Lithium battery lamination alignment degree detection device

Abstract

The utility model relates to the technical field of lithium batteries, and discloses a lithium battery lamination alignment degree detection device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a workbench, the bottom of the workbench is fixedly connected with a driving assembly used for driving, the output end of the driving assembly is fixedly connected with a pushing block, and the pushing block is fixedly connected with the workbench. A plurality of rotating blocks are rotatably connected to the top of the pushing block, extrusion blocks are fixedly connected to the tops of the rotating blocks, a sliding rail is fixedly connected to the top of the bottom plate, a detection assembly used for detecting the alignment degree is slidably connected to the top of the sliding rail, and a second air cylinder is fixedly connected to the bottom of the detection assembly. According to the utility model, after the plurality of rotating blocks on the plurality of pushing blocks drive the plurality of extrusion blocks to align the workpieces, the detection frame slides to the upper part for detection, so that only one laminated sheet can be clamped at a time, and the plurality of laminated sheets are prevented from deviating or overlapping in the clamping and placing processes, thereby improving the alignment accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a device for detecting the alignment degree of stacked lithium battery sheets. Background Art

[0002] A device for detecting the alignment degree of stacked lithium battery sheets is a device used to detect the alignment accuracy of stacked lithium battery sheets during the assembly process. This device plays a key role in the production process of lithium batteries. By ensuring that the stacked sheets are accurately aligned during the stacking and pressing processes, the performance and quality of the battery can be improved;

[0003] In the prior art, some devices have integrated the alignment function but are not separately set as an independent detection device. Without a dedicated alignment degree detection device, it may be difficult for quality control personnel to promptly discover problems in the alignment of stacked sheets, making it difficult to implement effective quality control measures. Therefore, a device for detecting the alignment degree of stacked lithium battery sheets is proposed to solve the above problems. Summary of the Utility Model

[0004] A device for detecting the alignment degree of stacked lithium battery sheets proposed by the utility model aims to improve the problem that some devices in the prior art cannot effectively perform alignment and alignment degree detection after alignment.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A device for detecting the alignment degree of stacked lithium battery sheets includes a bottom plate. A workbench is fixedly connected to the top of the bottom plate. A driving component for driving is fixedly connected to the bottom of the workbench. The output end of the driving component is fixedly connected to a pushing block. A plurality of rotating blocks are rotatably connected to the top of the pushing block. An extrusion block is fixedly connected to the top of the rotating block. A slide rail is fixedly connected to the top of the bottom plate. A detection component for detecting the alignment degree is slidably connected to the top of the slide rail. A second cylinder is fixedly connected to the bottom of the detection component. A connecting column is fixedly connected to the bottom of the second cylinder.

[0007] As a further description of the above technical solution:

[0008] A detection frame is fixedly connected to the outside of the connecting column. A limiting column is rotatably connected to the inside of the connecting column. A spring is fixedly connected to the outside of the limiting column. A rotating switch is fixedly connected to the outside of the limiting column.

[0009] As a further description of the above technical solution:

[0010] The driving component includes a first cylinder, and the bottom of the first cylinder is fixedly connected to the top of the pushing block.

[0011] As a further description of the above technical solution:

[0012] The detection component includes a detection frame, and the bottom of the detection frame is fixedly connected to the top of the second cylinder.

[0013] As a further description of the above technical solution:

[0014] The top of the workbench is slidably connected to the bottom of the extrusion block, and the inside of the detection frame is rotatably connected to the outside of the limiting column.

[0015] As a further description of the above technical solution:

[0016] A moving component for left - right transverse movement is fixedly connected to the top of the bottom plate. A slider is slidably connected to the outside of the moving component. A connecting block is fixedly connected to the bottom of the slider. A third cylinder is fixedly connected to the front side of the connecting block. A rotating plate is rotatably connected to the right side of the third cylinder. A first fixture is rotatably connected to the front side of the rotating plate. A second fixture is rotatably connected to the front side of the connecting block.

[0017] As a further description of the above technical solution:

[0018] A loading table is fixedly connected to the top of the bottom plate, and the first fixture and the second fixture are meshed with each other.

[0019] As a further description of the above technical solution:

[0020] The moving component includes a pneumatic guide rail, and the outside of the pneumatic guide rail is slidably connected to the inside of the slider.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the cylinder drives multiple pushing blocks, and multiple rotating blocks on the multiple pushing blocks drive multiple extrusion blocks to align the workpiece. Then the detection frame slides to the upper part for detection. Alignment can ensure that each laminated sheet of the battery is precisely overlapped together, which helps to improve the performance of the battery. Through the detection after alignment, potential problems in the production process can be found and corrected as early as possible. This helps to keep the quality and performance of the battery within the expected range.

[0023] 2. In the utility model, the slider slides on the pneumatic guide rail, and the cylinder connected to the slider drives the first fixture and the second fixture to perform the loading operation. It can realize clamping only one laminated sheet at a time, avoiding the offset or overlap of multiple laminated sheets during the clamping and placement processes, thereby improving the alignment accuracy, reducing the waste products caused by the misalignment or damage of the laminated sheets, and thus improving the production yield. Description of the Drawings

[0024] Figure 1 It is a three - dimensional schematic diagram of a lithium - battery laminated sheet alignment degree detection device proposed by the utility model;

[0025] Figure 2 The structural schematic diagram of the loading platform of a lithium battery stack alignment detection device proposed by the present utility model;

[0026] Figure 3 The structural schematic diagram of the bottom plate of a lithium battery stack alignment detection device proposed by the present utility model;

[0027] Figure 4 is Figure 3 The enlarged view of part A in

[0028] Figure 5 is Figure 3 The enlarged view of part B in

[0029] Legend description:

[0030] 1. Bottom plate; 2. Workbench; 3. Cylinder 1; 4. Pushing block; 5. Rotating block; 6. Extrusion block; 7. Slide rail; 8. Detection frame; 9. Cylinder 2; 10. Connecting column; 11. Detection frame; 12. Limiting column; 13. Spring; 14. Rotating switch; 15. Pneumatic guide rail; 16. Slide block; 17. Connecting block; 18. Cylinder 3; 19. Rotating plate; 20. Fixture 1; 21. Fixture 2; 22. Loading platform. Specific implementation manners

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Referring to Figures 2 to 3 , an embodiment provided by the present utility model: A lithium battery stack alignment detection device includes a bottom plate 1. The bottom plate 1 serves as the basic platform of the device, carrying other components and providing stable support. A plurality of other components are fixedly connected to it to ensure the overall structure of the device is stable. The top of the bottom plate 1 is fixedly connected with a workbench 2, and the bottom of the workbench 2 is fixedly connected with a driving component for driving. The output end of the driving component is fixedly connected with a pushing block 4, including a cylinder 1, which is fixed on the top of the pushing block 4. The driving component is responsible for the pushing of the pushing block 4, thereby driving the components connected to the pushing block 4.

[0033] A plurality of rotating blocks 5 are rotatably connected to the top of the pushing block 4, and an extrusion block 6 is fixedly connected to the top of the rotating block 5. It is fixed to the top of the rotating block 5, and the rotation of the rotating block 5 is used to extrude the stacked lithium batteries, so as to ensure that their alignment state meets the requirements. A slide rail 7 is fixedly connected to the top of the bottom plate 1, and a detection component for detecting the alignment degree is slidably connected to the top of the slide rail 7, including a detection frame 8 and a second cylinder 9, which is used to accurately measure the alignment degree of the stacked lithium batteries. The bottom of the detection frame 8 is fixed to the top of the second cylinder 9, and the second cylinder 9 controls the descent of the detection component. The bottom of the detection component is fixedly connected to the second cylinder 9, and a connecting column 10 is fixedly connected to the bottom of the second cylinder 9.

[0034] Refer to Figure 1 、 Figure 5 On the top of the bottom plate 1, a moving component for left - right transverse movement is fixedly connected. The outside of the moving component is slidably connected with a slider 16, and a connecting block 17 is fixedly connected to the bottom of the slider 16, including a pneumatic guide rail 15 and the slider 16. The connecting block 17 is fixedly connected to the bottom of the slider 16. The moving component allows the detection component to move left and right on the workbench 2 for loading operations. A third cylinder 18 is fixedly connected to the front side of the connecting block 17, and a rotating plate 19 is rotatably connected to the right side of the third cylinder 18.

[0035] It is fixed to the front side of the connecting block 17 and is used to drive the movement of the rotating plate 19 to control the opening and closing action of the fixture. The front side of the rotating plate 19 is rotatably connected to a first fixture 20. The rotating plate 19 is rotatably connected to the third cylinder 18 and is connected to the first fixture 20 at the front side to provide operation for the fixture. A second fixture 21 is rotatably connected to the front side of the connecting block 17. A loading table 22 is fixedly connected to the top of the bottom plate 1, which is fixed to the top of the bottom plate 1 and is used to place the stacked lithium batteries to be detected, facilitating automatic feeding. The first fixture 20 and the second fixture 21 are meshed with each other.

[0036] Refer to Figure 1 、 Figure 4 An inspection frame 11 is fixedly connected to the outside of the connecting column 10. A limiting column 12 is rotatably connected to the inside of the connecting column 10, which is rotatably connected to the inside of the connecting column 10, and a spring 13 and a rotating switch 14 are fixed to the outside. The function of the limiting column 12 is to connect the inspection frame 11 and the inspection frame 8. A spring 13 is fixedly connected to the outside of the limiting column 12, and a rotating switch 14 is fixedly connected to the outside of the limiting column 12. The bottom of the connecting column 10 is connected to the second cylinder 9, and the inspection frame 11 is fixed to the top. The connecting column 10 is also connected to the limiting column 12 and the rotating switch 14, playing a supporting role. The driving component includes a first cylinder 3. The bottom of the first cylinder 3 is fixedly connected to the top of the pushing block 4. The pushing block 4 is connected to the output end of the driving component, and the pushing block 4 is responsible for transmitting the movement to a plurality of rotating blocks 5 to achieve further mechanical operations.

[0037] The detection component includes a detection frame 8, the bottom of the detection frame 8 is fixedly connected to the top of the second cylinder 9, and the second cylinder 9 is fixed to the bottom of the detection component. By controlling the action of the second cylinder 9, the position where the detection frame 11 needs to descend is adjusted, so as to perform accurate alignment measurement. The top of the workbench 2 is slidably connected to the bottom of the extrusion block 6 and is fixed to the top of the bottom plate 1. The workbench 2 is used to place the lithium battery stack to be detected and provides an operation surface for detection and processing. The inside of the detection frame 11 is rotatably connected to the outside of the limit post 12. The moving component includes a pneumatic guide rail 15, and the outside of the pneumatic guide rail 15 is slidably connected to the inside of the slider 16.

[0038] Working principle: A cylinder is connected to the bottom of the workbench 2. The first cylinder 3 drives the lower pushing block 4 below. A plurality of rotating blocks 5 are connected to the pushing block 4. The rotating blocks 5 drive a plurality of upper extrusion blocks 6 to slide on the workbench 2 to align the workpiece. After alignment, the detection frame 8 slides on the slide rail 7 to above the workbench 2, and then the second cylinder 9 connected to the detection frame 8 drives the detection frame 11 to descend to detect the alignment degree of the aligned workpiece. Effective alignment can ensure that the individual laminations of the battery are precisely overlapped together. Consistent lamination alignment can reduce the battery performance differences caused by uneven laminations, thereby improving the overall consistency and stability of the battery pack. The detection frame 8 and the detection frame 11 are structures convenient for installation and disassembly, which is convenient for replacing the detection frame 11 of different sizes. By detecting the alignment degree after aligning the workpiece, if potential problems in the production process are found, the processing can be stopped in time, reducing the loss of the workpiece, and helping to keep the quality and performance of the battery within the expected range.

[0039] The slider 16 slides on the pneumatic guide rail 15. A connecting block 17 connected above the slider 16 is connected to a third cylinder 18 to drive the rotating plate 19 to rotate, driving the first fixture 20 to rotate. The gears on the first fixture 20 and the second fixture 21 are engaged to rotate for feeding operation. The first fixture 20 and the second fixture 21 are provided with grooves with set sizes, which can realize single-piece clamping, can more accurately position each lamination, ensure that each lamination is placed at the set spacing and position, and reduce the alignment error.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lithium battery stack alignment detection device, comprising a bottom plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a workbench (2), the bottom of the workbench (2) is fixedly connected to a driving assembly for driving, the output end of the driving assembly is fixedly connected to a pushing block (4), the top of the pushing block (4) is rotatably connected to a plurality of rotating blocks (5), the top of the rotating block (5) is fixedly connected to an extrusion block (6), the top of the base plate (1) is fixedly connected to a slide rail (7), the top of the slide rail (7) is slidably connected to a detection assembly for detecting alignment, the bottom of the detection assembly is fixedly connected to a cylinder 2 (9), and the bottom of the cylinder 2 (9) is fixedly connected to a connecting column (10).

2. A lithium battery stack alignment detection device according to claim 1, characterized in that: The outside of the connecting column (10) is fixedly connected to a detection frame (11), the inside of the connecting column (10) is rotatably connected to a limit column (12), the outside of the limit column (12) is fixedly connected to a spring (13), and the outside of the limit column (12) is fixedly connected to a rotary switch (14).

3. A lithium battery stack alignment detection device according to claim 1, characterized in that: The driving assembly comprises a cylinder one (3), the bottom of which is fixedly connected to the top of the pushing block (4).

4. A lithium battery stack alignment detection device according to claim 1, characterized in that: The detection assembly comprises a detection frame (8), the bottom of which is fixedly connected to the top of the second cylinder (9).

5. A lithium battery stack alignment detection device according to claim 2, characterized in that: The top of the workbench (2) is slidably connected to the bottom of the extrusion block (6), and the inside of the detection frame (11) is rotatably connected to the outside of the limiting column (12).

6. A lithium battery stack alignment detection device according to claim 1, characterized in that: The top of the base plate (1) is fixedly connected with a moving component for horizontal movement, the outside of the moving component is slidably connected with a slider (16), the bottom of the slider (16) is fixedly connected with a connecting block (17), the front side of the connecting block (17) is fixedly connected with a cylinder three (18), the right side of the cylinder three (18) is rotatably connected with a rotating plate (19), the front side of the rotating plate (19) is rotatably connected with a clamp one (20), and the front side of the connecting block (17) is rotatably connected with a clamp two (21).

7. A lithium battery stack alignment detection device according to claim 6, characterized in that: A loading platform (22) is fixedly connected to the top of the base plate (1), and the first clamp (20) and the second clamp (21) are meshedly connected to each other.

8. A lithium battery stack alignment detection device according to claim 6, characterized in that: The moving assembly comprises a pneumatic guide rail (15), the outer portion of which is slidably connected to the inner portion of the slide block (16).

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