Lithium battery compression roller cleaning device

Abstract

The utility model provides a lithium battery press roll cleaning device which comprises a machine frame, a rolling mechanism and a cleaning mechanism, the rolling mechanism and the cleaning mechanism are erected on the machine frame, the rolling mechanism comprises a press roll, the press roll is connected with the machine frame, the cleaning mechanism comprises a sponge roll and a spraying assembly which are connected, the spraying assembly is used for spraying the sponge roll, and the sponge roll is arranged on the machine frame. The roller surface of the sponge roller abuts against the roller surface of the pressing roller. Compared with a traditional roller surface cleaning device, the lithium battery compression roller cleaning device has the advantages that the spraying assembly is additionally arranged, so that the sponge roller integrates the roller surface impurity cleaning function and the roller surface wetting function in the working process, and the effect is better. In addition, the mode that the sponge roller is used for cleaning the surface of the pressing roller is adopted, compared with the previous mode that cleaning is conducted through a scraper, damage to the surface of the pressing roller is smaller, and the situation that the surface of the pressing roller is scraped is avoided; and in addition, the condition of frequent cleaning or scraper replacement is avoided, and the later maintenance cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery manufacturing equipment, in particular to a lithium battery pressure roller cleaning device. Background Art

[0002] In lithium battery manufacturing technology, in order to make the material coated on the pole piece more compact, ensure the pole piece surface is smooth and flat, prevent the burrs on the coating surface from piercing the diaphragm and causing a short circuit, and improve the energy density of the battery and ensure the consistency of thickness, it is usually necessary to roll the pole piece with positive and negative electrode materials attached. During the rolling process, the slurry or other foreign matter such as dust on the pole piece may adhere to the roller and gradually accumulate. Over time, these slurries and other foreign matter will stick to the roller after drying and become difficult to clean, which will affect the quality of the product. Therefore, it is necessary to clean the foreign matter on the roller in real time.

[0003] For example, Chinese patent CN214600535U discloses an automatic roller wiping device for lithium battery rolling rollers, which mainly achieves the effect of cleaning foreign matter on the roller surface by respectively setting a wiping mechanism and a scraper mechanism on both sides of the rolling roller, and then using the scraper of the scraper mechanism to scrape foreign matter off the outer surface of the rolling roller, and then using the wiping mechanism to wipe the outer surface of the rolling roller. The above method can certainly achieve the cleaning effect on the roller surface, but it is also prone to the following problems:

[0004] 1. The scraper is prone to wear, resulting in incomplete contact between the scraper and the roller surface and uneven scraper cleaning;

[0005] 2. It is easy for the scraper to scratch the surface of the roller;

[0006] 3. Impurities on the scraper will accumulate over time, and manual intervention and shutdown are often required to clean the impurities on the scraper;

[0007] 4. Impurities and paint accumulated on the scraper can easily fall onto the surface of the electrode, causing contamination of the electrode.

[0008] Based on the various problems that are prone to occur when using a scraper to clean the pressure roller, it is necessary to improve the existing technology and provide a lithium battery pressure roller cleaning device that has less damage to the pressure roller surface and better cleaning effect. Utility Model Content

[0009] In view of the deficiencies in the prior art, the utility model provides a lithium battery pressure roller cleaning device with a reasonable structure and better cleaning effect.

[0010] In order to solve the above technical problems, the technical solution used in the utility model is: a lithium battery roller cleaning device, including a frame, and a rolling mechanism and a cleaning mechanism mounted on the frame, the rolling mechanism including a pressure roller, the pressure roller is connected to the frame, the cleaning mechanism includes a connected sponge roller and a spray assembly, the spray assembly is used to spray the sponge roller, and the roller surface of the sponge roller is in contact with the roller surface of the pressure roller.

[0011] Preferably, the rolling mechanism also includes a connected active roller and a driving assembly, the driving assembly is arranged on the frame, the active roller is mounted on the frame, the driving assembly can drive the active roller to rotate relative to the frame, and there is a gap between the active roller and the pressure roller for conveying the pole piece.

[0012] Preferably, the driving assembly includes a driving source, a driving wheel and a driven wheel, and the driving source, the driving wheel and the driven wheel are connected in sequence. The driving source can drive the driven wheel to rotate through the driving wheel. The driven wheel is also connected to the driving roller, and the driven wheel can drive the driving roller to rotate.

[0013] Preferably, the rolling mechanism includes an active roller and a driving assembly, and also includes a fixed seat arranged on the frame, the pressing roller is connected to the frame via the fixed seat, and a lifting assembly is also provided on the fixed seat, the pressing roller is connected to the lifting assembly, and the lifting assembly can control the pressing roller to approach or move away from the active roller.

[0014] Preferably, the lifting assembly includes a sliding rod and a lifting platform, the lifting platform is slidably connected to the sliding rod, both ends of the pressure roller are respectively connected to the lifting platform, and the lifting platform can control the pressure roller to approach or move away from the active roller.

[0015] Preferably, a support plate is further provided on one end of the fixed seat, the support plate, the fixed seat and the frame are connected in sequence, both ends of the sponge roller are connected to the support plate, a damping block is provided on the support plate, and the sponge roller is fixed to the support plate through the damping block.

[0016] Preferably, a support plate is further provided at one end of the fixing seat, the sponge roller is rotatably connected to the support plate, the roller surface of the sponge roller abuts against the roller surface of the pressure roller, and the sponge roller can be driven to rotate when the pressure roller rotates.

[0017] Preferably, a support plate is further provided on one end of the fixed seat, a fixed block is provided on one side of the support plate, and the fixed block is protruding outward relative to the support plate. The spray assembly includes a spray pipe, and both ends of the spray pipe are respectively fixed on the fixed block. The spray pipe is arranged at intervals on one side of the sponge roller.

[0018] Preferably, the interval between the spray pipe and the sponge roller is 4-6 cm.

[0019] Preferably, a spray hole is provided on a side of the spray pipe facing the sponge roller, and there are a plurality of the spray holes, which are arranged at intervals.

[0020] The beneficial effects of the utility model are mainly reflected in: the lithium battery roller cleaning device provided by the utility model is different from the traditional roller surface cleaning device in that, by adding a spray component, the sponge roller integrates the roller surface impurity cleaning and roller surface wetting functions in the working process, and the effect is better. And the method of using the sponge roller to clean the roller surface causes less damage to the roller surface than the previous method of cleaning with a scraper, and the roller surface will not be scratched; and it also avoids the situation of frequent cleaning or replacement of the scraper, and the later maintenance cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and other purposes, features and advantages of the present invention will become more apparent through a more specific description of the preferred embodiments of the present invention shown in the accompanying drawings. The same reference numerals in all the accompanying drawings indicate the same parts, and the drawings are not intentionally scaled to the actual size, but the focus is on illustrating the subject matter of the present invention.

[0022] Figure 1 This is a schematic diagram of a lithium battery roller cleaning device from a first perspective in the utility model;

[0023] Figure 2 This is a schematic diagram of a second viewing angle of the lithium battery roller cleaning device in the utility model;

[0024] Figure 3 for Figure 2 A partial enlarged schematic diagram of part A;

[0025] In the figure: frame 1, pressure roller 10, sponge roller 11, spray assembly 12, spray pipe 121, spray hole 122, active roller 13, driving assembly 14, active wheel 141, driven wheel 142, fixed seat 15, lifting assembly 16, sliding rod 161, lifting platform 162, support plate 17, damping block 18, fixed block 19. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0027] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to another element and integrated therewith, or there may be an intermediate element at the same time. The terms "installed", "one end", "the other end" and similar expressions used herein are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art. The terms used in the specification herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] refer to Figure 1-3 The utility model provides a cleaning device for a lithium battery pressure roller 10, comprising a frame 1, and a rolling mechanism and a cleaning mechanism mounted on the frame 1, wherein the rolling mechanism comprises a pressure roller 10, and the pressure roller 10 is connected to the frame 1, and the cleaning mechanism comprises a sponge roller 11 and a spray assembly 12 connected thereto, and the spray assembly 12 is used for spraying the sponge roller 11, and the roller surface of the sponge roller 11 abuts against the roller surface of the pressure roller 10.

[0030] Specifically, during the use of the pressure roller 10, its surface is often contaminated with the slurry on the substrate. If the slurry dries and solidifies and remains on the surface of the pressure roller 10, it will become difficult to clean. Therefore, the roller surface of the sponge roller 11 is in contact with the roller surface of the pressure roller 10, so that the pressure roller 10 is always in contact with the sponge roller 11 during the rotation process to generate friction, so as to clean up the foreign matter remaining on the surface of the pressure roller 10. In addition, the sponge roller 11 is sprayed by the spray component 12 to keep the surface of the sponge roller 11 moist. Since the pressure roller 10 is always in contact with the sponge roller 11 during the working process, the sponge roller 11 can also keep the surface of the pressure roller 10 moist, which can prevent foreign matter from adhering to the surface of the pressure roller 10 after drying and solidifying, and makes it easier for the sponge roller 11 to clean the pressure roller 10. Compared with the previous method of using a scraper to clean the pressure roller 10, the use of the sponge roller 11 can, on the one hand, avoid scratching the surface of the pressure roller 10; on the other hand, by utilizing the water absorption property of the sponge, the sponge roller 11 can keep the surface of the pressure roller 10 moist while cleaning the pressure roller 10, thereby preventing oxidation and crystallization of the surface of the pressure roller 10.

[0031] refer to Figure 1-3In a preferred embodiment, the rolling mechanism further includes a connected active roller 13 and a driving assembly 14, the driving assembly 14 is arranged on the frame 1, the active roller 13 is mounted on the frame 1, the driving assembly 14 can drive the active roller 13 to rotate relative to the frame 1, and there is a gap between the active roller 13 and the pressure roller 10 for the pole piece to be transported. In this embodiment, the pole piece to be rolled can be placed in the gap between the active roller 13 and the pressure roller 10, the active roller 13 and the pressure roller 10 jointly clamp the pole piece, and then the driving assembly 14 drives the active roller 13 to rotate, and the active roller 13 rotates while driving the pressure roller 10 to rotate, so as to cooperate to complete the transportation of the pole piece.

[0032] refer to Figure 1-3 In a preferred embodiment, the driving assembly 14 includes a driving source (not shown), a driving wheel 141 and a driven wheel 142. The driving source, the driving wheel 141 and the driven wheel 142 are connected in sequence. The driving source can drive the driven wheel 142 to rotate through the driving wheel 141. The driven wheel 142 is also connected to the driving roller 13, and the driven wheel 142 can drive the driving roller 13 to rotate. The driving source first transmits power to the driving wheel 141, and then the driving wheel 141 transmits power to the driven wheel 142, and then transmits power to the driving roller 13. In this way, the power speed of the driving source can be further reduced, so that the driving roller 13 can rotate at a more uniform speed and with better stability.

[0033] refer to Figure 1-3 In a preferred embodiment, the rolling mechanism includes an active roller 13 and a driving assembly 14, and also includes a fixed seat 15 arranged on the frame 1. The pressure roller 10 is connected to the frame 1 through the fixed seat 15. The driving assembly 14 can drive the pressure roller 10 to rotate through the active roller 13. A lifting assembly 16 is also provided on the fixed seat 15. The pressure roller 10 is connected to the lifting assembly 16. The lifting assembly 16 can control the pressure roller 10 to approach or move away from the active roller 13.

[0034] refer to Figure 1-3 Specifically, when the pressure roller 10 and the active roller 13 jointly compress and convey the electrode piece, the roller surface of the pressure roller 10 will contact the roller surface of the active roller 13, thereby clamping the substrate. Therefore, the rotation of the active roller 13 will drive the pressure roller 10 to rotate. The lifting component 16 is mainly used to adjust the distance between the pressure roller 10 and the active roller 13, that is, the pressing state of the electrode piece can be adjusted by the lifting component 16; further, during use, the operator can adjust the lifting component 16 to make the pressure roller 10 continuously move toward the active roller 13 until the electrode piece is compressed; it can also drive the pressure roller 10 to gradually move away from the active roller 13 until the gap between the pressure roller 10 and the active roller 13 is large enough to facilitate the removal of the electrode piece.

[0035] refer to Figure 1-3In a preferred embodiment, the lifting assembly 16 includes a slide bar 161 and a lifting platform 162. The lifting platform 162 is slidably connected to the slide bar 161. Both ends of the pressure roller 10 are respectively connected to the lifting platform 162. The lifting platform 162 can control the pressure roller 10 to approach or move away from the active roller 13. Figure 2 To understand, after the pole piece is placed on the active roller 13, the position of the pressure roller 10 away from the active roller 13 is adjusted by the lifting platform 162, that is, the pressure roller 10 can be controlled to gradually move toward the direction of the active roller 13 until the roller surface of the pressure roller 10 abuts against the roller surface of the active roller 13, thereby pressing the pole piece for roller conveying; when the work is completed, the lifting platform 162 is used again to control the pressure roller 10 to move in the opposite direction of the active roller 13 until the gap between the pressure roller 10 and the active roller 13 is sufficient to take out the pole piece.

[0036] refer to Figure 1-3 In a preferred embodiment, a support plate 17 is further provided on one end of the fixed seat 15, and the support plate 17, the fixed seat 15, and the frame 1 are connected in sequence. Both ends of the sponge roller 11 are connected to the support plate 17, and a damping block 18 is provided on the support plate 17. The sponge roller 11 is fixed to the support plate 17 through the damping block 18. In this embodiment, the damping blocks 18 fixed on both sides of the sponge roller 11 can limit the sponge roller 11 from rotating with the pressure roller 10, thereby ensuring that the roller surface of the pressure roller 10 to be cleaned can be cleaned more completely. When it is used in a certain situation, the sponge roller 11 can be removed from the frame 1, and the cleaning surface of the sponge roller 11 can be replaced and then installed on the frame 1 to continue cleaning the pressure roller. In other embodiments, when the resistance generated by the sponge roller 11 cleaning the foreign matter on the surface of the pressure roller 10 is greater than the resistance provided by the damping block 18 to the sponge roller 11, the sponge roller 11 will rotate under the action of the resistance (the amplitude of this rotation is generally small), and the roller surface cleaning position of the sponge roller 11 is changed.

[0037] refer to Figure 1-3 In a preferred embodiment, a support plate 17 is further provided at one end of the fixing seat 15, and the sponge roller 11 is rotatably connected to the support plate 17, and the roller surface of the sponge roller 11 abuts against the roller surface of the pressure roller 10, and the pressure roller 10 can drive the sponge roller 11 to rotate when rotating. In this embodiment, the sponge roller 11 can also rotate with the pressure roller 10, and the roller surface of the pressure roller 10 can be cleaned during the synchronous rotation.

[0038] refer to Figure 1-3In a preferred embodiment, a support plate 17 is further provided on one end of the fixing seat 15, a fixing block 19 is provided on one side of the supporting plate 17, and the fixing block 19 is provided to protrude outward relative to the supporting plate 17. The spray assembly 12 includes a spray pipe 121, and both ends of the spray pipe 121 are respectively fixed on the fixing block 19, and the spray pipe 121 is arranged at intervals on one side of the sponge roller 11. In this embodiment, water pipe joints are provided at both ends of the spray pipe 121, and the spray pipe 121 is connected to an external water source through the water pipe joint, so as to transport water to the spray pipe 121.

[0039] refer to Figure 1-3 In a preferred embodiment, the distance between the spray pipe 121 and the sponge roller 11 is 3-6 cm. The distance between the spray pipe 121 and the sponge roller 11 can be 3 cm, 4 cm, 5 cm, or 6 cm. If the distance is too close, the surface of the sponge roller 11 will be too wet, causing water drops to fall onto the machine, causing damage to the machine; and if the distance is too far, the spray pipe 121 will not be able to spray the sponge roller 11 well, that is, the wetness of the sponge roller 11 is not enough, so that the sponge roller 11 cannot wet the roller surface of the pressure roller 10 well.

[0040] refer to Figure 1-3 In a preferred embodiment, a spray hole 122 is provided on the side of the spray pipe 121 facing the sponge roller 11, and there are multiple spray holes 122, which are arranged at intervals. In a further preferred embodiment, the spray holes 122 can be arranged so that the water droplets sprayed therefrom are in a mist shape, which can ensure that the surface of the sponge roller 11 is wetted on one hand, and on the other hand, the sprayed water droplets will not be too large to drip onto the machine equipment.

[0041] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A lithium battery roller cleaning device, characterized in that: It comprises a frame, and a rolling mechanism and a cleaning mechanism mounted on the frame, wherein the rolling mechanism comprises a pressing roller connected to the frame, and the cleaning mechanism comprises a sponge roller and a spray assembly connected to each other, wherein the spray assembly is used to spray the sponge roller, and the roller surface of the sponge roller abuts against the roller surface of the pressing roller; The rolling mechanism includes an active roller and a driving component, and also includes a fixed seat arranged on the frame, the pressing roller is connected to the frame through the fixed seat, and a lifting component is also provided on the fixed seat, the pressing roller is connected to the lifting component, and the lifting component can control the pressing roller to approach or move away from the active roller.

2. The pressure roller cleaning device according to claim 1, characterized in that: The driving assembly is arranged on the frame, the active roller is mounted on the frame, the driving assembly can drive the active roller to rotate relative to the frame, and there is a gap between the active roller and the pressure roller for conveying the pole piece.

3. The pressure roller cleaning device according to claim 2, characterized in that: The driving assembly includes a driving source, a driving wheel and a driven wheel, which are connected in sequence. The driving source can drive the driven wheel to rotate through the driving wheel. The driven wheel is also connected to the driving roller, and the driven wheel can drive the driving roller to rotate.

4. The pressure roller cleaning device according to claim 1, characterized in that: The lifting assembly includes a sliding rod and a lifting platform. The lifting platform is slidably connected to the sliding rod. Both ends of the pressure roller are respectively connected to the lifting platform. The lifting platform can control the pressure roller to approach or move away from the active roller.

5. The pressure roller cleaning device according to claim 1, characterized in that: A support plate is also provided on one end of the fixing seat, and the support plate, the fixing seat and the frame are connected in sequence, and both ends of the sponge roller are connected to the support plate. A damping block is provided on the support plate, and the sponge roller is fixed to the support plate through the damping block.

6. The pressure roller cleaning device according to claim 1, characterized in that: A support plate is also provided at one end of the fixing seat, and the sponge roller is rotatably connected to the support plate. When the pressure roller rotates, the sponge roller can be driven to rotate.

7. The pressure roller cleaning device according to claim 1, characterized in that: A support plate is also provided on one end of the fixed seat, a fixed block is provided on one side of the support plate, and the fixed block is protruded outward relative to the support plate. The spray assembly includes a spray pipe, and both ends of the spray pipe are respectively fixed on the fixed block. The spray pipe is arranged at intervals on one side of the sponge roller.

8. The pressure roller cleaning device according to claim 7, characterized in that: The interval between the spray pipe and the sponge roller is 4-6 cm.

9. The pressure roller cleaning device according to claim 7, characterized in that: The spray pipe is provided with a spray hole on one side facing the sponge roller, and there are a plurality of the spray holes, which are arranged at intervals.

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