换卷装置及电池生产线

Abstract

本申请实施例提供一种换卷装置及电池生产线。换卷装置包括第一放卷机构、第一输送辊、第二放卷机构、第二输送辊和焊接组件。第一放卷机构用于第一基材的放卷。第一输送辊用于沿第一方向输送第一基材。第二放卷机构与第一放卷机构沿第二方向相对设置，第二放卷机构用于第二基材的放卷，第二方向与第一方向垂直。第二输送辊用于沿第一方向输送第二基材，以使第一基材与第二基材沿第二方向相对设置。焊接组件被配置为在第一基材和第二基材输送时，将第一基材的初始段焊接至第二基材的收尾段，形成焊接区域。本申请提供的技术方案能够提高电池装置的生产效率。

Claims

1. A roll changing device, characterized in that, include: The first unwinding mechanism is used for unwinding the first substrate; A first conveying roller is used to convey the first substrate along a first direction; The second unwinding mechanism is disposed opposite to the first unwinding mechanism along a second direction. The second unwinding mechanism is used for unwinding the second substrate, and the second direction is perpendicular to the first direction. The second conveying roller is used to convey the second substrate along the first direction, so that the first substrate and the second substrate are arranged opposite to each other along the second direction; A welding assembly configured to weld an initial segment of the first substrate to a final segment of the second substrate during the conveying of the first substrate and the second substrate, forming a welding area.

2. The roll changer according to claim 1, characterized in that The welding assembly includes a first welding member disposed on the side of the first substrate facing away from the second substrate. The first welding member includes a plurality of spaced-apart first welding heads. The first welding member is configured to form a plurality of spaced-apart first weld marks in the welding area when welding an initial segment of the first substrate to a final segment of the second substrate.

3. The roll changer according to claim 2, characterized in that The first welded component includes a laser welding machine.

4. The roll changer of claim 2, wherein The roll changing device further includes a movable roller, which is disposed on the side of the first substrate away from the second substrate. Along the first direction, the movable roller is located upstream of the first weldment. The movable roller is movably disposed along the second direction and is configured to drive the first substrate closer to the second substrate along the second direction.

5. The roll changer of claim 2, wherein The welding assembly includes a second welding member disposed on the side of the first substrate away from the second substrate. Along the first direction, the second welding member is located downstream of the first welding member. The second welding member includes a plurality of spaced-apart second welding heads. The second welding member is configured to form a plurality of spaced-apart second weld marks in the welding area, and the second weld marks do not overlap with the first weld marks.

6. The roll changer according to claim 5, characterized in that The roll changing device also includes: A first cooling roller is disposed on the side of the first substrate away from the second substrate. Along the first direction, the first cooling roller is located downstream of the first weldment. The first cooling roller is used to cool the welding area. The second cooling roller is disposed on the side of the first substrate away from the second substrate. Along the first direction, the second cooling roller is located downstream of the second weldment and is used to cool the welding area.

7. The roll changer according to claim 5, characterized in that The roll changing device also includes: A first pressure roller is disposed on the side of the second substrate away from the first substrate along the second direction. The first pressure roller is disposed corresponding to the first welded part. The first pressure roller is used to support the second substrate along the second direction. The second pressure roller is disposed on the side of the second substrate away from the first substrate along the second direction. The second pressure roller is disposed corresponding to the second welded part and is used to support the second substrate along the second direction.

8. The change device according to any one of claims 1 to 7, characterized in that The roll-changing device further includes a first cutting member disposed on the side of the first substrate away from the second substrate. Along the first direction, the first cutting member is located downstream of the welding assembly. The first cutting member is configured to cut a first cut portion between the welding area on the first substrate and the initial end of the first substrate.

9. The roll changer according to claim 8, characterized in that The roll changing device further includes a third pressure roller, which is disposed on the side of the second substrate away from the first substrate along the second direction. The third pressure roller is disposed corresponding to the first cutting piece, and the third pressure roller is used to support the second substrate along the second direction.

10. The roll changing device according to claim 8, characterized in that The roll-changing device further includes a winding mechanism located downstream of the first cut piece along the first direction, the winding mechanism being configured to wind up the first cut portion.

11. The roll changing device of claim 8, wherein The roll-changing device further includes a second cutting member disposed on the side of the second substrate away from the first substrate. Along the first direction, the second cutting member is located downstream of the welding assembly. The cutting member is configured to cut a second cut portion between the welding area on the second substrate and the end of the second substrate.

12. The roll changer of claim 8 wherein, The roll changing device further includes a third welding member disposed on the side of the first substrate away from the second substrate. Along the first direction, the third welding member is located downstream of the first cutting member, and the third welding member is configured to weld the first substrate to the second substrate.

13. The roll changer according to claim 12, characterized in that The roll changing device further includes a blower, which is disposed on the side of the first substrate away from the second substrate and is disposed corresponding to the third welded component. The blower is configured to blow the first substrate toward the second substrate along the second direction.

14. The change apparatus of claim 1, wherein, The roll changing device further includes a labeling mechanism located downstream of the welding assembly along the first direction, the labeling mechanism being configured to affix labels to the welding area.

15. A battery production line, characterized by Includes the roll changing device as described in any one of claims 1-14.

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