Battery assembly line

Abstract

The utility model relates to a battery assembly line, which comprises a plurality of stations, a plurality of conveying devices, a plurality of conveying devices, a plurality of conveying devices, a plurality of conveying devices, a plurality of conveying devices and a plurality of conveying devices, the transfer equipment is used for transferring the battery cells among the stations; wherein the position of at least one station can be moved so as to adjust the arrangement sequence of the multiple stations. According to the battery assembly line provided by the utility model, the arrangement sequence of the stations can be flexibly adjusted according to product types, so that the battery assembly line can better adapt to the production requirements of different product models. Compared with a traditional chain type scheme, the battery assembly line disclosed by the utility model is low in transformation cost, short in transformation period and capable of better meeting various production requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field especially relates to a battery assembly assembly line. BACKGROUND

[0002] With the market share of electric vehicles increasing, more and more new factory line bodies are built, and lithium battery manufacturers have higher requirements for the compatibility of different batteries. At present, the battery assembly line body layout adopts a chain scheme layout, which can only produce single type products and cannot be compatible with multiple types. Although some assembly lines can be compatible with another type of product by replacing local components such as clamps, the cost of modifying the assembly line is high, and the modification cycle is long, which will affect the production efficiency of the enterprise. SUMMARY

[0003] The utility model has in view of above-mentioned present situation, the present application provides a battery assembly assembly line, which can improve the problem that the existing assembly line cannot be compatible with multiple product types.

[0004] The utility model provides a battery assembly assembly line, which comprises a plurality of stations, a plurality of stations are arranged in sequence, and different treatments are carried out on the battery cell; a transfer device is used to transfer the battery cell between the stations; wherein the position of at least one station is movable to adjust the arrangement order of the plurality of stations.

[0005] Optionally, the plurality of stations comprises: a battery cell station for processing battery cells and stacking a plurality of battery cells to form a battery module; a module box loading station for loading the battery module into a box; a welding station for welding and detecting the battery module; wherein the position of the welding station and the module box loading station is adjustable.

[0006] Optionally, the battery cell station, the module box loading station and the welding station are arranged in sequence; or the battery cell station, the welding station and the module box loading station are arranged in sequence.

[0007] Optionally, the battery assembly assembly line further comprises: a post-box installation and detection station for installing and detecting the battery module and the box; the battery cell station, the module box loading station, the welding station and the post-box installation and detection station are arranged in sequence; or the battery cell station, the welding station, the module box loading station and the post-box installation and detection station are arranged in sequence.

[0008] Optionally, the battery assembly line further comprises a module detection station for testing the battery module; the cell station, the module detection station, the welding station, the module boxing station and the post-boxing installation detection are arranged in sequence; or the cell station, the module boxing station, the welding station, the module detection station and the post-boxing installation detection are arranged in sequence.

[0009] Optionally, the battery assembly line further comprises a plurality of single-machine devices, and the plurality of single-machine devices are respectively installed at the plurality of stations; each single-machine device comprises a connection side arranged away from the station, and the connection side is provided with a connection line for external power supply.

[0010] Optionally, the battery assembly line comprises: a first assembly line comprising the cell station, the module boxing station, the welding station and the post-boxing detection station arranged in a first direction; and a second assembly line comprising the cell station, the welding station, the module boxing station and the post-boxing detection station arranged in the first direction.

[0011] Optionally, the first assembly line and the second assembly line are arranged side by side; the transfer device can transfer the cells processed by part of the stations in the first assembly line to the stations in the second assembly line; and / or the transfer device can transfer the cells processed by part of the stations in the second assembly line to the stations in the first assembly line.

[0012] The battery assembly line comprises a plurality of first assembly lines arranged side by side, and the transfer device can transfer the cells processed by part of the stations in a first assembly line to the stations in another first assembly line; and / or the battery assembly line comprises a plurality of second assembly lines arranged side by side, and the transfer device can transfer the cells processed by part of the stations in a second assembly line to the stations in another second assembly line.

[0013] Optionally, the two adjacent stations of the first assembly line are arranged at intervals, and / or the two adjacent stations of the second assembly line are arranged at intervals, and the transfer device comprises a carrying robot or a mechanical arm.

[0014] The utility model relates to a battery assembly assembly line includes a plurality of stations and transfer equipment, a plurality of the station sequentially arranges, and carries out different processing to the electric core, transfer equipment is used for transferring the electric core between each the station, wherein, the position of at least one the station is movable to adjust the arrangement order of a plurality of the station. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0016] In order to more completely understand the present application and its beneficial effects, the following will be described in conjunction with the drawings, wherein the same reference numerals in the following description represent the same parts.

[0017] Figure 1 It is a flow chart showing the battery assembly assembly line related to the present application.

[0018] Figure 2 It is a flow chart showing another embodiment of the battery assembly assembly line related to the present application.

[0019] Figure 3 It is a flow chart showing another embodiment of the battery assembly assembly line related to the present application.

[0020] Figure 4 It is a flow chart showing another embodiment of the battery assembly assembly line related to the present application.

[0021] Figure 5 It is a structural schematic view showing the electric core station related to the present application.

[0022] Figure 6 It is a structural schematic view showing the module into box station related to the present application.

[0023] Figure 7 It is a structural schematic view showing the welding station related to the present application.

[0024] Figure 8 It is a structural schematic view showing the module detection station related to the present application.

[0025] Figure 9 is a structural schematic view showing a post-boxing installation detection station involved in the present application.

[0026] Reference signs: 1, cell station; 2, module boxing station; 3, welding station; 4, post-boxing installation detection station; 5, module detection station; 6, transfer equipment; 7, single machine equipment. DETAILED DESCRIPTION

[0027] Hereinafter, the preferred embodiments of the present application will be described in detail with reference to the accompanying drawings. In the following description, the same parts are given the same reference numerals, and overlapping description is omitted. In addition, the drawings are merely schematic views, and the ratio of the dimensions between the parts or the shape of the parts and the like can be different from the actual ones. It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition and the like between the parts in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0028] It should also be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or a middle element can be present at the same time. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or a middle element can be present at the same time.

[0029] The present application provides a battery assembly line, which comprises a plurality of stations and transfer equipment 6. The plurality of stations are arranged in sequence and perform different processing on the cells; the transfer equipment 6 is used to transfer the cells between the stations; wherein the position of at least one station is movable to adjust the arrangement order of the plurality of stations. Thus, the battery assembly line can flexibly adjust the arrangement order of the stations according to the product type, so as to better adapt to the production requirements of different product models. Compared with the traditional chain scheme, the battery assembly line involved in the present application has low modification cost and short modification period, and can better adapt to various production requirements.

[0030] Reference Figure 1 and Figure 2In some embodiments, the plurality of stations comprises: a cell station 1 for processing the cells and stacking a plurality of cells to form a battery module; a module boxing station 2 for placing the battery module into a box; a welding station 3 for welding and detecting the battery module; wherein the positions of the welding station 3 and the module boxing station 2 are adjustable. Specifically, in the existing battery products, there are two production modes of CTP and MTP, wherein the CTP production mode is that the battery module is first placed into a box and then welded, and the MTP mode is that the battery module is first welded and then placed into a box. Therefore, the positions of the welding station 3 and the module boxing station 2 are adjustable, which can flexibly adapt to the two production modes of CTP and MTP.

[0031] Referring to Figure 1 In some embodiments, the cell station 1, the module boxing station 2 and the welding station 3 are arranged in sequence. Thus, in this embodiment, the battery assembly line can adapt to the production mode of CTP.

[0032] Referring to Figure 2 In some other embodiments, the cell station 1, the welding station 3 and the module boxing station 2 are arranged in sequence. Thus, in this embodiment, the battery assembly line can adapt to the production mode of MTP.

[0033] Referring to Figure 1 In some embodiments, the battery assembly line further comprises a post-boxing installation and detection station 4 for installing and detecting the battery module and the box; the cell station 1, the module boxing station 2, the welding station 3 and the post-boxing installation and detection station 4 are arranged in sequence. Specifically, the battery assembly line in this embodiment is suitable for the CTP production mode. Through the post-boxing installation and detection station, the battery module and the box after boxing can pass through the installation and detection process, finally forming a battery pack, thereby completing the assembly.

[0034] Referring to Figure 2 In some embodiments, the cell station 1, the welding station 3, the module boxing station 2 and the post-boxing installation and detection station 4 are arranged in sequence. Thus, the battery assembly line in this embodiment can adapt to the MTP production mode. Through the post-boxing installation and detection station, the battery module and the box after boxing can pass through the installation and detection process, finally forming a battery pack, thereby completing the assembly.

[0035] Referring to Figure 3 In some embodiments, the battery assembly line further comprises a module detection station 5 for testing the battery module; the cell station 1, the welding station 3, the module detection station 5, the module boxing station 2 and the post-boxing installation and detection station are arranged in sequence. In this embodiment, for the MTP production mode, the module detection station 5 can be added, which can test the battery module to ensure the performance stability and safety of the battery module.

[0036] In other embodiments, the cell work station 1, the module boxing work station 2, the welding work station 3, the module detection work station 5 and the post-boxing installation detection are arranged in sequence. Thus, in the CTP production mode, the module detection work station 5 can also be added, thereby ensuring the performance stability and safety of the battery module.

[0037] In some examples, the battery assembly line can also include the cell work station 1, the welding work station 3 and the module test work station arranged in sequence. Thus, in the MTP mode, the battery module can be shipped separately after welding and detection, without being installed into a battery pack. In this way, the needs of some customers such as automobile manufacturers can be met, as such customers only need the battery module product.

[0038] Specifically, referring to Figures 5 to 9 In the cell work station 1, the module boxing work station 2, the welding work station 3, the module detection work station 5 and the post-boxing installation detection, each can include multiple sub-stations.

[0039] In the cell work station 1, the multiple sub-stations along the process flow can include the following procedures: cell loading, cell performance testing, end plate loading and pasting, cell silica gel pad and pasting detection, cell stacking and steel band installation. The cell can be carried to the workbench by a mechanical arm or a carrying robot, and the qualified and unqualified cells can be tested and sorted by the cell performance testing equipment. Then, the end plate is pasted to one side of the cell by the end plate loading and pasting equipment, the silica gel pad is pasted to the cell by the cell silica gel pad pasting equipment, and the pasting detection equipment detects whether the pasting of the end plate and / or the silica gel pad is qualified. After the preliminary processing of the cell is completed, the cell work station 1 is also provided with a stacking device, which stacks multiple cells, and then installs a steel band on the multiple cells to form a battery module.

[0040] In the module boxing work station 2, the multiple sub-stations along the process flow can include the following procedures: box pre-processing, box glue coating, module boxing, and module fixing. The box pre-processing is used to install the crossbeam at the bottom of the box, and then the box is partially coated with sealant. After the partial assembly of the box is completed, the battery module is placed into the box by the module boxing equipment, and then the battery module is fixed inside the box.

[0041] In the welding work station 3, the multiple sub-stations along the process flow can include the following procedures: pole addressing, CCS installation, BSB welding work station 3 and post-welding detection. The pole addressing equipment can determine the position of the pole of each cell, the CCS installation work station is used to install the CCS assembly to the battery module, the BSB welding work station 3 welds the pole of the cell to the aluminum row, and the post-welding detection work station checks whether the pole welding is qualified.

[0042] In the module detection station 5, multiple sub-stations along the process flow direction can include the following processes: EOL test, module full-size detection, and battery module weighing. The EOL test can test the capacity, internal resistance, and insulation performance of the battery module, and the module full-size detection can be used to measure the size of the battery module, and then the module is weighed and recorded.

[0043] In the post-box installation detection station 4, multiple sub-stations along the process flow direction can include the following processes: high-voltage connection, low-voltage connection, liquid cooling plate processing, CCS glue coating, glue coating detection, box cover tightening, air tightness detection, box cover re-tightening, EOL detection, battery pack full-size detection, battery pack weighing and stacking, charge and discharge test, and packaging and delivery. In the high-voltage connection process, the battery module is connected with the high-voltage copper bar, and in the low-voltage connection process, the battery module is connected with the low-voltage wire harness, and then the box is connected with the liquid cooling plate. In the CCS glue coating process, the CCS assembly is coated with glue and adhered to the insulating sheet in the box, and the glue coating detection process is used to detect whether the glue coating is qualified. The box cover tightening process is used to tighten the bolts connecting the box cover and the box, and the air tightness detection process is used to detect the air tightness of the liquid cooling plate and the box. The box cover re-tightening process is used to tighten the box cover again. The EOL detection process tests the capacity, internal resistance, and insulation performance of the battery pack, the battery pack full-size detection process measures the size of the battery pack, and the battery pack weighing and stacking process weighs and records the battery pack and arranges and stacks multiple battery packs. Finally, the charge and discharge performance of the battery pack is tested, and the battery pack that passes the test is packaged and delivered.

[0044] Referring to Figures 5 to 9 In some embodiments, the battery assembly line further includes multiple single-machine devices 7, and each single-machine device 7 is installed at a corresponding station. Each single-machine device 7 includes a connection side facing away from the corresponding station, and the connection side is provided with a connection line for external power supply. In this way, the single-machine device 7 can be easily plugged and unplugged, and the connection line can be prevented from being entangled with the station. When the stations need to be replaced or added or reduced, the single-machine device 7 can be easily and quickly moved by the staff, without the need to spend time disassembling complex lines, thereby significantly improving the flexibility and adaptability of the battery assembly line.

[0045] In some embodiments, the battery assembly line can include a first assembly line and a second assembly line. The first assembly line includes the cell station 1, the module box-in station 2, the welding station 3, and the post-box installation detection station arranged in the first direction. In this way, the first assembly line can be adapted to the CTP production mode. The second assembly line includes the cell station 1, the welding station 3, the module box-in station 2, and the post-box installation detection station arranged in the first direction. In this way, the second assembly line can be adapted to the MTP production mode. In this embodiment, the battery assembly line can be compatible with the CTP production mode and the MTP production mode.

[0046] In some embodiments, the first assembly line and the second assembly line can be arranged side by side; the transfer device 6 can transfer the battery cell processed by part of the stations in the first assembly line to the stations in the second assembly line; and / or the transfer device 6 can transfer the battery cell processed by part of the stations in the second assembly line to the stations in the first assembly line. In this way, the stations of the first assembly line and the stations of the second assembly line can be used in combination. For example, Figure 4 For example, when the battery cell station 1 in the first assembly line cannot be used, the battery cell station 1 in the second assembly line can be used. Specifically, the handling robot carries the battery cell to the second battery cell station 1 of the second assembly line, and after the plurality of battery cells are processed, the handling robot carries the plurality of battery cells back to the module boxing station 2 of the first assembly line, and then continues to complete the remaining procedures on the first assembly line.

[0047] In some embodiments, the battery assembly line includes a plurality of first assembly lines arranged side by side, and the transfer device 6 can transfer the battery cell processed by part of the stations in a first assembly line to the stations in another first assembly line. In this way, when a certain station on a certain first assembly line cannot be used, the corresponding station on the adjacent first assembly line can be carried by the handling robot, thereby improving the flexibility of the battery assembly line to deal with unexpected situations and ensuring production continuity. In other embodiments, the battery assembly line includes a plurality of second assembly lines arranged side by side, and the transfer device 6 can transfer the battery cell processed by part of the stations in a second assembly line to the stations in another second assembly line.

[0048] In some embodiments, the two adjacent stations of the first assembly line are arranged with a spacing, and / or the two adjacent stations of the second assembly line are arranged with a spacing, and the transfer device 6 includes a handling robot or a mechanical arm. Specifically, the handling robot can be an AGV or an RGV. In other examples, the transfer device 6 can also be a chain line, a speed chain, a roller line, etc.

[0049] In summary, the battery assembly line provided by the present application can flexibly adjust the arrangement order of the stations according to the product type, thereby better adapting to the production needs of different product models. Compared with the traditional chain solution, the battery assembly line related by the present application has low modification cost and short modification cycle, and can better adapt to various production needs.

[0050] In the description of the present application, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0051] In the above embodiments, the description of each embodiment is focused on, and the part not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0052] The embodiments, implementation manners and related technical features of the present application can be combined or replaced without conflict.

[0053] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application without departing from the technical solution content of the present application still falls within the scope of the technical solution of the present application.

[0054] Although the present application has been specifically described above in combination with the drawings and embodiments, it can be understood that the above description does not limit the present application in any form. Those skilled in the art can deform and change the present application according to the needs without deviating from the essential spirit and scope of the present application, and these deformations and changes all fall within the scope of the present application.

Claims

1. A battery assembly line, characterized by, The battery assembly line comprises: a plurality of stations, the plurality of stations are arranged in sequence and perform different processes on the battery cell; a transfer device for transferring the battery cell between the stations; wherein the position of at least one of the stations is movable to adjust the arrangement sequence of the plurality of stations.

2. The battery assembly line of claim 1, wherein, The plurality of stations comprises: a battery cell station for processing the battery cell and stacking a plurality of battery cells to form a battery module; a module boxing station for placing the battery module into a box; a welding station for welding and detecting the battery module; wherein the position of the welding station and the module boxing station is adjustable.

3. The battery assembly line of claim 2, wherein, The battery cell station, the module boxing station, and the welding station are arranged in sequence; or The battery cell station, the welding station, and the module boxing station are arranged in sequence.

4. The battery assembly line of claim 2, wherein, The battery assembly line further comprises: a post-boxing installation and detection station for installing and detecting the battery module and the box; The battery cell station, the module boxing station, the welding station, and the post-boxing installation and detection station are arranged in sequence; or The battery cell station, the welding station, the module boxing station, and the post-boxing installation and detection station are arranged in sequence.

5. The battery assembly line of claim 4, wherein, The battery assembly line further comprises a module detection station for testing the battery module; The battery cell station, the welding station, the module detection station, the module boxing station, and the post-boxing installation and detection station are arranged in sequence; or The battery cell station, the module boxing station, the welding station, the module detection station, and the post-boxing installation and detection station are arranged in sequence.

6. The battery assembly line of any one of claims 1-5, wherein, The battery assembly line further comprises a plurality of single-machine devices, and each single-machine device is installed at a station; Each single-machine device comprises a connection side facing away from the station, and the connection side is provided with a connection line for external power supply.

7. The battery assembly line of any one of claims 2-5, wherein, The battery assembly line comprises: a first assembly line comprising the battery cell station, the module boxing station, the welding station, and the post-boxing detection station arranged in a first direction; a second assembly line comprising the battery cell station, the welding station, the module boxing station, and the post-boxing detection station arranged in the first direction.

8. The battery assembly line of claim 7, wherein, The first assembly line and the second assembly line are arranged side by side; The transfer device can transfer the battery cell processed by part of the stations in the first assembly line to the stations in the second assembly line; and / or The transfer device can transfer the battery cell processed by part of the stations in the second assembly line to the stations in the first assembly line.

9. The battery assembly line of claim 7, wherein, The battery assembly line comprises a plurality of first assembly lines arranged side by side, and the transfer device can transfer the battery cell processed by part of the stations in the first assembly line to the stations in another first assembly line; and / or The battery assembly line comprises a plurality of second assembly lines arranged side by side, and the transfer device can transfer the battery cell processed by part of the stations in the second assembly line to the stations in another second assembly line.

10. The battery assembly line of claim 7, wherein, Adjacent two stations of the first assembly line are spaced apart, and / or adjacent two stations of the second assembly line are spaced apart; The transfer device comprises a carrying robot or a mechanical arm.

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