Power battery coating reworking device
By combining cell clamps and laser mechanisms, the problem of low efficiency in the rework of power battery packs is solved, enabling rapid removal of the cell surface film without residual adhesive, thus improving battery processing efficiency.
Patent Information
- Application Number
- CN202520084007.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-14
AI Technical Summary
In existing technologies, the rework process of power battery packs is inefficient, requires a lot of manpower, and is prone to leaving adhesive residue on the surface of the cells, affecting subsequent processing.
The system employs a combination of a cell clamp and a laser mechanism. The cell clamp precisely positions the cell, while the laser mechanism removes the film from the cell surface, ensuring that all surfaces of the cell are at the same height. The active material of the film is removed by laser scanning.
It enables rapid removal of the surface film of the battery cell without residual adhesive, improving the efficiency of coating rework and subsequent processing of the battery cell.
Smart Images
Figure CN223848322U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery processing technology, and in particular to a power battery pack rework device. Background Technology
[0002] Power batteries are the core energy source for new energy vehicles. Their production involves multiple processes, and their performance is closely related to the technology and manufacturing equipment. The coating process involves insulating the outer surface of the battery cell. Its importance lies in two aspects: First, coating the aluminum casing of the battery cell serves as insulation. During the charging and discharging process of the battery pack, insulation between individual cells prevents potential differences from forming in the casing, consuming the positive current collector, and affecting battery life. Second, coating the aluminum casing prevents air from adhering to its surface, which could cause micro-short circuits under high-voltage static electricity, affecting battery safety, stability, and battery pack performance. Common problems in the coating process include bubbles, wrinkles, scratches, foreign objects, unevenness, and misalignment of the coating. When these abnormalities occur, the coated cell needs to be reworked, meaning the coating is peeled off and re-coated.
[0003] In actual production, when abnormalities occur in the coating process, the current method for reworking the coating is to manually peel off the film. Because the film adheres tightly to the battery cell, manually peeling it off requires considerable force. Furthermore, when the film is peeled from the battery cell surface, a large amount of residual adhesive often remains, preventing further processing and necessitating manual cleaning with alcohol. These factors result in a low-efficiency coating rework process, requiring significant manpower and time resources. Utility Model Content
[0004] The purpose of this invention is to provide a power battery pack rework device to solve the above-mentioned technical problems.
[0005] The technical solution adopted in this utility model is as follows:
[0006] A power battery pack rework device includes a cell clamp and a laser mechanism disposed on one side of the cell clamp. The cell clamp includes a clamp base plate, a support rod, a clamp body, and positioning blocks. The support rod is disposed at the upper end of the clamp base plate, and the clamp body is disposed at the upper end of the support rod. A plurality of positioning blocks are arranged in an array inside the clamp body, and a first positioning hole is disposed between the plurality of positioning blocks. The first positioning hole penetrates the clamp body. A first positioning groove is formed on the clamp base plate, and the first positioning hole is directly opposite the first positioning groove.
[0007] Preferably, the upper surfaces of the plurality of positioning blocks are in the same plane.
[0008] Preferably, a second positioning hole is provided on the lower side of the first positioning groove, the second positioning hole penetrates the bottom plate of the fixture, and the second positioning hole communicates with the first positioning groove.
[0009] Preferably, the clamp body has first slots at both ends, and the lower inner wall of the first slot is in the same plane as the upper surface of the positioning block.
[0010] Preferably, a second slot is provided on the other side of the clamp body.
[0011] As a further preferred embodiment, the height of the upper surface of the positioning block is higher than the height of the lower inner wall of the second slot.
[0012] As a further preferred embodiment, the plurality of positioning blocks are arranged in a rectangular pattern, and the axis of the first positioning hole, the axis of the first positioning groove, and the axis of the second positioning hole are collinear.
[0013] As a further preferred embodiment, two second positioning grooves are formed on the lower inner wall of the clamp body, and the two second positioning grooves are located on both sides of the first positioning hole and communicate with the first positioning hole.
[0014] As a further preferred embodiment, the height of the lower inner wall of the second positioning groove is lower than the height of the lower inner wall of the second slot.
[0015] Preferably, the laser mechanism includes a mounting frame and a laser scanner. The mounting frame is disposed on one side of the fixture body, and the laser scanner is disposed on the upper end of the mounting frame, with the laser scanner facing the fixture body.
[0016] The above technical solution has the following advantages or beneficial effects:
[0017] In this invention, the battery cell clamp can be used to position the large, narrow, and end faces of the battery cell, ensuring that they are at the same height. Furthermore, by using a laser mechanism, the various faces of the battery cell are scanned to deactivate the film. After laser deactivation, the film on each face of the battery cell can be easily peeled off, leaving no adhesive residue on the surface. The battery cell can then proceed to the next processing step for further processing. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of the power battery pack rework device in this utility model;
[0019] Figure 2 This is a schematic diagram of the battery cell clamp in this utility model;
[0020] Figure 3This is a schematic diagram of the fixture body in this utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the clamp base plate in this utility model;
[0022] Figure 5 This is a schematic diagram of the battery cell end face processing;
[0023] Figure 6 This is a schematic diagram of the large-area processing of the battery cell;
[0024] Figure 7 This is a schematic diagram of the narrow face processing of the battery cell.
[0025] In the diagram: 1. Cell clamp; 101. Clamp base plate; 102. Support rod; 103. Clamp body; 104. Positioning block; 105. First positioning hole; 106. First positioning groove; 107. Second positioning hole; 108. First slot; 109. Second slot; 110. Second positioning groove; 2. Laser mechanism; 201. Mounting bracket; 202. Laser scanner; 3. Cell; 4. Base plate; 5. Cell terminal. Detailed Implementation
[0026] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0029] Figure 1 This is a schematic diagram of the structure of the power battery pack rework device in this utility model; Figure 2 This is a schematic diagram of the battery cell clamp in this utility model; Figure 3 This is a schematic diagram of the fixture body in this utility model; Figure 4 This is a schematic diagram of the structure of the clamp base plate in this utility model; Figure 5 This is a schematic diagram of the battery cell end face processing; Figure 6 This is a schematic diagram of the large-area processing of the battery cell; Figure 7 This is a schematic diagram of the narrow facet machining process for a battery cell. Please refer to [link / reference]. Figures 1 to 7 The image shows a preferred embodiment of a power battery pack rework device, comprising a cell clamp 1 and a laser mechanism 2 disposed on one side of the cell clamp 1. The cell clamp 1 includes a clamp base plate 101, a support rod 102, a clamp body 103, and positioning blocks 104. The support rod 102 is disposed at the upper end of the clamp base plate 101, and the clamp body 103 is disposed at the upper end of the support rod 102. A plurality of positioning blocks 104 are arranged in an array inside the clamp body 103, and a first positioning hole 105 is disposed between the plurality of positioning blocks 104, the first positioning hole 105 penetrating the clamp body 103. A first positioning groove 106 is formed on the clamp base plate 101, and the first positioning hole 105 is directly opposite the first positioning groove 106. In this embodiment, see [reference needed]. Figure 1 As shown, the battery cell clamp 1 can position the battery cell 3 so that the six sides of the battery cell 3 can be at the same height after being individually positioned. The laser mechanism 2 can emit a laser to the surface of the battery cell 3, causing the film on the surface of the battery cell 3 to lose its activity, thereby quickly removing the film on the surface of the battery cell 3 and avoiding the appearance of residual adhesive on the surface of the battery cell 3.
[0030] This embodiment also includes a base plate 4, see [link / reference] Figure 1 As shown, the battery cell clamp 1 and the laser mechanism 2 are both set on the upper end of the floor. Specifically, the clamp base plate 101 is fixed on the upper end of the base plate 4, and the mounting bracket 201 in the laser mechanism 2 is installed on the upper end of the base plate 4. The base plate 4 is set for installing the battery cell clamp 1 and the laser mechanism 2. The base plate 4 can be placed on an external workbench, desktop, or ground, or placed in a designated external location.
[0031] The lower end of the support rod 102 is fixedly connected to the upper end of the fixture base plate 101. The fixture body 103 can be fixedly connected to the upper end of the support rod 102, or it can be detached. For example, a mounting hole is provided at the lower end of the fixture body 103, and the upper end of the support rod 102 is inserted into the mounting hole. The positioning block 104 can support the large surface of the battery cell 3. The first positioning hole 105, the first positioning groove 106, and the second positioning hole 107 cooperate with each other to achieve positioning support for the end face of the battery cell 3.
[0032] Furthermore, as a preferred embodiment, the upper surfaces of the plurality of positioning blocks 104 are in the same plane, which facilitates the support of the large surface of the battery cell 3. This ensures that the large surface of the battery cell 3 is in the same plane, which is convenient for processing. In use, one large surface of the battery cell 3 is placed flat on the upper surface of the plurality of positioning blocks 104, so that the other large surface of the battery cell 3 can face the laser mechanism 2, allowing the laser mechanism 2 to irradiate the large surface of the battery cell 3 with a laser, causing the film on the large surface of the battery cell 3 to lose its activity. See details [link to documentation]. Figure 6 As shown.
[0033] Furthermore, as a preferred embodiment, a second positioning hole 107 is provided on the lower side of the first positioning groove 106. The second positioning hole 107 penetrates the fixture base plate 101 and communicates with the first positioning groove 106. The first positioning groove 106, the first positioning hole 105, and the second positioning hole 107 cooperate with each other to support the end face of the battery cell 3. See details below. Figure 5 As shown, the battery cell 3 has battery cell posts 5 on both end faces. The second positioning hole 107 is used to avoid the battery cell posts 5 on the end face of the battery cell 3. In use, the battery cell posts 5 on the end face of the battery cell 3 will be inserted into the second positioning hole 107, and the end face of the battery cell 3 will abut against the lower inner wall of the first positioning groove 106, which facilitates the positioning and support of the battery cell 3, so that the other end face of the battery cell 3 can face the laser mechanism 2, so that the laser mechanism 2 can irradiate the end face of the battery cell 3 with laser, causing the film on the large surface of the battery cell 3 to lose its activity.
[0034] Furthermore, as a preferred embodiment, the clamp body 103 has first slots 108 at both ends, and the lower inner wall of the first slot 108 is in the same plane as the upper surface of the positioning block 104. In this embodiment, see... Figure 6 As shown, the first slot 108 can serve as a clearance mechanism. When the large surface of the battery cell 3 is being processed, the battery cell terminal 5 on the end face of the battery cell 3 will enter the first slot 108.
[0035] Furthermore, as a preferred embodiment, a second slot 109 is provided on the other side of the clamp body 103. See also Figure 6As shown, the second slot 109 facilitates the positioning of the large surface of the battery cell 3, which can play a role in avoiding obstacles and makes it easier for the staff to place the large surface of the battery cell 3 on the upper surface of the positioning block 104.
[0036] Furthermore, as a preferred embodiment, the height of the upper surface of the positioning block 104 is higher than the height of the lower inner wall of the second slot 109, so that the battery cell 3 can be easily removed after the large surface of the battery cell 3 is placed on the positioning block 104.
[0037] Furthermore, as a preferred embodiment, a plurality of positioning blocks 104 are arranged in a rectangular shape. The axis of the first positioning hole 105, the axis of the first positioning groove 106, and the axis of the second positioning hole 107 are collinear. The first positioning groove 106 and the first positioning hole 105 have the same shape, and the same length and width. The second positioning hole 107 is located in the middle of the first positioning groove 106. The shapes of the first positioning hole 105 and the first positioning groove 106 can be set according to the shape of the end face of the battery cell 3, and the shape of the second positioning hole 107 can be set according to the shape of the battery cell electrode post 5.
[0038] Furthermore, as a preferred embodiment, two second positioning grooves 110 are formed on the lower inner wall of the clamp body 103. The two second positioning grooves 110 are located on both sides of the first positioning hole 105 and communicate with the first positioning hole 105. See also Figure 2 As shown, two second positioning grooves 110 are provided on both sides of the first positioning hole 105. The two second positioning grooves 110 are used to position the narrow surface of the battery cell 3. Their usage can be seen in [reference needed]. Figure 7 As shown, when the narrow facet of the battery cell 3 is placed within the two second positioning grooves 110, the battery cell terminals 5 on the two end faces of the battery cell 3 will be located within the two first slots 108, achieving a clearance effect. One narrow facet of the battery cell 3 can contact the lower inner wall of the second positioning groove 110, thus supporting the narrow facet of the battery cell 3, while the other narrow facet of the battery cell 3 can face the laser mechanism 2. The laser mechanism 2 can remove the activity of the film on the narrow facet of the battery cell 3, preventing residual adhesive from being left on the narrow facet of the battery cell 3.
[0039] Furthermore, as a preferred embodiment, the lower inner wall of the second positioning groove 110 is at a lower height than the lower inner wall of the second groove opening 109. For details, please refer to [reference needed]. Figure 2 As shown.
[0040] Furthermore, as a preferred embodiment, the laser mechanism 2 includes a mounting frame 201 and a laser scanner 202. The mounting frame 201 is disposed on one side of the fixture body 103, and the laser scanner 202 is disposed on the upper end of the mounting frame 201, facing the fixture body 103. The laser scanner 202 is a laser galvanometer used to remove the activity of the surface film of the battery cell 3. The mounting frame 201 is fixed to the base plate 4 and located on one side of the fixture body 103, while the laser scanner 202 is located directly above the fixture body 103, and the light emitted by the laser scanner 202 can directly illuminate the surface of the battery cell 3.
[0041] In other embodiments, the mounting bracket 201 can be a telescopic bracket, the height of which can be adjusted as needed, and the mounting bracket 201 and the base plate 4 are slidably connected by a sliding block and a sliding groove, which facilitates the adjustment of the position of the mounting bracket 201, and thus the position of the laser scanner 202.
[0042] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A power battery package film rework device, characterized in that, The utility model provides a battery cell clamp and laser mechanism, the battery cell clamp includes clamp bottom plate, support rod, clamp body and locating block, the upper end of clamp bottom plate is provided with support rod, the upper end of support rod is provided with clamp body, the inside of clamp body is provided with a plurality of locating block, a plurality of locating block is provided with first positioning hole, first positioning hole penetrates clamp body, first positioning groove is seted up on the clamp bottom plate, first positioning hole and first positioning groove are opposite.
2. The power battery pack film rework device of claim 1, wherein, The upper surfaces of the plurality of locating blocks are in the same plane.
3. The power battery pack film rework apparatus of claim 1, wherein, The first positioning groove is provided with a second positioning hole on the lower side, the second positioning hole penetrates the clamp bottom plate, and the second positioning hole is in communication with the first positioning groove.
4. The power battery pack film rework apparatus of claim 1, wherein, The first slot is provided on both ends of the clamp body, and the lower side inner wall of the first slot is in the same plane as the upper surface of the locating block.
5. The power battery pack film rework apparatus of claim 1, wherein, The second slot is provided on the other side of the clamp body.
6. The power battery pack film rework apparatus of claim 5, wherein, The height of the upper surface of the locating block is higher than the height of the lower side inner wall of the second slot.
7. The power battery pack film rework apparatus of claim 3, wherein, The plurality of locating blocks are distributed in a rectangular shape, and the axis of the first positioning hole, the axis of the first positioning groove, and the axis of the second positioning hole are arranged in a straight line.
8. The power battery pack film rework apparatus of claim 5, wherein, Two second positioning grooves are provided on the lower side inner wall of the clamp body, and the two second positioning grooves are located on both sides of the first positioning hole and in communication with the first positioning hole.
9. The power battery pack film rework apparatus of claim 8, wherein, The height of the lower side inner wall of the second positioning groove is lower than the height of the lower side inner wall of the second slot.
10. The power battery pack film rework apparatus of claim 1, wherein, The laser mechanism includes a mounting bracket and a laser scanner, the mounting bracket is provided on one side of the clamp body, the upper end of the mounting bracket is provided with the laser scanner, and the laser scanner is opposite to the clamp body.