Positioning assembly and pole piece cleaning device

Abstract

The application provides a positioning assembly and a pole piece cleaning device, the positioning assembly is used for pole piece cleaning, and the positioning assembly comprises: a first clamp and a second clamp, at least one of the first clamp and the second clamp has a through channel, the first clamp has a first surface, the second clamp has a second surface, and the first surface and the second surface are switched between a combined state and a separated state; wherein when the first surface and the second surface are in the combined state, at least a part of the pole piece is located between the first surface and the second surface, and a part of the pole piece is exposed through the channel; when the first surface and the second surface are in the separated state, the pole piece can be taken out or placed. According to the positioning assembly of the application, through cooperation of the first clamp and the second clamp, not only can the position of the pole piece be limited in the cleaning process of the pole piece, but also the local surface of the pole piece can be cleaned through the channel.

Description

Technical Field

[0001] This invention belongs to the field of battery technology, specifically, it relates to a positioning component and an electrode cleaning device. Background Technology

[0002] Currently, laser cleaning is generally used to remove the coating from specific areas of the electrode to expose the current collector. However, this laser cleaning method generates a significant amount of dust, making dust removal difficult and failing to meet product requirements. Water washing, on the other hand, can easily cause water to get into other areas of the electrode, leading to the coating peeling off from uncleaned areas. Summary of the Invention

[0003] One objective of this invention is to provide a new technical solution for a positioning component that can solve the technical problem in the prior art where water washing can easily cause other areas of the electrode to become wet, resulting in the coating of non-clean areas falling off.

[0004] Another object of the present invention is to provide a new technical solution for an electrode cleaning device, which includes the above-mentioned positioning component.

[0005] According to a first aspect of the present invention, a positioning assembly is provided for electrode cleaning. The positioning assembly includes a first clamp and a second clamp, at least one of the first clamp and the second clamp having a through channel. The first clamp has a first surface, and the second clamp has a second surface. The first surface and the second surface switch between a merged state and a separated state. When the first surface and the second surface are in the merged state, at least a portion of the electrode is located between the first surface and the second surface, and a portion of the electrode is exposed through the channel. When the first surface and the second surface are in the separated state, the electrode can be removed or placed.

[0006] Optionally, when the first surface and the second surface are in the merged state, a receiving space is formed between the first clamp and the second clamp, the receiving space being used to place at least a portion of the electrode sheet, and the receiving space communicating with the channel; when the first surface and the second surface are in the separated state, the receiving space is opened.

[0007] Optionally, the first clamp and the second clamp are rotatably connected.

[0008] Optionally, when the first surface and the second surface are in the merged state, the first surface and the second surface are parallel to each other.

[0009] Optionally, the positioning component further includes an adjustment member for adjusting the relative position of the first surface and the second surface when the first surface and the second surface are in the merged state.

[0010] Optionally, the positioning component further includes: an elastic element disposed on at least one of the first surface and the second surface, the elastic element being arranged around at least a portion of the outer periphery of the channel.

[0011] Optionally, the elastic element is an annular element coaxial with the channel, and the cross-sectional shape of the annular element is rectangular.

[0012] Optionally, in the vertical direction, the first clamp is located above the second clamp, and the second surface is provided with a guide groove to guide the cleaning solvent.

[0013] Optionally, at least a portion of the outer edge of the first surface is provided with a protruding water-retaining portion.

[0014] Optionally, the positioning component further includes a limiting member, which is connected to the first clamp and the second clamp respectively when the first surface and the second surface are in the merged state to limit the position of the first surface and the second surface.

[0015] According to a second aspect of the present invention, an electrode cleaning apparatus is provided, comprising: a positioning component, wherein the positioning component is any of the positioning components described above; and a cleaning component, wherein the cleaning component is configured to output cleaning solvent and clean the electrode exposed through the channel of the positioning component.

[0016] The positioning component according to an embodiment of the present invention includes a first clamp and a second clamp, and a channel is provided on the first clamp and / or the second clamp. By the cooperation of the first clamp and the second clamp, not only can the position of the electrode be defined during the cleaning process of the electrode sheet, but also the local surface of the electrode sheet can be cleaned through the channel.

[0017] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0018] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with their description, serve to explain the principles of the invention.

[0019] Figure 1 A schematic diagram showing the distribution of a positioning component with its first and second surfaces in a separated state, provided for an embodiment of the present invention;

[0020] Figure 2 This is a partially enlarged schematic diagram of a positioning component provided in an embodiment of the present invention;

[0021] Figure 3 This is yet another partially enlarged schematic diagram of a positioning component provided in an embodiment of the present invention;

[0022] Figure 4 A partial cross-sectional view of a positioning component provided in an embodiment of the present invention;

[0023] Figure 5 A schematic diagram of a limiting member for a positioning component provided in an embodiment of the present invention;

[0024] Figure 6 A partial cross-sectional view of a positioning component provided in an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram showing the distribution of the first and second surfaces of a positioning component in a merged state, as provided in an embodiment of the present invention.

[0026] Figure label:

[0027] Positioning component 100;

[0028] First clamp 10; First surface 11; Elastic element 12; Clamping surface 13; Water-blocking part 14;

[0029] Second clamp 20; Second surface 21; Guide groove 22;

[0030] Channel 30;

[0031] 40mm pivot;

[0032] Limiting component 50; pressure block 51; elastic part 52; first cam 53; drive unit 54;

[0033] Second cam 61; Cam follower 62;

[0034] Electrode 200; Cleaning area 201; Non-cleaning area 202;

[0035] The seepage gap is 300 mm. Detailed Implementation

[0036] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0037] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0038] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0039] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0040] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0041] The positioning component 100 according to an embodiment of the present invention will now be described in detail with reference to the accompanying drawings.

[0042] like Figures 1 to 7 As shown, the positioning component 100 according to an embodiment of the present invention is used for cleaning the electrode 200. Specifically, it can limit the electrode 200 during the cleaning process.

[0043] Specifically, the positioning component 100 includes a first clamp 10 and a second clamp 20, at least one of the first clamp 10 and the second clamp 20 having a through channel 30, the first clamp 10 having a first surface 11, the second clamp 20 having a second surface 21, and the first surface 11 and the second surface 21 switching between a merged state and a separated state.

[0044] When the first surface 11 and the second surface 21 are in a combined state, at least a portion of the electrode 200 is located between the first surface 11 and the second surface 21, and a portion of the electrode 200 is exposed through the channel 30; when the first surface 11 and the second surface 21 are in a separated state, the electrode 200 can be removed or placed.

[0045] In other words, the positioning component 100 according to an embodiment of the present invention mainly consists of a first clamp 10 and a second clamp 20, wherein at least one of the first clamp 10 and the second clamp 20 has a through channel 30. That is, the first clamp 10 alone may have a through channel 30, the second clamp alone may have a through channel 30, or both the first clamp 10 and the second clamp 20 may have through channels 30. For example, the first clamp 10 is an upper clamp, and the second clamp 20 is a lower clamp, and the upper clamp and the lower clamp are respectively provided with through channels 30 extending along their own thickness direction. It should be noted that in this embodiment, the cross-sectional shape of the channel 30 may be circular, square, elongated arc, etc., and is not limited here.

[0046] The first clamp 10 has a first surface 11, and the second clamp 20 has a second surface 21. For example, the lower surface of the first clamp 10 is the first surface 11, and the upper surface of the second clamp 20 is the second surface 21. The first surface 11 and the second surface 21 switch between a combined state and a separated state. Specifically, when the first surface 11 and the second surface 21 are in the combined state, at least a portion of the electrode 200 is clamped between the first clamp 10 and the second clamp 20. The first surface 11 and the second surface 21 can serve as clamping surfaces 13, and a portion of the electrode 200 can be exposed through the channel 30, allowing cleaning solvent to be introduced into the electrode 200 through the channel 30. In other words, the portions of the first clamp 10 and the second clamp 20 other than the channel 30 can shield and protect a portion of the electrode 200, and the channel 30 allows for localized cleaning of the electrode 200.

[0047] For ease of explanation, the area on the electrode 200 can be defined as the cleaning area 201 and the non-cleaning area 202, with the channel 30 corresponding to the cleaning area 201. In this embodiment of the invention, the cooperation of the first clamp 10 and the second clamp 20 can cover and protect the surrounding dressing area of ​​the cleaning area 201 of the electrode 200, thereby ensuring that the dressing state of the non-cleaning area 202 will not be affected when the dressing of the cleaning area 201 of the electrode 200 is subsequently brushed, avoiding the phenomenon of coating dressing peeling off due to water getting into other areas of the electrode 200, and improving product quality.

[0048] Furthermore, the first clamp 10 and the second clamp 20 in this embodiment of the invention can be combined to form a sealing structure. When cleaning one electrode 200, one or more sealing structures can be used individually or simultaneously. Multiple electrodes 200 can also be cleaned simultaneously, in which case each electrode 200 can correspond to one sealing structure; for example, one sealing structure corresponds to one electrode 200, and another sealing structure corresponds to another electrode 200. For example, using two sealing structures spaced apart and arranged side-by-side, an external cleaning component can be used to clean and remove the coating material from specific areas of the two electrodes 200.

[0049] Therefore, the positioning component 100 according to the embodiment of the present invention includes a first clamp 10 and a second clamp 20, and a channel 30 is provided on the first clamp 10 and / or the second clamp 20. By cooperating with the first clamp 10 and the second clamp 20, the position of the electrode 200 can be defined during the cleaning process of the electrode 200, and the local surface of the electrode 200 can be cleaned through the channel 30.

[0050] According to one embodiment of the present invention, when the first surface 11 and the second surface 21 are in a combined state, a receiving space is enclosed between the first clamp 10 and the second clamp 20. The receiving space is used to place at least a portion of the electrode 200, and the receiving space communicates with the channel 30. When the first surface 11 and the second surface 21 are in a separated state, the receiving space is opened, thereby allowing the electrode 200 to be removed or placed. In this embodiment, by defining the receiving space, it is beneficial to protect the electrode 200 and avoid damage to the electrode 200 during clamping; moreover, the electrode 200 can be limited by the sidewalls of the receiving space.

[0051] In some specific embodiments of the present invention, the first clamp 10 and the second clamp 20 are rotatably connected, for example, the first clamp 10 and the second clamp 20 are rotatably connected via a rotating shaft 40. In this embodiment, by making the first clamp 10 and the second clamp 20 rotatably connected, the ease of operation is improved. In addition, when the electrode 200 to be cleaned is long, the clamp is designed to open and close in a rotating manner, which is beneficial for loading the clamp. For example, the length direction of the electrode 200 is the left-right direction, and the long side of the lower clamp extends in the front-back direction, for example, along the X-axis direction. The rear end of the upper clamp and the rear end of the lower clamp are rotatably connected via a rotating shaft 40, which extends in the left-right direction. When opening and closing, the drive rotates around the axial direction of the rotating shaft 40, avoiding interference with the loading of the electrode 200.

[0052] According to one embodiment of the present invention, when the first surface 11 and the second surface 21 are in a combined state, the first surface 11 and the second surface 21 are parallel to each other. For example, the lower surface of the upper clamp and the upper surface of the lower clamp are parallel to each other. This not only avoids damage to the electrode 200 due to uneven force, but also improves the uniformity of the gap between the upper clamp and the lower clamp, and prevents cleaning solvent from flowing into the gap and entering the shielded area on the electrode 200.

[0053] In some specific embodiments of the present invention, the positioning assembly 100 further includes an adjusting member (not shown in the figure), which is used to adjust the relative position of the first surface 11 and the second surface 21 when the first surface 11 and the second surface 21 are in a combined state. For example, it adjusts the parallelism between the lower surface of the upper clamp and the upper surface of the lower clamp. For example, the adjusting member has a floating function, which allows the rotating shaft 40 rotatably connected to the upper clamp to float, thereby making the clamping surfaces 13 of the upper clamp and the lower clamp adapt to be parallel, thereby eliminating the leakage gap and preventing the dressing in the non-cleaning area 202 from being contaminated by the cleaning solvent when washing the electrode 200.

[0054] Optionally, the adjusting member and the rotating shaft 40 can be integrated into one structure. For example, the rotating mechanism includes an adjusting member mounted on the lower clamp and a rotating shaft 40 connected to the adjusting member. The adjusting member has a certain floating amount, and the rotating shaft 40 is connected to the upper clamp, which can rotate around the axis of the rotating shaft 40.

[0055] In some specific embodiments of the present invention, the positioning component 100 further includes an elastic element 12, which is disposed on at least one of the first surface 11 and the second surface 21, and is arranged around at least a portion of the outer periphery of the channel 30. For example, an annular elastic element 12 is provided on the lower surface of the upper clamp, and the annular elastic element 12 is arranged around the outer periphery of the channel 30. In this embodiment, by employing the elastic element 12, the gap existing when the first clamp 10 and the second clamp 20 are attached is eliminated by utilizing the deformation of the elastic element 12, which can further improve the sealing effect of the dressing on the non-cleaning area 202 of the electrode 200, that is, it can further prevent the cleaning solvent from flowing into the covered area on the electrode 200.

[0056] Optionally, the elastic element 12 is made of polyurethane, rubber, or other materials with large elastic deformation. For example, by deforming polyurethane, the gap that exists when the upper clamp and the lower clamp are attached can be eliminated, which can further improve the sealing effect of the clamp on the dressing of the non-cleaning area 202 of the electrode 200.

[0057] According to one embodiment of the present invention, the elastic member 12 is an annular member coaxial with the channel 30, and the cross-sectional shape of the annular member is rectangular. In this embodiment, the surface of the elastic member 12 that contacts the electrode 200 is a clamping surface 13. The clamping edge of the clamping surface 13 can ensure the straightness of the edge junction of the cleaning area 201, thereby ensuring the straightness of the edge of the cleaning area 201 and improving product quality.

[0058] According to one embodiment of the present invention, in the vertical direction, the first clamp 10 is located above the second clamp 20, and a guide groove 22 is provided on the second surface 21 to guide the cleaning solvent. A water seepage gap 300 exists between the first clamp 10 and the second clamp 20, which are a sealed structure, and another water seepage gap 300 exists between the two parallel sealed structures. When cleaning the coating of a specific area of ​​the electrode 200, the guide groove 22 can guide away any cleaning solvent splashed into the water seepage gap 300, thereby preventing the cleaning solvent from contaminating the edge of the electrode 200. Furthermore, the guide groove 22 is provided on the lower second clamp 20, which can utilize the gravity of the cleaning solvent to drain it. In other words, the lower clamp is provided with a guide groove 22 for draining the cleaning solvent when washing the electrode 200 with water.

[0059] In some specific embodiments of the present invention, at least a portion of the outer edge of the first surface 11 is provided with a protruding water-blocking portion 14, which prevents the cleaning solvent from penetrating from the edge of the upper clamp to the electrode 200 when the electrode 200 is washed with water.

[0060] Optionally, a water-blocking part 14 is provided at the end of the first clamp 10 away from the rotating shaft 40. For example, the rotating shaft 40 is connected to the rear end of the first clamp 10, and the water-blocking part 14 is provided at the front end of the first clamp 10, with the water-blocking part 14 protruding from the first surface 11. It should be noted that, due to the influence of liquid adhesion, the cleaning solvent splashed into the seepage gap 300 tends to adhere to the end face of the upper clamp away from the rotating shaft 40 and move, thus making it difficult to fall into the guide groove 22. At this time, the water-blocking part 14 can prevent the cleaning solvent from adhering to the end face of the upper clamp and flowing to the edge of the electrode 200. At the same time, the water-blocking part 14 will guide the cleaning solvent into the guide groove 22, thereby further preventing the cleaning solvent from contaminating the edge of the electrode 200.

[0061] According to one embodiment of the present invention, the positioning assembly 100 further includes a limiting member 50. When the first surface 11 and the second surface 21 are in a merged state, the limiting member 50 is connected to the first clamp 10 and the second clamp 20 respectively to limit the position of the first surface 11 and the second surface 21. That is, during the cleaning process, the position of the first clamp 10 and the second clamp 20 can be locked by the limiting member 50. For example, the limiting member 50 has a clamping function. While the limiting member 50 clamps the upper clamp, the adjusting member with a floating function causes the rotating shaft 40, which is rotatably connected to the upper clamp, to float. This allows the clamping surfaces 13 of the upper and lower clamps to be adapted to be parallel under the combined action of the adjusting member and the limiting member 50, thereby eliminating water leakage gaps and preventing the dressing in the non-cleaning area 202 from being contaminated by the cleaning solvent when washing the electrode sheet 200.

[0062] Optionally, the limiting member 50 includes a pressure block 51, an elastic part 52, and a first cam 53. For example, under the action of the elastic part 52, the pressure block 51 presses against the upper clamp, causing the upper clamp to press tightly against the lower clamp. The operation drive unit 54 drives the first cam 53 to push the pressure block 51, thereby releasing the pressure block 51 from pressing against the upper clamp. In this embodiment, the elastic part 52 can be, but is not limited to, a spring; the drive unit 54 can be, but is not limited to, a cylinder.

[0063] Optionally, the positioning assembly 100 further includes a second cam 61 and a cam follower 62 connected to the first clamp 10, such as a cam follower 62 connected to the upper clamp. By operating the second cam 61 to push the cam follower 62, the upper clamp can be rotated around the rotating mechanism to open or close, which is beneficial for completing the loading and unloading of the electrode sheet 200. The second cam 61 can drive the pushing cam follower 62 through a pneumatic component.

[0064] The working principle of the positioning component 100 of this invention will be explained below with reference to specific embodiments.

[0065] In one embodiment of the present invention, firstly, the electrode 200 is placed on the lower clamp, and the cleaning area 201 on the reverse side of the electrode 200 is aligned with the channel 30 of the lower clamp. Then, the upper clamp is rotated around the pivot 40 to press the front side of the electrode 200, and the cleaning area 201 on the front side of the electrode 200 is aligned with the channel 30 of the upper clamp. Subsequently, the upper clamp is secured by the limiting member 50, thereby fixing the position between the upper and lower clamps.

[0066] In another embodiment of the present invention, the electrode 200 is first placed on the lower clamp, and the cleaning area 201 on the reverse side of the electrode 200 is aligned with the channel 30 of the lower clamp. Then, the upper clamp is rotated around the axis of the rotating shaft 40 to press the front side of the electrode 200, and the cleaning area 201 on the front side of the electrode 200 is aligned with the channel 30 of the upper clamp. Subsequently, the upper clamp is secured by the limiting member 50, so that the positions of the upper and lower clamps are fixed. It should be noted that while the limiting member 50 is securing the upper clamp, the adjusting member causes the rotating shaft 40, which is rotatably connected to the upper clamp, to float, so that the clamping surfaces 13 of the upper and lower clamps can be adapted to be parallel under the cooperation of the adjusting member and the limiting member 50, thereby eliminating water leakage gaps and preventing the dressing in the non-cleaning area 202 from being contaminated by cleaning solvent when washing the electrode 200.

[0067] The present invention also provides an electrode cleaning device 200, comprising: a positioning component 100 and a cleaning component.

[0068] Specifically, the positioning component 100 is the positioning component 100 of any of the above embodiments, and the cleaning component is used to output cleaning solvent and clean the electrode 200 exposed through the channel 30 of the positioning component 100. For example, both the upper and lower clamps are provided with channels 30 for exposing a portion of the electrode 200. The channels 30 are correspondingly arranged with the external cleaning component, driving the external cleaning component to clean and remove the coating material in a specific area of ​​the electrode 200.

[0069] In summary, the electrode 200 cleaning apparatus according to the embodiments of the present invention can cover the surrounding dressing area of ​​the cleaning area 201 of the electrode 200, thereby ensuring that the dressing status of the non-cleaning area 202 will not be affected when the dressing of the cleaning area 201 of the electrode 200 is subsequently brushed.

[0070] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A positioning component, characterized in that, The positioning component is used for electrode cleaning, and the positioning component includes: A first clamp and a second clamp, at least one of the first clamp and the second clamp having a through channel, the first clamp having a first surface and the second clamp having a second surface, the first surface and the second surface switching between a merged state and a separated state; Wherein, when the first surface and the second surface are in the merged state, at least a portion of the electrode is located between the first surface and the second surface, and a portion of the electrode is exposed through the channel; When the first surface and the second surface are in the separated state, the electrode can be removed or placed; In the vertical direction, the first clamp is located above the second clamp, and a guide groove is provided on the second surface. The first clamp and the second clamp can be combined into a sealing structure. There is a water seepage gap between the first clamp and the second clamp combined into the sealing structure. The guide groove can guide away the cleaning solvent splashed into the water seepage gap to prevent the cleaning solvent from contaminating the edge of the electrode.

2. The positioning component according to claim 1, characterized in that, When the first surface and the second surface are in the merged state, a receiving space is enclosed between the first clamp and the second clamp. The receiving space is used to place at least a portion of the electrode sheet, and the receiving space is in communication with the channel. When the first surface and the second surface are in the separated state, the receiving space is opened.

3. The positioning component according to claim 1, characterized in that, The first clamp is rotatably connected to the second clamp.

4. The positioning component according to claim 1, characterized in that, When the first surface and the second surface are in the merged state, the first surface and the second surface are parallel to each other.

5. The positioning component according to any one of claims 1 to 4, characterized in that, Also includes: An adjusting member is used to adjust the relative position of the first surface and the second surface when the first surface and the second surface are in the merged state.

6. The positioning component according to claim 1, characterized in that, Also includes: An elastic element is disposed on at least one of the first surface and the second surface, and the elastic element is circumferentially disposed on at least a portion of the outer periphery of the channel.

7. The positioning component according to claim 6, characterized in that, The elastic element is a ring-shaped element coaxial with the channel, and the cross-sectional shape of the ring-shaped element is rectangular.

8. The positioning component according to claim 1, characterized in that, At least a portion of the outer edge of the first surface is provided with a protruding water-retaining portion.

9. The positioning component according to claim 1, characterized in that, Also includes: The limiting member is connected to the first clamp and the second clamp respectively when the first surface and the second surface are in the merged state to limit the position of the first surface and the second surface.

10. An electrode cleaning device, characterized in that, include: A positioning component, wherein the positioning component is the positioning component according to any one of claims 1-9; A cleaning assembly for dispensing cleaning solvent and cleaning the electrode exposed through the channel of the positioning assembly.

Images