the positive electrode sheet. This reduces the error in correcting and grasping the negative electrode sheet, improving the alignment accuracy of the positive and negative electrode sheets. It also reduces the number of identification units 41 and correction units 4, lowering the cost and footprint of the battery coating device while improving the alignment accuracy of the positive and negative electrode sheets. The identification unit 41 of the battery coating device is located in the middle of the two conveying components 1. Therefore, it can achieve simultaneous operation of CCD detection (identification unit 41 photographs and identifies the negative electrode sheet, or identification unit 41 photographs and identifies the positive electrode sheet, and correction component 43 corrects the positive electrode sheet) and material handling, improving the coating efficiency of the battery coating device while maintaining a compact layout.

[0085] Specifically, in the embodiments of this utility model, the overall working process of the battery coating device is as follows: S1: The sheet-picking component 42 and the correction component 43 are moved along the first direction. When the sheet-picking component 42 moves below the conveying component 1 used for conveying the negative electrode sheet, the vacuum pump stops generating negative pressure (changing from a vacuum state to a broken vacuum state); S2: The conveying surface releases the negative electrode sheet. At the same time, the correction component 43 is located below the identification unit 41. The identification unit 41 identifies the positive electrode sheet on the correction component 43 and sends a signal to the correction component 43. The correction component 43 corrects the positive electrode sheet, and the transfer unit 3 picks up the corrected positive electrode sheet; S3: The sheet-picking component 42 and the correction component 43 are moved again along the first direction so that the sheet-picking component 42 is located below the identification unit 41, and the correction component 43 is located below the conveying component 1 used for conveying the positive electrode sheet; S4: The conveying surface of the conveying component 1 used for conveying the positive electrode sheet releases the positive electrode sheet, and the correction component 43 receives it. S5: The identification unit 41 identifies the angle and position of the negative electrode sheet on the picking member 42; S6: The identification unit 41 sends a signal to the transfer unit 3 to adjust the angle of the picked positive electrode sheet so that the positive electrode sheet is adjusted to the same angle as the negative electrode sheet, and the positive electrode sheet is placed on the negative electrode sheet to complete the combination placement; S7: The picking member 42 and the correction member 43 are moved along the second direction to move the combined positive and negative electrode sheets to the bottom of the coating assembly 5; S8: The 3D camera 52 performs real-time detection and planning of the coating trajectory, the coating member 56 applies the adhesive, and after the coating is completed, the 3D camera 52 detects the coating condition (e.g., the thickness of the adhesive) and adjusts the amount of adhesive in real time by driving the drive member according to the detected result; S9: The picking member 42 and the correction member 43 are moved along the second direction so that the picking member 42 and the correction member 43 are located at the unloading assembly 6; S10: The unloading assembly 6 transfers the coated positive and negative electrode sheets to the subsequent process.

[0086] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: The correction unit moves along a first direction, receiving an electrode sheet from one of the two conveying components. Simultaneously, the identification unit captures and identifies the angle and position of the electrode sheet received from the other conveying component on the correction unit. Since the correction unit is controlled by the identification unit, the identification unit sends a signal to the correction unit to cause at least a portion of the correction unit to rotate. This allows adjustment of the electrode sheet received from the other conveying component on the correction unit. The angle is adjusted, and the correction unit moves again along the first direction so that it is positioned below the identification unit. The identification unit can photograph and identify the angle and position of the electrode sheet removed from one of the two conveying members. Simultaneously, the clamping member can clamp one of the two electrodes (positive electrode sheet) on the correction unit. Since the identification unit is controlled and connected to the transfer unit, the clamping member can rotate the clamped electrode sheet (positive electrode sheet) and adjust its position so that the angle and position of the clamped electrode sheet (positive electrode sheet) are the same as the other electrode sheet (negative electrode sheet). The clamped electrode (positive electrode) is placed on the other electrode (negative electrode) of the two electrodes on the correction section. This allows the two electrodes on the correction section to be stacked together, and adhesive is applied between them. Compared to the parallel setup in the prior art (using two sets of identification units to photograph the two electrodes separately and identify their angles and positions), this embodiment uses only one set of identification units to photograph the two electrodes and identify their angles and positions. This reduces the number of identification units in the battery adhesive application device, avoiding the need for additional identification units. The use of two sets of identification units avoids the inconsistency in positioning references caused by inaccurate positioning when two electrodes are stacked, thus preventing the problem of low adhesive application accuracy due to inaccurate positioning. Compared with the series setting in the prior art (using one set of identification and correction units, first identifying and correcting the negative electrode, then identifying and correcting the positive electrode), since the identification unit is located between two conveying components, by moving the correction unit, the identification of the other electrode can be performed while one electrode is being picked up. The two steps are performed simultaneously, which can improve the stacking efficiency of the two electrodes, thereby improving the adhesive application efficiency.

[0087] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A battery coating apparatus, characterized in that, It includes a support component (7) and a stacking component disposed on the support component (7), the stacking component comprising: The conveying section includes two conveying components (1) for conveying electrode sheets; The correction part (4) is movably disposed along a first direction. The correction part (4) is used to receive the electrode sheets conveyed by the two conveying members (1). At least part of the correction part (4) is rotatably disposed relative to the support assembly (7). The transfer section (3) is rotatably disposed relative to the support assembly (7), and the transfer section (3) is used to transfer one electrode on the correction section (4) to another electrode on the correction section (4); The identification unit (41) is located between the two conveying components (1). The identification unit (41) is used to identify the angle and position of the electrode. The correction unit (4) and the transfer unit (3) are both controlled and connected to the identification unit (41).

2. The battery coating apparatus according to claim 1, characterized in that, The correction unit (4) includes: The slice-taking component (42) is movably disposed on the support assembly (7) along the first direction; The correction component (43) is rotatably disposed relative to the support assembly (7) and is movably disposed on the support assembly (7) along the first direction. The correction component (43) is controlled to be connected to the identification unit (41). The sheet picking component (42) and the correction component (43) are respectively used to receive the electrode sheets conveyed by the two conveying components (1).

3. The battery coating apparatus according to claim 2, characterized in that, One of the two conveying components (1) is used to convey the positive electrode sheet, and the other of the two conveying components (1) is used to convey the negative electrode sheet. The correction component (43) is arranged correspondingly to the conveying component (1) used to convey the positive electrode sheet, and the sheet picking component (42) is arranged correspondingly to the conveying component (1) used to convey the negative electrode sheet.

4. The battery coating apparatus according to claim 2, characterized in that, The correction component (43) includes: The base (431) is movably mounted on the support assembly (7); A first driving member is controlled to be connected to the identification unit (41). The first driving member has a fixed end and a rotating end. The rotating end is rotatably disposed relative to the fixed end. The fixed end is connected to the base (431). A correction platform (432) is mounted on the rotating end.

5. The battery coating apparatus according to claim 2, characterized in that, The conveying member (1) has a conveying surface for conveying the electrode sheet along a second direction. The conveying surface is configured to attract or release the electrode sheet. The correction member (43) and the electrode sheet picking member (42) are respectively movable below the conveying surfaces of the two conveying members (1). The first direction and the second direction are arranged at an angle.

6. The battery coating apparatus according to any one of claims 1 to 5, characterized in that, The battery coating device further includes a first linear module (46) disposed on the support assembly (7), the first linear module (46) having at least one movable end, the movable end being movably disposed relative to the support assembly (7) along a first direction, and at least one of the movable ends being used to switch the correction part (4) between the two conveying members (1).

7. The battery coating apparatus according to claim 6, characterized in that, The first linear module (46) has a mobile end, and the stacked assembly further includes a connecting plate (44), and the correction part (4) is connected to the mobile end through the connecting plate (44).

8. The battery coating apparatus according to claim 6, characterized in that, The battery coating device further includes a second linear module (45), which has a movable body that is movably disposed along a second direction and is connected to the first linear module (46).

9. The battery coating apparatus according to any one of claims 1 to 5, characterized in that, Each of the aforementioned conveying components (1) includes: Support body with cavity; A conveyor belt is rotatably disposed on the outer periphery of the support body. The conveyor belt has a plurality of through holes arranged in an array, and the plurality of through holes communicate with the cavity. The surface of the conveyor belt facing away from the support body forms a conveying surface. A vacuum line, one end of which is connected to the cavity and the other end of which is connected to a vacuum pump.

10. The battery coating apparatus according to any one of claims 1 to 5, characterized in that, The battery coating device further includes a coating assembly (5), which is disposed on the support assembly (7). The coating assembly (5) and the stacking assembly are spaced apart along a second direction. The coating assembly (5) includes a coating member (56). The correction part (4) is movably disposed along the second direction to move closer to or further away from the coating assembly (5). The coating member (56) is used to coat the two electrodes with adhesive.

11. The battery coating apparatus according to claim 10, characterized in that, There are multiple stacked components, which are spaced apart along the first direction, and the adhesive application component (5) is provided between two adjacent stacked components.