Lithium battery shell polishing treatment device

Abstract

The utility model belongs to the technical field of lithium battery shell processing, and particularly relates to a lithium battery shell polishing treatment device. Comprising a supporting frame, a telescopic rod is arranged on the supporting frame, the telescopic end of the telescopic rod is rotationally connected with a grinding piece, the telescopic end of the telescopic rod is connected with a protective cover, and the protective cover covers the periphery of the grinding piece; during polishing, the bottom end of the protective cover is attached to the lithium battery shell. The protective cover is arranged on the periphery of the grinding piece, the situation that in the grinding process, chippings fly out and hurt a human body is avoided, the protective cover isolates the grinding disc rotating highly from the outside, and hurt caused by carelessly touching the grinding disc is avoided. An output shaft of the driving motor is rotationally connected with the protective cover, the protective cover cannot rotate along with the grinding disc in the grinding process, it is guaranteed that the protective cover is attached to the lithium battery shell through the elastic piece, and the protection effect is improved; moreover, the elastic piece is arranged in the sleeve, the elastic piece is limited through the sleeve, the moving direction of the elastic piece and the protective cover is guaranteed, and deviation is avoided.

Description

Technical Field

[0001] This application belongs to the field of lithium battery casing processing technology, and in particular relates to a lithium battery casing polishing device. Background Technology

[0002] The lithium battery casing is an important component of a lithium battery. Its main functions are to protect the battery's internal structure, prevent external damage, and ensure the battery's safe and stable operation. During the manufacturing process, the outer surface of the lithium battery casing needs to be polished to ensure a smooth surface.

[0003] As disclosed in publication number CN219967498U, a grinding device for lithium battery metal casings includes a bracket and legs mounted on a substrate. A rotating base is rotatably mounted on the bracket, and four sliding grooves are formed in a cross pattern on the bottom side of the rotating base. A sliding arm is slidably mounted on the bottom side of each groove, and the outer end of the sliding arm is connected to an L-shaped clamping plate via a connecting plate. An adjusting seat is mounted on each leg, and a transverse sliding seat is slidably mounted between two adjusting seats. A grinding roller is rotatably mounted on the transverse sliding seat. Two second motors drive two first threaded rods to rotate, which in turn moves the threaded sliding arm. At this time, the clamping plate connected to the connecting plate moves synchronously until it contacts the lithium battery metal casing, thus clamping and limiting lithium battery metal casings of different specifications. This grinding device can clamp and limit lithium battery metal casings of different specifications, but during grinding, debris will fly everywhere, which can easily cause injury to the operator. Summary of the Invention

[0004] To address the aforementioned problems in the prior art, this application provides a lithium battery casing polishing device that can prevent debris from flying out during the polishing process.

[0005] To achieve the above objectives, the technical solution provided in this application is as follows:

[0006] This application provides a lithium battery casing polishing device, including a support frame, a telescopic rod on the support frame, a polishing disc rotatably connected to the telescopic end of the telescopic rod, a protective cover connected to the telescopic end of the telescopic rod, and the protective cover covering the outer periphery of the polishing disc; during polishing, the bottom end of the protective cover is in contact with the lithium battery casing.

[0007] The above technical solution, by setting a protective cover around the grinding disc, avoids the injury to the human body caused by flying debris during the grinding process. In addition, the protective cover isolates the highly rotating grinding disc from the outside world, avoiding the harm caused by accidental contact with the grinding disc.

[0008] Optionally, the telescopic end of the telescopic rod is connected to the protective cover via an elastic element. When the grinding disc is not in contact with the lithium battery casing, the bottom of the protective cover is lower than the grinding disc; when the grinding disc is in contact with the lithium battery casing, the bottom of the protective cover is in contact with the lithium battery casing.

[0009] The above technical solution, by setting up an elastic element, ensures the fit between the protective cover and the lithium battery casing when the grinding disc comes into contact with the lithium battery casing, thereby improving the protective effect.

[0010] Optionally, a sleeve is provided on the top wall of the protective cover, and a connecting rod is slidably connected inside the sleeve. The telescopic end of the telescopic rod is connected to the connecting rod. The elastic element includes a spring disposed inside the sleeve, with one end of the spring connected to the sleeve and the other end connected to the connecting rod.

[0011] The above technical solution uses a sleeve to limit the movement of the elastic element, ensuring the direction of movement of the elastic element and the protective cover and preventing deviation.

[0012] Optionally, the bottom end of the connecting rod is connected to a spring via a sliding plate, the sliding plate is slidably connected to the sleeve, and the sliding plate is in contact with the inner wall of the sleeve.

[0013] The above technical solution uses a sliding plate that fits against the inner wall of the sleeve. The sliding plate slides along the inner wall of the sleeve, further limiting the sliding direction of the connecting rod and preventing it from deviating.

[0014] Optionally, the telescopic rod is slidably connected to the support frame.

[0015] The above technical solution allows the grinding disc to be positioned relative to different locations on the lithium battery casing by sliding the telescopic rod along the support frame, facilitating grinding of the lithium battery casing at different locations.

[0016] Optionally, a drive motor is provided on the telescopic rod, and the output shaft of the drive motor is connected to the grinding disc.

[0017] The above technical solution allows the grinding disc to rotate by driving a motor, thus achieving the grinding operation.

[0018] Optionally, the protective cover has a through hole, through which the output shaft of the drive motor passes and is rotatably connected to the protective cover.

[0019] The above technical solution can achieve the relative static state between the protective cover and the lithium battery casing, and the rotational connection between the grinding disc and the protective cover.

[0020] Optionally, it also includes an operating table, which is fixed relative to the support frame, and the lithium battery casing is fixed relative to the operating table by a limiting member.

[0021] The above technical solution provides a working platform for grinding operations by setting up an operating table and placing a lithium battery casing.

[0022] Optionally, the limiting member includes two positioning clamps that are slidably connected to the operating table, and the two positioning clamps are arranged opposite to each other.

[0023] The above technical solution, by setting two opposing positioning clips, makes it easy to fix the lithium battery casing on the operating table, which is beneficial to the stability of subsequent grinding operations.

[0024] Optionally, the limiting component also includes a telescopic cylinder, one end of which is fixed to the operating table and the other end is connected to the positioning clamp.

[0025] The above technical solution uses a telescopic cylinder to drive the positioning clamp to extend and retract, which can fix the lithium battery casing in different positions on the operating table, making it convenient to polish the lithium battery casing in different positions.

[0026] Compared with the prior art, this application has at least the following beneficial effects:

[0027] This application utilizes a protective cover around the grinding disc to prevent debris from flying out and causing injury during grinding. The cover also isolates the rotating grinding disc from the outside environment, preventing accidental contact and potential harm. The output shaft of the drive motor is rotatably connected to the protective cover, ensuring it does not rotate with the grinding disc during grinding. An elastic element ensures a close fit between the protective cover and the lithium battery casing, enhancing protection. Furthermore, the elastic element is housed within a sleeve, which limits its movement, ensuring the correct direction of movement for both the elastic element and the protective cover and preventing misalignment. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of a lithium battery casing polishing device according to an embodiment of this application;

[0030] Figure 2 This is a partial cross-sectional structural diagram of a lithium battery casing polishing device according to an embodiment of this application;

[0031] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Operating table; 2. Support frame; 21. Crossbeam; 3. Telescopic rod; 4. Grinding disc; 5. Protective cover; 6. Limiting component; 7. Drive motor; 71. Side lug; 8. Sleeve; 9. Connecting rod; 10. Spring; 11. Sliding plate. Detailed Implementation

[0034] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use.

[0035] Example 1

[0036] like Figures 1-3 As shown, a lithium battery casing polishing device includes a support frame 2, a telescopic rod 3 is provided on the support frame 2, a polishing disc 4 is rotatably connected to the telescopic end of the telescopic rod 3, and a protective cover 5 is connected to the telescopic end of the telescopic rod 3. The protective cover 5 covers the outer periphery of the polishing disc 4. During polishing, the bottom end of the protective cover 5 is in contact with the lithium battery casing.

[0037] The telescopic rod 3 extends until the grinding disc 4 contacts the lithium battery casing, and the grinding disc 4 rotates to perform the grinding operation. By covering the outer periphery of the grinding disc 4 with a protective cover 5, the injury caused by flying debris during the grinding process is prevented, and the protective cover 5 isolates the highly rotating grinding disc from the outside environment, avoiding the harm caused by accidental contact with the grinding disc.

[0038] Example 2

[0039] The difference between this embodiment and Embodiment 1 is that it also includes an operating table 1, and the lithium battery casing is fixed to the operating table 1 relative to it via a limiting member 6. In this embodiment, the limiting member 6 includes two positioning clamps that are slidably connected to the operating table 1, and the two positioning clamps are arranged opposite to each other. The limiting member 6 also includes a telescopic cylinder, with each positioning frame corresponding to one telescopic cylinder. One end of the telescopic cylinder is fixed to the operating table 1, and the other end is connected to the positioning clamp. By extending and retracting the telescopic cylinder to drive the two positioning clamps to move, the lithium battery casing can be fixed on the operating table 1, and different positions can be polished.

[0040] The telescopic rod 3 is slidably connected to the crossbeam 21 of the support frame 2. In this embodiment, the telescopic rod 3 is slidably connected to the support frame 2 via an electric slide rail. By sliding the telescopic rod 3, the grinding position of the grinding disc 4 on the battery casing can be adjusted.

[0041] The telescopic end of the telescopic rod 3 is connected to the protective cover 5 via an elastic element. In this embodiment, a drive motor 7 is fixed to the telescopic end (bottom) of the telescopic rod 3, and the output shaft of the drive motor 7 is connected to the grinding disc 4. The output shaft of the drive motor 7 drives the grinding disc 4 to rotate. A through hole is provided on the protective cover 5, through which the output shaft of the drive motor 7 passes and is rotatably connected to the protective cover 5. Under the action of the elastic element, when the grinding disc 4 is not in contact with the lithium battery casing, the bottom of the protective cover 5 is lower than the grinding disc 4; when the grinding disc 4 contacts the lithium battery casing, the elastic element is compressed, and the bottom of the protective cover 5 fits against the lithium battery casing. By setting the elastic element, the fit between the protective cover 5 and the lithium battery casing is better ensured, and the protective effect is improved.

[0042] A sleeve 8 is fixed to the top wall of the protective cover 5. The top of the sleeve 8 is open, and a connecting rod 9 is slidably connected inside the sleeve 8. The telescopic end of the telescopic rod 3 (in this embodiment, the housing of the drive motor 7) is connected to the connecting rod 9. A side lug 71 is provided on the motor housing, and the side lug 71 is connected to the threaded hole on the connecting rod 9 by bolts. In this embodiment, the elastic element includes a spring 10 disposed inside the sleeve 8. One end of the spring 10 is connected to the sleeve 8, and the other end is connected to the connecting rod 9.

[0043] The bottom end of the connecting rod 9 is connected to the spring 10 via a sliding plate 11. The sliding plate 11 is slidably connected to the sleeve 8, and the sliding plate 11 is in contact with the inner wall of the sleeve 8. The elastic element is set inside the sleeve 8, and the sleeve 8 limits the movement of the elastic element and the protective cover 5, ensuring the direction of movement of the elastic element and the protective cover 5 and preventing deviation.

[0044] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0045] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A lithium battery casing polishing device, characterized in that, The device includes a support frame, on which a telescopic rod is mounted. A grinding disc is rotatably connected to the telescopic end of the telescopic rod, and a protective cover is connected to the telescopic end of the telescopic rod. The protective cover covers the outer periphery of the grinding disc. During grinding, the bottom end of the protective cover is in contact with the lithium battery casing.

2. The lithium battery case polishing apparatus of claim 1, wherein, The telescopic end of the telescopic rod is connected to the protective cover through an elastic element. When the grinding disc is not in contact with the lithium battery casing, the bottom of the protective cover is lower than the grinding disc; when the grinding disc is in contact with the lithium battery casing, the bottom of the protective cover is in contact with the lithium battery casing.

3. The lithium battery casing polishing device according to claim 2, characterized in that, A sleeve is provided on the top wall of the protective cover, and a connecting rod is slidably connected inside the sleeve. The telescopic end of the telescopic rod is connected to the connecting rod. The elastic element includes a spring provided inside the sleeve, with one end of the spring connected to the sleeve and the other end connected to the connecting rod.

4. The lithium battery casing polishing device according to claim 3, characterized in that, The bottom end of the connecting rod is connected to the spring via a sliding plate, the sliding plate is slidably connected to the sleeve, and the sliding plate is in contact with the inner wall of the sleeve.

5. The lithium battery casing polishing device according to claim 1, characterized in that, The telescopic rod is slidably connected to the support frame.

6. The lithium battery casing polishing apparatus according to claim 1, characterized in that, The telescopic rod is equipped with a drive motor, and the output shaft of the drive motor is connected to the grinding disc.

7. The lithium battery casing polishing apparatus according to claim 6, characterized in that, The protective cover has a through hole, and the output shaft of the drive motor passes through the through hole and is rotatably connected to the protective cover.

8. The lithium battery casing polishing apparatus according to claim 1, characterized in that, It also includes an operating table, and the lithium battery casing is fixed to the operating table by limiting components.

9. The lithium battery casing polishing apparatus according to claim 8, characterized in that, The limiting component includes two positioning clamps that slide and connect with the operating table, and the two positioning clamps are arranged opposite to each other.

10. The lithium battery casing polishing apparatus according to claim 9, characterized in that, The limiting component also includes a telescopic cylinder, one end of which is fixed to the operating table and the other end is connected to the positioning clamp.

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